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Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
71 118
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 121our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
79 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
82 130
83our %CFG; 131our %CFG;
84 132
85our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 134our $RUNTIME;
135our $NOW;
87 136
88our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
91 140
92# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 143
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
98 153
99binmode STDOUT; 154binmode STDOUT;
100binmode STDERR; 155binmode STDERR;
101 156
102# read virtual server time, if available 157# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
107} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
108 165
109mkdir $_ 166mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 168
112our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
113 170
114sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 187
116############################################################################# 188#############################################################################
117 189
118=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
119 191
… …
155 227
156The raw value load value from the last tick. 228The raw value load value from the last tick.
157 229
158=item %cf::CFG 230=item %cf::CFG
159 231
160Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 233from wherever your confdir points to.
162 234
163=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
164 236
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
246=item @cf::INVOKE_RESULTS
247
248This array contains the results of the last C<invoke ()> call. When
249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
250that call.
251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
169=back 258=back
170 259
171=cut 260=cut
172 261
173BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
174 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
175 my $msg = join "", @_; 269 my $msg = join "", @_;
176 270
177 $msg .= "\n" 271 $msg .= "\n"
178 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
179 273
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 275
182 utf8::encode $msg;
183 LOG llevError, $msg; 276 LOG llevWarn, $msg;
184 }; 277};
185} 278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
186 292
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 303for my $pkg (qw(
198 cf::global cf::attachable 304 cf::global cf::attachable
199 cf::object cf::object::player 305 cf::object cf::object::player
200 cf::client cf::player 306 cf::client cf::player
201 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
202 cf::map cf::party cf::region 309 cf::party cf::region
203)) { 310)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 312}
207 313
208$Event::DIED = sub { 314$EV::DIED = sub {
209 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
210}; 316};
317
318#############################################################################
211 319
212=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
213 321
214=over 4 322=over 4
215 323
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 343 $d
236 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
237} 345}
238 346
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
242 348
243Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
244 350
245=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
246 352
247Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
248 354
355=cut
356
357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
358
359sub encode_json($) { $json_coder->encode ($_[0]) }
360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
404
249=item cf::lock_wait $string 405=item cf::lock_wait $string
250 406
251Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
252 408
253=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
254 410
255Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
258returned. 414returned.
259 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
260Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
262 421
263=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
264 423
265Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
266 425
267=cut 426=cut
268 427
269our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
270 429
271sub lock_wait($) { 430sub lock_wait($) {
272 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 432}
280 433
281sub lock_acquire($) { 434sub lock_acquire($) {
282 my ($key) = @_; 435 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 436}
294 437
295sub lock_active($) { 438sub lock_active($) {
296 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 440}
300 441
301sub freeze_mainloop { 442sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
303 444
304 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 446}
447
448=item cf::periodic $interval, $cb
449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
306 }; 512 }
307 $TICK_WATCHER->stop; 513};
308 $guard 514
515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
518 my ($time, $pri, $name) = @_;
519
520 $time = clamp $time, 0.01, $TICK * .6;
521
522 my $sig = new Coro::Signal;
523
524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
526 $SLOT_QUEUE->ready;
527 $sig->wait;
309} 528}
310 529
311=item cf::async { BLOCK } 530=item cf::async { BLOCK }
312 531
313Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
… …
318 537
319BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
320 539
321=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
322 541
323The design of crossfire+ requires that the main coro ($Coro::main) is 542The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 543is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
545acceptable.
326 546
327If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 549server will be frozen during this time, so the block should either finish
330fast or be very important. 550fast or be very important.
… …
332=cut 552=cut
333 553
334sub sync_job(&) { 554sub sync_job(&) {
335 my ($job) = @_; 555 my ($job) = @_;
336 556
337 if ($Coro::current == $Coro::main) { 557 if (in_main) {
338 my $time = Event::time; 558 my $time = AE::time;
339 559
340 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
342 562
343 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 564
345 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
346 566
347 my $busy = 1; 567 my $busy = 1;
348 my @res; 568 my @res;
349 569
350 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 572 @res = eval { $job->() };
352 warn $@ if $@; 573 error $@ if $@;
353 undef $busy; 574 undef $busy;
354 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
355 576
356 while ($busy) { 577 while ($busy) {
357 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
358 } 582 }
583 }
359 584
360 $time = Event::time - $time; 585 my $time = AE::time - $time;
361 586
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
366 588
367 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
368 } else { 590 } else {
369 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
370 592
… …
390 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
391 613
392 $coro 614 $coro
393} 615}
394 616
395sub write_runtime { 617=item fork_call { }, @args
396 my $runtime = "$LOCALDIR/runtime";
397 618
398 # first touch the runtime file to show we are still running: 619Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 620process, returning the results. Everything must be serialisable with
621Coro::Storable. May, of course, block. Note that the executed sub may
622never block itself or use any form of event handling.
400 623
401 IO::AIO::aio_utime $runtime, undef, undef; 624=cut
402 625
403 my $guard = cf::lock_acquire "write_runtime"; 626sub post_fork {
627 reset_signals;
628}
404 629
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 630sub fork_call(&@) {
406 or return; 631 my ($cb, @args) = @_;
407 632
408 my $value = $cf::RUNTIME + 90 + 10; 633 # we seemingly have to make a local copy of the whole thing,
409 # 10 is the runtime save interval, for a monotonic clock 634 # otherwise perl prematurely frees the stuff :/
410 # 60 allows for the watchdog to kill the server. 635 # TODO: investigate and fix (likely this will be rather laborious)
411 636
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 637 my @res = Coro::Util::fork_eval {
413 and return; 638 cf::post_fork;
639 &$cb
640 } @args;
414 641
415 # always fsync - this file is important 642 wantarray ? @res : $res[-1]
416 aio_fsync $fh 643}
417 and return;
418 644
419 # touch it again to show we are up-to-date 645sub objinfo {
420 aio_utime $fh, undef, undef;
421
422 close $fh
423 or return;
424
425 aio_rename "$runtime~", $runtime
426 and return;
427
428 warn "runtime file written.\n";#d#
429
430 1 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
681}
682
683=item $value = cf::db_get $family => $key
684
685Returns a single value from the environment database.
686
687=item cf::db_put $family => $key => $value
688
689Stores the given C<$value> in the family. It can currently store binary
690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
718
719our $DB;
720
721sub db_init {
722 $DB ||= db_table "db";
723}
724
725sub db_get($$) {
726 my $key = "$_[0]/$_[1]";
727
728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
731 BDB::db_get $DB, undef, $key, my $data;
732
733 $! ? ()
734 : $data
735}
736
737sub db_put($$$) {
738 BDB::dbreq_pri 4;
739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
740}
741
742=item cf::cache $id => [$paths...], $processversion => $process
743
744Generic caching function that returns the value of the resource $id,
745caching and regenerating as required.
746
747This function can block.
748
749=cut
750
751sub cache {
752 my ($id, $src, $processversion, $process) = @_;
753
754 my $meta =
755 join "\x00",
756 $processversion,
757 map {
758 aio_stat $_
759 and Carp::croak "$_: $!";
760
761 ($_, (stat _)[7,9])
762 } @$src;
763
764 my $dbmeta = db_get cache => "$id/meta";
765 if ($dbmeta ne $meta) {
766 # changed, we may need to process
767
768 my @data;
769 my $md5;
770
771 for (0 .. $#$src) {
772 0 <= aio_load $src->[$_], $data[$_]
773 or Carp::croak "$src->[$_]: $!";
774 }
775
776 # if processing is expensive, check
777 # checksum first
778 if (1) {
779 $md5 =
780 join "\x00",
781 $processversion,
782 map {
783 cf::cede_to_tick;
784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
785 } 0.. $#$src;
786
787
788 my $dbmd5 = db_get cache => "$id/md5";
789 if ($dbmd5 eq $md5) {
790 db_put cache => "$id/meta", $meta;
791
792 return db_get cache => "$id/data";
793 }
794 }
795
796 my $t1 = Time::HiRes::time;
797 my $data = $process->(\@data);
798 my $t2 = Time::HiRes::time;
799
800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
801
802 db_put cache => "$id/data", $data;
803 db_put cache => "$id/md5" , $md5;
804 db_put cache => "$id/meta", $meta;
805
806 return $data;
807 }
808
809 db_get cache => "$id/data"
431} 810}
432 811
433=item cf::datalog type => key => value, ... 812=item cf::datalog type => key => value, ...
434 813
435Log a datalog packet of the given type with the given key-value pairs. 814Log a datalog packet of the given type with the given key-value pairs.
436 815
437=cut 816=cut
438 817
439sub datalog($@) { 818sub datalog($@) {
440 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442} 821}
443 822
444=back 823=back
445 824
446=cut 825=cut
447 826
448############################################################################# 827#############################################################################
449 828
450=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
451 830
452Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
455 834
456In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 837Deliantra).
459 838
460=over 4 839=over 4
461 840
462=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
463 842
… …
507=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
508 887
509Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
511 890
512Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
514 893
515These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
516 895
517=over 4 896=over 4
… …
641 1020
642 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
643 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644 1023
645 } elsif (ref $type) { 1024 } elsif (ref $type) {
646 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
647 1026
648 } else { 1027 } else {
649 shift @arg; 1028 shift @arg;
650 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
651 } 1030 }
652 } 1031 }
653} 1032}
654 1033
655sub _object_attach { 1034sub _object_attach {
… …
665 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
666 } 1045 }
667 1046
668 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
669 } else { 1048 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
671 } 1050 }
672 1051
673 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
674} 1053}
675 1054
… …
715 "; 1094 ";
716 die if $@; 1095 die if $@;
717} 1096}
718 1097
719our $override; 1098our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1099our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1100
722sub override { 1101sub override {
723 $override = 1; 1102 $override = 1;
724 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
725} 1104}
726 1105
727sub do_invoke { 1106sub do_invoke {
728 my $event = shift; 1107 my $event = shift;
729 my $callbacks = shift; 1108 my $callbacks = shift;
730 1109
731 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
732 1111
733 local $override; 1112 local $override;
734 1113
735 for (@$callbacks) { 1114 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
737 1116
738 if ($@) { 1117 if ($@) {
739 warn "$@";
740 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741 override; 1119 override;
742 } 1120 }
743 1121
744 return 1 if $override; 1122 return 1 if $override;
745 } 1123 }
746 1124
747 0 1125 0
748} 1126}
749 1127
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1129
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1131
754Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
755 1133
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1134This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1135removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1137
760=back 1138=back
761 1139
762=cut 1140=cut
763 1141
764############################################################################# 1142#############################################################################
765# object support 1143# object support
1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
1178sub _can_merge {
1179 my ($ob1, $ob2) = @_;
1180
1181 ++$SLOW_MERGES;#d#
1182
1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
1185}
766 1186
767sub reattach { 1187sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1189 my ($obj) = @_;
770 1190
1191 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1193
773 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
774 1195
775 @$registry = (); 1196 @$registry = ();
776 1197
… …
781 for (@$attach) { 1202 for (@$attach) {
782 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
783 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
784 } 1205 }
785 } else { 1206 } else {
786 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
787 } 1208 }
788 } 1209 }
789} 1210}
790 1211
791cf::attachable->attach ( 1212cf::attachable->attach (
792 prio => -1000000, 1213 prio => -1000000,
793 on_instantiate => sub { 1214 on_instantiate => sub {
794 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
795 1216
796 $data = from_json $data; 1217 $data = decode_json $data;
797 1218
798 for (@$data) { 1219 for (@$data) {
799 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
800 1221
801 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1238sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
819 1240
820 sync_job { 1241 sync_job {
821 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
824 1247
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
829 close $fh; 1255 aio_close $fh;
830 1256
831 if (@$objs) { 1257 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
837 close $fh; 1266 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
839 } 1268 }
840 } else { 1269 } else {
841 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
842 } 1271 }
843 1272
844 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1277 } else {
846 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
847 } 1279 }
848 } else { 1280 } else {
849 aio_unlink $filename; 1281 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
851 } 1283 }
852 } 1284 };
853} 1285}
854 1286
855sub object_freezer_as_string { 1287sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
857 1289
… …
869 or return; 1301 or return;
870 1302
871 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
873 or return; 1305 or return;
1306
874 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
875 } 1309 }
876 1310
1311 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []};#d# 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
879 return ($data, $av); 1316 ($data, $av)
880} 1317}
1318
1319=head2 COMMAND CALLBACKS
1320
1321=over 4
1322
1323=cut
881 1324
882############################################################################# 1325#############################################################################
883# command handling &c 1326# command handling &c
884 1327
885=item cf::register_command $name => \&callback($ob,$args); 1328=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1341 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1342}
900 1343
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1344=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1345
903Register a callbackf ro execution when the client sends an extcmd packet. 1346Register a callback for execution when the client sends an (synchronous)
1347extcmd packet. Ext commands will be processed in the order they are
1348received by the server, like other user commands. The first argument is
1349the logged-in player. Ext commands can only be processed after a player
1350has logged in successfully.
904 1351
905If the callback returns something, it is sent back as if reply was being 1352If the callback returns something, it is sent back as if reply was being
906called. 1353called.
