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Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 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 1 while s/\s*\n\s*\n\s*/\n/;
1418
1419 $_
1420}
1421
1422sub hintmode {
1423 $_[0]{hintmode} = $_[1] if @_ > 1;
1424 $_[0]{hintmode}
1425}
1426
1427=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1428 1787
1429Sends an ext reply to the player. 1788Sends an ext reply to the player.
1430 1789
1431=cut 1790=cut
1432 1791
1433sub ext_reply($$%) { 1792sub ext_reply($$@) {
1434 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1435 1794
1436 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1437 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438} 1796}
1439 1797
1440=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1441 1799
1442Sends an ext event to the client. 1800Sends an ext event to the client.
1443 1801
1444=cut 1802=cut
1445 1803
1446sub ext_event($$%) { 1804sub ext_msg($$@) {
1447 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1448 1806
1449 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1450} 1808}
1451 1809
1452=head3 cf::region 1810=head3 cf::region
1453 1811
1454=over 4 1812=over 4
1464=cut 1822=cut
1465 1823
1466sub find_by_path($) { 1824sub find_by_path($) {
1467 my ($path) = @_; 1825 my ($path) = @_;
1468 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1469 my ($match, $specificity); 1829 my ($match, $specificity);
1470 1830
1471 for my $region (list) { 1831 for my $region (list) {
1472 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1473 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1474 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1475 } 1835 }
1476 } 1836 }
1477 1837
1498our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1499our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1500 1860
1501sub generate_random_map { 1861sub generate_random_map {
1502 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1503 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1504 $self->_create_random_map ( 1867 $self->_create_random_map (
1505 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1507 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1509 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1510 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1526 1889
1527sub register { 1890sub register {
1528 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1529 my $pkg = caller; 1892 my $pkg = caller;
1530 1893
1531 no strict;
1532 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1533 1895
1534 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1535} 1897}
1536 1898
1537# also paths starting with '/' 1899# also paths starting with '/'
1538$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1539 1901
1540sub thawer_merge { 1902sub thawer_merge {
1541 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1542 1904
1543 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1548} 1910}
1549 1911
1550sub normalise { 1912sub normalise {
1551 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1552 1914
1553 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1554 1916
1555 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1556 1918
1557 # map plan: 1919 # map plan:
1558 # 1920 #
1573 $base =~ s{[^/]+/?$}{}; 1935 $base =~ s{[^/]+/?$}{};
1574 $path = "$base/$path"; 1936 $path = "$base/$path";
1575 } 1937 }
1576 1938
1577 for ($path) { 1939 for ($path) {
1578 redo if s{//}{/};
1579 redo if s{/\.?/}{/}; 1940 redo if s{/\.?/}{/};
1580 redo if s{/[^/]+/\.\./}{/}; 1941 redo if s{/[^/]+/\.\./}{/};
1581 } 1942 }
1582 1943
1583 $path 1944 $path
1597 $self->init; # pass $1 etc. 1958 $self->init; # pass $1 etc.
1598 return $self; 1959 return $self;
1599 } 1960 }
1600 } 1961 }
1601 1962
1602 Carp::carp "unable to resolve path '$path' (base '$base')."; 1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1603 () 1964 ()
1604} 1965}
1605 1966
1606sub init { 1967sub init {
1607 my ($self) = @_; 1968 my ($self) = @_;
1629 1990
1630# the temporary/swap location 1991# the temporary/swap location
1631sub save_path { 1992sub save_path {
1632 my ($self) = @_; 1993 my ($self) = @_;
1633 1994
1634 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635 "$TMPDIR/$path.map" 1996 "$TMPDIR/$path.map"
1636} 1997}
1637 1998
1638# the unique path, undef == no special unique path 1999# the unique path, undef == no special unique path
1639sub uniq_path { 2000sub uniq_path {
1640 my ($self) = @_; 2001 my ($self) = @_;
1641 2002
1642 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643 "$UNIQUEDIR/$path" 2004 "$UNIQUEDIR/$path"
1644}
1645
1646# and all this just because we cannot iterate over
1647# all maps in C++...
1648sub change_all_map_light {
1649 my ($change) = @_;
1650
1651 $_->change_map_light ($change)
1652 for grep $_->outdoor, values %cf::MAP;
1653} 2005}
1654 2006
1655sub decay_objects { 2007sub decay_objects {
1656 my ($self) = @_; 2008 my ($self) = @_;
1657 2009
1670 2022
1671sub load_header_from($) { 2023sub load_header_from($) {
1672 my ($self, $path) = @_; 2024 my ($self, $path) = @_;
1673 2025
1674 utf8::encode $path; 2026 utf8::encode $path;
1675 #aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1676 # or return;
1677
1678 $self->_load_header ($path)
1679 or return; 2028 or return;
2029
2030 $self->_load_header ($f)
2031 or return;
2032
2033 local $MAP_LOADING{$self->{path}} = $self;
2034 $f->resolve_delayed_derefs;
1680 2035
1681 $self->{load_path} = $path; 2036 $self->{load_path} = $path;
1682 2037
1683 1 2038 1
1684} 2039}
1736 2091
1737sub find; 2092sub find;
1738sub find { 2093sub find {
1739 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1740 2095
2096 cf::cede_to_tick;
2097
1741 $path = normalise $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1742 2099
2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743 cf::lock_wait "map_find:$path"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1744 2102
1745 $cf::MAP{$path} || do { 2103 $cf::MAP{$path} || do {
1746 my $guard = cf::lock_acquire "map_find:$path";
1747 my $map = new_from_path cf::map $path 2104 my $map = new_from_path cf::map $path
1748 or return; 2105 or return;
1749 2106
1750 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1751 2108
1753 or return; 2110 or return;
1754 2111
1755 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756 # doing this can freeze the server in a sync job, obviously 2113 # doing this can freeze the server in a sync job, obviously
1757 #$cf::WAIT_FOR_TICK->wait; 2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1758 $map->reset; 2117 $map->reset;
1759 undef $guard;
1760 return find $path; 2118 return find $path;
1761 } 2119 }
1762 2120
1763 $cf::MAP{$path} = $map 2121 $cf::MAP{$path} = $map
1764 } 2122 }
1765} 2123}
1766 2124
1767sub pre_load { } 2125sub pre_load { }
1768sub post_load { } 2126#sub post_load { } # XS
1769 2127
1770sub load { 2128sub load {
1771 my ($self) = @_; 2129 my ($self) = @_;
1772 2130
1773 local $self->{deny_reset} = 1; # loading can take a long time 2131 local $self->{deny_reset} = 1; # loading can take a long time
1774 2132
1775 my $path = $self->{path}; 2133 my $path = $self->{path};
1776 2134
1777 { 2135 {
1778 my $guard = cf::lock_acquire "map_load:$path"; 2136 my $guard = cf::lock_acquire "map_data:$path";
1779 2137
2138 return unless $self->valid;
1780 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1781 2140
1782 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1783 2142
1784 $self->alloc; 2143 $self->alloc;
1785 2144
1786 $self->pre_load; 2145 $self->pre_load;
1787 Coro::cede; 2146 cf::cede_to_tick;
1788 2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
1789 $self->_load_objects ($self->{load_path}, 1) 2150 $self->_load_objects ($f)
1790 or return; 2151 or return;
1791 2152
1792 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1793 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1794 2155
1795 if (my $uniq = $self->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1796 utf8::encode $uniq; 2157 utf8::encode $uniq;
1797 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1798 $self->clear_unique_items; 2160 $self->clear_unique_items;
1799 $self->_load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1800 } 2164 }
1801 } 2165 }
1802 2166
1803 Coro::cede; 2167 $f->resolve_delayed_derefs;
2168
2169 cf::cede_to_tick;
1804 # now do the right thing for maps 2170 # now do the right thing for maps
1805 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1806 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1807 unless $self->difficulty; 2173 unless $self->difficulty;
1808 Coro::cede; 2174 cf::cede_to_tick;
1809 2175
1810 unless ($self->{deny_activate}) { 2176 unless ($self->{deny_activate}) {
1811 $self->decay_objects; 2177 $self->decay_objects;
1812 $self->fix_auto_apply; 2178 $self->fix_auto_apply;
1813 $self->update_buttons; 2179 $self->update_buttons;
1814 Coro::cede; 2180 cf::cede_to_tick;
1815 $self->set_darkness_map;
1816 Coro::cede;
1817 $self->activate; 2181 $self->activate;
1818 } 2182 }
1819 2183
2184 $self->{last_save} = $cf::RUNTIME;
2185 $self->last_access ($cf::RUNTIME);
2186
1820 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
1821 } 2188 }
1822 2189
1823 $self->post_load; 2190 $self->post_load;
1824} 2191}
1825 2192
2193# customize the map for a given player, i.e.
