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Revision 1.297 by root, Thu Jul 5 08:10:30 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 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
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
34 64
35# configure various modules to our taste 65# configure various modules to our taste
36# 66#
37$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
38Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40 75
41$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
42 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44$YAML::Syck::ImplicitUnicode = 1;
45
46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47 78
48sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
49 82
50our %COMMAND = (); 83our %COMMAND = ();
51our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
52 85
53our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
54our %EXTCMD = (); 87our %EXTCMD = ();
55our %EXTICMD = (); 88our %EXTICMD = ();
56our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
57our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
58 91
59our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
60our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
61 96
62our $CONFDIR = confdir; 97our $CONFDIR = confdir;
63our $DATADIR = datadir; 98our $DATADIR = datadir;
64our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
65our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
66our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
67our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
68our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
69our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
72our $BDBDIR = "$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;
73 118
74our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75our $TICK_WATCHER;
76our $AIO_POLL_WATCHER;
77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78our $NEXT_TICK; 121our $NEXT_TICK;
79our $NOW;
80our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
81 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
82our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
83our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
84 130
85our %CFG; 131our %CFG;
86 132
87our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
88our $RUNTIME; 134our $RUNTIME;
135our $NOW;
89 136
90our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
91our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
92our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
93 140
94# 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 ∕
95our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96 143
97our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
99our $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 $REALLY_UNLOOP; # never set to true, please :)
100 153
101binmode STDOUT; 154binmode STDOUT;
102binmode STDERR; 155binmode STDERR;
103 156
104# read virtual server time, if available 157# read virtual server time, if available
105unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
106 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
107 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
108 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
109} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
110 165
111mkdir $_ 166mkdir $_
112 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113 168
114our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
115 170
116sub 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::"} };
117 187
118############################################################################# 188#############################################################################
119 189
120=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
121 191
157 227
158The raw value load value from the last tick. 228The raw value load value from the last tick.
159 229
160=item %cf::CFG 230=item %cf::CFG
161 231
162Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163from wherever your confdir points to. 233from wherever your confdir points to.
164 234
165=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
166 236
167These 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
168returns 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
169per 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.
170 240
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
171=back 258=back
172 259
173=cut 260=cut
174 261
175BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
176 *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 {
177 my $msg = join "", @_; 269 my $msg = join "", @_;
178 270
179 $msg .= "\n" 271 $msg .= "\n"
180 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
181 273
182 $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;
183 275
184 utf8::encode $msg;
185 LOG llevError, $msg; 276 LOG llevWarn, $msg;
186 }; 277};
187} 278
279$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};
188 292
189@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
199for my $pkg (qw( 303for my $pkg (qw(
200 cf::global cf::attachable 304 cf::global cf::attachable
201 cf::object cf::object::player 305 cf::object cf::object::player
202 cf::client cf::player 306 cf::client cf::player
203 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
204 cf::map cf::party cf::region 309 cf::party cf::region
205)) { 310)) {
206 no strict 'refs';
207 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208} 312}
209 313
210$Event::DIED = sub { 314$EV::DIED = sub {
211 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
212}; 316};
213 317
214############################################################################# 318#############################################################################
215 319
216=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
238 $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;
239 $d 343 $d
240 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
241} 345}
242 346
243=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
244 348
245Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
246 350
247=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
248 352
249Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
250 354
251=cut 355=cut
252 356
253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254 358
255sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[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}
257 404
258=item cf::lock_wait $string 405=item cf::lock_wait $string
259 406
260Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
261 408
262=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
263 410
264Wait 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
265a 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,
266for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
267returned. 414returned.
268 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
269Lock 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
270uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
271 421
272=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
273 423
274Return 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.
275 425
276=cut 426=cut
277 427
278our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
279 429
280sub lock_wait($) { 430sub lock_wait($) {
281 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
282
283 # wait for lock, if any
284 while ($LOCK{$key}) {
285 push @{ $LOCK{$key} }, $Coro::current;
286 Coro::schedule;
287 }
288} 432}
289 433
290sub lock_acquire($) { 434sub lock_acquire($) {
291 my ($key) = @_; 435 $LOCKS->guard ($_[0])
292
293 # wait, to be sure we are not locked
294 lock_wait $key;
295
296 $LOCK{$key} = [];
297
298 Coro::guard {
299 # wake up all waiters, to be on the safe side
300 $_->ready for @{ delete $LOCK{$key} };
301 }
302} 436}
303 437
304sub lock_active($) { 438sub lock_active($) {
305 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
306
307 ! ! $LOCK{$key}
308} 440}
309 441
310sub freeze_mainloop { 442sub freeze_mainloop {
311 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
312 444
313 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
314 $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($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
315 }; 512 }
316 $TICK_WATCHER->stop; 513};
317 $guard 514
515sub get_slot($;$$) {
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 $sig->wait;
318} 528}
319 529
320=item cf::async { BLOCK } 530=item cf::async { BLOCK }
321 531
322Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
327 537
328BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
329 539
330=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
331 541
332The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
333is always able to handle events or runnable, as Crossfire TRT is only 543is always able to handle events or runnable, as Deliantra is only
334partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335acceptable. 545acceptable.
336 546
337If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
338the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
342=cut 552=cut
343 553
344sub sync_job(&) { 554sub sync_job(&) {
345 my ($job) = @_; 555 my ($job) = @_;
346 556
347 if ($Coro::current == $Coro::main) { 557 if (in_main) {
348 my $time = Event::time; 558 my $time = AE::time;
349 559
350 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
351 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
352 562
353 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
354 # (but this is cancel-safe) 564
355 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
356 566
357 my $busy = 1; 567 my $busy = 1;
358 my @res; 568 my @res;
359 569
360 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
361 @res = eval { $job->() }; 572 @res = eval { $job->() };
362 warn $@ if $@; 573 error $@ if $@;
363 undef $busy; 574 undef $busy;
364 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
365 576
366 while ($busy) { 577 while ($busy) {
367 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
368 } 582 }
583 }
369 584
370 $time = Event::time - $time; 585 my $time = AE::time - $time;
371 586
372 LOG llevError | logBacktrace, Carp::longmess "long sync job"
373 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
376 588
377 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
378 } else { 590 } else {
379 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
380 592
400 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
401 613
402 $coro 614 $coro
403} 615}
404 616
405=item fork_call { }, $args 617=item fork_call { }, @args
406 618
407Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
408process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
411 623
412=cut 624=cut
625
626sub post_fork {
627 reset_signals;
628}
413 629
414sub fork_call(&@) { 630sub fork_call(&@) {
415 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
416 632
417# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 633 # we seemingly have to make a local copy of the whole thing,
418# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
419 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
420 or die "pipe: $!";
421 636
422 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
423 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
424 641
425 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
426 $res = Coro::Storable::thaw $res; 643}
427 644
428 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
429
430 die $$res unless "ARRAY" eq ref $res;
431
432 return wantarray ? @$res : $res->[-1];
433 } else {
434 reset_signals;
435 local $SIG{__WARN__};
436 local $SIG{__DIE__};
437 eval {
438 close $fh1;
439
440 my @res = eval { $cb->(@args) };
441 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442 };
443
444 warn $@ if $@;
445 _exit 0;
446 } 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
447} 681}
448 682
449=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
450 684
451Returns a single value from the environment database. 685Returns a single value from the environment database.
453=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
454 688
455Stores the given C<$value> in the family. It can currently store binary 689Stores the given C<$value> in the family. It can currently store binary
456data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457 691
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
458=cut 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}
459 718
460our $DB; 719our $DB;
461 720
462sub db_init { 721sub db_init {
463 unless ($DB) { 722 $DB ||= db_table "db";
464 $DB = BDB::db_create $DB_ENV;
465
466 cf::sync_job {
467 eval {
468 $DB->set_flags (BDB::CHKSUM);
469
470 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472 cf::cleanup "db_open(db): $!" if $!;
473 };
474 cf::cleanup "db_open(db): $@" if $@;
475 };
476 }
477} 723}
478 724
479sub db_get($$) { 725sub db_get($$) {
480 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
481 727
482 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
483 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
484 732
485 $! ? () 733 $! ? ()
486 : $data 734 : $data
487 }
488} 735}
489 736
490sub db_put($$$) { 737sub db_put($$$) {
491 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
492 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
531 if (1) { 778 if (1) {
532 $md5 = 779 $md5 =
533 join "\x00", 780 join "\x00",
534 $processversion, 781 $processversion,
535 map { 782 map {
536 Coro::cede; 783 cf::cede_to_tick;
537 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
538 } 0.. $#$src; 785 } 0.. $#$src;
539 786
540 787
541 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
548 795
549 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
550 my $data = $process->(\@data); 797 my $data = $process->(\@data);
551 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
552 799
553 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554 801
555 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
556 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
557 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
558 805
568 815
569=cut 816=cut
570 817
571sub datalog($@) { 818sub datalog($@) {
572 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
573 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574} 821}
575 822
576=back 823=back
577 824
578=cut 825=cut
579 826
580############################################################################# 827#############################################################################
581 828
582=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
583 830
584Many 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
585attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
586to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
587 834
588In 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>
589C<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
590Crossfire TRT). 837Deliantra).
591 838
592=over 4 839=over 4
593 840
594=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
595 842
639=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
640 887
641Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
642given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
643 890
644Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
645that 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.
646 893
647These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
648 895
649=over 4 896=over 4
773 1020
774 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
775 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776 1023
777 } elsif (ref $type) { 1024 } elsif (ref $type) {
778 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
779 1026
780 } else { 1027 } else {
781 shift @arg; 1028 shift @arg;
782 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
783 } 1030 }
784 } 1031 }
785} 1032}
786 1033
787sub _object_attach { 1034sub _object_attach {
797 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
798 } 1045 }
799 1046
800 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
801 } else { 1048 } else {
802 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
803 } 1050 }
804 1051
805 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
806} 1053}
807 1054
847 "; 1094 ";
848 die if $@; 1095 die if $@;
849} 1096}
850 1097
851our $override; 1098our $override;
852our @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?
853 1100
854sub override { 1101sub override {
855 $override = 1; 1102 $override = 1;
856 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
857} 1104}
858 1105
859sub do_invoke { 1106sub do_invoke {
860 my $event = shift; 1107 my $event = shift;
861 my $callbacks = shift; 1108 my $callbacks = shift;
862 1109
863 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
864 1111
865 local $override; 1112 local $override;
866 1113
867 for (@$callbacks) { 1114 for (@$callbacks) {
868 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
869 1116
870 if ($@) { 1117 if ($@) {
871 warn "$@";
872 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873 override; 1119 override;
874 } 1120 }
875 1121
876 return 1 if $override; 1122 return 1 if $override;
877 } 1123 }
878 1124
879 0 1125 0
880} 1126}
881 1127
882=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883 1129
884=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885 1131
886Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
887 1133
888This 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
889removed 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
890results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891 1137
892=back 1138=back
893 1139
894=cut 1140=cut
895 1141
896############################################################################# 1142#############################################################################
897# 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}
898 1186
899sub reattach { 1187sub reattach {
900 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
901 my ($obj) = @_; 1189 my ($obj) = @_;
902 1190
1191 # no longer needed after getting rid of delete_package?