907 1354
1355=item cf::register_exticmd $name => \&callback($ns,$packet);
1356
1357Register a callback for execution when the client sends an (asynchronous)
1358exticmd packet. Exti commands are processed by the server as soon as they
1359are received, i.e. out of order w.r.t. other commands. The first argument
1360is a client socket. Exti commands can be received anytime, even before
1361log-in.
1362
1363If the callback returns something, it is sent back as if reply was being
1364called.
1365
908=cut 1366=cut
909 1367
910sub register_extcmd { 1368sub register_extcmd {
911 my ($name, $cb) = @_; 1369 my ($name, $cb) = @_;
912 1370
913 $EXTCMD{$name} = $cb; 1371 $EXTCMD{$name} = $cb;
914} 1372}
915 1373
1374sub register_exticmd {
1375 my ($name, $cb) = @_;
1376
1377 $EXTICMD{$name} = $cb;
1378}
1379
1380use File::Glob ();
1381
916cf::player->attach ( 1382cf::player->attach (
917 on_command => sub { 1383 on_unknown_command => sub {
918 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
919 1385
920 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
921 or return; 1387 or return;
922 1388
… …
927 cf::override; 1393 cf::override;
928 }, 1394 },
929 on_extcmd => sub { 1395 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
931 1397
932 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1399
934 if (ref $msg) { 1400 if (ref $msg) {
1401 my ($type, $reply, @payload) =
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405
1406 my @reply;
1407
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
940 } else { 1415 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1417 }
943 1418
944 cf::override; 1419 cf::override;
945 }, 1420 },
946); 1421);
947 1422
1423# "readahead" all extensions
948sub load_extension { 1424sub cache_extensions {
949 my ($path) = @_; 1425 my $grp = IO::AIO::aio_group;
950 1426
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1428 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 } 1430 }
976 die $@;
977 } 1431 };
978 1432
979 push @EXTS, $pkg; 1433 $grp
980} 1434}
981 1435
982sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1439 cf::sync_job {
1440 my %todo;
1441
983 for my $ext (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1443 next unless -r $path;
985 eval { 1444
986 load_extension $ext; 1445 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1446 my $base = $1;
1447 my $pkg = $1;
1448 $pkg =~ s/[^[:word:]]/_/g;
1449 $pkg = "ext::$pkg";
1450
1451 open my $fh, "<:utf8", $path
1452 or die "$path: $!";
1453
1454 my $source = do { local $/; <$fh> };
1455
1456 my %ext = (
1457 path => $path,
1458 base => $base,
1459 pkg => $pkg,
1460 );
1461
1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1464
1465 $ext{source} =
1466 "package $pkg; use common::sense;\n"
1467 . "#line 1 \"$path\"\n{\n"
1468 . $source
1469 . "\n};\n1";
1470
1471 $todo{$base} = \%ext;
1472 }
1473
1474 my $pass = 0;
1475 my %done;
1476 while (%todo) {
1477 my $progress;
1478
1479 ++$pass;
1480
1481 ext:
1482 while (my ($k, $v) = each %todo) {
1483 for (split /,\s*/, $v->{meta}{depends}) {
1484 next ext
1485 unless exists $done{$_};
1486 }
1487
1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1489
1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1493 error "$v->{path}: $@\n";
1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1496 if exists $v->{meta}{mandatory};
1497
1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1499 delete $todo{$k};
1500 } else {
1501 $done{$k} = delete $todo{$k};
1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1507 }
987 1 1508 }
988 } or warn "$ext not loaded: $@"; 1509
1510 unless ($progress) {
1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1518 }
989 } 1519 };
990} 1520}
991 1521
992############################################################################# 1522#############################################################################
993 1523
1524=back
1525
994=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
995 1527
996Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
997 1529
998=cut 1530=cut
999 1531
1000package cf::player; 1532package cf::player;
1001 1533
1002use Coro::AIO; 1534use Coro::AIO;
1003 1535
1004=head3 cf::player 1536=head3 cf::player
1005 1537
1006=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
1007 1553
1008=item cf::player::find $login 1554=item cf::player::find $login
1009 1555
1010Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1011 1557
… …
1030 1576
1031sub exists($) { 1577sub exists($) {
1032 my ($login) = @_; 1578 my ($login) = @_;
1033 1579
1034 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1036} 1582}
1037 1583
1038sub find($) { 1584sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1586 my $login = $_[0];
… …
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1597
1052 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1055 } 1607 }
1056 } 1608 }
1057} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1058 1623
1059sub save($) { 1624sub save($) {
1060 my ($pl) = @_; 1625 my ($pl) = @_;
1061 1626
1062 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
… …
1067 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1068 1633
1069 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1071 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1072 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1073 Coro::cede; 1643 cf::cede_to_tick;
1074} 1644}
1075 1645
1076sub new($) { 1646sub new($) {
1077 my ($login) = @_; 1647 my ($login) = @_;
1078 1648
… …
1084 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1085 1655
1086 $self 1656 $self
1087} 1657}
1088 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1089=item $pl->quit_character 1669=item $pl->quit_character
1090 1670
1091Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1093 1673
… …
1097 my ($pl) = @_; 1677 my ($pl) = @_;
1098 1678
1099 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1100 1680
1101 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1683
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1107 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1108 1692
1109 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1111 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
… …
1146 or return []; 1730 or return [];
1147 1731
1148 my @logins; 1732 my @logins;
1149 1733
1150 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1154 1744
1155 utf8::decode $login; 1745 utf8::decode $login;
1156 push @logins, $login; 1746 push @logins, $login;
1157 } 1747 }
1158 1748
1159 \@logins 1749 \@logins
1160} 1750}
1161 1751
1162=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1163 1755
1164Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1165player. May block. 1757player. May block.
1166 1758
1167=cut 1759=cut
… …
1185 } 1777 }
1186 1778
1187 \@paths 1779 \@paths
1188} 1780}
1189 1781
1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1783
1784Expand deliantra pod fragments into protocol xml.
1785
1190=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1191 1787
1192Sends an ext reply to the player. 1788Sends an ext reply to the player.
1193 1789
1194=cut 1790=cut
1195 1791
1196sub ext_reply($$%) { 1792sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1198 1794
1199 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1796}
1203 1797
1204=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1205 1799
1206Sends an ext event to the client. 1800Sends an ext event to the client.
1207 1801
1208=cut 1802=cut
1209 1803
1210sub ext_event($$%) { 1804sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1212 1806
1213 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1214} 1808}
1215 1809
1216=head3 cf::region 1810=head3 cf::region
1217 1811
1218=over 4 1812=over 4
… …
1221 1815
1222package cf::region; 1816package cf::region;
1223 1817
1224=item cf::region::find_by_path $path 1818=item cf::region::find_by_path $path
1225 1819
1226Tries to decuce the probable region for a map knowing only its path. 1820Tries to decuce the likely region for a map knowing only its path.
1227 1821
1228=cut 1822=cut
1229 1823
1230sub find_by_path($) { 1824sub find_by_path($) {
1231 my ($path) = @_; 1825 my ($path) = @_;
1232 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1233 my ($match, $specificity); 1829 my ($match, $specificity);
1234 1830
1235 for my $region (list) { 1831 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1239 } 1835 }
1240 } 1836 }
1241 1837
… …
1262our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1264 1860
1265sub generate_random_map { 1861sub generate_random_map {
1266 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1267 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1867 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp,
1869 $rmp->{wall_name}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1870 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1871 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1272 $rmp->{exit_on_final_map}, 1872 $rmp->{exit_on_final_map},
1273 $rmp->{xsize}, $rmp->{ysize}, 1873 $rmp->{xsize}, $rmp->{ysize},
1274 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1874 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1875 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1876 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1877 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1878 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279 (cf::region::find $rmp->{region}), $rmp->{custom} 1879 (cf::region::find $rmp->{region})
1280 ) 1880 )
1281} 1881}
1282 1882
1283=item cf::map->register ($regex, $prio) 1883=item cf::map->register ($regex, $prio)
1284 1884
… …
1290 1890
1291sub register { 1891sub register {
1292 my (undef, $regex, $prio) = @_; 1892 my (undef, $regex, $prio) = @_;
1293 my $pkg = caller; 1893 my $pkg = caller;
1294 1894
1295 no strict;
1296 push @{"$pkg\::ISA"}, __PACKAGE__; 1895 push @{"$pkg\::ISA"}, __PACKAGE__;
1297 1896
1298 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1897 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299} 1898}
1300 1899
1301# also paths starting with '/' 1900# also paths starting with '/'
1302$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1901$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303 1902
1304sub thawer_merge { 1903sub thawer_merge {
1305 my ($self, $merge) = @_; 1904 my ($self, $merge) = @_;
1306 1905
1307 # we have to keep some variables in memory intact 1906 # we have to keep some variables in memory intact
1308 local $self->{path}; 1907 local $self->{path};
1309 local $self->{load_path}; 1908 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312 1909
1313 $self->SUPER::thawer_merge ($merge); 1910 $self->SUPER::thawer_merge ($merge);
1314} 1911}
1315 1912
1316sub normalise { 1913sub normalise {
1317 my ($path, $base) = @_; 1914 my ($path, $base) = @_;
1318 1915
1319 $path = "$path"; # make sure its a string 1916 $path = "$path"; # make sure it's a string
1320 1917
1321 $path =~ s/\.map$//; 1918 $path =~ s/\.map$//;
1322 1919
1323 # map plan: 1920 # map plan:
1324 # 1921 #
… …
1339 $base =~ s{[^/]+/?$}{}; 1936 $base =~ s{[^/]+/?$}{};
1340 $path = "$base/$path"; 1937 $path = "$base/$path";
1341 } 1938 }
1342 1939
1343 for ($path) { 1940 for ($path) {
1344 redo if s{//}{/};
1345 redo if s{/\.?/}{/}; 1941 redo if s{/\.?/}{/};
1346 redo if s{/[^/]+/\.\./}{/}; 1942 redo if s{/[^/]+/\.\./}{/};
1347 } 1943 }
1348 1944
1349 $path 1945 $path
… …
1363 $self->init; # pass $1 etc. 1959 $self->init; # pass $1 etc.
1364 return $self; 1960 return $self;
1365 } 1961 }
1366 } 1962 }
1367 1963
1368 Carp::carp "unable to resolve path '$path' (base '$base')."; 1964 Carp::cluck "unable to resolve path '$path' (base '$base')";
1369 () 1965 ()
1370} 1966}
1371 1967
1372sub init { 1968sub init {
1373 my ($self) = @_; 1969 my ($self) = @_;
… …
1395 1991
1396# the temporary/swap location 1992# the temporary/swap location
1397sub save_path { 1993sub save_path {
1398 my ($self) = @_; 1994 my ($self) = @_;
1399 1995
1400 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1996 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401 "$TMPDIR/$path.map" 1997 "$TMPDIR/$path.map"
1402} 1998}
1403 1999
1404# the unique path, undef == no special unique path 2000# the unique path, undef == no special unique path
1405sub uniq_path { 2001sub uniq_path {
1406 my ($self) = @_; 2002 my ($self) = @_;
1407 2003
1408 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2004 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409 "$UNIQUEDIR/$path" 2005 "$UNIQUEDIR/$path"
1410} 2006}
1411 2007
1412# and all this just because we cannot iterate over 2008sub decay_objects {
1413# all maps in C++...