2194# return the _real_ map. used by e.g. per-player
2195# maps to change the path to ~playername/mappath
1826sub customise_for { 2196sub customise_for {
1827 my ($self, $ob) = @_; 2197 my ($self, $ob) = @_;
1828 2198
1829 return find "~" . $ob->name . "/" . $self->{path} 2199 return find "~" . $ob->name . "/" . $self->{path}
1830 if $self->per_player; 2200 if $self->per_player;
1834 2204
1835 $self 2205 $self
1836} 2206}
1837 2207
1838# find and load all maps in the 3x3 area around a map 2208# find and load all maps in the 3x3 area around a map
1839sub load_diag { 2209sub load_neighbours {
1840 my ($map) = @_; 2210 my ($map) = @_;
1841 2211
1842 my @diag; # diagonal neighbours 2212 my @neigh; # diagonal neighbours
1843 2213
1844 for (0 .. 3) { 2214 for (0 .. 3) {
1845 my $neigh = $map->tile_path ($_) 2215 my $neigh = $map->tile_path ($_)
1846 or next; 2216 or next;
1847 $neigh = find $neigh, $map 2217 $neigh = find $neigh, $map
1848 or next; 2218 or next;
1849 $neigh->load; 2219 $neigh->load;
1850 2220
2221 # now find the diagonal neighbours
2222 push @neigh,
1851 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2223 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1852 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2224 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1853 } 2225 }
1854 2226
1855 for (@diag) { 2227 for (grep defined $_->[0], @neigh) {
2228 my ($path, $origin) = @$_;
1856 my $neigh = find @$_ 2229 my $neigh = find $path, $origin
1857 or next; 2230 or next;
1858 $neigh->load; 2231 $neigh->load;
1859 } 2232 }
1860} 2233}
1861 2234
1862sub find_sync { 2235sub find_sync {
1863 my ($path, $origin) = @_; 2236 my ($path, $origin) = @_;
1864 2237
1865 cf::sync_job { find $path, $origin } 2238 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2239 if $Coro::current == $Coro::main;
2240
2241 find $path, $origin
1866} 2242}
1867 2243
1868sub do_load_sync { 2244sub do_load_sync {
1869 my ($map) = @_; 2245 my ($map) = @_;
1870 2246
1871 cf::sync_job { $map->load }; 2247 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2248 if $Coro::current == $Coro::main;
2249
2250 $map->load;
1872} 2251}
1873 2252
1874our %MAP_PREFETCH; 2253our %MAP_PREFETCH;
1875our $MAP_PREFETCHER = undef; 2254our $MAP_PREFETCHER = undef;
1876 2255
1877sub find_async { 2256sub find_async {
1878 my ($path, $origin) = @_; 2257 my ($path, $origin, $load) = @_;
1879 2258
1880 $path = normalise $path, $origin && $origin->{path}; 2259 $path = normalise $path, $origin && $origin->{path};
1881 2260
1882 if (my $map = $cf::MAP{$path}) { 2261 if (my $map = $cf::MAP{$path}) {
1883 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2262 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884 } 2263 }
1885 2264
1886 undef $MAP_PREFETCH{$path}; 2265 $MAP_PREFETCH{$path} |= $load;
2266
1887 $MAP_PREFETCHER ||= cf::async { 2267 $MAP_PREFETCHER ||= cf::async {
2268 $Coro::current->{desc} = "map prefetcher";
2269
1888 while (%MAP_PREFETCH) { 2270 while (%MAP_PREFETCH) {
1889 for my $path (keys %MAP_PREFETCH) { 2271 while (my ($k, $v) = each %MAP_PREFETCH) {
1890 my $map = find $path 2272 if (my $map = find $k) {
1891 or next;
1892 $map->load; 2273 $map->load if $v;
2274 }
1893 2275
1894 delete $MAP_PREFETCH{$path}; 2276 delete $MAP_PREFETCH{$k};
1895 } 2277 }
1896 } 2278 }
1897 undef $MAP_PREFETCHER; 2279 undef $MAP_PREFETCHER;
1898 }; 2280 };
1899 $MAP_PREFETCHER->prio (6); 2281 $MAP_PREFETCHER->prio (6);
1900 2282
1901 () 2283 ()
1902} 2284}
1903 2285
2286# common code, used by both ->save and ->swapout
1904sub save { 2287sub _save {
1905 my ($self) = @_; 2288 my ($self) = @_;
1906
1907 my $lock = cf::lock_acquire "map_data:" . $self->path;
1908 2289
1909 $self->{last_save} = $cf::RUNTIME; 2290 $self->{last_save} = $cf::RUNTIME;
1910 2291
1911 return unless $self->dirty; 2292 return unless $self->dirty;
1912 2293
1918 return if $self->{deny_save}; 2299 return if $self->{deny_save};
1919 2300
1920 local $self->{last_access} = $self->last_access;#d# 2301 local $self->{last_access} = $self->last_access;#d#
1921 2302
1922 cf::async { 2303 cf::async {
2304 $Coro::current->{desc} = "map player save";
1923 $_->contr->save for $self->players; 2305 $_->contr->save for $self->players;
1924 }; 2306 };
2307
2308 cf::get_slot 0.02;
1925 2309
1926 if ($uniq) { 2310 if ($uniq) {
1927 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2311 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2312 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1929 } else { 2313 } else {
1930 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931 } 2315 }
1932} 2316}
1933 2317
2318sub save {
2319 my ($self) = @_;
2320
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
2323 $self->_save;
2324}
2325
1934sub swap_out { 2326sub swap_out {
1935 my ($self) = @_; 2327 my ($self) = @_;
1936 2328
1937 # save first because save cedes
1938 $self->save;
1939
1940 my $lock = cf::lock_acquire "map_data:" . $self->path; 2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
1941 2330
2331 return if $self->in_memory != cf::MAP_ACTIVE;
2332 return if $self->{deny_save};
1942 return if $self->players; 2333 return if $self->players;
1943 return if $self->in_memory != cf::MAP_IN_MEMORY;
1944 return if $self->{deny_save};
1945 2334
2335 # first deactivate the map and "unlink" it from the core
2336 $self->deactivate;
2337 $_->clear_links_to ($self) for values %cf::MAP;
2338 $self->in_memory (cf::MAP_SWAPPED);
2339
2340 # then atomically save
2341 $self->_save;
2342
2343 # then free the map
1946 $self->clear; 2344 $self->clear;
1947 $self->in_memory (cf::MAP_SWAPPED);
1948} 2345}
1949 2346
1950sub reset_at { 2347sub reset_at {
1951 my ($self) = @_; 2348 my ($self) = @_;
1952 2349
1970 2367
1971 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2368 my $lock = cf::lock_acquire "map_data:$self->{path}";
1972 2369
1973 return if $self->players; 2370 return if $self->players;
1974 2371
1975 warn "resetting map ", $self->path; 2372 cf::trace "resetting map ", $self->path, "\n";
1976 2373
1977 $self->in_memory (cf::MAP_SWAPPED); 2374 $self->in_memory (cf::MAP_SWAPPED);