903 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
904 1193
905 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
906 1195
907 @$registry = (); 1196 @$registry = ();
908 1197
913 for (@$attach) { 1202 for (@$attach) {
914 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
915 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
916 } 1205 }
917 } else { 1206 } else {
918 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
919 } 1208 }
920 } 1209 }
921} 1210}
922 1211
923cf::attachable->attach ( 1212cf::attachable->attach (
924 prio => -1000000, 1213 prio => -1000000,
925 on_instantiate => sub { 1214 on_instantiate => sub {
926 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
927 1216
928 $data = from_json $data; 1217 $data = decode_json $data;
929 1218
930 for (@$data) { 1219 for (@$data) {
931 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
932 1221
933 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
949sub object_freezer_save { 1238sub object_freezer_save {
950 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
951 1240
952 sync_job { 1241 sync_job {
953 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
954 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
955 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
956 1247
957 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
959 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960 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 }
961 close $fh; 1255 aio_close $fh;
962 1256
963 if (@$objs) { 1257 if (@$objs) {
964 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) {
965 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
966 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
968 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 }
969 close $fh; 1266 aio_close $fh;
970 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
971 } 1268 }
972 } else { 1269 } else {
973 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
974 } 1271 }
975 1272
976 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
977 } else { 1277 } else {
978 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
979 } 1279 }
980 } else { 1280 } else {
981 aio_unlink $filename; 1281 aio_unlink $filename;
982 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
983 } 1283 }
984 } 1284 };
985} 1285}
986 1286
987sub object_freezer_as_string { 1287sub object_freezer_as_string {
988 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
989 1289
1001 or return; 1301 or return;
1002 1302
1003 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1004 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1005 or return; 1305 or return;
1306
1006 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1007 } 1309 }
1008 1310
1311 utf8::decode (my $decname = $filename);
1009 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1010 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1011 return ($data, $av); 1316 ($data, $av)
1012} 1317}
1013 1318
1014=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1015 1320
1016=over 4 1321=over 4
1070 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1071 1376
1072 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1073} 1378}
1074 1379
1380use File::Glob ();
1381
1075cf::player->attach ( 1382cf::player->attach (
1076 on_command => sub { 1383 on_unknown_command => sub {
1077 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1078 1385
1079 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1080 or return; 1387 or return;
1081 1388
1089 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
1090 1397
1091 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092 1399
1093 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
1094 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
1095 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
1096 $pl->ext_reply ($msg->{msgid}, %reply);
1097 }
1098 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1099 } else { 1415 } else {
1100 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101 } 1417 }
1102 1418
1103 cf::override; 1419 cf::override;
1104 }, 1420 },
1105); 1421);
1106 1422
1423# "readahead" all extensions
1424sub cache_extensions {
1425 my $grp = IO::AIO::aio_group;
1426
1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1428 for (grep /\.ext$/, @{$_[0]}) {
1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1430 }
1431 };
1432
1433 $grp
1434}
1435
1107sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1108 cf::sync_job { 1439 cf::sync_job {
1109 my %todo; 1440 my %todo;
1110 1441
1111 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1112 next unless -r $path; 1443 next unless -r $path;
1130 1461
1131 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133 1464
1134 $ext{source} = 1465 $ext{source} =
1135 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1136 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1137 . $source 1468 . $source
1138 . "\n};\n1"; 1469 . "\n};\n1";
1139 1470
1140 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1141 } 1472 }
1142 1473
1474 my $pass = 0;
1143 my %done; 1475 my %done;
1144 while (%todo) { 1476 while (%todo) {
1145 my $progress; 1477 my $progress;
1146 1478
1479 ++$pass;
1480
1481 ext:
1147 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1148 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1149 goto skip 1484 next ext
1150 unless exists $done{$_}; 1485 unless exists $done{$_};
1151 } 1486 }
1152 1487
1153 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154 1489
1155 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1156 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1157 : "$v->{base}: extension inactive.\n";
1158 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1160 warn $msg; 1497
1161 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162 exit 1; 1499 delete $todo{$k};
1163 } 1500 } else {
1164 1501 $done{$k} = delete $todo{$k};
1165 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1166 } 1507 }
1167
1168 $done{$k} = delete $todo{$k};
1169 push @EXTS, $v->{pkg};
1170 $progress = 1;
1171 } 1508 }
1172 1509
1173 skip: 1510 unless ($progress) {
1174 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175 unless $progress; 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 }
1176 } 1518 }
1177 }; 1519 };
1178} 1520}
1179 1521
1180############################################################################# 1522#############################################################################
1181 1523
1182=back 1524=back
1183 1525
1184=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1185 1527
1186Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1187 1529
1188=cut 1530=cut
1189 1531
1190package cf::player; 1532package cf::player;
1191 1533
1192use Coro::AIO; 1534use Coro::AIO;
1193 1535
1194=head3 cf::player 1536=head3 cf::player
1195 1537
1196=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}
1197 1553
1198=item cf::player::find $login 1554=item cf::player::find $login
1199 1555
1200Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1201 1557
1220 1576
1221sub exists($) { 1577sub exists($) {
1222 my ($login) = @_; 1578 my ($login) = @_;
1223 1579
1224 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1225 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1226} 1582}
1227 1583
1228sub find($) { 1584sub find($) {
1229 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1230 my $login = $_[0]; 1586 my $login = $_[0];
1237 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1241 1597
1242 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1243 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;
1244 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1245 } 1607 }
1246 } 1608 }
1247} 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);
1248 1623
1249sub save($) { 1624sub save($) {
1250 my ($pl) = @_; 1625 my ($pl) = @_;
1251 1626
1252 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1257 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1258 1633
1259 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1260 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1261 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
1262 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1263 Coro::cede; 1643 cf::cede_to_tick;
1264} 1644}
1265 1645
1266sub new($) { 1646sub new($) {
1267 my ($login) = @_; 1647 my ($login) = @_;
1268 1648
1274 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1275 1655
1276 $self 1656 $self
1277} 1657}
1278 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
1279=item $pl->quit_character 1669=item $pl->quit_character
1280 1670
1281Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1282be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1283 1673
1287 my ($pl) = @_; 1677 my ($pl) = @_;
1288 1678
1289 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1290 1680
1291 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1292 $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
1293 1683
1294 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1297 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1298 1692
1299 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1300 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1301 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1336 or return []; 1730 or return [];
1337 1731
1338 my @logins; 1732 my @logins;
1339 1733
1340 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") {
1341 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1343 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1344 1744
1345 utf8::decode $login; 1745 utf8::decode $login;
1346 push @logins, $login; 1746 push @logins, $login;
1347 } 1747 }
1348 1748
1349 \@logins 1749 \@logins
1350} 1750}
1351 1751
1352=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1353 1755
1354Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1355player. May block. 1757player. May block.
1356 1758
1357=cut 1759=cut
1375 } 1777 }
1376 1778
1377 \@paths 1779 \@paths
1378} 1780}
1379 1781
1380=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381 1783
1382Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1383 1785
1384=cut
1385
1386sub expand_cfpod {
1387 ((my $self), (local $_)) = @_;
1388
1389 # escape & and <
1390 s/&/&amp;/g;
1391 s/(?<![BIUGH])</&lt;/g;
1392
1393 # this is buggy, it needs to properly take care of nested <'s
1394
1395 1 while
1396 # replace B<>, I<>, U<> etc.
1397 s/B<([^\>]*)>/<b>$1<\/b>/
1398 || s/I<([^\>]*)>/<i>$1<\/i>/
1399 || s/U<([^\>]*)>/<u>$1<\/u>/
1400 # replace G<male|female> tags
1401 || s{G<([^>|]*)\|([^>]*)>}{
1402 $self->gender ? $2 : $1
1403 }ge
1404 # replace H<hint text>
1405 || s{H<([^\>]*)>}
1406 {
1407 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409 "")
1410 [$self->{hintmode}]
1411 }ge;
1412
1413 # create single paragraphs (very hackish)
1414 s/(?<=\S)\n(?=\w)/ /g;
1415
1416 # compress some whitespace
1417 s/\s+\n/\n/g; # ws line-ends
1418 s/\n\n+/\n/g; # double lines
1419 s/^\n+//; # beginning lines
1420 s/\n+$//; # ending lines
1421
1422 $_
1423}
1424
1425sub hintmode {
1426 $_[0]{hintmode} = $_[1] if @_ > 1;
1427 $_[0]{hintmode}
1428}
1429
1430=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1431 1787
1432Sends an ext reply to the player. 1788Sends an ext reply to the player.
1433 1789
1434=cut 1790=cut
1435 1791
1436sub ext_reply($$%) { 1792sub ext_reply($$@) {
1437 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1438 1794
1439 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1440 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441} 1796}
1442 1797
1443=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1444 1799
1445Sends an ext event to the client. 1800Sends an ext event to the client.
1446 1801
1447=cut 1802=cut
1448 1803
1449sub ext_event($$%) { 1804sub ext_msg($$@) {
1450 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1451 1806
1452 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1453} 1808}
1454 1809
1455=head3 cf::region 1810=head3 cf::region
1456 1811
1457=over 4 1812=over 4
1467=cut 1822=cut
1468 1823
1469sub find_by_path($) { 1824sub find_by_path($) {
1470 my ($path) = @_; 1825 my ($path) = @_;
1471 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1472 my ($match, $specificity); 1829 my ($match, $specificity);
1473 1830
1474 for my $region (list) { 1831 for my $region (list) {
1475 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1476 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1477 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1478 } 1835 }
1479 } 1836 }
1480 1837
1501our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1502our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1503 1860
1504sub generate_random_map { 1861sub generate_random_map {
1505 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1506 # mit "rum" bekleckern, nicht 1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1507 $self->_create_random_map ( 1866 $self->_create_random_map ($rmp);
1508 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511 $rmp->{exit_on_final_map},
1512 $rmp->{xsize}, $rmp->{ysize},
1513 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518 (cf::region::find $rmp->{region}), $rmp->{custom}
1519 )
1520} 1867}
1521 1868
1522=item cf::map->register ($regex, $prio) 1869=item cf::map->register ($regex, $prio)
1523 1870
1524Register a handler for the map path matching the given regex at the 1871Register a handler for the map path matching the given regex at the
1529 1876
1530sub register { 1877sub register {
1531 my (undef, $regex, $prio) = @_; 1878 my (undef, $regex, $prio) = @_;
1532 my $pkg = caller; 1879 my $pkg = caller;
1533 1880
1534 no strict;
1535 push @{"$pkg\::ISA"}, __PACKAGE__; 1881 push @{"$pkg\::ISA"}, __PACKAGE__;
1536 1882
1537 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1883 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538} 1884}
1539 1885
1540# also paths starting with '/' 1886# also paths starting with '/'
1541$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1887$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542 1888
1543sub thawer_merge { 1889sub thawer_merge {
1544 my ($self, $merge) = @_; 1890 my ($self, $merge) = @_;
1545 1891
1546 # we have to keep some variables in memory intact 1892 # we have to keep some variables in memory intact
1551} 1897}
1552 1898
1553sub normalise { 1899sub normalise {
1554 my ($path, $base) = @_; 1900 my ($path, $base) = @_;
1555 1901
1556 $path = "$path"; # make sure its a string 1902 $path = "$path"; # make sure it's a string
1557 1903
1558 $path =~ s/\.map$//; 1904 $path =~ s/\.map$//;
1559 1905
1560 # map plan: 1906 # map plan:
1561 # 1907 #
1576 $base =~ s{[^/]+/?$}{}; 1922 $base =~ s{[^/]+/?$}{};
1577 $path = "$base/$path"; 1923 $path = "$base/$path";
1578 } 1924 }
1579 1925
1580 for ($path) { 1926 for ($path) {
1581 redo if s{//}{/};
1582 redo if s{/\.?/}{/}; 1927 redo if s{/\.?/}{/};
1583 redo if s{/[^/]+/\.\./}{/}; 1928 redo if s{/[^/]+/\.\./}{/};
1584 } 1929 }
1585 1930
1586 $path 1931 $path
1600 $self->init; # pass $1 etc. 1945 $self->init; # pass $1 etc.
1601 return $self; 1946 return $self;
1602 } 1947 }
1603 } 1948 }
1604 1949
1605 Carp::carp "unable to resolve path '$path' (base '$base')."; 1950 Carp::cluck "unable to resolve path '$path' (base '$base')";
1606 () 1951 ()
1607} 1952}
1608 1953
1609sub init { 1954sub init {
1610 my ($self) = @_; 1955 my ($self) = @_;
1632 1977
1633# the temporary/swap location 1978# the temporary/swap location
1634sub save_path { 1979sub save_path {
1635 my ($self) = @_; 1980 my ($self) = @_;
1636 1981
1637 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1982 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638 "$TMPDIR/$path.map" 1983 "$TMPDIR/$path.map"
1639} 1984}
1640 1985
1641# the unique path, undef == no special unique path 1986# the unique path, undef == no special unique path
1642sub uniq_path { 1987sub uniq_path {
1643 my ($self) = @_; 1988 my ($self) = @_;
1644 1989
1645 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1990 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646 "$UNIQUEDIR/$path" 1991 "$UNIQUEDIR/$path"
1647}
1648
1649# and all this just because we cannot iterate over
1650# all maps in C++...