1414sub change_all_map_light {
1415 my ($change) = @_; 2009 my ($self) = @_;
1416 2010
1417 $_->change_map_light ($change) 2011 return if $self->{deny_reset};
1418 for grep $_->outdoor, values %cf::MAP; 2012
2013 $self->do_decay_objects;
1419} 2014}
1420 2015
1421sub unlink_save { 2016sub unlink_save {
1422 my ($self) = @_; 2017 my ($self) = @_;
1423 2018
… …
1428 2023
1429sub load_header_from($) { 2024sub load_header_from($) {
1430 my ($self, $path) = @_; 2025 my ($self, $path) = @_;
1431 2026
1432 utf8::encode $path; 2027 utf8::encode $path;
1433 #aio_open $path, O_RDONLY, 0 2028 my $f = new_from_file cf::object::thawer $path
1434 # or return;
1435
1436 $self->_load_header ($path)
1437 or return; 2029 or return;
2030
2031 $self->_load_header ($f)
2032 or return;
2033
2034 local $MAP_LOADING{$self->{path}} = $self;
2035 $f->resolve_delayed_derefs;
1438 2036
1439 $self->{load_path} = $path; 2037 $self->{load_path} = $path;
1440 2038
1441 1 2039 1
1442} 2040}
… …
1481 $self->load_header_orig 2079 $self->load_header_orig
1482 or return; 2080 or return;
1483 $self->prepare_orig; 2081 $self->prepare_orig;
1484 } 2082 }
1485 2083
2084 $self->{deny_reset} = 1
2085 if $self->no_reset;
2086
1486 $self->default_region (cf::region::find_by_path $self->{path}) 2087 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region; 2088 unless $self->default_region;
1488 2089
1489 1 2090 1
1490} 2091}
1491 2092
1492sub find; 2093sub find;
1493sub find { 2094sub find {
1494 my ($path, $origin) = @_; 2095 my ($path, $origin) = @_;
1495 2096
2097 cf::cede_to_tick;
2098
1496 $path = normalise $path, $origin && $origin->path; 2099 $path = normalise $path, $origin && $origin->path;
1497 2100
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498 cf::lock_wait "map_find:$path"; 2102 my $guard2 = cf::lock_acquire "map_find:$path";
1499 2103
1500 $cf::MAP{$path} || do { 2104 $cf::MAP{$path} || do {
1501 my $guard = cf::lock_acquire "map_find:$path";
1502 my $map = new_from_path cf::map $path 2105 my $map = new_from_path cf::map $path
1503 or return; 2106 or return;
1504 2107
1505 $map->{last_save} = $cf::RUNTIME; 2108 $map->{last_save} = $cf::RUNTIME;
1506 2109
1507 $map->load_header 2110 $map->load_header
1508 or return; 2111 or return;
1509 2112
1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2113 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously 2114 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait; 2115 #$cf::WAIT_FOR_TICK->wait;
2116 undef $guard2;
2117 undef $guard1;
1513 $map->reset; 2118 $map->reset;
1514 undef $guard;
1515 return find $path; 2119 return find $path;
1516 } 2120 }
1517 2121
1518 $cf::MAP{$path} = $map 2122 $cf::MAP{$path} = $map
1519 } 2123 }
1520} 2124}
1521 2125
1522sub pre_load { } 2126sub pre_load { }
1523sub post_load { } 2127#sub post_load { } # XS
1524 2128
1525sub load { 2129sub load {
1526 my ($self) = @_; 2130 my ($self) = @_;
1527 2131
1528 local $self->{deny_reset} = 1; # loading can take a long time 2132 local $self->{deny_reset} = 1; # loading can take a long time
1529 2133
1530 my $path = $self->{path}; 2134 my $path = $self->{path};
1531 2135
1532 { 2136 {
1533 my $guard = cf::lock_acquire "map_load:$path"; 2137 my $guard = cf::lock_acquire "map_data:$path";
1534 2138
2139 return unless $self->valid;
1535 return if $self->in_memory != cf::MAP_SWAPPED; 2140 return unless $self->in_memory == cf::MAP_SWAPPED;
1536 2141
1537 $self->in_memory (cf::MAP_LOADING); 2142 $self->in_memory (cf::MAP_LOADING);
1538 2143
1539 $self->alloc; 2144 $self->alloc;
1540 2145
1541 $self->pre_load; 2146 $self->pre_load;
1542 Coro::cede; 2147 cf::cede_to_tick;
1543 2148
2149 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block;
1544 $self->_load_objects ($self->{load_path}, 1) 2151 $self->_load_objects ($f)
1545 or return; 2152 or return;
1546 2153
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2154 $self->post_load_original
1548 if delete $self->{load_original}; 2155 if delete $self->{load_original};
1549 2156
1550 if (my $uniq = $self->uniq_path) { 2157 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq; 2158 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) { 2159 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) {
1553 $self->clear_unique_items; 2161 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0); 2162 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs;
2164 }
1555 } 2165 }
1556 } 2166 }
1557 2167
1558 Coro::cede; 2168 $f->resolve_delayed_derefs;
2169
2170 cf::cede_to_tick;
1559 # now do the right thing for maps 2171 # now do the right thing for maps
1560 $self->link_multipart_objects; 2172 $self->link_multipart_objects;
1561 $self->difficulty ($self->estimate_difficulty) 2173 $self->difficulty ($self->estimate_difficulty)
1562 unless $self->difficulty; 2174 unless $self->difficulty;
1563 Coro::cede; 2175 cf::cede_to_tick;
1564 2176
1565 unless ($self->{deny_activate}) { 2177 unless ($self->{deny_activate}) {
1566 $self->decay_objects; 2178 $self->decay_objects;
1567 $self->fix_auto_apply; 2179 $self->fix_auto_apply;
1568 $self->update_buttons; 2180 $self->update_buttons;
1569 Coro::cede; 2181 cf::cede_to_tick;
1570 $self->set_darkness_map;
1571 Coro::cede;
1572 $self->activate; 2182 $self->activate;
1573 } 2183 }
1574 2184
2185 $self->{last_save} = $cf::RUNTIME;
2186 $self->last_access ($cf::RUNTIME);
2187
1575 $self->in_memory (cf::MAP_IN_MEMORY); 2188 $self->in_memory (cf::MAP_ACTIVE);
1576 } 2189 }
1577 2190
1578 $self->post_load; 2191 $self->post_load;
1579}
1580 2192
2193 1
2194}
2195
2196# customize the map for a given player, i.e.
2197# return the _real_ map. used by e.g. per-player
2198# maps to change the path to ~playername/mappath
1581sub customise_for { 2199sub customise_for {
1582 my ($self, $ob) = @_; 2200 my ($self, $ob) = @_;
1583 2201
1584 return find "~" . $ob->name . "/" . $self->{path} 2202 return find "~" . $ob->name . "/" . $self->{path}
1585 if $self->per_player; 2203 if $self->per_player;
1586 2204
2205# return find "?party/" . $ob->name . "/" . $self->{path}
2206# if $self->per_party;
2207
1587 $self 2208 $self
1588} 2209}
1589 2210
1590# find and load all maps in the 3x3 area around a map 2211# find and load all maps in the 3x3 area around a map
1591sub load_diag { 2212sub load_neighbours {
1592 my ($map) = @_; 2213 my ($map) = @_;
1593 2214
1594 my @diag; # diagonal neighbours 2215 my @neigh; # diagonal neighbours
1595 2216
1596 for (0 .. 3) { 2217 for (0 .. 3) {
1597 my $neigh = $map->tile_path ($_) 2218 my $neigh = $map->tile_path ($_)
1598 or next; 2219 or next;
1599 $neigh = find $neigh, $map 2220 $neigh = find $neigh, $map
1600 or next; 2221 or next;
1601 $neigh->load; 2222 $neigh->load;
1602 2223
2224 # now find the diagonal neighbours
2225 push @neigh,
1603 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2226 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2227 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1605 } 2228 }
1606 2229
1607 for (@diag) { 2230 for (grep defined $_->[0], @neigh) {
2231 my ($path, $origin) = @$_;
1608 my $neigh = find @$_ 2232 my $neigh = find $path, $origin
1609 or next; 2233 or next;
1610 $neigh->load; 2234 $neigh->load;
1611 } 2235 }
1612} 2236}
1613 2237
1614sub find_sync { 2238sub find_sync {
1615 my ($path, $origin) = @_; 2239 my ($path, $origin) = @_;
1616 2240
1617 cf::sync_job { find $path, $origin } 2241 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2242 if $Coro::current == $Coro::main;
2243
2244 find $path, $origin
1618} 2245}
1619 2246
1620sub do_load_sync { 2247sub do_load_sync {
1621 my ($map) = @_; 2248 my ($map) = @_;
1622 2249
1623 cf::sync_job { $map->load }; 2250 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2251 if $Coro::current == $Coro::main;
2252
2253 $map->load;
1624} 2254}
1625 2255
1626our %MAP_PREFETCH; 2256our %MAP_PREFETCH;
1627our $MAP_PREFETCHER = undef; 2257our $MAP_PREFETCHER = undef;
1628 2258
1629sub find_async { 2259sub find_async {
1630 my ($path, $origin) = @_; 2260 my ($path, $origin, $load) = @_;
1631 2261
1632 $path = normalise $path, $origin && $origin->{path}; 2262 $path = normalise $path, $origin && $origin->{path};
1633 2263
1634 if (my $map = $cf::MAP{$path}) { 2264 if (my $map = $cf::MAP{$path}) {
1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2265 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636 } 2266 }
1637 2267
1638 undef $MAP_PREFETCH{$path}; 2268 $MAP_PREFETCH{$path} |= $load;
2269
1639 $MAP_PREFETCHER ||= cf::async { 2270 $MAP_PREFETCHER ||= cf::async {
2271 $Coro::current->{desc} = "map prefetcher";
2272
1640 while (%MAP_PREFETCH) { 2273 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) { 2274 while (my ($k, $v) = each %MAP_PREFETCH) {
1642 my $map = find $path 2275 if (my $map = find $k) {
1643 or next;
1644 $map->load; 2276 $map->load if $v;
2277 }
1645 2278
1646 delete $MAP_PREFETCH{$path}; 2279 delete $MAP_PREFETCH{$k};
1647 } 2280 }
1648 } 2281 }
1649 undef $MAP_PREFETCHER; 2282 undef $MAP_PREFETCHER;
1650 }; 2283 };
1651 $MAP_PREFETCHER->prio (6); 2284 $MAP_PREFETCHER->prio (6);
1652 2285
1653 () 2286 ()
1654} 2287}
1655 2288
2289# common code, used by both ->save and ->swapout
1656sub save { 2290sub _save {
1657 my ($self) = @_; 2291 my ($self) = @_;
1658
1659 my $lock = cf::lock_acquire "map_data:" . $self->path;
1660 2292
1661 $self->{last_save} = $cf::RUNTIME; 2293 $self->{last_save} = $cf::RUNTIME;
1662 2294
1663 return unless $self->dirty; 2295 return unless $self->dirty;
1664 2296
… …
1670 return if $self->{deny_save}; 2302 return if $self->{deny_save};
1671 2303
1672 local $self->{last_access} = $self->last_access;#d# 2304 local $self->{last_access} = $self->last_access;#d#
1673 2305
1674 cf::async { 2306 cf::async {
2307 $Coro::current->{desc} = "map player save";
1675 $_->contr->save for $self->players; 2308 $_->contr->save for $self->players;
1676 }; 2309 };
2310
2311 cf::get_slot 0.02;
1677 2312
1678 if ($uniq) { 2313 if ($uniq) {
1679 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2315 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1681 } else { 2316 } else {
1682 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2317 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683 } 2318 }
1684} 2319}
1685 2320
2321sub save {
2322 my ($self) = @_;
2323
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
2326 $self->_save;
2327}
2328
1686sub swap_out { 2329sub swap_out {
1687 my ($self) = @_; 2330 my ($self) = @_;
1688 2331
1689 # save first because save cedes
1690 $self->save;
1691
1692 my $lock = cf::lock_acquire "map_data:" . $self->path; 2332 my $lock = cf::lock_acquire "map_data:$self->{path}";
1693 2333
2334 return if $self->in_memory != cf::MAP_ACTIVE;
2335 return if $self->{deny_save};
1694 return if $self->players; 2336 return if $self->players;
1695 return if $self->in_memory != cf::MAP_IN_MEMORY;
1696 return if $self->{deny_save};
1697 2337
2338 # first deactivate the map and "unlink" it from the core
2339 $self->deactivate;
2340 $_->clear_links_to ($self) for values %cf::MAP;
2341 $self->in_memory (cf::MAP_SWAPPED);
2342
2343 # then atomically save
2344 $self->_save;
2345
2346 # then free the map
1698 $self->clear; 2347 $self->clear;
1699 $self->in_memory (cf::MAP_SWAPPED);
1700} 2348}
1701 2349
1702sub reset_at { 2350sub reset_at {
1703 my ($self) = @_; 2351 my ($self) = @_;
1704 2352
1705 # TODO: safety, remove and allow resettable per-player maps 2353 # TODO: safety, remove and allow resettable per-player maps
1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1707 return 1e99 if $self->{deny_reset}; 2354 return 1e99 if $self->{deny_reset};
1708 2355
1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2356 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2357 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711 2358
… …
1722 my ($self) = @_; 2369 my ($self) = @_;
1723 2370
1724 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2371 my $lock = cf::lock_acquire "map_data:$self->{path}";
1725 2372
1726 return if $self->players; 2373 return if $self->players;
1727 return if $self->isa ("ext::map_per_player");#d#
1728 2374
1729 warn "resetting map ", $self->path;#d# 2375 cf::trace "resetting map ", $self->path, "\n";
1730 2376
1731 $self->in_memory (cf::MAP_SWAPPED); 2377 $self->in_memory (cf::MAP_SWAPPED);
1732 2378
1733 # need to save uniques path 2379 # need to save uniques path
1734 unless ($self->{deny_save}) { 2380 unless ($self->{deny_save}) {
… …
1738 if $uniq; 2384 if $uniq;
1739 } 2385 }
1740 2386
1741 delete $cf::MAP{$self->path}; 2387 delete $cf::MAP{$self->path};
1742 2388
2389 $self->deactivate;
2390 $_->clear_links_to ($self) for values %cf::MAP;
1743 $self->clear; 2391 $self->clear;
1744
1745 $_->clear_links_to ($self) for values %cf::MAP;
1746 2392
1747 $self->unlink_save; 2393 $self->unlink_save;
1748 $self->destroy; 2394 $self->destroy;
1749} 2395}
1750 2396
1751my $nuke_counter = "aaaa"; 2397my $nuke_counter = "aaaa";
1752 2398
1753sub nuke { 2399sub nuke {
1754 my ($self) = @_; 2400 my ($self) = @_;
1755 2401
2402 {
2403 my $lock = cf::lock_acquire "map_data:$self->{path}";
2404
1756 delete $cf::MAP{$self->path}; 2405 delete $cf::MAP{$self->path};
1757 2406
1758 $self->unlink_save; 2407 $self->unlink_save;
1759 2408
1760 bless $self, "cf::map"; 2409 bless $self, "cf::map::wrap";
1761 delete $self->{deny_reset}; 2410 delete $self->{deny_reset};
1762 $self->{deny_save} = 1; 2411 $self->{deny_save} = 1;
1763 $self->reset_timeout (1); 2412 $self->reset_timeout (1);
1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2413 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765 2414
1766 $cf::MAP{$self->path} = $self; 2415 $cf::MAP{$self->path} = $self;
2416 }
1767 2417
1768 $self->reset; # polite request, might not happen 2418 $self->reset; # polite request, might not happen
2419}
2420
2421=item $maps = cf::map::tmp_maps
2422
2423Returns an arrayref with all map paths of currently instantiated and saved
2424maps. May block.