1978 2375
1979 # need to save uniques path 2376 # need to save uniques path
1980 unless ($self->{deny_save}) { 2377 unless ($self->{deny_save}) {
1984 if $uniq; 2381 if $uniq;
1985 } 2382 }
1986 2383
1987 delete $cf::MAP{$self->path}; 2384 delete $cf::MAP{$self->path};
1988 2385
2386 $self->deactivate;
2387 $_->clear_links_to ($self) for values %cf::MAP;
1989 $self->clear; 2388 $self->clear;
1990
1991 $_->clear_links_to ($self) for values %cf::MAP;
1992 2389
1993 $self->unlink_save; 2390 $self->unlink_save;
1994 $self->destroy; 2391 $self->destroy;
1995} 2392}
1996 2393
1997my $nuke_counter = "aaaa"; 2394my $nuke_counter = "aaaa";
1998 2395
1999sub nuke { 2396sub nuke {
2000 my ($self) = @_; 2397 my ($self) = @_;
2001 2398
2399 {
2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
2401
2002 delete $cf::MAP{$self->path}; 2402 delete $cf::MAP{$self->path};
2003 2403
2004 $self->unlink_save; 2404 $self->unlink_save;
2005 2405
2006 bless $self, "cf::map"; 2406 bless $self, "cf::map::wrap";
2007 delete $self->{deny_reset}; 2407 delete $self->{deny_reset};
2008 $self->{deny_save} = 1; 2408 $self->{deny_save} = 1;
2009 $self->reset_timeout (1); 2409 $self->reset_timeout (1);
2010 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2410 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011 2411
2012 $cf::MAP{$self->path} = $self; 2412 $cf::MAP{$self->path} = $self;
2413 }
2013 2414
2014 $self->reset; # polite request, might not happen 2415 $self->reset; # polite request, might not happen
2015} 2416}
2016 2417
2017=item $maps = cf::map::tmp_maps 2418=item $maps = cf::map::tmp_maps
2059 2460
2060sub unique_maps() { 2461sub unique_maps() {
2061 [ 2462 [
2062 map { 2463 map {
2063 utf8::decode $_; 2464 utf8::decode $_;
2064 /\.map$/ 2465 s/\.map$//; # TODO future compatibility hack
2466 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2467 ? ()
2065 ? normalise $_ 2468 : normalise $_
2066 : ()
2067 } @{ aio_readdir $UNIQUEDIR or [] } 2469 } @{ aio_readdir $UNIQUEDIR or [] }
2068 ] 2470 ]
2069} 2471}
2070 2472
2071package cf; 2473=item cf::map::static_maps
2474
2475Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2476file in the shared directory excluding F</styles> and F</editor>). May
2477block.
2478
2479=cut
2480
2481sub static_maps() {
2482 my @dirs = "";
2483 my @maps;
2484
2485 while (@dirs) {
2486 my $dir = shift @dirs;
2487
2488 next if $dir eq "/styles" || $dir eq "/editor";
2489
2490 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2491 or return;
2492
2493 for (@$files) {
2494 s/\.map$// or next;
2495 utf8::decode $_;
2496 push @maps, "$dir/$_";
2497 }
2498
2499 push @dirs, map "$dir/$_", @$dirs;
2500 }
2501
2502 \@maps
2503}
2072 2504
2073=back 2505=back
2074 2506
2075=head3 cf::object 2507=head3 cf::object
2076 2508
2080 2512
2081=over 4 2513=over 4
2082 2514
2083=item $ob->inv_recursive 2515=item $ob->inv_recursive
2084 2516
2085Returns the inventory of the object _and_ their inventories, recursively. 2517Returns the inventory of the object I<and> their inventories, recursively,
2518but I<not> the object itself.
2086 2519
2087=cut 2520=cut
2088 2521
2089sub inv_recursive_; 2522sub inv_recursive_;
2090sub inv_recursive_ { 2523sub inv_recursive_ {
2093 2526
2094sub inv_recursive { 2527sub inv_recursive {
2095 inv_recursive_ inv $_[0] 2528 inv_recursive_ inv $_[0]
2096} 2529}
2097 2530
2531=item $ref = $ob->ref
2532
2533Creates and returns a persistent reference to an object that can be stored as a string.
2534
2535=item $ob = cf::object::deref ($refstring)
2536
2537returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2538even if the object actually exists. May block.
2539
2540=cut
2541
2542sub deref {
2543 my ($ref) = @_;
2544
2545 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2546 my ($uuid, $name) = ($1, $2);
2547 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2548 or return;
2549 $pl->ob->uuid eq $uuid
2550 or return;
2551
2552 $pl->ob
2553 } else {
2554 warn "$ref: cannot resolve object reference\n";
2555 undef
2556 }
2557}
2558
2098package cf; 2559package cf;
2099 2560
2100=back 2561=back
2101 2562
2102=head3 cf::object::player 2563=head3 cf::object::player
2108Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2569Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109can be C<undef>. Does the right thing when the player is currently in a 2570can be C<undef>. Does the right thing when the player is currently in a
2110dialogue with the given NPC character. 2571dialogue with the given NPC character.
2111 2572
2112=cut 2573=cut
2574
2575our $SAY_CHANNEL = {
2576 id => "say",
2577 title => "Map",
2578 reply => "say ",
2579 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2580};
2581
2582our $CHAT_CHANNEL = {
2583 id => "chat",
2584 title => "Chat",
2585 reply => "chat ",
2586 tooltip => "Player chat and shouts, global to the server.",
2587};
2113 2588
2114# rough implementation of a future "reply" method that works 2589# rough implementation of a future "reply" method that works
2115# with dialog boxes. 2590# with dialog boxes.
2116#TODO: the first argument must go, split into a $npc->reply_to ( method 2591#TODO: the first argument must go, split into a $npc->reply_to ( method
2117sub cf::object::player::reply($$$;$) { 2592sub cf::object::player::reply($$$;$) {
2124 2599
2125 } else { 2600 } else {
2126 my $pl = $self->contr; 2601 my $pl = $self->contr;
2127 2602
2128 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2603 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129 my $diag = $pl->{npc_dialog}; 2604 my $dialog = $pl->{npc_dialog};
2130 $diag->{pl}->ext_reply ( 2605 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131 $diag->{id},
2132 msgtype => "reply",
2133 msg => $diag->{pl}->expand_cfpod ($msg),
2134 add_topics => []
2135 );
2136 2606
2137 } else { 2607 } else {
2138 $msg = $npc->name . " says: $msg" if $npc; 2608 $msg = $npc->name . " says: $msg" if $npc;
2139 $self->message ($msg, $flags); 2609 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140 } 2610 }
2141 } 2611 }
2612}
2613
2614=item $object->send_msg ($channel, $msg, $color, [extra...])