1651sub change_all_map_light {
1652 my ($change) = @_;
1653
1654 $_->change_map_light ($change)
1655 for grep $_->outdoor, values %cf::MAP;
1656} 1992}
1657 1993
1658sub decay_objects { 1994sub decay_objects {
1659 my ($self) = @_; 1995 my ($self) = @_;
1660 1996
1673 2009
1674sub load_header_from($) { 2010sub load_header_from($) {
1675 my ($self, $path) = @_; 2011 my ($self, $path) = @_;
1676 2012
1677 utf8::encode $path; 2013 utf8::encode $path;
1678 #aio_open $path, O_RDONLY, 0 2014 my $f = new_from_file cf::object::thawer $path
1679 # or return;
1680
1681 $self->_load_header ($path)
1682 or return; 2015 or return;
2016
2017 $self->_load_header ($f)
2018 or return;
2019
2020 local $MAP_LOADING{$self->{path}} = $self;
2021 $f->resolve_delayed_derefs;
1683 2022
1684 $self->{load_path} = $path; 2023 $self->{load_path} = $path;
1685 2024
1686 1 2025 1
1687} 2026}
1739 2078
1740sub find; 2079sub find;
1741sub find { 2080sub find {
1742 my ($path, $origin) = @_; 2081 my ($path, $origin) = @_;
1743 2082
2083 cf::cede_to_tick;
2084
1744 $path = normalise $path, $origin && $origin->path; 2085 $path = normalise $path, $origin && $origin->path;
1745 2086
2087 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746 cf::lock_wait "map_find:$path"; 2088 my $guard2 = cf::lock_acquire "map_find:$path";
1747 2089
1748 $cf::MAP{$path} || do { 2090 $cf::MAP{$path} || do {
1749 my $guard = cf::lock_acquire "map_find:$path";
1750 my $map = new_from_path cf::map $path 2091 my $map = new_from_path cf::map $path
1751 or return; 2092 or return;
1752 2093
1753 $map->{last_save} = $cf::RUNTIME; 2094 $map->{last_save} = $cf::RUNTIME;
1754 2095
1756 or return; 2097 or return;
1757 2098
1758 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2099 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759 # doing this can freeze the server in a sync job, obviously 2100 # doing this can freeze the server in a sync job, obviously
1760 #$cf::WAIT_FOR_TICK->wait; 2101 #$cf::WAIT_FOR_TICK->wait;
2102 undef $guard2;
2103 undef $guard1;
1761 $map->reset; 2104 $map->reset;
1762 undef $guard;
1763 return find $path; 2105 return find $path;
1764 } 2106 }
1765 2107
1766 $cf::MAP{$path} = $map 2108 $cf::MAP{$path} = $map
1767 } 2109 }
1768} 2110}
1769 2111
1770sub pre_load { } 2112sub pre_load { }
1771sub post_load { } 2113#sub post_load { } # XS
1772 2114
1773sub load { 2115sub load {
1774 my ($self) = @_; 2116 my ($self) = @_;
1775 2117
1776 local $self->{deny_reset} = 1; # loading can take a long time 2118 local $self->{deny_reset} = 1; # loading can take a long time
1777 2119
1778 my $path = $self->{path}; 2120 my $path = $self->{path};
1779 2121
1780 { 2122 {
1781 my $guard = cf::lock_acquire "map_load:$path"; 2123 my $guard = cf::lock_acquire "map_data:$path";
1782 2124
2125 return unless $self->valid;
1783 return if $self->in_memory != cf::MAP_SWAPPED; 2126 return unless $self->in_memory == cf::MAP_SWAPPED;
1784 2127
1785 $self->in_memory (cf::MAP_LOADING); 2128 $self->in_memory (cf::MAP_LOADING);
1786 2129
1787 $self->alloc; 2130 $self->alloc;
1788 2131
1789 $self->pre_load; 2132 $self->pre_load;
1790 Coro::cede; 2133 cf::cede_to_tick;
1791 2134
2135 my $f = new_from_file cf::object::thawer $self->{load_path};
2136 $f->skip_block;
1792 $self->_load_objects ($self->{load_path}, 1) 2137 $self->_load_objects ($f)
1793 or return; 2138 or return;
1794 2139
1795 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2140 $self->post_load_original
1796 if delete $self->{load_original}; 2141 if delete $self->{load_original};
1797 2142
1798 if (my $uniq = $self->uniq_path) { 2143 if (my $uniq = $self->uniq_path) {
1799 utf8::encode $uniq; 2144 utf8::encode $uniq;
1800 if (aio_open $uniq, O_RDONLY, 0) { 2145 unless (aio_stat $uniq) {
2146 if (my $f = new_from_file cf::object::thawer $uniq) {
1801 $self->clear_unique_items; 2147 $self->clear_unique_items;
1802 $self->_load_objects ($uniq, 0); 2148 $self->_load_objects ($f);
2149 $f->resolve_delayed_derefs;
2150 }
1803 } 2151 }
1804 } 2152 }
1805 2153
1806 Coro::cede; 2154 $f->resolve_delayed_derefs;
2155
2156 cf::cede_to_tick;
1807 # now do the right thing for maps 2157 # now do the right thing for maps
1808 $self->link_multipart_objects; 2158 $self->link_multipart_objects;
1809 $self->difficulty ($self->estimate_difficulty) 2159 $self->difficulty ($self->estimate_difficulty)
1810 unless $self->difficulty; 2160 unless $self->difficulty;
1811 Coro::cede; 2161 cf::cede_to_tick;
1812 2162
1813 unless ($self->{deny_activate}) { 2163 unless ($self->{deny_activate}) {
1814 $self->decay_objects; 2164 $self->decay_objects;
1815 $self->fix_auto_apply; 2165 $self->fix_auto_apply;
1816 $self->update_buttons; 2166 $self->update_buttons;
1817 Coro::cede; 2167 cf::cede_to_tick;
1818 $self->set_darkness_map;
1819 Coro::cede;
1820 $self->activate; 2168 $self->activate;
1821 } 2169 }
1822 2170
2171 $self->{last_save} = $cf::RUNTIME;
2172 $self->last_access ($cf::RUNTIME);
2173
1823 $self->in_memory (cf::MAP_IN_MEMORY); 2174 $self->in_memory (cf::MAP_ACTIVE);
1824 } 2175 }
1825 2176
1826 $self->post_load; 2177 $self->post_load;
1827}
1828 2178
2179 1
2180}
2181
2182# customize the map for a given player, i.e.
2183# return the _real_ map. used by e.g. per-player
2184# maps to change the path to ~playername/mappath
1829sub customise_for { 2185sub customise_for {
1830 my ($self, $ob) = @_; 2186 my ($self, $ob) = @_;
1831 2187
1832 return find "~" . $ob->name . "/" . $self->{path} 2188 return find "~" . $ob->name . "/" . $self->{path}
1833 if $self->per_player; 2189 if $self->per_player;
1837 2193
1838 $self 2194 $self
1839} 2195}
1840 2196
1841# find and load all maps in the 3x3 area around a map 2197# find and load all maps in the 3x3 area around a map
1842sub load_diag { 2198sub load_neighbours {
1843 my ($map) = @_; 2199 my ($map) = @_;
1844 2200
1845 my @diag; # diagonal neighbours 2201 my @neigh; # diagonal neighbours
1846 2202
1847 for (0 .. 3) { 2203 for (0 .. 3) {
1848 my $neigh = $map->tile_path ($_) 2204 my $neigh = $map->tile_path ($_)
1849 or next; 2205 or next;
1850 $neigh = find $neigh, $map 2206 $neigh = find $neigh, $map
1851 or next; 2207 or next;
1852 $neigh->load; 2208 $neigh->load;
1853 2209
2210 # now find the diagonal neighbours
2211 push @neigh,
1854 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2212 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2213 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1856 } 2214 }
1857 2215
1858 for (@diag) { 2216 for (grep defined $_->[0], @neigh) {
2217 my ($path, $origin) = @$_;
1859 my $neigh = find @$_ 2218 my $neigh = find $path, $origin
1860 or next; 2219 or next;
1861 $neigh->load; 2220 $neigh->load;
1862 } 2221 }
1863} 2222}
1864 2223
1865sub find_sync { 2224sub find_sync {
1866 my ($path, $origin) = @_; 2225 my ($path, $origin) = @_;
1867 2226
1868 cf::sync_job { find $path, $origin } 2227 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2228 if $Coro::current == $Coro::main;
2229
2230 find $path, $origin
1869} 2231}
1870 2232
1871sub do_load_sync { 2233sub do_load_sync {
1872 my ($map) = @_; 2234 my ($map) = @_;
1873 2235
1874 cf::sync_job { $map->load }; 2236 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2237 if $Coro::current == $Coro::main;
2238
2239 $map->load;
1875} 2240}
1876 2241
1877our %MAP_PREFETCH; 2242our %MAP_PREFETCH;
1878our $MAP_PREFETCHER = undef; 2243our $MAP_PREFETCHER = undef;
1879 2244
1880sub find_async { 2245sub find_async {
1881 my ($path, $origin) = @_; 2246 my ($path, $origin, $load) = @_;
1882 2247
1883 $path = normalise $path, $origin && $origin->{path}; 2248 $path = normalise $path, $origin && $origin->{path};
1884 2249
1885 if (my $map = $cf::MAP{$path}) { 2250 if (my $map = $cf::MAP{$path}) {
1886 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2251 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887 } 2252 }
1888 2253
1889 undef $MAP_PREFETCH{$path}; 2254 $MAP_PREFETCH{$path} |= $load;
2255
1890 $MAP_PREFETCHER ||= cf::async { 2256 $MAP_PREFETCHER ||= cf::async {
2257 $Coro::current->{desc} = "map prefetcher";
2258
1891 while (%MAP_PREFETCH) { 2259 while (%MAP_PREFETCH) {
1892 for my $path (keys %MAP_PREFETCH) { 2260 while (my ($k, $v) = each %MAP_PREFETCH) {
1893 my $map = find $path 2261 if (my $map = find $k) {
1894 or next;
1895 $map->load; 2262 $map->load if $v;
2263 }
1896 2264
1897 delete $MAP_PREFETCH{$path}; 2265 delete $MAP_PREFETCH{$k};
1898 } 2266 }
1899 } 2267 }
1900 undef $MAP_PREFETCHER; 2268 undef $MAP_PREFETCHER;
1901 }; 2269 };
1902 $MAP_PREFETCHER->prio (6); 2270 $MAP_PREFETCHER->prio (6);
1903 2271
1904 () 2272 ()
1905} 2273}
1906 2274
2275# common code, used by both ->save and ->swapout
1907sub save { 2276sub _save {
1908 my ($self) = @_; 2277 my ($self) = @_;
1909
1910 my $lock = cf::lock_acquire "map_data:" . $self->path;
1911 2278
1912 $self->{last_save} = $cf::RUNTIME; 2279 $self->{last_save} = $cf::RUNTIME;
1913 2280
1914 return unless $self->dirty; 2281 return unless $self->dirty;
1915 2282
1921 return if $self->{deny_save}; 2288 return if $self->{deny_save};
1922 2289
1923 local $self->{last_access} = $self->last_access;#d# 2290 local $self->{last_access} = $self->last_access;#d#
1924 2291
1925 cf::async { 2292 cf::async {
2293 $Coro::current->{desc} = "map player save";
1926 $_->contr->save for $self->players; 2294 $_->contr->save for $self->players;
1927 }; 2295 };
2296
2297 cf::get_slot 0.02;
1928 2298
1929 if ($uniq) { 2299 if ($uniq) {
1930 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2300 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2301 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1932 } else { 2302 } else {
1933 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2303 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934 } 2304 }
1935} 2305}
1936 2306
2307sub save {
2308 my ($self) = @_;
2309
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
2312 $self->_save;
2313}
2314
1937sub swap_out { 2315sub swap_out {
1938 my ($self) = @_; 2316 my ($self) = @_;
1939 2317
1940 # save first because save cedes
1941 $self->save;
1942
1943 my $lock = cf::lock_acquire "map_data:" . $self->path; 2318 my $lock = cf::lock_acquire "map_data:$self->{path}";
1944 2319
2320 return if $self->in_memory != cf::MAP_ACTIVE;
2321 return if $self->{deny_save};
1945 return if $self->players; 2322 return if $self->players;
1946 return if $self->in_memory != cf::MAP_IN_MEMORY;
1947 return if $self->{deny_save};
1948 2323
2324 # first deactivate the map and "unlink" it from the core
2325 $self->deactivate;
2326 $_->clear_links_to ($self) for values %cf::MAP;
2327 $self->in_memory (cf::MAP_SWAPPED);
2328
2329 # then atomically save
2330 $self->_save;
2331
2332 # then free the map
1949 $self->clear; 2333 $self->clear;
1950 $self->in_memory (cf::MAP_SWAPPED);
1951} 2334}
1952 2335
1953sub reset_at { 2336sub reset_at {
1954 my ($self) = @_; 2337 my ($self) = @_;
1955 2338
1973 2356
1974 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2357 my $lock = cf::lock_acquire "map_data:$self->{path}";
1975 2358
1976 return if $self->players; 2359 return if $self->players;
1977 2360
1978 warn "resetting map ", $self->path; 2361 cf::trace "resetting map ", $self->path, "\n";
1979 2362
1980 $self->in_memory (cf::MAP_SWAPPED); 2363 $self->in_memory (cf::MAP_SWAPPED);
1981 2364
1982 # need to save uniques path 2365 # need to save uniques path
1983 unless ($self->{deny_save}) { 2366 unless ($self->{deny_save}) {
1987 if $uniq; 2370 if $uniq;
1988 } 2371 }
1989 2372
1990 delete $cf::MAP{$self->path}; 2373 delete $cf::MAP{$self->path};
1991 2374
2375 $self->deactivate;
2376 $_->clear_links_to ($self) for values %cf::MAP;
1992 $self->clear; 2377 $self->clear;
1993
1994 $_->clear_links_to ($self) for values %cf::MAP;
1995 2378
1996 $self->unlink_save; 2379 $self->unlink_save;
1997 $self->destroy; 2380 $self->destroy;
1998} 2381}
1999 2382
2000my $nuke_counter = "aaaa"; 2383my $nuke_counter = "aaaa";
2001 2384
2002sub nuke { 2385sub nuke {
2003 my ($self) = @_; 2386 my ($self) = @_;
2004 2387
2388 {
2389 my $lock = cf::lock_acquire "map_data:$self->{path}";
2390
2005 delete $cf::MAP{$self->path}; 2391 delete $cf::MAP{$self->path};
2006 2392
2007 $self->unlink_save; 2393 $self->unlink_save;
2008 2394
2009 bless $self, "cf::map"; 2395 bless $self, "cf::map::wrap";
2010 delete $self->{deny_reset}; 2396 delete $self->{deny_reset};
2011 $self->{deny_save} = 1; 2397 $self->{deny_save} = 1;
2012 $self->reset_timeout (1); 2398 $self->reset_timeout (1);
2013 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2399 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014 2400
2015 $cf::MAP{$self->path} = $self; 2401 $cf::MAP{$self->path} = $self;
2402 }
2016 2403
2017 $self->reset; # polite request, might not happen 2404 $self->reset; # polite request, might not happen
2018} 2405}
2019 2406
2020=item $maps = cf::map::tmp_maps 2407=item $maps = cf::map::tmp_maps
2062 2449
2063sub unique_maps() { 2450sub unique_maps() {
2064 [ 2451 [
2065 map { 2452 map {
2066 utf8::decode $_; 2453 utf8::decode $_;
2067 /\.map$/ 2454 s/\.map$//; # TODO future compatibility hack
2455 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2456 ? ()
2068 ? normalise $_ 2457 : normalise $_
2069 : ()
2070 } @{ aio_readdir $UNIQUEDIR or [] } 2458 } @{ aio_readdir $UNIQUEDIR or [] }
2071 ] 2459 ]
2072} 2460}
2073 2461
2074package cf; 2462=item cf::map::static_maps
2463
2464Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2465file in the shared directory excluding F</styles> and F</editor>). May
2466block.