2425
2426=cut
2427
2428sub tmp_maps() {
2429 [
2430 map {
2431 utf8::decode $_;
2432 /\.map$/
2433 ? normalise $_
2434 : ()
2435 } @{ aio_readdir $TMPDIR or [] }
2436 ]
2437}
2438
2439=item $maps = cf::map::random_maps
2440
2441Returns an arrayref with all map paths of currently instantiated and saved
2442random maps. May block.
2443
2444=cut
2445
2446sub random_maps() {
2447 [
2448 map {
2449 utf8::decode $_;
2450 /\.map$/
2451 ? normalise "?random/$_"
2452 : ()
2453 } @{ aio_readdir $RANDOMDIR or [] }
2454 ]
1769} 2455}
1770 2456
1771=item cf::map::unique_maps 2457=item cf::map::unique_maps
1772 2458
1773Returns an arrayref of paths of all shared maps that have 2459Returns an arrayref of paths of all shared maps that have
1774instantiated unique items. May block. 2460instantiated unique items. May block.
1775 2461
1776=cut 2462=cut
1777 2463
1778sub unique_maps() { 2464sub unique_maps() {
1779 my $files = aio_readdir $UNIQUEDIR 2465 [
1780 or return; 2466 map {
1781
1782 my @paths;
1783
1784 for (@$files) {
1785 utf8::decode $_; 2467 utf8::decode $_;
1786 next if /\.pst$/; 2468 s/\.map$//; # TODO future compatibility hack
1787 next unless /^$PATH_SEP/o; 2469 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788 2470 ? ()
1789 push @paths, cf::map::normalise $_; 2471 : normalise $_
2472 } @{ aio_readdir $UNIQUEDIR or [] }
1790 } 2473 ]
1791
1792 \@paths
1793} 2474}
1794 2475
1795package cf; 2476=item cf::map::static_maps
2477
2478Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2479file in the shared directory excluding F</styles> and F</editor>). May
2480block.
2481
2482=cut
2483
2484sub static_maps() {
2485 my @dirs = "";
2486 my @maps;
2487
2488 while (@dirs) {
2489 my $dir = shift @dirs;
2490
2491 next if $dir eq "/styles" || $dir eq "/editor";
2492
2493 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2494 or return;
2495
2496 for (@$files) {
2497 s/\.map$// or next;
2498 utf8::decode $_;
2499 push @maps, "$dir/$_";
2500 }
2501
2502 push @dirs, map "$dir/$_", @$dirs;
2503 }
2504
2505 \@maps
2506}
1796 2507
1797=back 2508=back
1798 2509
1799=head3 cf::object 2510=head3 cf::object
1800 2511
… …
1804 2515
1805=over 4 2516=over 4
1806 2517
1807=item $ob->inv_recursive 2518=item $ob->inv_recursive
1808 2519
1809Returns the inventory of the object _and_ their inventories, recursively. 2520Returns the inventory of the object I<and> their inventories, recursively,
2521but I<not> the object itself.
1810 2522
1811=cut 2523=cut
1812 2524
1813sub inv_recursive_; 2525sub inv_recursive_;
1814sub inv_recursive_ { 2526sub inv_recursive_ {
… …
1817 2529
1818sub inv_recursive { 2530sub inv_recursive {
1819 inv_recursive_ inv $_[0] 2531 inv_recursive_ inv $_[0]
1820} 2532}
1821 2533
2534=item $ref = $ob->ref
2535
2536Creates and returns a persistent reference to an object that can be stored as a string.
2537
2538=item $ob = cf::object::deref ($refstring)
2539
2540returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2541even if the object actually exists. May block.
2542
2543=cut
2544
2545sub deref {
2546 my ($ref) = @_;
2547
2548 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2549 my ($uuid, $name) = ($1, $2);
2550 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2551 or return;
2552 $pl->ob->uuid eq $uuid
2553 or return;
2554
2555 $pl->ob
2556 } else {
2557 warn "$ref: cannot resolve object reference\n";
2558 undef
2559 }
2560}
2561
1822package cf; 2562package cf;
1823 2563
1824=back 2564=back
1825 2565
1826=head3 cf::object::player 2566=head3 cf::object::player
… …
1832Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2572Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833can be C<undef>. Does the right thing when the player is currently in a 2573can be C<undef>. Does the right thing when the player is currently in a
1834dialogue with the given NPC character. 2574dialogue with the given NPC character.
1835 2575
1836=cut 2576=cut
2577
2578our $SAY_CHANNEL = {
2579 id => "say",
2580 title => "Map",
2581 reply => "say ",
2582 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2583};
2584
2585our $CHAT_CHANNEL = {
2586 id => "chat",
2587 title => "Chat",
2588 reply => "chat ",
2589 tooltip => "Player chat and shouts, global to the server.",
2590};
1837 2591
1838# rough implementation of a future "reply" method that works 2592# rough implementation of a future "reply" method that works
1839# with dialog boxes. 2593# with dialog boxes.
1840#TODO: the first argument must go, split into a $npc->reply_to ( method 2594#TODO: the first argument must go, split into a $npc->reply_to ( method
1841sub cf::object::player::reply($$$;$) { 2595sub cf::object::player::reply($$$;$) {
… …
1843 2597
1844 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2598 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845 2599
1846 if ($self->{record_replies}) { 2600 if ($self->{record_replies}) {
1847 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2601 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2602
1848 } else { 2603 } else {
2604 my $pl = $self->contr;
2605
2606 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2607 my $dialog = $pl->{npc_dialog};
2608 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2609
2610 } else {
1849 $msg = $npc->name . " says: $msg" if $npc; 2611 $msg = $npc->name . " says: $msg" if $npc;
1850 $self->message ($msg, $flags); 2612 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2613 }
1851 } 2614 }
2615}
2616
2617=item $object->send_msg ($channel, $msg, $color, [extra...])
2618
2619=cut
2620
2621sub cf::object::send_msg {
2622 my $pl = shift->contr
2623 or return;
2624 $pl->send_msg (@_);
1852} 2625}
1853 2626
1854=item $player_object->may ("access") 2627=item $player_object->may ("access")
1855 2628
1856Returns wether the given player is authorized to access resource "access" 2629Returns wether the given player is authorized to access resource "access"
… …
1869 2642
1870=item $player_object->enter_link 2643=item $player_object->enter_link
1871 2644
1872Freezes the player and moves him/her to a special map (C<{link}>). 2645Freezes the player and moves him/her to a special map (C<{link}>).
1873 2646
1874The player should be reasonably safe there for short amounts of time. You 2647The player should be reasonably safe there for short amounts of time (e.g.
1875I<MUST> call C<leave_link> as soon as possible, though. 2648for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2649though, as the player cannot control the character while it is on the link
2650map.
1876 2651
1877Will never block. 2652Will never block.
1878 2653
1879=item $player_object->leave_link ($map, $x, $y) 2654=item $player_object->leave_link ($map, $x, $y)
1880 2655
… …
1900sub cf::object::player::enter_link { 2675sub cf::object::player::enter_link {
1901 my ($self) = @_; 2676 my ($self) = @_;
1902 2677
1903 $self->deactivate_recursive; 2678 $self->deactivate_recursive;
1904 2679
2680 ++$self->{_link_recursion};
2681
1905 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2682 return if UNIVERSAL::isa $self->map, "ext::map_link";
1906 2683
1907 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2684 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908 if $self->map && $self->map->{path} ne "{link}"; 2685 if $self->map && $self->map->{path} ne "{link}";
1909 2686
1910 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2687 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1911} 2688}
1912 2689
1913sub cf::object::player::leave_link { 2690sub cf::object::player::leave_link {
1914 my ($self, $map, $x, $y) = @_; 2691 my ($self, $map, $x, $y) = @_;
1915 2692
… …
1932 ($x, $y) = (-1, -1) 2709 ($x, $y) = (-1, -1)
1933 unless (defined $x) && (defined $y); 2710 unless (defined $x) && (defined $y);
1934 2711
1935 # use -1 or undef as default coordinates, not 0, 0 2712 # use -1 or undef as default coordinates, not 0, 0
1936 ($x, $y) = ($map->enter_x, $map->enter_y) 2713 ($x, $y) = ($map->enter_x, $map->enter_y)
1937 if $x <=0 && $y <= 0; 2714 if $x <= 0 && $y <= 0;
1938 2715
1939 $map->load; 2716 $map->load;
1940 $map->load_diag; 2717 $map->load_neighbours;
1941 2718
1942 return unless $self->contr->active; 2719 return unless $self->contr->active;
1943 $self->activate_recursive;
1944 2720
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2721 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946 $self->enter_map ($map, $x, $y); 2722 if ($self->enter_map ($map, $x, $y)) {
1947} 2723 # entering was successful
2724 delete $self->{_link_recursion};
2725 # only activate afterwards, to support waiting in hooks
2726 $self->activate_recursive;
2727 }
1948 2728
2729}
2730
1949=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2731=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950 2732
1951Moves the player to the given map-path and coordinates by first freezing 2733Moves the player to the given map-path and coordinates by first freezing
1952her, loading and preparing them map, calling the provided $check callback 2734her, loading and preparing them map, calling the provided $check callback
1953that has to return the map if sucecssful, and then unfreezes the player on 2735that has to return the map if sucecssful, and then unfreezes the player on
1954the new (success) or old (failed) map position. 2736the new (success) or old (failed) map position. In either case, $done will
2737be called at the end of this process.
2738
2739Note that $check will be called with a potentially non-loaded map, so if
2740it needs a loaded map it has to call C<< ->load >>.