2615
2616=cut
2617
2618sub cf::object::send_msg {
2619 my $pl = shift->contr
2620 or return;
2621 $pl->send_msg (@_);
2142} 2622}
2143 2623
2144=item $player_object->may ("access") 2624=item $player_object->may ("access")
2145 2625
2146Returns wether the given player is authorized to access resource "access" 2626Returns wether the given player is authorized to access resource "access"
2159 2639
2160=item $player_object->enter_link 2640=item $player_object->enter_link
2161 2641
2162Freezes the player and moves him/her to a special map (C<{link}>). 2642Freezes the player and moves him/her to a special map (C<{link}>).
2163 2643
2164The player should be reasonably safe there for short amounts of time. You 2644The player should be reasonably safe there for short amounts of time (e.g.
2165I<MUST> call C<leave_link> as soon as possible, though. 2645for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2646though, as the player cannot control the character while it is on the link
2647map.
2166 2648
2167Will never block. 2649Will never block.
2168 2650
2169=item $player_object->leave_link ($map, $x, $y) 2651=item $player_object->leave_link ($map, $x, $y)
2170 2652
2190sub cf::object::player::enter_link { 2672sub cf::object::player::enter_link {
2191 my ($self) = @_; 2673 my ($self) = @_;
2192 2674
2193 $self->deactivate_recursive; 2675 $self->deactivate_recursive;
2194 2676
2677 ++$self->{_link_recursion};
2678
2195 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2679 return if UNIVERSAL::isa $self->map, "ext::map_link";
2196 2680
2197 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2198 if $self->map && $self->map->{path} ne "{link}"; 2682 if $self->map && $self->map->{path} ne "{link}";
2199 2683
2200 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2684 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2201} 2685}
2202 2686
2203sub cf::object::player::leave_link { 2687sub cf::object::player::leave_link {
2204 my ($self, $map, $x, $y) = @_; 2688 my ($self, $map, $x, $y) = @_;
2205 2689
2222 ($x, $y) = (-1, -1) 2706 ($x, $y) = (-1, -1)
2223 unless (defined $x) && (defined $y); 2707 unless (defined $x) && (defined $y);
2224 2708
2225 # use -1 or undef as default coordinates, not 0, 0 2709 # use -1 or undef as default coordinates, not 0, 0
2226 ($x, $y) = ($map->enter_x, $map->enter_y) 2710 ($x, $y) = ($map->enter_x, $map->enter_y)
2227 if $x <=0 && $y <= 0; 2711 if $x <= 0 && $y <= 0;
2228 2712
2229 $map->load; 2713 $map->load;
2230 $map->load_diag; 2714 $map->load_neighbours;
2231 2715
2232 return unless $self->contr->active; 2716 return unless $self->contr->active;
2233 $self->activate_recursive;
2234 2717
2235 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2718 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236 $self->enter_map ($map, $x, $y); 2719 if ($self->enter_map ($map, $x, $y)) {
2237} 2720 # entering was successful
2721 delete $self->{_link_recursion};
2722 # only activate afterwards, to support waiting in hooks
2723 $self->activate_recursive;
2724 }
2238 2725
2726}
2727
2239=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2728=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2240 2729
2241Moves the player to the given map-path and coordinates by first freezing 2730Moves the player to the given map-path and coordinates by first freezing
2242her, loading and preparing them map, calling the provided $check callback 2731her, loading and preparing them map, calling the provided $check callback
2243that has to return the map if sucecssful, and then unfreezes the player on 2732that has to return the map if sucecssful, and then unfreezes the player on
2244the new (success) or old (failed) map position. 2733the new (success) or old (failed) map position. In either case, $done will
2734be called at the end of this process.
2735
2736Note that $check will be called with a potentially non-loaded map, so if
2737it needs a loaded map it has to call C<< ->load >>.
2245 2738
2246=cut 2739=cut
2247 2740
2248our $GOTOGEN; 2741our $GOTOGEN;
2249 2742
2250sub cf::object::player::goto { 2743sub cf::object::player::goto {
2251 my ($self, $path, $x, $y, $check) = @_; 2744 my ($self, $path, $x, $y, $check, $done) = @_;
2745
2746 if ($self->{_link_recursion} >= $MAX_LINKS) {
2747 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2748 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2749 ($path, $x, $y) = @$EMERGENCY_POSITION;
2750 }
2252 2751
2253 # do generation counting so two concurrent goto's will be executed in-order 2752 # do generation counting so two concurrent goto's will be executed in-order
2254 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2753 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255 2754
2256 $self->enter_link; 2755 $self->enter_link;
2257 2756
2258 (async { 2757 (async {
2758 $Coro::current->{desc} = "player::goto $path $x $y";
2759
2760 # *tag paths override both path and x|y
2761 if ($path =~ /^\*(.*)$/) {
2762 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2763 my $ob = $obs[rand @obs];
2764
2765 # see if we actually can go there
2766 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2767 $ob = $obs[rand @obs];
2768 } else {
2769 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2770 }
2771 # else put us there anyways for now #d#
2772
2773 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2774 } else {
2775 ($path, $x, $y) = (undef, undef, undef);
2776 }
2777 }
2778
2259 my $map = eval { 2779 my $map = eval {
2260 my $map = cf::map::find $path; 2780 my $map = defined $path ? cf::map::find $path : undef;
2261 2781
2262 if ($map) { 2782 if ($map) {
2263 $map = $map->customise_for ($self); 2783 $map = $map->customise_for ($self);
2264 $map = $check->($map) if $check && $map; 2784 $map = $check->($map, $x, $y, $self) if $check && $map;
2265 } else { 2785 } else {
2266 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2786 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267 } 2787 }
2268 2788
2269 $map 2789 $map
2270 }; 2790 };
2271 2791
2276 2796
2277 if ($gen == $self->{_goto_generation}) { 2797 if ($gen == $self->{_goto_generation}) {
2278 delete $self->{_goto_generation}; 2798 delete $self->{_goto_generation};
2279 $self->leave_link ($map, $x, $y); 2799 $self->leave_link ($map, $x, $y);
2280 } 2800 }
2801
2802 $done->($self) if $done;
2281 })->prio (1); 2803 })->prio (1);
2282} 2804}
2283 2805
2284=item $player_object->enter_exit ($exit_object) 2806=item $player_object->enter_exit ($exit_object)
2285 2807
2305} 2827}
2306 2828
2307sub prepare_random_map { 2829sub prepare_random_map {
2308 my ($exit) = @_; 2830 my ($exit) = @_;
2309 2831
2310 my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312 # all this does is basically replace the /! path by 2832 # all this does is basically replace the /! path by
2313 # a new random map path (?random/...) with a seed 2833 # a new random map path (?random/...) with a seed
2314 # that depends on the exit object 2834 # that depends on the exit object
2315 2835
2316 my $rmp = parse_random_map_params $exit->msg; 2836 my $rmp = parse_random_map_params $exit->msg;
2318 if ($exit->map) { 2838 if ($exit->map) {
2319 $rmp->{region} = $exit->region->name; 2839 $rmp->{region} = $exit->region->name;
2320 $rmp->{origin_map} = $exit->map->path; 2840 $rmp->{origin_map} = $exit->map->path;
2321 $rmp->{origin_x} = $exit->x; 2841 $rmp->{origin_x} = $exit->x;
2322 $rmp->{origin_y} = $exit->y; 2842 $rmp->{origin_y} = $exit->y;
2843
2844 $exit->map->touch;
2323 } 2845 }
2324 2846
2325 $rmp->{random_seed} ||= $exit->random_seed; 2847 $rmp->{random_seed} ||= $exit->random_seed;
2326 2848
2327 my $data = cf::to_json $rmp; 2849 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328 my $md5 = Digest::MD5::md5_hex $data; 2850 my $md5 = Digest::MD5::md5_hex $data;