2467
2468=cut
2469
2470sub static_maps() {
2471 my @dirs = "";
2472 my @maps;
2473
2474 while (@dirs) {
2475 my $dir = shift @dirs;
2476
2477 next if $dir eq "/styles" || $dir eq "/editor";
2478
2479 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2480 or return;
2481
2482 for (@$files) {
2483 s/\.map$// or next;
2484 utf8::decode $_;
2485 push @maps, "$dir/$_";
2486 }
2487
2488 push @dirs, map "$dir/$_", @$dirs;
2489 }
2490
2491 \@maps
2492}
2075 2493
2076=back 2494=back
2077 2495
2078=head3 cf::object 2496=head3 cf::object
2079 2497
2083 2501
2084=over 4 2502=over 4
2085 2503
2086=item $ob->inv_recursive 2504=item $ob->inv_recursive
2087 2505
2088Returns the inventory of the object _and_ their inventories, recursively. 2506Returns the inventory of the object I<and> their inventories, recursively,
2507but I<not> the object itself.
2089 2508
2090=cut 2509=cut
2091 2510
2092sub inv_recursive_; 2511sub inv_recursive_;
2093sub inv_recursive_ { 2512sub inv_recursive_ {
2096 2515
2097sub inv_recursive { 2516sub inv_recursive {
2098 inv_recursive_ inv $_[0] 2517 inv_recursive_ inv $_[0]
2099} 2518}
2100 2519
2520=item $ref = $ob->ref
2521
2522Creates and returns a persistent reference to an object that can be stored as a string.
2523
2524=item $ob = cf::object::deref ($refstring)
2525
2526returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2527even if the object actually exists. May block.
2528
2529=cut
2530
2531sub deref {
2532 my ($ref) = @_;
2533
2534 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2535 my ($uuid, $name) = ($1, $2);
2536 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2537 or return;
2538 $pl->ob->uuid eq $uuid
2539 or return;
2540
2541 $pl->ob
2542 } else {
2543 warn "$ref: cannot resolve object reference\n";
2544 undef
2545 }
2546}
2547
2101package cf; 2548package cf;
2102 2549
2103=back 2550=back
2104 2551
2105=head3 cf::object::player 2552=head3 cf::object::player
2111Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2558Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112can be C<undef>. Does the right thing when the player is currently in a 2559can be C<undef>. Does the right thing when the player is currently in a
2113dialogue with the given NPC character. 2560dialogue with the given NPC character.
2114 2561
2115=cut 2562=cut
2563
2564our $SAY_CHANNEL = {
2565 id => "say",
2566 title => "Map",
2567 reply => "say ",
2568 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2569};
2570
2571our $CHAT_CHANNEL = {
2572 id => "chat",
2573 title => "Chat",
2574 reply => "chat ",
2575 tooltip => "Player chat and shouts, global to the server.",
2576};
2116 2577
2117# rough implementation of a future "reply" method that works 2578# rough implementation of a future "reply" method that works
2118# with dialog boxes. 2579# with dialog boxes.
2119#TODO: the first argument must go, split into a $npc->reply_to ( method 2580#TODO: the first argument must go, split into a $npc->reply_to ( method
2120sub cf::object::player::reply($$$;$) { 2581sub cf::object::player::reply($$$;$) {
2127 2588
2128 } else { 2589 } else {
2129 my $pl = $self->contr; 2590 my $pl = $self->contr;
2130 2591
2131 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2592 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132 my $diag = $pl->{npc_dialog}; 2593 my $dialog = $pl->{npc_dialog};
2133 $diag->{pl}->ext_reply ( 2594 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134 $diag->{id},
2135 msgtype => "reply",
2136 msg => $diag->{pl}->expand_cfpod ($msg),
2137 add_topics => []
2138 );
2139 2595
2140 } else { 2596 } else {
2141 $msg = $npc->name . " says: $msg" if $npc; 2597 $msg = $npc->name . " says: $msg" if $npc;
2142 $self->message ($msg, $flags); 2598 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143 } 2599 }
2144 } 2600 }
2601}
2602
2603=item $object->send_msg ($channel, $msg, $color, [extra...])
2604
2605=cut
2606
2607sub cf::object::send_msg {
2608 my $pl = shift->contr
2609 or return;
2610 $pl->send_msg (@_);
2145} 2611}
2146 2612
2147=item $player_object->may ("access") 2613=item $player_object->may ("access")
2148 2614
2149Returns wether the given player is authorized to access resource "access" 2615Returns wether the given player is authorized to access resource "access"
2162 2628
2163=item $player_object->enter_link 2629=item $player_object->enter_link
2164 2630
2165Freezes the player and moves him/her to a special map (C<{link}>). 2631Freezes the player and moves him/her to a special map (C<{link}>).
2166 2632
2167The player should be reasonably safe there for short amounts of time. You 2633The player should be reasonably safe there for short amounts of time (e.g.
2168I<MUST> call C<leave_link> as soon as possible, though. 2634for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2635though, as the player cannot control the character while it is on the link
2636map.
2169 2637
2170Will never block. 2638Will never block.
2171 2639
2172=item $player_object->leave_link ($map, $x, $y) 2640=item $player_object->leave_link ($map, $x, $y)
2173 2641
2193sub cf::object::player::enter_link { 2661sub cf::object::player::enter_link {
2194 my ($self) = @_; 2662 my ($self) = @_;
2195 2663
2196 $self->deactivate_recursive; 2664 $self->deactivate_recursive;
2197 2665
2666 ++$self->{_link_recursion};
2667
2198 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2668 return if UNIVERSAL::isa $self->map, "ext::map_link";
2199 2669
2200 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2670 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201 if $self->map && $self->map->{path} ne "{link}"; 2671 if $self->map && $self->map->{path} ne "{link}";
2202 2672
2203 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2673 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2204} 2674}
2205 2675
2206sub cf::object::player::leave_link { 2676sub cf::object::player::leave_link {
2207 my ($self, $map, $x, $y) = @_; 2677 my ($self, $map, $x, $y) = @_;
2208 2678
2225 ($x, $y) = (-1, -1) 2695 ($x, $y) = (-1, -1)
2226 unless (defined $x) && (defined $y); 2696 unless (defined $x) && (defined $y);
2227 2697
2228 # use -1 or undef as default coordinates, not 0, 0 2698 # use -1 or undef as default coordinates, not 0, 0
2229 ($x, $y) = ($map->enter_x, $map->enter_y) 2699 ($x, $y) = ($map->enter_x, $map->enter_y)
2230 if $x <=0 && $y <= 0; 2700 if $x <= 0 && $y <= 0;
2231 2701
2232 $map->load; 2702 $map->load;
2233 $map->load_diag; 2703 $map->load_neighbours;
2234 2704
2235 return unless $self->contr->active; 2705 return unless $self->contr->active;
2236 $self->activate_recursive;
2237 2706
2238 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2707 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239 $self->enter_map ($map, $x, $y); 2708 if ($self->enter_map ($map, $x, $y)) {
2240} 2709 # entering was successful
2710 delete $self->{_link_recursion};
2711 # only activate afterwards, to support waiting in hooks
2712 $self->activate_recursive;
2713 }
2241 2714
2715}
2716
2242=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2717=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243 2718
2244Moves the player to the given map-path and coordinates by first freezing 2719Moves the player to the given map-path and coordinates by first freezing
2245her, loading and preparing them map, calling the provided $check callback 2720her, loading and preparing them map, calling the provided $check callback
2246that has to return the map if sucecssful, and then unfreezes the player on 2721that has to return the map if sucecssful, and then unfreezes the player on
2247the new (success) or old (failed) map position. 2722the new (success) or old (failed) map position. In either case, $done will
2723be called at the end of this process.
2724
2725Note that $check will be called with a potentially non-loaded map, so if
2726it needs a loaded map it has to call C<< ->load >>.
2248 2727
2249=cut 2728=cut
2250 2729
2251our $GOTOGEN; 2730our $GOTOGEN;
2252 2731
2253sub cf::object::player::goto { 2732sub cf::object::player::goto {
2254 my ($self, $path, $x, $y, $check) = @_; 2733 my ($self, $path, $x, $y, $check, $done) = @_;
2734
2735 if ($self->{_link_recursion} >= $MAX_LINKS) {
2736 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2737 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2738 ($path, $x, $y) = @$EMERGENCY_POSITION;
2739 }
2255 2740
2256 # do generation counting so two concurrent goto's will be executed in-order 2741 # do generation counting so two concurrent goto's will be executed in-order
2257 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2742 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258 2743
2259 $self->enter_link; 2744 $self->enter_link;
2260 2745
2261 (async { 2746 (async {
2747 $Coro::current->{desc} = "player::goto $path $x $y";
2748
2749 # *tag paths override both path and x|y
2750 if ($path =~ /^\*(.*)$/) {
2751 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2752 my $ob = $obs[rand @obs];
2753
2754 # see if we actually can go there
2755 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2756 $ob = $obs[rand @obs];
2757 } else {
2758 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2759 }
2760 # else put us there anyways for now #d#
2761
2762 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2763 } else {
2764 ($path, $x, $y) = (undef, undef, undef);
2765 }
2766 }
2767
2262 my $map = eval { 2768 my $map = eval {
2263 my $map = cf::map::find $path; 2769 my $map = defined $path ? cf::map::find $path : undef;
2264 2770
2265 if ($map) { 2771 if ($map) {
2266 $map = $map->customise_for ($self); 2772 $map = $map->customise_for ($self);
2267 $map = $check->($map) if $check && $map; 2773 $map = $check->($map, $x, $y, $self) if $check && $map;
2268 } else { 2774 } else {
2269 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2775 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270 } 2776 }
2271 2777
2272 $map 2778 $map
2273 }; 2779 };
2274 2780
2279 2785
2280 if ($gen == $self->{_goto_generation}) { 2786 if ($gen == $self->{_goto_generation}) {
2281 delete $self->{_goto_generation}; 2787 delete $self->{_goto_generation};
2282 $self->leave_link ($map, $x, $y); 2788 $self->leave_link ($map, $x, $y);
2283 } 2789 }
2790
2791 $done->($self) if $done;
2284 })->prio (1); 2792 })->prio (1);
2285} 2793}
2286 2794
2287=item $player_object->enter_exit ($exit_object) 2795=item $player_object->enter_exit ($exit_object)
2288 2796
2308} 2816}
2309 2817
2310sub prepare_random_map { 2818sub prepare_random_map {
2311 my ($exit) = @_; 2819 my ($exit) = @_;
2312 2820
2313 my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315 # all this does is basically replace the /! path by 2821 # all this does is basically replace the /! path by
2316 # a new random map path (?random/...) with a seed 2822 # a new random map path (?random/...) with a seed
2317 # that depends on the exit object 2823 # that depends on the exit object
2318 2824
2319 my $rmp = parse_random_map_params $exit->msg; 2825 my $rmp = parse_random_map_params $exit->msg;
2321 if ($exit->map) { 2827 if ($exit->map) {
2322 $rmp->{region} = $exit->region->name; 2828 $rmp->{region} = $exit->region->name;
2323 $rmp->{origin_map} = $exit->map->path; 2829 $rmp->{origin_map} = $exit->map->path;
2324 $rmp->{origin_x} = $exit->x; 2830 $rmp->{origin_x} = $exit->x;
2325 $rmp->{origin_y} = $exit->y; 2831 $rmp->{origin_y} = $exit->y;
2832
2833 $exit->map->touch;
2326 } 2834 }
2327 2835
2328 $rmp->{random_seed} ||= $exit->random_seed; 2836 $rmp->{random_seed} ||= $exit->random_seed;
2329 2837
2330 my $data = cf::to_json $rmp; 2838 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331 my $md5 = Digest::MD5::md5_hex $data; 2839 my $md5 = Digest::MD5::md5_hex $data;
2332 my $meta = "$RANDOMDIR/$md5.meta"; 2840 my $meta = "$RANDOMDIR/$md5.meta";
2333 2841
2334 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2842 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335 aio_write $fh, 0, (length $data), $data, 0; 2843 aio_write $fh, 0, (length $data), $data, 0;
2336 undef $fh; 2844 undef $fh;
2337 aio_rename "$meta~", $meta; 2845 aio_rename "$meta~", $meta;
2338 2846
2847 my $slaying = "?random/$md5";
2848
2849 if ($exit->valid) {
2339 $exit->slaying ("?random/$md5"); 2850 $exit->slaying ("?random/$md5");
2340 $exit->msg (undef); 2851 $exit->msg (undef);
2852 }
2341 } 2853 }
2342} 2854}
2343 2855
2344sub cf::object::player::enter_exit { 2856sub cf::object::player::enter_exit {
2345 my ($self, $exit) = @_; 2857 my ($self, $exit) = @_;
2346 2858
2347 return unless $self->type == cf::PLAYER; 2859 return unless $self->type == cf::PLAYER;
2348 2860
2349 if ($exit->slaying eq "/!") {
2350 #TODO: this should de-fi-ni-te-ly not be a sync-job
2351 # the problem is that $exit might not survive long enough
2352 # so it needs to be done right now, right here
2353 cf::sync_job { prepare_random_map $exit };
2354 }
2355
2356 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357 my $hp = $exit->stats->hp;
2358 my $sp = $exit->stats->sp;
2359
2360 $self->enter_link; 2861 $self->enter_link;
2361 2862
2362 # if exit is damned, update players death & WoR home-position
2363 $self->contr->savebed ($slaying, $hp, $sp)
2364 if $exit->flag (FLAG_DAMNED);
2365
2366 (async { 2863 (async {
2367 $self->deactivate_recursive; # just to be sure 2864 $Coro::current->{desc} = "enter_exit";
2865
2368 unless (eval { 2866 unless (eval {
2867 $self->deactivate_recursive; # just to be sure
2868
2869 # random map handling
2870 {
2871 my $guard = cf::lock_acquire "exit_prepare:$exit";
2872
2873 prepare_random_map $exit
2874 if $exit->slaying eq "/!";
2875 }
2876
2877 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2878 my $x = $exit->stats->hp;
2879 my $y = $exit->stats->sp;
2880
2369 $self->goto ($slaying, $hp, $sp); 2881 $self->goto ($map, $x, $y);
2370 2882
2883 # if exit is damned, update players death & WoR home-position
2884 $self->contr->savebed ($map, $x, $y)
2885 if $exit->flag (cf::FLAG_DAMNED);
2886
2371 1; 2887 1
2372 }) { 2888 }) {
2373 $self->message ("Something went wrong deep within the crossfire server. " 2889 $self->message ("Something went wrong deep within the deliantra server. "
2374 . "I'll try to bring you back to the map you were before. " 2890 . "I'll try to bring you back to the map you were before. "
2375 . "Please report this to the dungeon master!", 2891 . "Please report this to the dungeon master!",
2376 cf::NDI_UNIQUE | cf::NDI_RED); 2892 cf::NDI_UNIQUE | cf::NDI_RED);
2377 2893
2378 warn "ERROR in enter_exit: $@"; 2894 error "ERROR in enter_exit: $@";
2379 $self->leave_link; 2895 $self->leave_link;
2380 } 2896 }
2381 })->prio (1); 2897 })->prio (1);
2382} 2898}
2383 2899
2397 2913
2398 utf8::encode $text; 2914 utf8::encode $text;
2399 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2915 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400} 2916}
2401 2917
2918=item $client->send_big_packet ($pkt)
2919
2920Like C<send_packet>, but tries to compress large packets, and fragments
2921them as required.