1955 2741
1956=cut 2742=cut
1957 2743
1958our $GOTOGEN; 2744our $GOTOGEN;
1959 2745
1960sub cf::object::player::goto { 2746sub cf::object::player::goto {
1961 my ($self, $path, $x, $y, $check) = @_; 2747 my ($self, $path, $x, $y, $check, $done) = @_;
2748
2749 if ($self->{_link_recursion} >= $MAX_LINKS) {
2750 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2751 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2752 ($path, $x, $y) = @$EMERGENCY_POSITION;
2753 }
1962 2754
1963 # do generation counting so two concurrent goto's will be executed in-order 2755 # do generation counting so two concurrent goto's will be executed in-order
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2756 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965 2757
1966 $self->enter_link; 2758 $self->enter_link;
1967 2759
1968 (async { 2760 (async {
2761 $Coro::current->{desc} = "player::goto $path $x $y";
2762
2763 # *tag paths override both path and x|y
2764 if ($path =~ /^\*(.*)$/) {
2765 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2766 my $ob = $obs[rand @obs];
2767
2768 # see if we actually can go there
2769 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2770 $ob = $obs[rand @obs];
2771 } else {
2772 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2773 }
2774 # else put us there anyways for now #d#
2775
2776 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2777 } else {
2778 ($path, $x, $y) = (undef, undef, undef);
2779 }
2780 }
2781
1969 my $map = eval { 2782 my $map = eval {
1970 my $map = cf::map::find $path; 2783 my $map = defined $path ? cf::map::find $path : undef;
1971 2784
1972 if ($map) { 2785 if ($map) {
1973 $map = $map->customise_for ($self); 2786 $map = $map->customise_for ($self);
1974 $map = $check->($map) if $check && $map; 2787 $map = $check->($map, $x, $y, $self) if $check && $map;
1975 } else { 2788 } else {
1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2789 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977 } 2790 }
1978 2791
1979 $map 2792 $map
1980 }; 2793 };
1981 2794
… …
1986 2799
1987 if ($gen == $self->{_goto_generation}) { 2800 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation}; 2801 delete $self->{_goto_generation};
1989 $self->leave_link ($map, $x, $y); 2802 $self->leave_link ($map, $x, $y);
1990 } 2803 }
2804
2805 $done->($self) if $done;
1991 })->prio (1); 2806 })->prio (1);
1992} 2807}
1993 2808
1994=item $player_object->enter_exit ($exit_object) 2809=item $player_object->enter_exit ($exit_object)
1995 2810
… …
2015} 2830}
2016 2831
2017sub prepare_random_map { 2832sub prepare_random_map {
2018 my ($exit) = @_; 2833 my ($exit) = @_;
2019 2834
2020 my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022 # all this does is basically replace the /! path by 2835 # all this does is basically replace the /! path by
2023 # a new random map path (?random/...) with a seed 2836 # a new random map path (?random/...) with a seed
2024 # that depends on the exit object 2837 # that depends on the exit object
2025 2838
2026 my $rmp = parse_random_map_params $exit->msg; 2839 my $rmp = parse_random_map_params $exit->msg;
… …
2028 if ($exit->map) { 2841 if ($exit->map) {
2029 $rmp->{region} = $exit->region->name; 2842 $rmp->{region} = $exit->region->name;
2030 $rmp->{origin_map} = $exit->map->path; 2843 $rmp->{origin_map} = $exit->map->path;
2031 $rmp->{origin_x} = $exit->x; 2844 $rmp->{origin_x} = $exit->x;
2032 $rmp->{origin_y} = $exit->y; 2845 $rmp->{origin_y} = $exit->y;
2846
2847 $exit->map->touch;
2033 } 2848 }
2034 2849
2035 $rmp->{random_seed} ||= $exit->random_seed; 2850 $rmp->{random_seed} ||= $exit->random_seed;
2036 2851
2037 my $data = cf::to_json $rmp; 2852 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038 my $md5 = Digest::MD5::md5_hex $data; 2853 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta"; 2854 my $meta = "$RANDOMDIR/$md5.meta";
2040 2855
2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042 aio_write $fh, 0, (length $data), $data, 0; 2857 aio_write $fh, 0, (length $data), $data, 0;
2043 undef $fh; 2858 undef $fh;
2044 aio_rename "$meta~", $meta; 2859 aio_rename "$meta~", $meta;
2045 2860
2861 my $slaying = "?random/$md5";
2862
2863 if ($exit->valid) {
2046 $exit->slaying ("?random/$md5"); 2864 $exit->slaying ("?random/$md5");
2047 $exit->msg (undef); 2865 $exit->msg (undef);
2866 }
2048 } 2867 }
2049} 2868}
2050 2869
2051sub cf::object::player::enter_exit { 2870sub cf::object::player::enter_exit {
2052 my ($self, $exit) = @_; 2871 my ($self, $exit) = @_;
2053 2872
2054 return unless $self->type == cf::PLAYER; 2873 return unless $self->type == cf::PLAYER;
2055 2874
2056 if ($exit->slaying eq "/!") {
2057 #TODO: this should de-fi-ni-te-ly not be a sync-job
2058 # the problem is that $exit might not survive long enough
2059 # so it needs to be done right now, right here
2060 cf::sync_job { prepare_random_map $exit };
2061 }
2062
2063 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp;
2066
2067 $self->enter_link; 2875 $self->enter_link;
2068 2876
2069 (async { 2877 (async {
2070 $self->deactivate_recursive; # just to be sure 2878 $Coro::current->{desc} = "enter_exit";
2879
2071 unless (eval { 2880 unless (eval {
2881 $self->deactivate_recursive; # just to be sure
2882
2883 # random map handling
2884 {
2885 my $guard = cf::lock_acquire "exit_prepare:$exit";
2886
2887 prepare_random_map $exit
2888 if $exit->slaying eq "/!";
2889 }
2890
2891 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2892 my $x = $exit->stats->hp;
2893 my $y = $exit->stats->sp;
2894
2072 $self->goto ($slaying, $hp, $sp); 2895 $self->goto ($map, $x, $y);
2073 2896
2897 # if exit is damned, update players death & WoR home-position
2898 $self->contr->savebed ($map, $x, $y)
2899 if $exit->flag (cf::FLAG_DAMNED);
2900
2074 1; 2901 1
2075 }) { 2902 }) {
2076 $self->message ("Something went wrong deep within the crossfire server. " 2903 $self->message ("Something went wrong deep within the deliantra server. "
2077 . "I'll try to bring you back to the map you were before. " 2904 . "I'll try to bring you back to the map you were before. "
2078 . "Please report this to the dungeon master!", 2905 . "Please report this to the dungeon master!",
2079 cf::NDI_UNIQUE | cf::NDI_RED); 2906 cf::NDI_UNIQUE | cf::NDI_RED);
2080 2907
2081 warn "ERROR in enter_exit: $@"; 2908 error "ERROR in enter_exit: $@";
2082 $self->leave_link; 2909 $self->leave_link;
2083 } 2910 }
2084 })->prio (1); 2911 })->prio (1);
2085} 2912}
2086 2913
… …
2100 2927
2101 utf8::encode $text; 2928 utf8::encode $text;
2102 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2929 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103} 2930}
2104 2931
2932=item $client->send_big_packet ($pkt)
2933
2934Like C<send_packet>, but tries to compress large packets, and fragments
2935them as required.
2936
2937=cut
2938
2939our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2940
2941sub cf::client::send_big_packet {
2942 my ($self, $pkt) = @_;
2943
2944 # try lzf for large packets
2945 $pkt = "lzf " . Compress::LZF::compress $pkt
2946 if 1024 <= length $pkt and $self->{can_lzf};
2947
2948 # split very large packets
2949 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2950 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2951 $pkt = "frag";
2952 }
2953
2954 $self->send_packet ($pkt);
2955}
2956
2957=item $client->send_msg ($channel, $msg, $color, [extra...])
2958
2959Send a drawinfo or msg packet to the client, formatting the msg for the
2960client if neccessary. C<$type> should be a string identifying the type of
2961the message, with C<log> being the default. If C<$color> is negative, suppress
2962the message unless the client supports the msg packet.
2963
2964=cut
2965
2966# non-persistent channels (usually the info channel)
2967our %CHANNEL = (
2968 "c/motd" => {
2969 id => "infobox",
2970 title => "MOTD",
2971 reply => undef,
2972 tooltip => "The message of the day",
2973 },
2974 "c/identify" => {
2975 id => "infobox",
2976 title => "Identify",
2977 reply => undef,
2978 tooltip => "Items recently identified",
2979 },
2980 "c/examine" => {
2981 id => "infobox",
2982 title => "Examine",
2983 reply => undef,
2984 tooltip => "Signs and other items you examined",
2985 },
2986 "c/shopinfo" => {
2987 id => "infobox",
2988 title => "Shop Info",
2989 reply => undef,
2990 tooltip => "What your bargaining skill tells you about the shop",
2991 },
2992 "c/book" => {
2993 id => "infobox",
2994 title => "Book",
2995 reply => undef,
2996 tooltip => "The contents of a note or book",
2997 },
2998 "c/lookat" => {
2999 id => "infobox",
3000 title => "Look",
3001 reply => undef,
3002 tooltip => "What you saw there",
3003 },
3004 "c/who" => {
3005 id => "infobox",
3006 title => "Players",
3007 reply => undef,
3008 tooltip => "Shows players who are currently online",
3009 },
3010 "c/body" => {
3011 id => "infobox",
3012 title => "Body Parts",
3013 reply => undef,
3014 tooltip => "Shows which body parts you posess and are available",
3015 },
3016 "c/statistics" => {
3017 id => "infobox",
3018 title => "Statistics",
3019 reply => undef,
3020 tooltip => "Shows your primary statistics",
3021 },
3022 "c/skills" => {
3023 id => "infobox",
3024 title => "Skills",
3025 reply => undef,
3026 tooltip => "Shows your experience per skill and item power",
3027 },
3028 "c/shopitems" => {
3029 id => "infobox",
3030 title => "Shop Items",
3031 reply => undef,
3032 tooltip => "Shows the items currently for sale in this shop",
3033 },
3034 "c/resistances" => {
3035 id => "infobox",
3036 title => "Resistances",
3037 reply => undef,
3038 tooltip => "Shows your resistances",
3039 },
3040 "c/pets" => {
3041 id => "infobox",
3042 title => "Pets",
3043 reply => undef,
3044 tooltip => "Shows information abotu your pets/a specific pet",
3045 },
3046 "c/perceiveself" => {
3047 id => "infobox",
3048 title => "Perceive Self",
3049 reply => undef,
3050 tooltip => "You gained detailed knowledge about yourself",
3051 },
3052 "c/uptime" => {
3053 id => "infobox",
3054 title => "Uptime",
3055 reply => undef,
3056 tooltip => "How long the server has been running since last restart",
3057 },
3058 "c/mapinfo" => {
3059 id => "infobox",
3060 title => "Map Info",
3061 reply => undef,
3062 tooltip => "Information related to the maps",
3063 },
3064 "c/party" => {
3065 id => "party",
3066 title => "Party",
3067 reply => "gsay ",
3068 tooltip => "Messages and chat related to your party",
3069 },
3070 "c/death" => {
3071 id => "death",
3072 title => "Death",
3073 reply => undef,
3074 tooltip => "Reason for and more info about your most recent death",
3075 },
3076 "c/say" => $SAY_CHANNEL,
3077 "c/chat" => $CHAT_CHANNEL,
3078);
3079
3080sub cf::client::send_msg {
3081 my ($self, $channel, $msg, $color, @extra) = @_;
3082
3083 $msg = $self->pl->expand_cfpod ($msg)
3084 unless $color & cf::NDI_VERBATIM;
3085
3086 $color &= cf::NDI_CLIENT_MASK; # just in case...
3087
3088 # check predefined channels, for the benefit of C
3089 if ($CHANNEL{$channel}) {
3090 $channel = $CHANNEL{$channel};
3091
3092 $self->ext_msg (channel_info => $channel);
3093 $channel = $channel->{id};
3094
3095 } elsif (ref $channel) {
3096 # send meta info to client, if not yet sent
3097 unless (exists $self->{channel}{$channel->{id}}) {
3098 $self->{channel}{$channel->{id}} = $channel;
3099 $self->ext_msg (channel_info => $channel);
3100 }
3101
3102 $channel = $channel->{id};
3103 }
3104
3105 return unless @extra || length $msg;
3106
3107 # default colour, mask it out
3108 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3109 if $color & cf::NDI_DEF;
3110
3111 my $pkt = "msg "
3112 . $self->{json_coder}->encode (
3113 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3114 );
3115
3116 $self->send_big_packet ($pkt);
3117}
3118
2105=item $client->ext_event ($type, %msg) 3119=item $client->ext_msg ($type, @msg)
2106 3120
2107Sends an exti event to the client. 3121Sends an ext event to the client.
2108 3122
2109=cut 3123=cut
2110 3124
2111sub cf::client::ext_event($$%) { 3125sub cf::client::ext_msg($$@) {
2112 my ($self, $type, %msg) = @_; 3126 my ($self, $type, @msg) = @_;
2113 3127
3128 if ($self->extcmd == 2) {
3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3130 } elsif ($self->extcmd == 1) { # TODO: remove
2114 $msg{msgtype} = "event_$type"; 3131 push @msg, msgtype => "event_$type";
2115 $self->send_packet ("ext " . cf::to_json \%msg); 3132 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3133 }
3134}
3135
3136=item $client->ext_reply ($msgid, @msg)
3137
3138Sends an ext reply to the client.
3139
3140=cut
3141
3142sub cf::client::ext_reply($$@) {
3143 my ($self, $id, @msg) = @_;
3144
3145 if ($self->extcmd == 2) {
3146 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3147 } elsif ($self->extcmd == 1) {
3148 #TODO: version 1, remove
3149 unshift @msg, msgtype => "reply", msgid => $id;
3150 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3151 }
2116} 3152}
2117 3153
2118=item $success = $client->query ($flags, "text", \&cb) 3154=item $success = $client->query ($flags, "text", \&cb)
2119 3155
2120Queues a query to the client, calling the given callback with 3156Queues a query to the client, calling the given callback with
2121the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3157the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3158C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123 3159
2124Queries can fail, so check the return code. Or don't, as queries will become 3160Queries can fail, so check the return code. Or don't, as queries will
2125reliable at some point in the future. 3161become reliable at some point in the future.