2329 my $meta = "$RANDOMDIR/$md5.meta"; 2851 my $meta = "$RANDOMDIR/$md5.meta";
2330 2852
2331 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2853 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332 aio_write $fh, 0, (length $data), $data, 0; 2854 aio_write $fh, 0, (length $data), $data, 0;
2333 undef $fh; 2855 undef $fh;
2334 aio_rename "$meta~", $meta; 2856 aio_rename "$meta~", $meta;
2335 2857
2858 my $slaying = "?random/$md5";
2859
2860 if ($exit->valid) {
2336 $exit->slaying ("?random/$md5"); 2861 $exit->slaying ("?random/$md5");
2337 $exit->msg (undef); 2862 $exit->msg (undef);
2863 }
2338 } 2864 }
2339} 2865}
2340 2866
2341sub cf::object::player::enter_exit { 2867sub cf::object::player::enter_exit {
2342 my ($self, $exit) = @_; 2868 my ($self, $exit) = @_;
2343 2869
2344 return unless $self->type == cf::PLAYER; 2870 return unless $self->type == cf::PLAYER;
2345 2871
2346 if ($exit->slaying eq "/!") {
2347 #TODO: this should de-fi-ni-te-ly not be a sync-job
2348 # the problem is that $exit might not survive long enough
2349 # so it needs to be done right now, right here
2350 cf::sync_job { prepare_random_map $exit };
2351 }
2352
2353 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354 my $hp = $exit->stats->hp;
2355 my $sp = $exit->stats->sp;
2356
2357 $self->enter_link; 2872 $self->enter_link;
2358 2873
2359 (async { 2874 (async {
2360 $self->deactivate_recursive; # just to be sure 2875 $Coro::current->{desc} = "enter_exit";
2876
2361 unless (eval { 2877 unless (eval {
2878 $self->deactivate_recursive; # just to be sure
2879
2880 # random map handling
2881 {
2882 my $guard = cf::lock_acquire "exit_prepare:$exit";
2883
2884 prepare_random_map $exit
2885 if $exit->slaying eq "/!";
2886 }
2887
2888 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2889 my $x = $exit->stats->hp;
2890 my $y = $exit->stats->sp;
2891
2362 $self->goto ($slaying, $hp, $sp); 2892 $self->goto ($map, $x, $y);
2363 2893
2894 # if exit is damned, update players death & WoR home-position
2895 $self->contr->savebed ($map, $x, $y)
2896 if $exit->flag (cf::FLAG_DAMNED);
2897
2364 1; 2898 1
2365 }) { 2899 }) {
2366 $self->message ("Something went wrong deep within the crossfire server. " 2900 $self->message ("Something went wrong deep within the deliantra server. "
2367 . "I'll try to bring you back to the map you were before. " 2901 . "I'll try to bring you back to the map you were before. "
2368 . "Please report this to the dungeon master!", 2902 . "Please report this to the dungeon master!",
2369 cf::NDI_UNIQUE | cf::NDI_RED); 2903 cf::NDI_UNIQUE | cf::NDI_RED);
2370 2904
2371 warn "ERROR in enter_exit: $@"; 2905 error "ERROR in enter_exit: $@";
2372 $self->leave_link; 2906 $self->leave_link;
2373 } 2907 }
2374 })->prio (1); 2908 })->prio (1);
2375} 2909}
2376 2910
2390 2924
2391 utf8::encode $text; 2925 utf8::encode $text;
2392 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2926 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393} 2927}
2394 2928
2929=item $client->send_big_packet ($pkt)
2930
2931Like C<send_packet>, but tries to compress large packets, and fragments
2932them as required.
2933
2934=cut
2935
2936our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2937
2938sub cf::client::send_big_packet {
2939 my ($self, $pkt) = @_;
2940
2941 # try lzf for large packets
2942 $pkt = "lzf " . Compress::LZF::compress $pkt
2943 if 1024 <= length $pkt and $self->{can_lzf};
2944
2945 # split very large packets
2946 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2947 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2948 $pkt = "frag";
2949 }
2950
2951 $self->send_packet ($pkt);
2952}
2953
2395=item $client->send_msg ($color, $type, $msg, [extra...]) 2954=item $client->send_msg ($channel, $msg, $color, [extra...])
2396 2955
2397Send a drawinfo or msg packet to the client, formatting the msg for the 2956Send a drawinfo or msg packet to the client, formatting the msg for the
2398client if neccessary. C<$type> should be a string identifying the type of 2957client if neccessary. C<$type> should be a string identifying the type of
2399the message, with C<log> being the default. If C<$color> is negative, suppress 2958the message, with C<log> being the default. If C<$color> is negative, suppress
2400the message unless the client supports the msg packet. 2959the message unless the client supports the msg packet.
2401 2960
2402=cut 2961=cut
2403 2962
2963# non-persistent channels (usually the info channel)
2964our %CHANNEL = (
2965 "c/motd" => {
2966 id => "infobox",
2967 title => "MOTD",
2968 reply => undef,
2969 tooltip => "The message of the day",
2970 },
2971 "c/identify" => {
2972 id => "infobox",
2973 title => "Identify",
2974 reply => undef,
2975 tooltip => "Items recently identified",
2976 },
2977 "c/examine" => {
2978 id => "infobox",
2979 title => "Examine",
2980 reply => undef,
2981 tooltip => "Signs and other items you examined",
2982 },
2983 "c/shopinfo" => {
2984 id => "infobox",
2985 title => "Shop Info",
2986 reply => undef,
2987 tooltip => "What your bargaining skill tells you about the shop",
2988 },
2989 "c/book" => {
2990 id => "infobox",
2991 title => "Book",
2992 reply => undef,
2993 tooltip => "The contents of a note or book",
2994 },
2995 "c/lookat" => {
2996 id => "infobox",
2997 title => "Look",
2998 reply => undef,
2999 tooltip => "What you saw there",
3000 },
3001 "c/who" => {
3002 id => "infobox",
3003 title => "Players",
3004 reply => undef,
3005 tooltip => "Shows players who are currently online",
3006 },
3007 "c/body" => {
3008 id => "infobox",
3009 title => "Body Parts",
3010 reply => undef,
3011 tooltip => "Shows which body parts you posess and are available",
3012 },
3013 "c/statistics" => {
3014 id => "infobox",
3015 title => "Statistics",
3016 reply => undef,
3017 tooltip => "Shows your primary statistics",
3018 },
3019 "c/skills" => {
3020 id => "infobox",
3021 title => "Skills",
3022 reply => undef,
3023 tooltip => "Shows your experience per skill and item power",
3024 },
3025 "c/shopitems" => {
3026 id => "infobox",
3027 title => "Shop Items",
3028 reply => undef,
3029 tooltip => "Shows the items currently for sale in this shop",
3030 },
3031 "c/resistances" => {
3032 id => "infobox",
3033 title => "Resistances",
3034 reply => undef,
3035 tooltip => "Shows your resistances",
3036 },
3037 "c/pets" => {
3038 id => "infobox",
3039 title => "Pets",
3040 reply => undef,
3041 tooltip => "Shows information abotu your pets/a specific pet",
3042 },
3043 "c/perceiveself" => {
3044 id => "infobox",
3045 title => "Perceive Self",
3046 reply => undef,
3047 tooltip => "You gained detailed knowledge about yourself",
3048 },
3049 "c/uptime" => {
3050 id => "infobox",
3051 title => "Uptime",
3052 reply => undef,
3053 tooltip => "How long the server has been running since last restart",
3054 },
3055 "c/mapinfo" => {
3056 id => "infobox",
3057 title => "Map Info",
3058 reply => undef,
3059 tooltip => "Information related to the maps",
3060 },
3061 "c/party" => {
3062 id => "party",
3063 title => "Party",
3064 reply => "gsay ",
3065 tooltip => "Messages and chat related to your party",
3066 },
3067 "c/death" => {
3068 id => "death",
3069 title => "Death",
3070 reply => undef,
3071 tooltip => "Reason for and more info about your most recent death",
3072 },
3073 "c/say" => $SAY_CHANNEL,
3074 "c/chat" => $CHAT_CHANNEL,
3075);
3076
2404sub cf::client::send_msg { 3077sub cf::client::send_msg {
2405 my ($self, $color, $type, $msg, @extra) = @_; 3078 my ($self, $channel, $msg, $color, @extra) = @_;
2406 3079
2407 $msg = $self->pl->expand_cfpod ($msg); 3080 $msg = $self->pl->expand_cfpod ($msg)
3081 unless $color & cf::NDI_VERBATIM;
2408 3082
2409 if ($self->can_msg) { 3083 $color &= cf::NDI_CLIENT_MASK; # just in case...