2922
2923=cut
2924
2925our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2926
2927sub cf::client::send_big_packet {
2928 my ($self, $pkt) = @_;
2929
2930 # try lzf for large packets
2931 $pkt = "lzf " . Compress::LZF::compress $pkt
2932 if 1024 <= length $pkt and $self->{can_lzf};
2933
2934 # split very large packets
2935 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2936 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2937 $pkt = "frag";
2938 }
2939
2940 $self->send_packet ($pkt);
2941}
2942
2402=item $client->send_msg ($color, $type, $msg, [extra...]) 2943=item $client->send_msg ($channel, $msg, $color, [extra...])
2403 2944
2404Send a drawinfo or msg packet to the client, formatting the msg for the 2945Send a drawinfo or msg packet to the client, formatting the msg for the
2405client if neccessary. C<$type> should be a string identifying the type of 2946client if neccessary. C<$type> should be a string identifying the type of
2406the message, with C<log> being the default. If C<$color> is negative, suppress 2947the message, with C<log> being the default. If C<$color> is negative, suppress
2407the message unless the client supports the msg packet. 2948the message unless the client supports the msg packet.
2408 2949
2409=cut 2950=cut
2410 2951
2952# non-persistent channels (usually the info channel)
2953our %CHANNEL = (
2954 "c/motd" => {
2955 id => "infobox",
2956 title => "MOTD",
2957 reply => undef,
2958 tooltip => "The message of the day",
2959 },
2960 "c/identify" => {
2961 id => "infobox",
2962 title => "Identify",
2963 reply => undef,
2964 tooltip => "Items recently identified",
2965 },
2966 "c/examine" => {
2967 id => "infobox",
2968 title => "Examine",
2969 reply => undef,
2970 tooltip => "Signs and other items you examined",
2971 },
2972 "c/shopinfo" => {
2973 id => "infobox",
2974 title => "Shop Info",
2975 reply => undef,
2976 tooltip => "What your bargaining skill tells you about the shop",
2977 },
2978 "c/book" => {
2979 id => "infobox",
2980 title => "Book",
2981 reply => undef,
2982 tooltip => "The contents of a note or book",
2983 },
2984 "c/lookat" => {
2985 id => "infobox",
2986 title => "Look",
2987 reply => undef,
2988 tooltip => "What you saw there",
2989 },
2990 "c/who" => {
2991 id => "infobox",
2992 title => "Players",
2993 reply => undef,
2994 tooltip => "Shows players who are currently online",
2995 },
2996 "c/body" => {
2997 id => "infobox",
2998 title => "Body Parts",
2999 reply => undef,
3000 tooltip => "Shows which body parts you posess and are available",
3001 },
3002 "c/statistics" => {
3003 id => "infobox",
3004 title => "Statistics",
3005 reply => undef,
3006 tooltip => "Shows your primary statistics",
3007 },
3008 "c/skills" => {
3009 id => "infobox",
3010 title => "Skills",
3011 reply => undef,
3012 tooltip => "Shows your experience per skill and item power",
3013 },
3014 "c/shopitems" => {
3015 id => "infobox",
3016 title => "Shop Items",
3017 reply => undef,
3018 tooltip => "Shows the items currently for sale in this shop",
3019 },
3020 "c/resistances" => {
3021 id => "infobox",
3022 title => "Resistances",
3023 reply => undef,
3024 tooltip => "Shows your resistances",
3025 },
3026 "c/pets" => {
3027 id => "infobox",
3028 title => "Pets",
3029 reply => undef,
3030 tooltip => "Shows information abotu your pets/a specific pet",
3031 },
3032 "c/perceiveself" => {
3033 id => "infobox",
3034 title => "Perceive Self",
3035 reply => undef,
3036 tooltip => "You gained detailed knowledge about yourself",
3037 },
3038 "c/uptime" => {
3039 id => "infobox",
3040 title => "Uptime",
3041 reply => undef,
3042 tooltip => "How long the server has been running since last restart",
3043 },
3044 "c/mapinfo" => {
3045 id => "infobox",
3046 title => "Map Info",
3047 reply => undef,
3048 tooltip => "Information related to the maps",
3049 },
3050 "c/party" => {
3051 id => "party",
3052 title => "Party",
3053 reply => "gsay ",
3054 tooltip => "Messages and chat related to your party",
3055 },
3056 "c/death" => {
3057 id => "death",
3058 title => "Death",
3059 reply => undef,
3060 tooltip => "Reason for and more info about your most recent death",
3061 },
3062 "c/say" => $SAY_CHANNEL,
3063 "c/chat" => $CHAT_CHANNEL,
3064);
3065
2411sub cf::client::send_msg { 3066sub cf::client::send_msg {
2412 my ($self, $color, $type, $msg, @extra) = @_; 3067 my ($self, $channel, $msg, $color, @extra) = @_;
2413 3068
2414 $msg = $self->pl->expand_cfpod ($msg); 3069 $msg = $self->pl->expand_cfpod ($msg)
3070 unless $color & cf::NDI_VERBATIM;
3071
3072 $color &= cf::NDI_CLIENT_MASK; # just in case...
3073
3074 # check predefined channels, for the benefit of C
3075 if ($CHANNEL{$channel}) {
3076 $channel = $CHANNEL{$channel};
3077
3078 $self->ext_msg (channel_info => $channel);
3079 $channel = $channel->{id};
3080
3081 } elsif (ref $channel) {
3082 # send meta info to client, if not yet sent
3083 unless (exists $self->{channel}{$channel->{id}}) {
3084 $self->{channel}{$channel->{id}} = $channel;
3085 $self->ext_msg (channel_info => $channel);
3086 }
3087
3088 $channel = $channel->{id};
3089 }
2415 3090
2416 return unless @extra || length $msg; 3091 return unless @extra || length $msg;
2417 3092
2418 if ($self->can_msg) { 3093 # default colour, mask it out
2419 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 3094 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420 } else { 3095 if $color & cf::NDI_DEF;
2421 # replace some tags by gcfclient-compatible ones
2422 for ($msg) {
2423 1 while
2424 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429 }
2430 3096
2431 if ($color >= 0) { 3097 my $pkt = "msg "
2432 if (0 && $msg =~ /\[/) { 3098 . $self->{json_coder}->encode (
2433 $self->send_packet ("drawextinfo $color 4 0 $msg") 3099 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434 } else { 3100 );
2435 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436 $self->send_packet ("drawinfo $color $msg")
2437 }
2438 }
2439 }
2440}
2441 3101
3102 $self->send_big_packet ($pkt);
3103}
3104
2442=item $client->ext_event ($type, %msg) 3105=item $client->ext_msg ($type, @msg)
2443 3106
2444Sends an ext event to the client. 3107Sends an ext event to the client.
2445 3108
2446=cut 3109=cut
2447 3110
2448sub cf::client::ext_event($$%) { 3111sub cf::client::ext_msg($$@) {
2449 my ($self, $type, %msg) = @_; 3112 my ($self, $type, @msg) = @_;
2450 3113
3114 if ($self->extcmd == 2) {
3115 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3116 } elsif ($self->extcmd == 1) { # TODO: remove
2451 $msg{msgtype} = "event_$type"; 3117 push @msg, msgtype => "event_$type";
2452 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3118 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3119 }
3120}
3121
3122=item $client->ext_reply ($msgid, @msg)
3123
3124Sends an ext reply to the client.