2126 3162
2127=cut 3163=cut
2128 3164
2129sub cf::client::query { 3165sub cf::client::query {
2130 my ($self, $flags, $text, $cb) = @_; 3166 my ($self, $flags, $text, $cb) = @_;
… …
2138 utf8::encode $text; 3174 utf8::encode $text;
2139 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3175 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140 3176
2141 $self->send_packet ($self->{query_queue}[0][0]) 3177 $self->send_packet ($self->{query_queue}[0][0])
2142 if @{ $self->{query_queue} } == 1; 3178 if @{ $self->{query_queue} } == 1;
3179
3180 1
2143} 3181}
2144 3182
2145cf::client->attach ( 3183cf::client->attach (
3184 on_connect => sub {
3185 my ($ns) = @_;
3186
3187 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3188 },
2146 on_reply => sub { 3189 on_reply => sub {
2147 my ($ns, $msg) = @_; 3190 my ($ns, $msg) = @_;
2148 3191
2149 # this weird shuffling is so that direct followup queries 3192 # this weird shuffling is so that direct followup queries
2150 # get handled first 3193 # get handled first
… …
2162 } else { 3205 } else {
2163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3206 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164 } 3207 }
2165 } 3208 }
2166 }, 3209 },
3210 on_exticmd => sub {
3211 my ($ns, $buf) = @_;
3212
3213 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3214
3215 if (ref $msg) {
3216 my ($type, $reply, @payload) =
3217 "ARRAY" eq ref $msg
3218 ? @$msg
3219 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3220
3221 my @reply;
3222
3223 if (my $cb = $EXTICMD{$type}) {
3224 @reply = $cb->($ns, @payload);
3225 }
3226
3227 $ns->ext_reply ($reply, @reply)
3228 if $reply;
3229
3230 } else {
3231 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3232 }
3233
3234 cf::override;
3235 },
2167); 3236);
2168 3237
2169=item $client->async (\&cb) 3238=item $client->async (\&cb)
2170 3239
2171Create a new coroutine, running the specified callback. The coroutine will 3240Create a new coroutine, running the specified callback. The coroutine will
… …
2187 3256
2188 $coro 3257 $coro
2189} 3258}
2190 3259
2191cf::client->attach ( 3260cf::client->attach (
2192 on_destroy => sub { 3261 on_client_destroy => sub {
2193 my ($ns) = @_; 3262 my ($ns) = @_;
2194 3263
2195 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3264 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196 }, 3265 },
2197); 3266);
… …
2212our $safe = new Safe "safe"; 3281our $safe = new Safe "safe";
2213our $safe_hole = new Safe::Hole; 3282our $safe_hole = new Safe::Hole;
2214 3283
2215$SIG{FPE} = 'IGNORE'; 3284$SIG{FPE} = 'IGNORE';
2216 3285
2217$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3286$safe->permit_only (Opcode::opset qw(
3287 :base_core :base_mem :base_orig :base_math :base_loop
3288 grepstart grepwhile mapstart mapwhile
3289 sort time
3290));
2218 3291
2219# here we export the classes and methods available to script code 3292# here we export the classes and methods available to script code
2220 3293
2221=pod 3294=pod
2222 3295
2223The following functions and methods are available within a safe environment: 3296The following functions and methods are available within a safe environment:
2224 3297
2225 cf::object contr pay_amount pay_player map 3298 cf::object
3299 contr pay_amount pay_player map x y force_find force_add destroy
3300 insert remove name archname title slaying race decrease split
3301 value
3302
2226 cf::object::player player 3303 cf::object::player
2227 cf::player peaceful 3304 player
2228 cf::map trigger 3305
3306 cf::player
3307 peaceful
3308
3309 cf::map
3310 trigger
2229 3311
2230=cut 3312=cut
2231 3313
2232for ( 3314for (
2233 ["cf::object" => qw(contr pay_amount pay_player map)], 3315 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3316 insert remove inv nrof name archname title slaying race
3317 decrease split destroy change_exp value msg lore send_msg)],
2234 ["cf::object::player" => qw(player)], 3318 ["cf::object::player" => qw(player)],
2235 ["cf::player" => qw(peaceful)], 3319 ["cf::player" => qw(peaceful send_msg)],
2236 ["cf::map" => qw(trigger)], 3320 ["cf::map" => qw(trigger)],
2237) { 3321) {
2238 no strict 'refs';
2239 my ($pkg, @funs) = @$_; 3322 my ($pkg, @funs) = @$_;
2240 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3323 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241 for @funs; 3324 for @funs;
2242} 3325}
2243 3326
… …
2258 3341
2259 my $qcode = $code; 3342 my $qcode = $code;
2260 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3343 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2261 $qcode =~ s/\n/\\n/g; 3344 $qcode =~ s/\n/\\n/g;
2262 3345
3346 %vars = (_dummy => 0) unless %vars;
3347
3348 my @res;
2263 local $_; 3349 local $_;
2264 local @safe::cf::_safe_eval_args = values %vars;
2265 3350
2266 my $eval = 3351 my $eval =
2267 "do {\n" 3352 "do {\n"
2268 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3353 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269 . "#line 0 \"{$qcode}\"\n" 3354 . "#line 0 \"{$qcode}\"\n"
2270 . $code 3355 . $code
2271 . "\n}" 3356 . "\n}"
2272 ; 3357 ;
2273 3358
3359 if ($CFG{safe_eval}) {
2274 sub_generation_inc; 3360 sub_generation_inc;
3361 local @safe::cf::_safe_eval_args = values %vars;
2275 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3362 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276 sub_generation_inc; 3363 sub_generation_inc;
3364 } else {
3365 local @cf::_safe_eval_args = values %vars;
3366 @res = wantarray ? eval eval : scalar eval $eval;
3367 }
2277 3368
2278 if ($@) { 3369 if ($@) {
2279 warn "$@"; 3370 warn "$@",
2280 warn "while executing safe code '$code'\n"; 3371 "while executing safe code '$code'\n",
2281 warn "with arguments " . (join " ", %vars) . "\n"; 3372 "with arguments " . (join " ", %vars) . "\n";
2282 } 3373 }
2283 3374
2284 wantarray ? @res : $res[0] 3375 wantarray ? @res : $res[0]
2285} 3376}
2286 3377
… …
2300=cut 3391=cut
2301 3392
2302sub register_script_function { 3393sub register_script_function {
2303 my ($fun, $cb) = @_; 3394 my ($fun, $cb) = @_;
2304 3395
2305 no strict 'refs'; 3396 $fun = "safe::$fun" if $CFG{safe_eval};
2306 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3397 *$fun = $safe_hole->wrap ($cb);
2307} 3398}
2308 3399
2309=back 3400=back
2310 3401
2311=cut 3402=cut
2312
2313#############################################################################
2314
2315=head2 EXTENSION DATABASE SUPPORT
2316
2317Crossfire maintains a very simple database for extension use. It can
2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319convert to/from binary).
2320
2321The parameter C<$family> should best start with the name of the extension
2322using it, it should be unique.
2323
2324=over 4
2325
2326=item $value = cf::db_get $family => $key
2327
2328Returns a single value from the database.
2329
2330=item cf::db_put $family => $key => $value
2331
2332Stores the given C<$value> in the family.
2333
2334=cut
2335
2336our $DB;
2337
2338sub db_init {
2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2341
2342 cf::sync_job {
2343 eval {
2344 $DB->set_flags (BDB::CHKSUM);
2345
2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348 cf::cleanup "db_open(db): $!" if $!;
2349 };
2350 cf::cleanup "db_open(db): $@" if $@;
2351 };
2352 }
2353}
2354
2355sub db_get($$) {
2356 my $key = "$_[0]/$_[1]";
2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2366sub db_put($$$) {
2367 BDB::dbreq_pri 4;
2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369}
2370
2371=item cf::cache $id => [$paths...], $processversion => $process
2372
2373Generic caching function that returns the value of the resource $id,
2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2403 }
2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2483}
2484 3403
2485############################################################################# 3404#############################################################################
2486# the server's init and main functions 3405# the server's init and main functions
2487 3406
2488sub load_facedata($) { 3407sub load_facedata($) {
2489 my ($path) = @_; 3408 my ($path) = @_;
2490 3409
3410 # HACK to clear player env face cache, we need some signal framework
3411 # for this (global event?)
3412 %ext::player_env::MUSIC_FACE_CACHE = ();
3413
3414 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3415
2491 warn "loading facedata from $path\n"; 3416 trace "loading facedata from $path\n";
2492 3417
2493 my $facedata;
2494 0 < aio_load $path, $facedata 3418 0 < aio_load $path, my $facedata
2495 or die "$path: $!"; 3419 or die "$path: $!";
2496 3420
2497 $facedata = Coro::Storable::thaw $facedata; 3421 $facedata = Coro::Storable::thaw $facedata;
2498 3422
2499 $facedata->{version} == 2 3423 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed."; 3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501 3425
3426 # patch in the exptable
3427 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3428 $facedata->{resource}{"res/exp_table"} = {
3429 type => FT_RSRC,
3430 data => $exp_table,
3431 hash => (Digest::MD5::md5 $exp_table),
3432 };
3433 cf::cede_to_tick;
3434
2502 { 3435 {
2503 my $faces = $facedata->{faceinfo}; 3436 my $faces = $facedata->{faceinfo};
2504 3437
2505 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3440
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3441 cf::face::set_visibility $idx, $info->{visibility};
3442 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510 Coro::cede; 3445
3446 cf::cede_to_tick;
2511 } 3447 }
2512 3448
2513 while (my ($face, $info) = each %$faces) { 3449 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3450 next unless $info->{smooth};
3451
2515 my $idx = cf::face::find $face 3452 my $idx = cf::face::find $face
2516 or next; 3453 or next;
3454
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3455 if (my $smooth = cf::face::find $info->{smooth}) {
3456 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3458 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3459 error "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3460 }
2522 Coro::cede; 3461
3462 cf::cede_to_tick;
2523 } 3463 }
2524 } 3464 }
2525 3465
2526 { 3466 {
2527 my $anims = $facedata->{animinfo}; 3467 my $anims = $facedata->{animinfo};
2528 3468
2529 while (my ($anim, $info) = each %$anims) { 3469 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3470 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3471 cf::cede_to_tick;
2532 } 3472 }
2533 3473
2534 cf::anim::invalidate_all; # d'oh 3474 cf::anim::invalidate_all; # d'oh
2535 } 3475 }
2536 3476
3477 {
3478 my $res = $facedata->{resource};
3479
3480 while (my ($name, $info) = each %$res) {
3481 if (defined $info->{type}) {
3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3483
3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type};
3486 } else {
3487 $RESOURCE{$name} = $info; # unused
3488 }
3489
3490 cf::cede_to_tick;
3491 }
3492 }
3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3495
2537 1 3496 1
2538} 3497}
2539 3498
3499register_exticmd fx_want => sub {
3500 my ($ns, $want) = @_;
3501
3502 while (my ($k, $v) = each %$want) {
3503 $ns->fx_want ($k, $v);
3504 }
3505};
3506
3507sub load_resource_file($) {
3508 my $guard = lock_acquire "load_resource_file";
3509
3510 my $status = load_resource_file_ $_[0];
3511 get_slot 0.1, 100;
3512 cf::arch::commit_load;
3513
3514 $status
3515}
3516
2540sub reload_regions { 3517sub reload_regions {
3518 # HACK to clear player env face cache, we need some signal framework
3519 # for this (global event?)
3520 %ext::player_env::MUSIC_FACE_CACHE = ();
3521
2541 load_resource_file "$MAPDIR/regions" 3522 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3523 or die "unable to load regions file\n";
3524
3525 for (cf::region::list) {
3526 $_->{match} = qr/$_->{match}/
3527 if exists $_->{match};
3528 }
2543} 3529}
2544 3530
2545sub reload_facedata { 3531sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3532 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3533 or die "unable to load facedata\n";
… …
2555sub reload_treasures { 3541sub reload_treasures {
2556 load_resource_file "$DATADIR/treasures" 3542 load_resource_file "$DATADIR/treasures"
2557 or die "unable to load treasurelists\n"; 3543 or die "unable to load treasurelists\n";
2558} 3544}
2559 3545
3546sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n";
3548
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3553
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_]
3556 or next;
3557
3558 my $face = cf::face::find "sound/$sound->[1]";
3559 cf::sound::set $sound->[0] => $face;
3560 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3561 }
3562
3563 while (my ($k, $v) = each %{$soundconf->{event}}) {
3564 my $face = cf::face::find "sound/$v";
3565 cf::sound::set $k => $face;
3566 }
3567}
3568
2560sub reload_resources { 3569sub reload_resources {
2561 warn "reloading resource files...\n"; 3570 trace "reloading resource files...\n";
2562 3571
3572 reload_exp_table;
3573 reload_materials;
3574 reload_facedata;
3575 reload_sound;
3576 reload_archetypes;
2563 reload_regions; 3577 reload_regions;
2564 reload_facedata;
2565 reload_archetypes;
2566 reload_treasures; 3578 reload_treasures;
2567 3579
2568 warn "finished reloading resource files\n"; 3580 trace "finished reloading resource files\n";
2569} 3581}
2570 3582
2571sub init { 3583sub reload_config {
2572 reload_resources; 3584 trace "reloading config file...\n";
2573}
2574 3585
2575sub cfg_load { 3586 0 < aio_load "$CONFDIR/config", my $config
2576 open my $fh, "<:utf8", "$CONFDIR/config" 3587 or die "$CONFDIR/config: $!";
2577 or return;
2578 3588
2579 local $/; 3589 utf8::decode $config;
2580 *CFG = YAML::Syck::Load <$fh>; 3590 *CFG = yaml_load $config;
2581 3591
2582 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3592 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583 3593
2584 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3594 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3595 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586 3596
2587 if (exists $CFG{mlockall}) { 3597 if (exists $CFG{mlockall}) {
… …
2591 }; 3601 };
2592 warn $@ if $@; 3602 warn $@ if $@;
2593 } 3603 }
2594} 3604}
2595 3605
3606sub pidfile() {
3607 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3608 or die "$PIDFILE: $!";
3609 flock $fh, &Fcntl::LOCK_EX
3610 or die "$PIDFILE: flock: $!";
3611 $fh
3612}
3613
3614# make sure only one server instance is running at any one time
3615sub atomic {
3616 my $fh = pidfile;
3617
3618 my $pid = <$fh>;
3619 kill 9, $pid if $pid > 0;
3620
3621 seek $fh, 0, 0;
3622 print $fh $$;
3623}
3624
3625sub main_loop {
3626 trace "EV::loop starting\n";
3627 if (1) {
3628 EV::loop;
3629 }
3630 trace "EV::loop returned\n";
3631 goto &main_loop unless $REALLY_UNLOOP;
3632}
3633
2596sub main { 3634sub main {
3635 cf::init_globals; # initialise logging
3636
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643
2597 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
2598 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
2599 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3646 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600 (async { 3647 (async {
2601 Event::one_event; 3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
2602 })->prio (Coro::PRIO_MAX); 3650 })->prio (Coro::PRIO_MAX);
2603 }; 3651 };
2604 3652
2605 cfg_load; 3653 evthread_start IO::AIO::poll_fileno;
3654
3655 cf::sync_job {
3656 cf::incloader::init ();
3657
3658 cf::init_anim;
3659 cf::init_attackmess;
3660 cf::init_dynamic;
3661
3662 cf::load_settings;
3663
3664 reload_resources;
3665 reload_config;
2606 db_init; 3666 db_init;
3667
3668 cf::init_uuid;
3669 cf::init_signals;
3670 cf::init_skills;
3671
3672 cf::init_beforeplay;
3673
3674 atomic;
3675
2607 load_extensions; 3676 load_extensions;
2608 3677
2609 $TICK_WATCHER->start; 3678 utime time, time, $RUNTIMEFILE;
2610 Event::loop; 3679
3680 # no (long-running) fork's whatsoever before this point(!)