2410 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411 } else {
2412 # replace some tags by gcfclient-compatible ones
2413 for ($msg) {
2414 1 while
2415 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420 }
2421 3084
2422 if ($color >= 0) { 3085 # check predefined channels, for the benefit of C
2423 if (0 && $msg =~ /\[/) { 3086 if ($CHANNEL{$channel}) {
2424 $self->send_packet ("drawextinfo $color 4 0 $msg") 3087 $channel = $CHANNEL{$channel};
2425 } else { 3088
2426 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 3089 $self->ext_msg (channel_info => $channel);
2427 $self->send_packet ("drawinfo $color $msg") 3090 $channel = $channel->{id};
3091
3092 } elsif (ref $channel) {
3093 # send meta info to client, if not yet sent
3094 unless (exists $self->{channel}{$channel->{id}}) {
3095 $self->{channel}{$channel->{id}} = $channel;
3096 $self->ext_msg (channel_info => $channel);
2428 } 3097 }
2429 }
2430 }
2431}
2432 3098
3099 $channel = $channel->{id};
3100 }
3101
3102 return unless @extra || length $msg;
3103
3104 # default colour, mask it out
3105 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3106 if $color & cf::NDI_DEF;
3107
3108 my $pkt = "msg "
3109 . $self->{json_coder}->encode (
3110 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3111 );
3112
3113 $self->send_big_packet ($pkt);
3114}
3115
2433=item $client->ext_event ($type, %msg) 3116=item $client->ext_msg ($type, @msg)
2434 3117
2435Sends an ext event to the client. 3118Sends an ext event to the client.
2436 3119
2437=cut 3120=cut
2438 3121
2439sub cf::client::ext_event($$%) { 3122sub cf::client::ext_msg($$@) {
2440 my ($self, $type, %msg) = @_; 3123 my ($self, $type, @msg) = @_;
2441 3124
3125 if ($self->extcmd == 2) {
3126 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3127 } elsif ($self->extcmd == 1) { # TODO: remove
2442 $msg{msgtype} = "event_$type"; 3128 push @msg, msgtype => "event_$type";
2443 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3130 }
3131}
3132
3133=item $client->ext_reply ($msgid, @msg)
3134
3135Sends an ext reply to the client.
3136
3137=cut
3138
3139sub cf::client::ext_reply($$@) {
3140 my ($self, $id, @msg) = @_;
3141
3142 if ($self->extcmd == 2) {
3143 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3144 } elsif ($self->extcmd == 1) {
3145 #TODO: version 1, remove
3146 unshift @msg, msgtype => "reply", msgid => $id;
3147 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3148 }
2444} 3149}
2445 3150
2446=item $success = $client->query ($flags, "text", \&cb) 3151=item $success = $client->query ($flags, "text", \&cb)
2447 3152
2448Queues a query to the client, calling the given callback with 3153Queues a query to the client, calling the given callback with
2503 my ($ns, $buf) = @_; 3208 my ($ns, $buf) = @_;
2504 3209
2505 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3210 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506 3211
2507 if (ref $msg) { 3212 if (ref $msg) {
3213 my ($type, $reply, @payload) =
3214 "ARRAY" eq ref $msg
3215 ? @$msg
3216 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3217
3218 my @reply;
3219
2508 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3220 if (my $cb = $EXTICMD{$type}) {
2509 if (my %reply = $cb->($ns, $msg)) { 3221 @reply = $cb->($ns, @payload);
2510 $reply{msgid} = $msg->{msgid};
2511 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512 }
2513 } 3222 }
3223
3224 $ns->ext_reply ($reply, @reply)
3225 if $reply;
3226
2514 } else { 3227 } else {
2515 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3228 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516 } 3229 }
2517 3230
2518 cf::override; 3231 cf::override;
2519 }, 3232 },
2520); 3233);
2540 3253
2541 $coro 3254 $coro
2542} 3255}
2543 3256
2544cf::client->attach ( 3257cf::client->attach (
2545 on_destroy => sub { 3258 on_client_destroy => sub {
2546 my ($ns) = @_; 3259 my ($ns) = @_;
2547 3260
2548 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3261 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549 }, 3262 },
2550); 3263);
2565our $safe = new Safe "safe"; 3278our $safe = new Safe "safe";
2566our $safe_hole = new Safe::Hole; 3279our $safe_hole = new Safe::Hole;
2567 3280
2568$SIG{FPE} = 'IGNORE'; 3281$SIG{FPE} = 'IGNORE';
2569 3282
2570$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3283$safe->permit_only (Opcode::opset qw(
3284 :base_core :base_mem :base_orig :base_math :base_loop
3285 grepstart grepwhile mapstart mapwhile
3286 sort time
3287));
2571 3288
2572# here we export the classes and methods available to script code 3289# here we export the classes and methods available to script code
2573 3290
2574=pod 3291=pod
2575 3292
2576The following functions and methods are available within a safe environment: 3293The following functions and methods are available within a safe environment:
2577 3294
2578 cf::object contr pay_amount pay_player map 3295 cf::object
3296 contr pay_amount pay_player map x y force_find force_add destroy
3297 insert remove name archname title slaying race decrease split
3298 value
3299
2579 cf::object::player player 3300 cf::object::player
2580 cf::player peaceful 3301 player
2581 cf::map trigger 3302
3303 cf::player
3304 peaceful
3305
3306 cf::map
3307 trigger
2582 3308
2583=cut 3309=cut
2584 3310
2585for ( 3311for (
2586 ["cf::object" => qw(contr pay_amount pay_player map)], 3312 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3313 insert remove inv nrof name archname title slaying race
3314 decrease split destroy change_exp value msg lore send_msg)],
2587 ["cf::object::player" => qw(player)], 3315 ["cf::object::player" => qw(player)],
2588 ["cf::player" => qw(peaceful)], 3316 ["cf::player" => qw(peaceful send_msg)],
2589 ["cf::map" => qw(trigger)], 3317 ["cf::map" => qw(trigger)],
2590) { 3318) {
2591 no strict 'refs';
2592 my ($pkg, @funs) = @$_; 3319 my ($pkg, @funs) = @$_;
2593 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3320 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2594 for @funs; 3321 for @funs;
2595} 3322}
2596 3323
2611 3338
2612 my $qcode = $code; 3339 my $qcode = $code;