3125
3126=cut
3127
3128sub cf::client::ext_reply($$@) {
3129 my ($self, $id, @msg) = @_;
3130
3131 if ($self->extcmd == 2) {
3132 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3133 } elsif ($self->extcmd == 1) {
3134 #TODO: version 1, remove
3135 unshift @msg, msgtype => "reply", msgid => $id;
3136 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3137 }
2453} 3138}
2454 3139
2455=item $success = $client->query ($flags, "text", \&cb) 3140=item $success = $client->query ($flags, "text", \&cb)
2456 3141
2457Queues a query to the client, calling the given callback with 3142Queues a query to the client, calling the given callback with
2512 my ($ns, $buf) = @_; 3197 my ($ns, $buf) = @_;
2513 3198
2514 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3199 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515 3200
2516 if (ref $msg) { 3201 if (ref $msg) {
3202 my ($type, $reply, @payload) =
3203 "ARRAY" eq ref $msg
3204 ? @$msg
3205 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3206
3207 my @reply;
3208
2517 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3209 if (my $cb = $EXTICMD{$type}) {
2518 if (my %reply = $cb->($ns, $msg)) { 3210 @reply = $cb->($ns, @payload);
2519 $reply{msgid} = $msg->{msgid};
2520 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521 }
2522 } 3211 }
3212
3213 $ns->ext_reply ($reply, @reply)
3214 if $reply;
3215
2523 } else { 3216 } else {
2524 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3217 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525 } 3218 }
2526 3219
2527 cf::override; 3220 cf::override;
2528 }, 3221 },
2529); 3222);
2549 3242
2550 $coro 3243 $coro
2551} 3244}
2552 3245
2553cf::client->attach ( 3246cf::client->attach (
2554 on_destroy => sub { 3247 on_client_destroy => sub {
2555 my ($ns) = @_; 3248 my ($ns) = @_;
2556 3249
2557 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3250 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558 }, 3251 },
2559); 3252);
2574our $safe = new Safe "safe"; 3267our $safe = new Safe "safe";
2575our $safe_hole = new Safe::Hole; 3268our $safe_hole = new Safe::Hole;
2576 3269
2577$SIG{FPE} = 'IGNORE'; 3270$SIG{FPE} = 'IGNORE';
2578 3271
2579$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3272$safe->permit_only (Opcode::opset qw(
3273 :base_core :base_mem :base_orig :base_math :base_loop
3274 grepstart grepwhile mapstart mapwhile
3275 sort time
3276));
2580 3277
2581# here we export the classes and methods available to script code 3278# here we export the classes and methods available to script code
2582 3279
2583=pod 3280=pod
2584 3281
2585The following functions and methods are available within a safe environment: 3282The following functions and methods are available within a safe environment:
2586 3283
2587 cf::object 3284 cf::object
2588 contr pay_amount pay_player map x y force_find force_add 3285 contr pay_amount pay_player map x y force_find force_add destroy
2589 insert remove 3286 insert remove name archname title slaying race decrease split
3287 value
2590 3288
2591 cf::object::player 3289 cf::object::player
2592 player 3290 player
2593 3291
2594 cf::player 3292 cf::player
2599 3297
2600=cut 3298=cut
2601 3299
2602for ( 3300for (
2603 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3301 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2604 insert remove)], 3302 insert remove inv nrof name archname title slaying race
3303 decrease split destroy change_exp value msg lore send_msg)],
2605 ["cf::object::player" => qw(player)], 3304 ["cf::object::player" => qw(player)],
2606 ["cf::player" => qw(peaceful)], 3305 ["cf::player" => qw(peaceful send_msg)],
2607 ["cf::map" => qw(trigger)], 3306 ["cf::map" => qw(trigger)],
2608) { 3307) {
2609 no strict 'refs';
2610 my ($pkg, @funs) = @$_; 3308 my ($pkg, @funs) = @$_;
2611 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2612 for @funs; 3310 for @funs;
2613} 3311}
2614 3312
2629 3327
2630 my $qcode = $code; 3328 my $qcode = $code;
2631 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3329 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2632 $qcode =~ s/\n/\\n/g; 3330 $qcode =~ s/\n/\\n/g;
2633 3331
3332 %vars = (_dummy => 0) unless %vars;
3333
3334 my @res;
2634 local $_; 3335 local $_;
2635 local @safe::cf::_safe_eval_args = values %vars;
2636 3336
2637 my $eval = 3337 my $eval =
2638 "do {\n" 3338 "do {\n"
2639 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3339 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2640 . "#line 0 \"{$qcode}\"\n" 3340 . "#line 0 \"{$qcode}\"\n"
2641 . $code 3341 . $code
2642 . "\n}" 3342 . "\n}"
2643 ; 3343 ;
2644 3344
3345 if ($CFG{safe_eval}) {
2645 sub_generation_inc; 3346 sub_generation_inc;
3347 local @safe::cf::_safe_eval_args = values %vars;
2646 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3348 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2647 sub_generation_inc; 3349 sub_generation_inc;
3350 } else {
3351 local @cf::_safe_eval_args = values %vars;
3352 @res = wantarray ? eval eval : scalar eval $eval;
3353 }
2648 3354
2649 if ($@) { 3355 if ($@) {
2650 warn "$@"; 3356 warn "$@",
2651 warn "while executing safe code '$code'\n"; 3357 "while executing safe code '$code'\n",
2652 warn "with arguments " . (join " ", %vars) . "\n"; 3358 "with arguments " . (join " ", %vars) . "\n";
2653 } 3359 }
2654 3360
2655 wantarray ? @res : $res[0] 3361 wantarray ? @res : $res[0]
2656} 3362}
2657 3363
2671=cut 3377=cut
2672 3378
2673sub register_script_function { 3379sub register_script_function {
2674 my ($fun, $cb) = @_; 3380 my ($fun, $cb) = @_;
2675 3381
2676 no strict 'refs'; 3382 $fun = "safe::$fun" if $CFG{safe_eval};
2677 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3383 *$fun = $safe_hole->wrap ($cb);
2678} 3384}
2679 3385
2680=back 3386=back
2681 3387
2682=cut 3388=cut
2685# the server's init and main functions 3391# the server's init and main functions
2686 3392
2687sub load_facedata($) { 3393sub load_facedata($) {
2688 my ($path) = @_; 3394 my ($path) = @_;
2689 3395
3396 # HACK to clear player env face cache, we need some signal framework
3397 # for this (global event?)
3398 %ext::player_env::MUSIC_FACE_CACHE = ();
3399
3400 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3401
2690 warn "loading facedata from $path\n"; 3402 trace "loading facedata from $path\n";
2691 3403
2692 my $facedata;
2693 0 < aio_load $path, $facedata 3404 0 < aio_load $path, my $facedata
2694 or die "$path: $!"; 3405 or die "$path: $!";
2695 3406
2696 $facedata = Coro::Storable::thaw $facedata; 3407 $facedata = Coro::Storable::thaw $facedata;
2697 3408
2698 $facedata->{version} == 2 3409 $facedata->{version} == 2
2699 or cf::cleanup "$path: version mismatch, cannot proceed."; 3410 or cf::cleanup "$path: version mismatch, cannot proceed.";
2700 3411
3412 # patch in the exptable
3413 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3414 $facedata->{resource}{"res/exp_table"} = {
3415 type => FT_RSRC,
3416 data => $exp_table,
3417 hash => (Digest::MD5::md5 $exp_table),
3418 };
3419 cf::cede_to_tick;
3420
2701 { 3421 {
2702 my $faces = $facedata->{faceinfo}; 3422 my $faces = $facedata->{faceinfo};
2703 3423
2704 while (my ($face, $info) = each %$faces) { 3424 while (my ($face, $info) = each %$faces) {
2705 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3425 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3426
2706 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3427 cf::face::set_visibility $idx, $info->{visibility};
3428 cf::face::set_magicmap $idx, $info->{magicmap};
2707 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3429 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2708 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3430 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2709 Coro::cede; 3431 cf::face::set_data $idx, 2, "-", chr $idx & 255;
3432
3433 cf::cede_to_tick;
2710 } 3434 }
2711 3435
2712 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2713 next unless $info->{smooth}; 3437 next unless $info->{smooth};
3438
2714 my $idx = cf::face::find $face 3439 my $idx = cf::face::find $face
2715 or next; 3440 or next;
3441
2716 if (my $smooth = cf::face::find $info->{smooth}) { 3442 if (my $smooth = cf::face::find $info->{smooth}) {
3443 cf::face::set_smooth $idx, $smooth;
2717 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3444 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718 } else { 3445 } else {
2719 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3446 error "smooth face '$info->{smooth}' not found for face '$face'";
2720 } 3447 }
2721 Coro::cede; 3448
3449 cf::cede_to_tick;
2722 } 3450 }
2723 } 3451 }
2724 3452
2725 { 3453 {
2726 my $anims = $facedata->{animinfo}; 3454 my $anims = $facedata->{animinfo};
2727 3455
2728 while (my ($anim, $info) = each %$anims) { 3456 while (my ($anim, $info) = each %$anims) {
2729 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3457 cf::anim::set $anim, $info->{frames}, $info->{facings};
2730 Coro::cede; 3458 cf::cede_to_tick;
2731 } 3459 }
2732 3460
2733 cf::anim::invalidate_all; # d'oh 3461 cf::anim::invalidate_all; # d'oh
2734 } 3462 }
2735 3463
3464 {
3465 my $res = $facedata->{resource};
3466
3467 while (my ($name, $info) = each %$res) {
3468 if (defined $info->{type}) {
3469 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3470
3471 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3472 cf::face::set_type $idx, $info->{type};
3473 } else {
3474 $RESOURCE{$name} = $info; # unused
3475 }
3476
3477 cf::cede_to_tick;
3478 }
3479 }
3480
3481 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3482
2736 1 3483 1
2737} 3484}
2738 3485
3486register_exticmd fx_want => sub {
3487 my ($ns, $want) = @_;
3488
3489 while (my ($k, $v) = each %$want) {
3490 $ns->fx_want ($k, $v);
3491 }
3492};
3493
3494sub load_resource_file($) {
3495 my $guard = lock_acquire "load_resource_file";
3496
3497 my $status = load_resource_file_ $_[0];
3498 get_slot 0.1, 100;
3499 cf::arch::commit_load;
3500
3501 $status
3502}
3503
2739sub reload_regions { 3504sub reload_regions {
3505 # HACK to clear player env face cache, we need some signal framework
3506 # for this (global event?)
3507 %ext::player_env::MUSIC_FACE_CACHE = ();
3508
2740 load_resource_file "$MAPDIR/regions" 3509 load_resource_file "$MAPDIR/regions"
2741 or die "unable to load regions file\n"; 3510 or die "unable to load regions file\n";
3511
3512 for (cf::region::list) {
3513 $_->{match} = qr/$_->{match}/
3514 if exists $_->{match};
3515 }
2742} 3516}
2743 3517
2744sub reload_facedata { 3518sub reload_facedata {
2745 load_facedata "$DATADIR/facedata" 3519 load_facedata "$DATADIR/facedata"
2746 or die "unable to load facedata\n"; 3520 or die "unable to load facedata\n";
2747} 3521}
2748 3522
2749sub reload_archetypes { 3523sub reload_archetypes {
2750 load_resource_file "$DATADIR/archetypes" 3524 load_resource_file "$DATADIR/archetypes"
2751 or die "unable to load archetypes\n"; 3525 or die "unable to load archetypes\n";
2752 #d# NEED to laod twice to resolve forward references
2753 # this really needs to be done in an extra post-pass
2754 # (which needs to be synchronous, so solve it differently)
2755 load_resource_file "$DATADIR/archetypes"
2756 or die "unable to load archetypes\n";
2757} 3526}
2758 3527
2759sub reload_treasures { 3528sub reload_treasures {
2760 load_resource_file "$DATADIR/treasures" 3529 load_resource_file "$DATADIR/treasures"
2761 or die "unable to load treasurelists\n"; 3530 or die "unable to load treasurelists\n";
2762} 3531}
2763 3532
3533sub reload_sound {
3534 trace "loading sound config from $DATADIR/sound\n";
3535
3536 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3537 or die "$DATADIR/sound $!";
3538
3539 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3540
3541 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3542 my $sound = $soundconf->{compat}[$_]
3543 or next;
3544
3545 my $face = cf::face::find "sound/$sound->[1]";
3546 cf::sound::set $sound->[0] => $face;
3547 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3548 }
3549
3550 while (my ($k, $v) = each %{$soundconf->{event}}) {
3551 my $face = cf::face::find "sound/$v";
3552 cf::sound::set $k => $face;
3553 }
3554}
3555
2764sub reload_resources { 3556sub reload_resources {
2765 warn "reloading resource files...\n"; 3557 trace "reloading resource files...\n";
2766 3558
3559 reload_exp_table;
3560 reload_materials;
3561 reload_facedata;
3562 reload_sound;
3563 reload_archetypes;
2767 reload_regions; 3564 reload_regions;
2768 reload_facedata;
2769 #reload_archetypes;#d#
2770 reload_archetypes;
2771 reload_treasures; 3565 reload_treasures;
2772 3566
2773 warn "finished reloading resource files\n"; 3567 trace "finished reloading resource files\n";
2774} 3568}
2775 3569
2776sub init { 3570sub reload_config {
2777 reload_resources; 3571 trace "reloading config file...\n";
2778}
2779 3572
2780sub cfg_load { 3573 0 < aio_load "$CONFDIR/config", my $config
2781 open my $fh, "<:utf8", "$CONFDIR/config" 3574 or die "$CONFDIR/config: $!";
2782 or return;
2783 3575
2784 local $/; 3576 utf8::decode $config;
2785 *CFG = YAML::Syck::Load <$fh>; 3577 *CFG = yaml_load $config;
2786 3578
2787 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3579 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2788 3580
2789 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3581 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2790 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3582 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2791 3583
2792 if (exists $CFG{mlockall}) { 3584 if (exists $CFG{mlockall}) {
2796 }; 3588 };
2797 warn $@ if $@; 3589 warn $@ if $@;
2798 } 3590 }
2799} 3591}
2800 3592
3593sub pidfile() {
3594 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3595 or die "$PIDFILE: $!";
3596 flock $fh, &Fcntl::LOCK_EX
3597 or die "$PIDFILE: flock: $!";
3598 $fh
3599}
3600
3601# make sure only one server instance is running at any one time
3602sub atomic {
3603 my $fh = pidfile;
3604
3605 my $pid = <$fh>;
3606 kill 9, $pid if $pid > 0;
3607
3608 seek $fh, 0, 0;
3609 print $fh $$;
3610}
3611
3612sub main_loop {
3613 trace "EV::loop starting\n";
3614 if (1) {
3615 EV::loop;
3616 }
3617 trace "EV::loop returned\n";
3618 goto &main_loop unless $REALLY_UNLOOP;
3619}
3620
2801sub main { 3621sub main {
3622 cf::init_globals; # initialise logging
3623
3624 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3625 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3626 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3627 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3628
3629 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3630
2802 # we must not ever block the main coroutine 3631 # we must not ever block the main coroutine
2803 local $Coro::idle = sub { 3632 local $Coro::idle = sub {
2804 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3633 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2805 (async { 3634 (async {
2806 Event::one_event; 3635 $Coro::current->{desc} = "IDLE BUG HANDLER";
3636 EV::loop EV::LOOP_ONESHOT;
2807 })->prio (Coro::PRIO_MAX); 3637 })->prio (Coro::PRIO_MAX);
2808 }; 3638 };
2809 3639
2810 cfg_load; 3640 evthread_start IO::AIO::poll_fileno;
3641
3642 cf::sync_job {
3643 cf::incloader::init ();
3644
3645 cf::init_anim;
3646 cf::init_attackmess;
3647 cf::init_dynamic;
3648
3649 cf::load_settings;
3650
3651 reload_resources;
3652 reload_config;
2811 db_init; 3653 db_init;
3654
3655 cf::init_uuid;
3656 cf::init_signals;
3657 cf::init_skills;
3658
3659 cf::init_beforeplay;
3660
3661 atomic;
3662
2812 load_extensions; 3663 load_extensions;
2813 3664
2814 $TICK_WATCHER->start; 3665 utime time, time, $RUNTIMEFILE;
2815 Event::loop; 3666
3667 # no (long-running) fork's whatsoever before this point(!)