3681 use POSIX ();
3682 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3683
3684 cf::_post_init 0;
3685 };
3686
3687 cf::object::thawer::errors_are_fatal 0;
3688 info "parse errors in files are no longer fatal from this point on.\n";
3689
3690 my $free_main; $free_main = EV::idle sub {
3691 undef $free_main;
3692 undef &main; # free gobs of memory :)
3693 };
3694
3695 goto &main_loop;
2611} 3696}
2612 3697
2613############################################################################# 3698#############################################################################
2614# initialisation and cleanup 3699# initialisation and cleanup
2615 3700
2616# install some emergency cleanup handlers 3701# install some emergency cleanup handlers
2617BEGIN { 3702BEGIN {
3703 our %SIGWATCHER = ();
2618 for my $signal (qw(INT HUP TERM)) { 3704 for my $signal (qw(INT HUP TERM)) {
2619 Event->signal ( 3705 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 signal => $signal,
2623 prio => 0,
2624 cb => sub {
2625 cf::cleanup "SIG$signal"; 3706 cf::cleanup "SIG$signal";
2626 },
2627 ); 3707 };
3708 }
3709}
3710
3711sub write_runtime_sync {
3712 my $t0 = AE::time;
3713
3714 # first touch the runtime file to show we are still running:
3715 # the fsync below can take a very very long time.
3716
3717 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3718
3719 my $guard = cf::lock_acquire "write_runtime";
3720
3721 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3722 or return;
3723
3724 my $value = $cf::RUNTIME + 90 + 10;
3725 # 10 is the runtime save interval, for a monotonic clock
3726 # 60 allows for the watchdog to kill the server.
3727
3728 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3729 and return;
3730
3731 # always fsync - this file is important
3732 aio_fsync $fh
3733 and return;
3734
3735 # touch it again to show we are up-to-date
3736 aio_utime $fh, undef, undef;
3737
3738 close $fh
3739 or return;
3740
3741 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3742 and return;
3743
3744 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3745
2628 } 3746 1
3747}
3748
3749our $uuid_lock;
3750our $uuid_skip;
3751
3752sub write_uuid_sync($) {
3753 $uuid_skip ||= $_[0];
3754
3755 return if $uuid_lock;
3756 local $uuid_lock = 1;
3757
3758 my $uuid = "$LOCALDIR/uuid";
3759
3760 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3761 or return;
3762
3763 my $value = uuid_seq uuid_cur;
3764
3765 unless ($value) {
3766 info "cowardly refusing to write zero uuid value!\n";
3767 return;
3768 }
3769
3770 my $value = uuid_str $value + $uuid_skip;
3771 $uuid_skip = 0;
3772
3773 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3774 and return;
3775
3776 # always fsync - this file is important
3777 aio_fsync $fh
3778 and return;
3779
3780 close $fh
3781 or return;
3782
3783 aio_rename "$uuid~", $uuid
3784 and return;
3785
3786 trace "uuid file written ($value).\n";
3787
3788 1
3789
3790}
3791
3792sub write_uuid($$) {
3793 my ($skip, $sync) = @_;
3794
3795 $sync ? write_uuid_sync $skip
3796 : async { write_uuid_sync $skip };
2629} 3797}
2630 3798
2631sub emergency_save() { 3799sub emergency_save() {
2632 my $freeze_guard = cf::freeze_mainloop; 3800 my $freeze_guard = cf::freeze_mainloop;
2633 3801
2634 warn "enter emergency perl save\n"; 3802 info "emergency_perl_save: enter\n";
3803
3804 # this is a trade-off: we want to be very quick here, so
3805 # save all maps without fsync, and later call a global sync
3806 # (which in turn might be very very slow)
3807 local $USE_FSYNC = 0;
2635 3808
2636 cf::sync_job { 3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
3811
2637 # use a peculiar iteration method to avoid tripping on perl 3812 # use a peculiar iteration method to avoid tripping on perl
2638 # refcount bugs in for. also avoids problems with players 3813 # refcount bugs in for. also avoids problems with players
2639 # and maps saved/destroyed asynchronously. 3814 # and maps saved/destroyed asynchronously.
2640 warn "begin emergency player save\n"; 3815 info "emergency_perl_save: begin player save\n";
2641 for my $login (keys %cf::PLAYER) { 3816 for my $login (keys %cf::PLAYER) {
2642 my $pl = $cf::PLAYER{$login} or next; 3817 my $pl = $cf::PLAYER{$login} or next;
2643 $pl->valid or next; 3818 $pl->valid or next;
3819 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644 $pl->save; 3820 $pl->save;
2645 } 3821 }
2646 warn "end emergency player save\n"; 3822 info "emergency_perl_save: end player save\n";
2647 3823
2648 warn "begin emergency map save\n"; 3824 cf::write_runtime_sync; # external watchdog should not bark
3825
3826 info "emergency_perl_save: begin map save\n";
2649 for my $path (keys %cf::MAP) { 3827 for my $path (keys %cf::MAP) {
2650 my $map = $cf::MAP{$path} or next; 3828 my $map = $cf::MAP{$path} or next;
2651 $map->valid or next; 3829 $map->valid or next;
2652 $map->save; 3830 $map->save;
2653 } 3831 }
2654 warn "end emergency map save\n"; 3832 info "emergency_perl_save: end map save\n";
2655 3833
2656 warn "begin emergency database checkpoint\n"; 3834 cf::write_runtime_sync; # external watchdog should not bark
3835
3836 info "emergency_perl_save: begin database checkpoint\n";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3837 BDB::db_env_txn_checkpoint $DB_ENV;
2658 warn "end emergency database checkpoint\n"; 3838 info "emergency_perl_save: end database checkpoint\n";
3839
3840 info "emergency_perl_save: begin write uuid\n";
3841 write_uuid_sync 1;
3842 info "emergency_perl_save: end write uuid\n";
3843
3844 cf::write_runtime_sync; # external watchdog should not bark
3845
3846 trace "emergency_perl_save: syncing database to disk";
3847 BDB::db_env_txn_checkpoint $DB_ENV;
3848
3849 info "emergency_perl_save: starting sync\n";
3850 IO::AIO::aio_sync sub {
3851 info "emergency_perl_save: finished sync\n";
3852 };
3853
3854 cf::write_runtime_sync; # external watchdog should not bark
3855
3856 trace "emergency_perl_save: flushing outstanding aio requests";
3857 while (IO::AIO::nreqs || BDB::nreqs) {
3858 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3859 }
3860
3861 cf::write_runtime_sync; # external watchdog should not bark
2659 }; 3862 };
2660 3863
2661 warn "leave emergency perl save\n"; 3864 info "emergency_perl_save: leave\n";
2662} 3865}
2663 3866
2664sub post_cleanup { 3867sub post_cleanup {
2665 my ($make_core) = @_; 3868 my ($make_core) = @_;
2666 3869
3870 IO::AIO::flush;
3871
2667 warn Carp::longmess "post_cleanup backtrace" 3872 error Carp::longmess "post_cleanup backtrace"
2668 if $make_core; 3873 if $make_core;
3874
3875 my $fh = pidfile;
3876 unlink $PIDFILE if <$fh> == $$;
3877}
3878
3879# a safer delete_package, copied from Symbol
3880sub clear_package($) {
3881 my $pkg = shift;
3882
3883 # expand to full symbol table name if needed
3884 unless ($pkg =~ /^main::.*::$/) {
3885 $pkg = "main$pkg" if $pkg =~ /^::/;
3886 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3887 $pkg .= '::' unless $pkg =~ /::$/;
3888 }
3889
3890 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3891 my $stem_symtab = *{$stem}{HASH};
3892
3893 defined $stem_symtab and exists $stem_symtab->{$leaf}
3894 or return;
3895
3896 # clear all symbols
3897 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3898 for my $name (keys %$leaf_symtab) {
3899 _gv_clear *{"$pkg$name"};
3900# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3901 }
2669} 3902}
2670 3903
2671sub do_reload_perl() { 3904sub do_reload_perl() {
2672 # can/must only be called in main 3905 # can/must only be called in main
2673 if ($Coro::current != $Coro::main) { 3906 unless (in_main) {
2674 warn "can only reload from main coroutine"; 3907 error "can only reload from main coroutine";
2675 return; 3908 return;
2676 } 3909 }
2677 3910
2678 warn "reloading..."; 3911 return if $RELOAD++;
2679 3912
2680 warn "entering sync_job"; 3913 my $t1 = AE::time;
2681 3914
3915 while ($RELOAD) {
3916 cf::get_slot 0.1, -1, "reload_perl";
3917 info "perl_reload: reloading...";
3918
3919 trace "perl_reload: entering sync_job";
3920
2682 cf::sync_job { 3921 cf::sync_job {
2683 cf::write_runtime; # external watchdog should not bark
2684 cf::emergency_save; 3922 #cf::emergency_save;
2685 cf::write_runtime; # external watchdog should not bark
2686 3923
2687 warn "syncing database to disk";
2688 BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690 # if anything goes wrong in here, we should simply crash as we already saved
2691
2692 warn "cancelling all WF_AUTOCANCEL watchers";
2693 for (Event::all_watchers) {
2694 $_->cancel if $_->data & WF_AUTOCANCEL;
2695 }
2696
2697 warn "flushing outstanding aio requests";
2698 for (;;) {
2699 BDB::flush;
2700 IO::AIO::flush;
2701 Coro::cede;
2702 last unless IO::AIO::nreqs || BDB::nreqs;
2703 warn "iterate...";
2704 }
2705
2706 ++$RELOAD;
2707
2708 warn "cancelling all extension coros"; 3924 trace "perl_reload: cancelling all extension coros";
2709 $_->cancel for values %EXT_CORO; 3925 $_->cancel for values %EXT_CORO;
2710 %EXT_CORO = (); 3926 %EXT_CORO = ();
2711 3927
2712 warn "removing commands"; 3928 trace "perl_reload: removing commands";
2713 %COMMAND = (); 3929 %COMMAND = ();
2714 3930
2715 warn "removing ext commands"; 3931 trace "perl_reload: removing ext/exti commands";
2716 %EXTCMD = (); 3932 %EXTCMD = ();
3933 %EXTICMD = ();
2717 3934
2718 warn "unloading/nuking all extensions"; 3935 trace "perl_reload: unloading/nuking all extensions";
2719 for my $pkg (@EXTS) { 3936 for my $pkg (@EXTS) {
2720 warn "... unloading $pkg"; 3937 trace "... unloading $pkg";
2721 3938
2722 if (my $cb = $pkg->can ("unload")) { 3939 if (my $cb = $pkg->can ("unload")) {
2723 eval { 3940 eval {
2724 $cb->($pkg); 3941 $cb->($pkg);
2725 1 3942 1
2726 } or warn "$pkg unloaded, but with errors: $@"; 3943 } or error "$pkg unloaded, but with errors: $@";
3944 }
3945
3946 trace "... clearing $pkg";
3947 clear_package $pkg;
2727 } 3948 }
2728 3949
2729 warn "... nuking $pkg";
2730 Symbol::delete_package $pkg;
2731 }
2732
2733 warn "unloading all perl modules loaded from $LIBDIR"; 3950 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734 while (my ($k, $v) = each %INC) { 3951 while (my ($k, $v) = each %INC) {
2735 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3952 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736 3953
2737 warn "... unloading $k"; 3954 trace "... unloading $k";
2738 delete $INC{$k}; 3955 delete $INC{$k};
2739 3956
2740 $k =~ s/\.pm$//; 3957 $k =~ s/\.pm$//;
2741 $k =~ s/\//::/g; 3958 $k =~ s/\//::/g;
2742 3959
2743 if (my $cb = $k->can ("unload_module")) { 3960 if (my $cb = $k->can ("unload_module")) {
2744 $cb->(); 3961 $cb->();
3962 }
3963
3964 clear_package $k;
2745 } 3965 }
2746 3966
2747 Symbol::delete_package $k;
2748 }
2749
2750 warn "getting rid of safe::, as good as possible"; 3967 trace "perl_reload: getting rid of safe::, as good as possible";
2751 Symbol::delete_package "safe::$_" 3968 clear_package "safe::$_"
2752 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3969 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753 3970
2754 warn "unloading cf.pm \"a bit\""; 3971 trace "perl_reload: unloading cf.pm \"a bit\"";
2755 delete $INC{"cf.pm"}; 3972 delete $INC{"cf.pm"};
2756 delete $INC{"cf/pod.pm"}; 3973 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757 3974
2758 # don't, removes xs symbols, too, 3975 # don't, removes xs symbols, too,
2759 # and global variables created in xs 3976 # and global variables created in xs
2760 #Symbol::delete_package __PACKAGE__; 3977 #clear_package __PACKAGE__;
2761 3978
2762 warn "unload completed, starting to reload now"; 3979 info "perl_reload: unload completed, starting to reload now";
2763 3980
2764 warn "reloading cf.pm"; 3981 trace "perl_reload: reloading cf.pm";
2765 require cf; 3982 require cf;
2766 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3983 cf::_connect_to_perl_1;
2767 3984
2768 warn "loading config and database again"; 3985 trace "perl_reload: loading config and database again";
2769 cf::cfg_load; 3986 cf::reload_config;
2770 3987
2771 warn "loading extensions"; 3988 trace "perl_reload: loading extensions";
2772 cf::load_extensions; 3989 cf::load_extensions;
2773 3990
3991 if ($REATTACH_ON_RELOAD) {
2774 warn "reattaching attachments to objects/players"; 3992 trace "perl_reload: reattaching attachments to objects/players";
2775 _global_reattach; # objects, sockets 3993 _global_reattach; # objects, sockets
2776 warn "reattaching attachments to maps"; 3994 trace "perl_reload: reattaching attachments to maps";
2777 reattach $_ for values %MAP; 3995 reattach $_ for values %MAP;
2778 warn "reattaching attachments to players"; 3996 trace "perl_reload: reattaching attachments to players";
2779 reattach $_ for values %PLAYER; 3997 reattach $_ for values %PLAYER;
3998 }
2780 3999
2781 warn "leaving sync_job"; 4000 cf::_post_init 1;
2782 4001
4002 trace "perl_reload: leaving sync_job";
4003
2783 1 4004 1
2784 } or do { 4005 } or do {
2785 warn $@; 4006 error $@;
2786 warn "error while reloading, exiting."; 4007 cf::cleanup "perl_reload: error, exiting.";
2787 exit 1; 4008 };
4009
4010 --$RELOAD;
2788 }; 4011 }
2789 4012
2790 warn "reloaded"; 4013 $t1 = AE::time - $t1;
4014 info "perl_reload: completed in ${t1}s\n";
2791}; 4015};
2792 4016
2793our $RELOAD_WATCHER; # used only during reload 4017our $RELOAD_WATCHER; # used only during reload
2794 4018
2795sub reload_perl() { 4019sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back, 4020 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here. 4021 # coro crashes during coro_state_free->destroy here.