2613 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3340 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2614 $qcode =~ s/\n/\\n/g; 3341 $qcode =~ s/\n/\\n/g;
2615 3342
3343 %vars = (_dummy => 0) unless %vars;
3344
3345 my @res;
2616 local $_; 3346 local $_;
2617 local @safe::cf::_safe_eval_args = values %vars;
2618 3347
2619 my $eval = 3348 my $eval =
2620 "do {\n" 3349 "do {\n"
2621 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3350 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622 . "#line 0 \"{$qcode}\"\n" 3351 . "#line 0 \"{$qcode}\"\n"
2623 . $code 3352 . $code
2624 . "\n}" 3353 . "\n}"
2625 ; 3354 ;
2626 3355
3356 if ($CFG{safe_eval}) {
2627 sub_generation_inc; 3357 sub_generation_inc;
3358 local @safe::cf::_safe_eval_args = values %vars;
2628 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3359 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629 sub_generation_inc; 3360 sub_generation_inc;
3361 } else {
3362 local @cf::_safe_eval_args = values %vars;
3363 @res = wantarray ? eval eval : scalar eval $eval;
3364 }
2630 3365
2631 if ($@) { 3366 if ($@) {
2632 warn "$@"; 3367 warn "$@",
2633 warn "while executing safe code '$code'\n"; 3368 "while executing safe code '$code'\n",
2634 warn "with arguments " . (join " ", %vars) . "\n"; 3369 "with arguments " . (join " ", %vars) . "\n";
2635 } 3370 }
2636 3371
2637 wantarray ? @res : $res[0] 3372 wantarray ? @res : $res[0]
2638} 3373}
2639 3374
2653=cut 3388=cut
2654 3389
2655sub register_script_function { 3390sub register_script_function {
2656 my ($fun, $cb) = @_; 3391 my ($fun, $cb) = @_;
2657 3392
2658 no strict 'refs'; 3393 $fun = "safe::$fun" if $CFG{safe_eval};
2659 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3394 *$fun = $safe_hole->wrap ($cb);
2660} 3395}
2661 3396
2662=back 3397=back
2663 3398
2664=cut 3399=cut
2667# the server's init and main functions 3402# the server's init and main functions
2668 3403
2669sub load_facedata($) { 3404sub load_facedata($) {
2670 my ($path) = @_; 3405 my ($path) = @_;
2671 3406
3407 # HACK to clear player env face cache, we need some signal framework
3408 # for this (global event?)
3409 %ext::player_env::MUSIC_FACE_CACHE = ();
3410
3411 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3412
2672 warn "loading facedata from $path\n"; 3413 trace "loading facedata from $path\n";
2673 3414
2674 my $facedata;
2675 0 < aio_load $path, $facedata 3415 0 < aio_load $path, my $facedata
2676 or die "$path: $!"; 3416 or die "$path: $!";
2677 3417
2678 $facedata = Coro::Storable::thaw $facedata; 3418 $facedata = Coro::Storable::thaw $facedata;
2679 3419
2680 $facedata->{version} == 2 3420 $facedata->{version} == 2
2681 or cf::cleanup "$path: version mismatch, cannot proceed."; 3421 or cf::cleanup "$path: version mismatch, cannot proceed.";
2682 3422
3423 # patch in the exptable
3424 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3425 $facedata->{resource}{"res/exp_table"} = {
3426 type => FT_RSRC,
3427 data => $exp_table,
3428 hash => (Digest::MD5::md5 $exp_table),
3429 };
3430 cf::cede_to_tick;
3431
2683 { 3432 {
2684 my $faces = $facedata->{faceinfo}; 3433 my $faces = $facedata->{faceinfo};
2685 3434
2686 while (my ($face, $info) = each %$faces) { 3435 while (my ($face, $info) = each %$faces) {
2687 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3436 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3437
2688 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3438 cf::face::set_visibility $idx, $info->{visibility};
3439 cf::face::set_magicmap $idx, $info->{magicmap};
2689 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3440 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3441 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691 Coro::cede; 3442
3443 cf::cede_to_tick;
2692 } 3444 }
2693 3445
2694 while (my ($face, $info) = each %$faces) { 3446 while (my ($face, $info) = each %$faces) {
2695 next unless $info->{smooth}; 3447 next unless $info->{smooth};
3448
2696 my $idx = cf::face::find $face 3449 my $idx = cf::face::find $face
2697 or next; 3450 or next;
3451
2698 if (my $smooth = cf::face::find $info->{smooth}) { 3452 if (my $smooth = cf::face::find $info->{smooth}) {
3453 cf::face::set_smooth $idx, $smooth;
2699 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3454 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700 } else { 3455 } else {
2701 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3456 error "smooth face '$info->{smooth}' not found for face '$face'";
2702 } 3457 }
2703 Coro::cede; 3458
3459 cf::cede_to_tick;
2704 } 3460 }
2705 } 3461 }
2706 3462
2707 { 3463 {
2708 my $anims = $facedata->{animinfo}; 3464 my $anims = $facedata->{animinfo};
2709 3465
2710 while (my ($anim, $info) = each %$anims) { 3466 while (my ($anim, $info) = each %$anims) {
2711 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3467 cf::anim::set $anim, $info->{frames}, $info->{facings};
2712 Coro::cede; 3468 cf::cede_to_tick;
2713 } 3469 }
2714 3470
2715 cf::anim::invalidate_all; # d'oh 3471 cf::anim::invalidate_all; # d'oh
2716 } 3472 }
2717 3473
3474 {
3475 my $res = $facedata->{resource};
3476
3477 while (my ($name, $info) = each %$res) {
3478 if (defined $info->{type}) {
3479 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3480
3481 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3482 cf::face::set_type $idx, $info->{type};
3483 } else {
3484 $RESOURCE{$name} = $info; # unused
3485 }
3486
3487 cf::cede_to_tick;
3488 }
3489 }
3490
3491 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3492
2718 1 3493 1
2719} 3494}
2720 3495
3496register_exticmd fx_want => sub {
3497 my ($ns, $want) = @_;
3498
3499 while (my ($k, $v) = each %$want) {
3500 $ns->fx_want ($k, $v);
3501 }
3502};
3503
3504sub load_resource_file($) {
3505 my $guard = lock_acquire "load_resource_file";
3506
3507 my $status = load_resource_file_ $_[0];
3508 get_slot 0.1, 100;
3509 cf::arch::commit_load;
3510
3511 $status
3512}
3513
2721sub reload_regions { 3514sub reload_regions {
3515 # HACK to clear player env face cache, we need some signal framework
3516 # for this (global event?)