3668 use POSIX ();
3669 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3670
3671 cf::_post_init 0;
3672 };
3673
3674 cf::object::thawer::errors_are_fatal 0;
3675 info "parse errors in files are no longer fatal from this point on.\n";
3676
3677 my $free_main; $free_main = EV::idle sub {
3678 undef $free_main;
3679 undef &main; # free gobs of memory :)
3680 };
3681
3682 goto &main_loop;
2816} 3683}
2817 3684
2818############################################################################# 3685#############################################################################
2819# initialisation and cleanup 3686# initialisation and cleanup
2820 3687
2821# install some emergency cleanup handlers 3688# install some emergency cleanup handlers
2822BEGIN { 3689BEGIN {
3690 our %SIGWATCHER = ();
2823 for my $signal (qw(INT HUP TERM)) { 3691 for my $signal (qw(INT HUP TERM)) {
2824 Event->signal ( 3692 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2825 reentrant => 0,
2826 data => WF_AUTOCANCEL,
2827 signal => $signal,
2828 prio => 0,
2829 cb => sub {
2830 cf::cleanup "SIG$signal"; 3693 cf::cleanup "SIG$signal";
2831 },
2832 ); 3694 };
2833 } 3695 }
2834} 3696}
2835 3697
2836sub write_runtime { 3698sub write_runtime_sync {
2837 my $runtime = "$LOCALDIR/runtime"; 3699 my $t0 = AE::time;
2838 3700
2839 # first touch the runtime file to show we are still running: 3701 # first touch the runtime file to show we are still running:
2840 # the fsync below can take a very very long time. 3702 # the fsync below can take a very very long time.
2841 3703
2842 IO::AIO::aio_utime $runtime, undef, undef; 3704 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843 3705
2844 my $guard = cf::lock_acquire "write_runtime"; 3706 my $guard = cf::lock_acquire "write_runtime";
2845 3707
2846 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3708 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2847 or return; 3709 or return;
2848 3710
2849 my $value = $cf::RUNTIME + 90 + 10; 3711 my $value = $cf::RUNTIME + 90 + 10;
2850 # 10 is the runtime save interval, for a monotonic clock 3712 # 10 is the runtime save interval, for a monotonic clock
2851 # 60 allows for the watchdog to kill the server. 3713 # 60 allows for the watchdog to kill the server.
2861 aio_utime $fh, undef, undef; 3723 aio_utime $fh, undef, undef;
2862 3724
2863 close $fh 3725 close $fh
2864 or return; 3726 or return;
2865 3727
2866 aio_rename "$runtime~", $runtime 3728 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867 and return; 3729 and return;
2868 3730
2869 warn "runtime file written.\n"; 3731 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2870 3732
2871 1 3733 1
3734}
3735
3736our $uuid_lock;
3737our $uuid_skip;
3738
3739sub write_uuid_sync($) {
3740 $uuid_skip ||= $_[0];
3741
3742 return if $uuid_lock;
3743 local $uuid_lock = 1;
3744
3745 my $uuid = "$LOCALDIR/uuid";
3746
3747 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3748 or return;
3749
3750 my $value = uuid_seq uuid_cur;
3751
3752 unless ($value) {
3753 info "cowardly refusing to write zero uuid value!\n";
3754 return;
3755 }
3756
3757 my $value = uuid_str $value + $uuid_skip;
3758 $uuid_skip = 0;
3759
3760 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3761 and return;
3762
3763 # always fsync - this file is important
3764 aio_fsync $fh
3765 and return;
3766
3767 close $fh
3768 or return;
3769
3770 aio_rename "$uuid~", $uuid
3771 and return;
3772
3773 trace "uuid file written ($value).\n";
3774
3775 1
3776
3777}
3778
3779sub write_uuid($$) {
3780 my ($skip, $sync) = @_;
3781
3782 $sync ? write_uuid_sync $skip
3783 : async { write_uuid_sync $skip };
2872} 3784}
2873 3785
2874sub emergency_save() { 3786sub emergency_save() {
2875 my $freeze_guard = cf::freeze_mainloop; 3787 my $freeze_guard = cf::freeze_mainloop;
2876 3788
2877 warn "enter emergency perl save\n"; 3789 info "emergency_perl_save: enter\n";
3790
3791 # this is a trade-off: we want to be very quick here, so
3792 # save all maps without fsync, and later call a global sync
3793 # (which in turn might be very very slow)
3794 local $USE_FSYNC = 0;
2878 3795
2879 cf::sync_job { 3796 cf::sync_job {
3797 cf::write_runtime_sync; # external watchdog should not bark
3798
2880 # use a peculiar iteration method to avoid tripping on perl 3799 # use a peculiar iteration method to avoid tripping on perl
2881 # refcount bugs in for. also avoids problems with players 3800 # refcount bugs in for. also avoids problems with players
2882 # and maps saved/destroyed asynchronously. 3801 # and maps saved/destroyed asynchronously.
2883 warn "begin emergency player save\n"; 3802 info "emergency_perl_save: begin player save\n";
2884 for my $login (keys %cf::PLAYER) { 3803 for my $login (keys %cf::PLAYER) {
2885 my $pl = $cf::PLAYER{$login} or next; 3804 my $pl = $cf::PLAYER{$login} or next;
2886 $pl->valid or next; 3805 $pl->valid or next;
3806 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887 $pl->save; 3807 $pl->save;
2888 } 3808 }
2889 warn "end emergency player save\n"; 3809 info "emergency_perl_save: end player save\n";
2890 3810
2891 warn "begin emergency map save\n"; 3811 cf::write_runtime_sync; # external watchdog should not bark
3812
3813 info "emergency_perl_save: begin map save\n";
2892 for my $path (keys %cf::MAP) { 3814 for my $path (keys %cf::MAP) {
2893 my $map = $cf::MAP{$path} or next; 3815 my $map = $cf::MAP{$path} or next;
2894 $map->valid or next; 3816 $map->valid or next;
2895 $map->save; 3817 $map->save;
2896 } 3818 }
2897 warn "end emergency map save\n"; 3819 info "emergency_perl_save: end map save\n";
2898 3820
2899 warn "begin emergency database checkpoint\n"; 3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin database checkpoint\n";
2900 BDB::db_env_txn_checkpoint $DB_ENV; 3824 BDB::db_env_txn_checkpoint $DB_ENV;
2901 warn "end emergency database checkpoint\n"; 3825 info "emergency_perl_save: end database checkpoint\n";
3826
3827 info "emergency_perl_save: begin write uuid\n";
3828 write_uuid_sync 1;
3829 info "emergency_perl_save: end write uuid\n";
3830
3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 trace "emergency_perl_save: syncing database to disk";
3834 BDB::db_env_txn_checkpoint $DB_ENV;
3835
3836 info "emergency_perl_save: starting sync\n";
3837 IO::AIO::aio_sync sub {
3838 info "emergency_perl_save: finished sync\n";
3839 };
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: flushing outstanding aio requests";
3844 while (IO::AIO::nreqs || BDB::nreqs) {
3845 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3846 }
3847
3848 cf::write_runtime_sync; # external watchdog should not bark
2902 }; 3849 };
2903 3850
2904 warn "leave emergency perl save\n"; 3851 info "emergency_perl_save: leave\n";
2905} 3852}
2906 3853
2907sub post_cleanup { 3854sub post_cleanup {
2908 my ($make_core) = @_; 3855 my ($make_core) = @_;
2909 3856
3857 IO::AIO::flush;
3858
2910 warn Carp::longmess "post_cleanup backtrace" 3859 error Carp::longmess "post_cleanup backtrace"
2911 if $make_core; 3860 if $make_core;
3861
3862 my $fh = pidfile;
3863 unlink $PIDFILE if <$fh> == $$;
3864}
3865
3866# a safer delete_package, copied from Symbol
3867sub clear_package($) {
3868 my $pkg = shift;
3869
3870 # expand to full symbol table name if needed
3871 unless ($pkg =~ /^main::.*::$/) {
3872 $pkg = "main$pkg" if $pkg =~ /^::/;
3873 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3874 $pkg .= '::' unless $pkg =~ /::$/;
3875 }
3876
3877 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3878 my $stem_symtab = *{$stem}{HASH};
3879
3880 defined $stem_symtab and exists $stem_symtab->{$leaf}
3881 or return;
3882
3883 # clear all symbols
3884 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3885 for my $name (keys %$leaf_symtab) {
3886 _gv_clear *{"$pkg$name"};
3887# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3888 }
2912} 3889}
2913 3890
2914sub do_reload_perl() { 3891sub do_reload_perl() {
2915 # can/must only be called in main 3892 # can/must only be called in main
2916 if ($Coro::current != $Coro::main) { 3893 unless (in_main) {
2917 warn "can only reload from main coroutine"; 3894 error "can only reload from main coroutine";
2918 return; 3895 return;
2919 } 3896 }
2920 3897
2921 warn "reloading..."; 3898 return if $RELOAD++;
2922 3899
2923 warn "entering sync_job"; 3900 my $t1 = AE::time;
2924 3901
3902 while ($RELOAD) {
3903 cf::get_slot 0.1, -1, "reload_perl";
3904 info "perl_reload: reloading...";
3905
3906 trace "perl_reload: entering sync_job";
3907
2925 cf::sync_job { 3908 cf::sync_job {
2926 cf::write_runtime; # external watchdog should not bark
2927 cf::emergency_save; 3909 #cf::emergency_save;
2928 cf::write_runtime; # external watchdog should not bark
2929 3910
2930 warn "syncing database to disk";
2931 BDB::db_env_txn_checkpoint $DB_ENV;
2932
2933 # if anything goes wrong in here, we should simply crash as we already saved
2934
2935 warn "cancelling all WF_AUTOCANCEL watchers";
2936 for (Event::all_watchers) {
2937 $_->cancel if $_->data & WF_AUTOCANCEL;
2938 }
2939
2940 warn "flushing outstanding aio requests";
2941 for (;;) {
2942 BDB::flush;
2943 IO::AIO::flush;
2944 Coro::cede;
2945 last unless IO::AIO::nreqs || BDB::nreqs;
2946 warn "iterate...";
2947 }
2948
2949 ++$RELOAD;
2950
2951 warn "cancelling all extension coros"; 3911 trace "perl_reload: cancelling all extension coros";
2952 $_->cancel for values %EXT_CORO; 3912 $_->cancel for values %EXT_CORO;
2953 %EXT_CORO = (); 3913 %EXT_CORO = ();
2954 3914
2955 warn "removing commands"; 3915 trace "perl_reload: removing commands";
2956 %COMMAND = (); 3916 %COMMAND = ();
2957 3917
2958 warn "removing ext/exti commands"; 3918 trace "perl_reload: removing ext/exti commands";
2959 %EXTCMD = (); 3919 %EXTCMD = ();
2960 %EXTICMD = (); 3920 %EXTICMD = ();
2961 3921
2962 warn "unloading/nuking all extensions"; 3922 trace "perl_reload: unloading/nuking all extensions";
2963 for my $pkg (@EXTS) { 3923 for my $pkg (@EXTS) {
2964 warn "... unloading $pkg"; 3924 trace "... unloading $pkg";
2965 3925
2966 if (my $cb = $pkg->can ("unload")) { 3926 if (my $cb = $pkg->can ("unload")) {
2967 eval { 3927 eval {
2968 $cb->($pkg); 3928 $cb->($pkg);
2969 1 3929 1
2970 } or warn "$pkg unloaded, but with errors: $@"; 3930 } or error "$pkg unloaded, but with errors: $@";
3931 }
3932
3933 trace "... clearing $pkg";
3934 clear_package $pkg;
2971 } 3935 }
2972 3936
2973 warn "... nuking $pkg";
2974 Symbol::delete_package $pkg;
2975 }
2976
2977 warn "unloading all perl modules loaded from $LIBDIR"; 3937 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2978 while (my ($k, $v) = each %INC) { 3938 while (my ($k, $v) = each %INC) {
2979 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3939 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980 3940
2981 warn "... unloading $k"; 3941 trace "... unloading $k";
2982 delete $INC{$k}; 3942 delete $INC{$k};
2983 3943
2984 $k =~ s/\.pm$//; 3944 $k =~ s/\.pm$//;
2985 $k =~ s/\//::/g; 3945 $k =~ s/\//::/g;
2986 3946
2987 if (my $cb = $k->can ("unload_module")) { 3947 if (my $cb = $k->can ("unload_module")) {
2988 $cb->(); 3948 $cb->();
3949 }
3950
3951 clear_package $k;
2989 } 3952 }
2990 3953
2991 Symbol::delete_package $k;
2992 }
2993
2994 warn "getting rid of safe::, as good as possible"; 3954 trace "perl_reload: getting rid of safe::, as good as possible";
2995 Symbol::delete_package "safe::$_" 3955 clear_package "safe::$_"
2996 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3956 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2997 3957
2998 warn "unloading cf.pm \"a bit\""; 3958 trace "perl_reload: unloading cf.pm \"a bit\"";
2999 delete $INC{"cf.pm"}; 3959 delete $INC{"cf.pm"};
3000 delete $INC{"cf/pod.pm"}; 3960 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3001 3961
3002 # don't, removes xs symbols, too, 3962 # don't, removes xs symbols, too,
3003 # and global variables created in xs 3963 # and global variables created in xs
3004 #Symbol::delete_package __PACKAGE__; 3964 #clear_package __PACKAGE__;
3005 3965
3006 warn "unload completed, starting to reload now"; 3966 info "perl_reload: unload completed, starting to reload now";
3007 3967
3008 warn "reloading cf.pm"; 3968 trace "perl_reload: reloading cf.pm";
3009 require cf; 3969 require cf;
3010 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3970 cf::_connect_to_perl_1;
3011 3971
3012 warn "loading config and database again"; 3972 trace "perl_reload: loading config and database again";
3013 cf::cfg_load; 3973 cf::reload_config;
3014 3974
3015 warn "loading extensions"; 3975 trace "perl_reload: loading extensions";
3016 cf::load_extensions; 3976 cf::load_extensions;
3017 3977
3978 if ($REATTACH_ON_RELOAD) {
3018 warn "reattaching attachments to objects/players"; 3979 trace "perl_reload: reattaching attachments to objects/players";
3019 _global_reattach; # objects, sockets 3980 _global_reattach; # objects, sockets
3020 warn "reattaching attachments to maps"; 3981 trace "perl_reload: reattaching attachments to maps";
3021 reattach $_ for values %MAP; 3982 reattach $_ for values %MAP;
3022 warn "reattaching attachments to players"; 3983 trace "perl_reload: reattaching attachments to players";
3023 reattach $_ for values %PLAYER; 3984 reattach $_ for values %PLAYER;
3985 }
3024 3986
3025 warn "leaving sync_job"; 3987 cf::_post_init 1;
3026 3988
3989 trace "perl_reload: leaving sync_job";
3990
3027 1 3991 1
3028 } or do { 3992 } or do {
3029 warn $@; 3993 error $@;
3030 warn "error while reloading, exiting."; 3994 cf::cleanup "perl_reload: error, exiting.";
3031 exit 1; 3995 };
3996
3997 --$RELOAD;
3032 }; 3998 }
3033 3999
3034 warn "reloaded"; 4000 $t1 = AE::time - $t1;
4001 info "perl_reload: completed in ${t1}s\n";
3035}; 4002};
3036 4003
3037our $RELOAD_WATCHER; # used only during reload 4004our $RELOAD_WATCHER; # used only during reload
3038 4005
3039sub reload_perl() { 4006sub reload_perl() {
3040 # doing reload synchronously and two reloads happen back-to-back, 4007 # doing reload synchronously and two reloads happen back-to-back,
3041 # coro crashes during coro_state_free->destroy here. 4008 # coro crashes during coro_state_free->destroy here.