2798 4022
2799 $RELOAD_WATCHER ||= Event->timer ( 4023 $RELOAD_WATCHER ||= cf::async {
2800 reentrant => 0, 4024 Coro::AIO::aio_wait cache_extensions;
2801 after => 0, 4025
2802 data => WF_AUTOCANCEL, 4026 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803 cb => sub {
2804 do_reload_perl; 4027 do_reload_perl;
2805 undef $RELOAD_WATCHER; 4028 undef $RELOAD_WATCHER;
2806 }, 4029 };
2807 ); 4030 };
2808} 4031}
2809 4032
2810register_command "reload" => sub { 4033register_command "reload" => sub {
2811 my ($who, $arg) = @_; 4034 my ($who, $arg) = @_;
2812 4035
2813 if ($who->flag (FLAG_WIZ)) { 4036 if ($who->flag (FLAG_WIZ)) {
2814 $who->message ("reloading server."); 4037 $who->message ("reloading server.");
4038 async {
4039 $Coro::current->{desc} = "perl_reload";
2815 async { reload_perl }; 4040 reload_perl;
4041 };
2816 } 4042 }
2817}; 4043};
2818 4044
2819unshift @INC, $LIBDIR; 4045#############################################################################
2820 4046
2821my $bug_warning = 0; 4047my $bug_warning = 0;
2822 4048
2823our @WAIT_FOR_TICK; 4049our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN; 4050our @WAIT_FOR_TICK_BEGIN;
2825 4051
2826sub wait_for_tick { 4052sub wait_for_tick() {
2827 return unless $TICK_WATCHER->is_active;
2828 return if $Coro::current == $Coro::main; 4053 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829 4054
2830 my $signal = new Coro::Signal; 4055 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal; 4056 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait; 4057 $signal->wait;
2833} 4058}
2834 4059
2835sub wait_for_tick_begin { 4060sub wait_for_tick_begin() {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 4061 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838 4062
2839 my $signal = new Coro::Signal; 4063 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal; 4064 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait; 4065 $signal->wait;
2842} 4066}
2843 4067
2844 my $min = 1e6;#d# 4068sub tick {
2845 my $avg = 10;
2846$TICK_WATCHER = Event->timer (
2847 reentrant => 0,
2848 parked => 1,
2849 prio => 0,
2850 at => $NEXT_TICK || $TICK,
2851 data => WF_AUTOCANCEL,
2852 cb => sub {
2853 if ($Coro::current != $Coro::main) { 4069 if ($Coro::current != $Coro::main) {
2854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4070 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855 unless ++$bug_warning > 10; 4071 unless ++$bug_warning > 10;
2856 return; 4072 return;
2857 } 4073 }
2858 4074
2859 $NOW = $tick_start = Event::time;
2860
2861 cf::server_tick; # one server iteration 4075 cf::server_tick; # one server iteration
2862 4076
2863 0 && sync_job {#d# 4077 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864 for(1..10) {
2865 my $t = Event::time;
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867 or die;
2868 4078
2869 $map->width (50); 4079 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870 $map->height (50); 4080 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871 $map->alloc; 4081 Coro::async_pool {
2872 $map->_load_objects ("/tmp/x.map", 1); 4082 $Coro::current->{desc} = "runtime saver";
2873 my $t = Event::time - $t; 4083 write_runtime_sync
2874 4084 or error "ERROR: unable to write runtime file: $!";
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 }; 4085 };
4086 }
2885 4087
2886 $RUNTIME += $TICK;
2887 $NEXT_TICK += $TICK;
2888
2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2891 Coro::async_pool {
2892 write_runtime
2893 or warn "ERROR: unable to write runtime file: $!";
2894 };
2895 }
2896
2897# my $AFTER = Event::time;
2898# warn $AFTER - $NOW;#d#
2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4088 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send; 4089 $sig->send;
2902 } 4090 }
2903 while (my $sig = shift @WAIT_FOR_TICK) { 4091 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send; 4092 $sig->send;
2905 } 4093 }
2906 4094
2907 $NOW = Event::time; 4095 $LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909 # if we are delayed by four ticks or more, skip them all
2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912 $TICK_WATCHER->at ($NEXT_TICK);
2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4096 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917 4097
2918 _post_tick; 4098 if (0) {
2919 4099 if ($NEXT_TICK) {
2920 4100 my $jitter = $TICK_START - $NEXT_TICK;
4101 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4102 debug "jitter $JITTER\n";#d#
4103 }
2921 }, 4104 }
2922); 4105}
2923 4106
2924{ 4107{
2925 BDB::max_poll_time $TICK * 0.1; 4108 # configure BDB
2926 $BDB_POLL_WATCHER = Event->io ( 4109
2927 reentrant => 0,
2928 fd => BDB::poll_fileno,
2929 poll => 'r',
2930 prio => 0,
2931 data => WF_AUTOCANCEL,
2932 cb => \&BDB::poll_cb,
2933 );
2934 BDB::min_parallel 8; 4110 BDB::min_parallel 16;
2935 4111 BDB::max_poll_reqs $TICK * 0.1;
2936 BDB::set_sync_prepare { 4112 $AnyEvent::BDB::WATCHER->priority (1);
2937 my $status;
2938 my $current = $Coro::current;
2939 (
2940 sub {
2941 $status = $!;
2942 $current->ready; undef $current;
2943 },
2944 sub {
2945 Coro::schedule while defined $current;
2946 $! = $status;
2947 },
2948 )
2949 };
2950 4113
2951 unless ($DB_ENV) { 4114 unless ($DB_ENV) {
2952 $DB_ENV = BDB::db_env_create; 4115 $DB_ENV = BDB::db_env_create;
4116 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4117 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4118 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4119 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4120 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953 4121
2954 cf::sync_job { 4122 cf::sync_job {
2955 eval { 4123 eval {
2956 BDB::db_env_open 4124 BDB::db_env_open
2957 $DB_ENV, 4125 $DB_ENV,
… …
2959 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4127 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4128 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961 0666; 4129 0666;
2962 4130
2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4131 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966 $DB_ENV->set_lk_detect;
2967 }; 4132 };
2968 4133
2969 cf::cleanup "db_env_open(db): $@" if $@; 4134 cf::cleanup "db_env_open(db): $@" if $@;
2970 }; 4135 };
2971 } 4136 }
4137
4138 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4139 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4140 };
4141 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4142 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4143 };
4144 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4145 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4146 };
2972} 4147}
2973 4148
2974{ 4149{
4150 # configure IO::AIO
4151
2975 IO::AIO::min_parallel 8; 4152 IO::AIO::min_parallel 8;
2976
2977 undef $Coro::AIO::WATCHER;
2978 IO::AIO::max_poll_time $TICK * 0.1; 4153 IO::AIO::max_poll_time $TICK * 0.1;
2979 $AIO_POLL_WATCHER = Event->io ( 4154 undef $AnyEvent::AIO::WATCHER;
2980 reentrant => 0,
2981 data => WF_AUTOCANCEL,
2982 fd => IO::AIO::poll_fileno,
2983 poll => 'r',
2984 prio => 6,
2985 cb => \&IO::AIO::poll_cb,
2986 );
2987} 4155}
2988 4156
2989my $_log_backtrace; 4157our $_log_backtrace;
4158our $_log_backtrace_last;
2990 4159
2991sub _log_backtrace { 4160sub _log_backtrace {
2992 my ($msg, @addr) = @_; 4161 my ($msg, @addr) = @_;
2993 4162
2994 $msg =~ s/\n//; 4163 $msg =~ s/\n$//;
2995 4164
4165 if ($_log_backtrace_last eq $msg) {
4166 LOG llevInfo, "[ABT] $msg\n";
4167 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996 # limit the # of concurrent backtraces 4168 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) { 4169 } elsif ($_log_backtrace < 2) {
4170 $_log_backtrace_last = $msg;
2998 ++$_log_backtrace; 4171 ++$_log_backtrace;
4172 my $perl_bt = Carp::longmess $msg;
2999 async { 4173 async {
4174 $Coro::current->{desc} = "abt $msg";
4175
3000 my @bt = fork_call { 4176 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr; 4177 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4178 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4179 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004 or die "addr2line: $!"; 4180 or die "addr2line: $!";
… …
3012 } 4188 }
3013 4189
3014 @funcs 4190 @funcs
3015 }; 4191 };
3016 4192
3017 LOG llevInfo, "[ABT] $msg\n"; 4193 LOG llevInfo, "[ABT] $perl_bt\n";
4194 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018 LOG llevInfo, "[ABT] $_\n" for @bt; 4195 LOG llevInfo, "[ABT] $_\n" for @bt;
3019 --$_log_backtrace; 4196 --$_log_backtrace;
3020 }; 4197 };
3021 } else { 4198 } else {
3022 LOG llevInfo, "[ABT] $msg\n"; 4199 LOG llevInfo, "[ABT] $msg\n";
3023 LOG llevInfo, "[ABT] [suppressed]\n"; 4200 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024 } 4201 }
3025} 4202}
3026 4203
3027# load additional modules 4204# load additional modules
3028use cf::pod; 4205require "cf/$_.pm" for @EXTRA_MODULES;
4206cf::_connect_to_perl_2;
3029 4207
3030END { cf::emergency_save } 4208END { cf::emergency_save }
3031 4209
30321 42101
3033 4211

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