3042 4009
3043 $RELOAD_WATCHER ||= Event->timer ( 4010 $RELOAD_WATCHER ||= cf::async {
3044 reentrant => 0, 4011 Coro::AIO::aio_wait cache_extensions;
3045 after => 0, 4012
3046 data => WF_AUTOCANCEL, 4013 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3047 cb => sub {
3048 do_reload_perl; 4014 do_reload_perl;
3049 undef $RELOAD_WATCHER; 4015 undef $RELOAD_WATCHER;
3050 }, 4016 };
3051 ); 4017 };
3052} 4018}
3053 4019
3054register_command "reload" => sub { 4020register_command "reload" => sub {
3055 my ($who, $arg) = @_; 4021 my ($who, $arg) = @_;
3056 4022
3057 if ($who->flag (FLAG_WIZ)) { 4023 if ($who->flag (FLAG_WIZ)) {
3058 $who->message ("reloading server."); 4024 $who->message ("reloading server.");
4025 async {
4026 $Coro::current->{desc} = "perl_reload";
3059 async { reload_perl }; 4027 reload_perl;
4028 };
3060 } 4029 }
3061}; 4030};
3062 4031
3063unshift @INC, $LIBDIR; 4032#############################################################################
3064 4033
3065my $bug_warning = 0; 4034my $bug_warning = 0;
3066 4035
3067our @WAIT_FOR_TICK; 4036our @WAIT_FOR_TICK;
3068our @WAIT_FOR_TICK_BEGIN; 4037our @WAIT_FOR_TICK_BEGIN;
3069 4038
3070sub wait_for_tick { 4039sub wait_for_tick() {
3071 return unless $TICK_WATCHER->is_active;
3072 return if $Coro::current == $Coro::main; 4040 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3073 4041
3074 my $signal = new Coro::Signal; 4042 my $signal = new Coro::Signal;
3075 push @WAIT_FOR_TICK, $signal; 4043 push @WAIT_FOR_TICK, $signal;
3076 $signal->wait; 4044 $signal->wait;
3077} 4045}
3078 4046
3079sub wait_for_tick_begin { 4047sub wait_for_tick_begin() {
3080 return unless $TICK_WATCHER->is_active;
3081 return if $Coro::current == $Coro::main; 4048 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3082 4049
3083 my $signal = new Coro::Signal; 4050 my $signal = new Coro::Signal;
3084 push @WAIT_FOR_TICK_BEGIN, $signal; 4051 push @WAIT_FOR_TICK_BEGIN, $signal;
3085 $signal->wait; 4052 $signal->wait;
3086} 4053}
3087 4054
3088 my $min = 1e6;#d# 4055sub tick {
3089 my $avg = 10;
3090$TICK_WATCHER = Event->timer (
3091 reentrant => 0,
3092 parked => 1,
3093 prio => 0,
3094 at => $NEXT_TICK || $TICK,
3095 data => WF_AUTOCANCEL,
3096 cb => sub {
3097 if ($Coro::current != $Coro::main) { 4056 if ($Coro::current != $Coro::main) {
3098 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4057 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099 unless ++$bug_warning > 10; 4058 unless ++$bug_warning > 10;
3100 return; 4059 return;
3101 } 4060 }
3102 4061
3103 $NOW = $tick_start = Event::time;
3104
3105 cf::server_tick; # one server iteration 4062 cf::server_tick; # one server iteration
3106 4063
3107 0 && sync_job {#d# 4064 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3108 for(1..10) {
3109 my $t = Event::time;
3110 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3111 or die;
3112 4065
3113 $map->width (50); 4066 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3114 $map->height (50); 4067 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3115 $map->alloc; 4068 Coro::async_pool {
3116 $map->_load_objects ("/tmp/x.map", 1); 4069 $Coro::current->{desc} = "runtime saver";
3117 my $t = Event::time - $t; 4070 write_runtime_sync
3118 4071 or error "ERROR: unable to write runtime file: $!";
3119 #next unless $t < 0.0013;#d#
3120 if ($t < $min) {
3121 $min = $t;
3122 }
3123 $avg = $avg * 0.99 + $t * 0.01;
3124 }
3125 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126 exit 0;
3127 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128 }; 4072 };
4073 }
3129 4074
3130 $RUNTIME += $TICK;
3131 $NEXT_TICK += $TICK;
3132
3133 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134 $NEXT_RUNTIME_WRITE = $NOW + 10;
3135 Coro::async_pool {
3136 write_runtime
3137 or warn "ERROR: unable to write runtime file: $!";
3138 };
3139 }
3140
3141# my $AFTER = Event::time;
3142# warn $AFTER - $NOW;#d#
3143
3144 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4075 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145 $sig->send; 4076 $sig->send;
3146 } 4077 }
3147 while (my $sig = shift @WAIT_FOR_TICK) { 4078 while (my $sig = shift @WAIT_FOR_TICK) {
3148 $sig->send; 4079 $sig->send;
3149 } 4080 }
3150 4081
3151 $NOW = Event::time; 4082 $LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153 # if we are delayed by four ticks or more, skip them all
3154 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156 $TICK_WATCHER->at ($NEXT_TICK);
3157 $TICK_WATCHER->start;
3158
3159 $LOAD = ($NOW - $tick_start) / $TICK;
3160 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4083 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161 4084
3162 _post_tick; 4085 if (0) {
3163 4086 if ($NEXT_TICK) {
3164 4087 my $jitter = $TICK_START - $NEXT_TICK;
4088 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4089 debug "jitter $JITTER\n";#d#
4090 }
3165 }, 4091 }
3166); 4092}
3167 4093
3168{ 4094{
3169 BDB::max_poll_time $TICK * 0.1; 4095 # configure BDB
3170 $BDB_POLL_WATCHER = Event->io ( 4096
3171 reentrant => 0,
3172 fd => BDB::poll_fileno,
3173 poll => 'r',
3174 prio => 0,
3175 data => WF_AUTOCANCEL,
3176 cb => \&BDB::poll_cb,
3177 );
3178 BDB::min_parallel 8; 4097 BDB::min_parallel 16;
3179 4098 BDB::max_poll_reqs $TICK * 0.1;
3180 BDB::set_sync_prepare { 4099 $AnyEvent::BDB::WATCHER->priority (1);
3181 my $status;
3182 my $current = $Coro::current;
3183 (
3184 sub {
3185 $status = $!;
3186 $current->ready; undef $current;
3187 },
3188 sub {
3189 Coro::schedule while defined $current;
3190 $! = $status;
3191 },
3192 )
3193 };
3194 4100
3195 unless ($DB_ENV) { 4101 unless ($DB_ENV) {
3196 $DB_ENV = BDB::db_env_create; 4102 $DB_ENV = BDB::db_env_create;
4103 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4104 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4105 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4106 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4107 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3197 4108
3198 cf::sync_job { 4109 cf::sync_job {
3199 eval { 4110 eval {
3200 BDB::db_env_open 4111 BDB::db_env_open
3201 $DB_ENV, 4112 $DB_ENV,
3203 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4114 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4115 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205 0666; 4116 0666;
3206 4117
3207 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4118 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210 $DB_ENV->set_lk_detect;
3211 }; 4119 };
3212 4120
3213 cf::cleanup "db_env_open(db): $@" if $@; 4121 cf::cleanup "db_env_open(db): $@" if $@;
3214 }; 4122 };
3215 } 4123 }
4124
4125 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4126 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4127 };
4128 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4129 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4130 };
4131 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4132 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4133 };
3216} 4134}
3217 4135
3218{ 4136{
4137 # configure IO::AIO
4138
3219 IO::AIO::min_parallel 8; 4139 IO::AIO::min_parallel 8;
3220
3221 undef $Coro::AIO::WATCHER;
3222 IO::AIO::max_poll_time $TICK * 0.1; 4140 IO::AIO::max_poll_time $TICK * 0.1;
3223 $AIO_POLL_WATCHER = Event->io ( 4141 undef $AnyEvent::AIO::WATCHER;
3224 reentrant => 0,
3225 data => WF_AUTOCANCEL,
3226 fd => IO::AIO::poll_fileno,
3227 poll => 'r',
3228 prio => 6,
3229 cb => \&IO::AIO::poll_cb,
3230 );
3231} 4142}
3232 4143
3233my $_log_backtrace; 4144our $_log_backtrace;
4145our $_log_backtrace_last;
3234 4146
3235sub _log_backtrace { 4147sub _log_backtrace {
3236 my ($msg, @addr) = @_; 4148 my ($msg, @addr) = @_;
3237 4149
3238 $msg =~ s/\n//; 4150 $msg =~ s/\n$//;
3239 4151
4152 if ($_log_backtrace_last eq $msg) {
4153 LOG llevInfo, "[ABT] $msg\n";
4154 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3240 # limit the # of concurrent backtraces 4155 # limit the # of concurrent backtraces
3241 if ($_log_backtrace < 2) { 4156 } elsif ($_log_backtrace < 2) {
4157 $_log_backtrace_last = $msg;
3242 ++$_log_backtrace; 4158 ++$_log_backtrace;
4159 my $perl_bt = Carp::longmess $msg;
3243 async { 4160 async {
4161 $Coro::current->{desc} = "abt $msg";
4162
3244 my @bt = fork_call { 4163 my @bt = fork_call {
3245 @addr = map { sprintf "%x", $_ } @addr; 4164 @addr = map { sprintf "%x", $_ } @addr;
3246 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4165 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4166 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3248 or die "addr2line: $!"; 4167 or die "addr2line: $!";
3256 } 4175 }
3257 4176
3258 @funcs 4177 @funcs
3259 }; 4178 };
3260 4179
3261 LOG llevInfo, "[ABT] $msg\n"; 4180 LOG llevInfo, "[ABT] $perl_bt\n";
4181 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262 LOG llevInfo, "[ABT] $_\n" for @bt; 4182 LOG llevInfo, "[ABT] $_\n" for @bt;
3263 --$_log_backtrace; 4183 --$_log_backtrace;
3264 }; 4184 };
3265 } else { 4185 } else {
3266 LOG llevInfo, "[ABT] $msg\n"; 4186 LOG llevInfo, "[ABT] $msg\n";
3267 LOG llevInfo, "[ABT] [suppressed]\n"; 4187 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3268 } 4188 }
3269} 4189}
3270 4190
3271# load additional modules 4191# load additional modules
3272use cf::pod; 4192require "cf/$_.pm" for @EXTRA_MODULES;
4193cf::_connect_to_perl_2;
3273 4194
3274END { cf::emergency_save } 4195END { cf::emergency_save }
3275 4196
32761 41971
3277 4198

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