3517 %ext::player_env::MUSIC_FACE_CACHE = ();
3518
2722 load_resource_file "$MAPDIR/regions" 3519 load_resource_file "$MAPDIR/regions"
2723 or die "unable to load regions file\n"; 3520 or die "unable to load regions file\n";
3521
3522 for (cf::region::list) {
3523 $_->{match} = qr/$_->{match}/
3524 if exists $_->{match};
3525 }
2724} 3526}
2725 3527
2726sub reload_facedata { 3528sub reload_facedata {
2727 load_facedata "$DATADIR/facedata" 3529 load_facedata "$DATADIR/facedata"
2728 or die "unable to load facedata\n"; 3530 or die "unable to load facedata\n";
2729} 3531}
2730 3532
2731sub reload_archetypes { 3533sub reload_archetypes {
2732 load_resource_file "$DATADIR/archetypes" 3534 load_resource_file "$DATADIR/archetypes"
2733 or die "unable to load archetypes\n"; 3535 or die "unable to load archetypes\n";
2734 #d# NEED to laod twice to resolve forward references
2735 # this really needs to be done in an extra post-pass
2736 # (which needs to be synchronous, so solve it differently)
2737 load_resource_file "$DATADIR/archetypes"
2738 or die "unable to load archetypes\n";
2739} 3536}
2740 3537
2741sub reload_treasures { 3538sub reload_treasures {
2742 load_resource_file "$DATADIR/treasures" 3539 load_resource_file "$DATADIR/treasures"
2743 or die "unable to load treasurelists\n"; 3540 or die "unable to load treasurelists\n";
2744} 3541}
2745 3542
3543sub reload_sound {
3544 trace "loading sound config from $DATADIR/sound\n";
3545
3546 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3547 or die "$DATADIR/sound $!";
3548
3549 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3550
3551 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3552 my $sound = $soundconf->{compat}[$_]
3553 or next;
3554
3555 my $face = cf::face::find "sound/$sound->[1]";
3556 cf::sound::set $sound->[0] => $face;
3557 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3558 }
3559
3560 while (my ($k, $v) = each %{$soundconf->{event}}) {
3561 my $face = cf::face::find "sound/$v";
3562 cf::sound::set $k => $face;
3563 }
3564}
3565
2746sub reload_resources { 3566sub reload_resources {
2747 warn "reloading resource files...\n"; 3567 trace "reloading resource files...\n";
2748 3568
3569 reload_exp_table;
3570 reload_materials;
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
2749 reload_regions; 3574 reload_regions;
2750 reload_facedata;
2751 #reload_archetypes;#d#
2752 reload_archetypes;
2753 reload_treasures; 3575 reload_treasures;
2754 3576
2755 warn "finished reloading resource files\n"; 3577 trace "finished reloading resource files\n";
2756} 3578}
2757 3579
2758sub init { 3580sub reload_config {
2759 reload_resources; 3581 trace "reloading config file...\n";
2760}
2761 3582
2762sub cfg_load { 3583 0 < aio_load "$CONFDIR/config", my $config
2763 open my $fh, "<:utf8", "$CONFDIR/config" 3584 or die "$CONFDIR/config: $!";
2764 or return;
2765 3585
2766 local $/; 3586 utf8::decode $config;
2767 *CFG = YAML::Syck::Load <$fh>; 3587 *CFG = yaml_load $config;
2768 3588
2769 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2770 3590
2771 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2773 3593
2774 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
2778 }; 3598 };
2779 warn $@ if $@; 3599 warn $@ if $@;
2780 } 3600 }
2781} 3601}
2782 3602
3603sub pidfile() {
3604 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3605 or die "$PIDFILE: $!";
3606 flock $fh, &Fcntl::LOCK_EX
3607 or die "$PIDFILE: flock: $!";
3608 $fh
3609}
3610
3611# make sure only one server instance is running at any one time
3612sub atomic {
3613 my $fh = pidfile;
3614
3615 my $pid = <$fh>;
3616 kill 9, $pid if $pid > 0;
3617
3618 seek $fh, 0, 0;
3619 print $fh $$;
3620}
3621
3622sub main_loop {
3623 trace "EV::loop starting\n";
3624 if (1) {
3625 EV::loop;
3626 }
3627 trace "EV::loop returned\n";
3628 goto &main_loop unless $REALLY_UNLOOP;
3629}
3630
2783sub main { 3631sub main {
3632 cf::init_globals; # initialise logging
3633
3634 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3635 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3636 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3637 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3638
3639 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3640
2784 # we must not ever block the main coroutine 3641 # we must not ever block the main coroutine
2785 local $Coro::idle = sub { 3642 local $Coro::idle = sub {
2786 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3643 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787 (async { 3644 (async {
2788 Event::one_event; 3645 $Coro::current->{desc} = "IDLE BUG HANDLER";
3646 EV::loop EV::LOOP_ONESHOT;
2789 })->prio (Coro::PRIO_MAX); 3647 })->prio (Coro::PRIO_MAX);
2790 }; 3648 };
2791 3649
2792 cfg_load; 3650 evthread_start IO::AIO::poll_fileno;
3651
3652 cf::sync_job {
3653 cf::incloader::init ();
3654
3655 cf::init_anim;
3656 cf::init_attackmess;
3657 cf::init_dynamic;
3658
3659 cf::load_settings;
3660
3661 reload_resources;
3662 reload_config;
2793 db_init; 3663 db_init;
3664
3665 cf::init_uuid;
3666 cf::init_signals;
3667 cf::init_skills;
3668
3669 cf::init_beforeplay;
3670
3671 atomic;
3672
2794 load_extensions; 3673 load_extensions;
2795 3674
2796 $TICK_WATCHER->start; 3675 utime time, time, $RUNTIMEFILE;
2797 Event::loop; 3676
3677 # no (long-running) fork's whatsoever before this point(!)
3678 use POSIX ();
3679 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3680
3681 cf::_post_init 0;
3682 };
3683
3684 cf::object::thawer::errors_are_fatal 0;
3685 info "parse errors in files are no longer fatal from this point on.\n";
3686
3687 my $free_main; $free_main = EV::idle sub {
3688 undef $free_main;
3689 undef &main; # free gobs of memory :)
3690 };
3691
3692 goto &main_loop;
2798} 3693}
2799 3694
2800############################################################################# 3695#############################################################################
2801# initialisation and cleanup 3696# initialisation and cleanup
2802 3697
2803# install some emergency cleanup handlers 3698# install some emergency cleanup handlers
2804BEGIN { 3699BEGIN {
3700 our %SIGWATCHER = ();
2805 for my $signal (qw(INT HUP TERM)) { 3701 for my $signal (qw(INT HUP TERM)) {
2806 Event->signal ( 3702 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2807 reentrant => 0,
2808 data => WF_AUTOCANCEL,
2809 signal => $signal,
2810 prio => 0,
2811 cb => sub {
2812 cf::cleanup "SIG$signal"; 3703 cf::cleanup "SIG$signal";
2813 },
2814 ); 3704 };
2815 } 3705 }
2816} 3706}
2817 3707
2818sub write_runtime { 3708sub write_runtime_sync {
2819 my $runtime = "$LOCALDIR/runtime"; 3709 my $t0 = AE::time;
2820 3710
2821 # first touch the runtime file to show we are still running: 3711 # first touch the runtime file to show we are still running:
2822 # the fsync below can take a very very long time. 3712 # the fsync below can take a very very long time.
2823 3713
2824 IO::AIO::aio_utime $runtime, undef, undef; 3714 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825 3715
2826 my $guard = cf::lock_acquire "write_runtime"; 3716 my $guard = cf::lock_acquire "write_runtime";
2827 3717
2828 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3718 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829 or return; 3719 or return;
2830 3720
2831 my $value = $cf::RUNTIME + 90 + 10; 3721 my $value = $cf::RUNTIME + 90 + 10;
2832 # 10 is the runtime save interval, for a monotonic clock 3722 # 10 is the runtime save interval, for a monotonic clock
2833 # 60 allows for the watchdog to kill the server. 3723 # 60 allows for the watchdog to kill the server.
2843 aio_utime $fh, undef, undef; 3733 aio_utime $fh, undef, undef;
2844 3734
2845 close $fh 3735 close $fh
2846 or return; 3736 or return;
2847 3737
2848 aio_rename "$runtime~", $runtime 3738 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849 and return; 3739 and return;
2850 3740
2851 warn "runtime file written.\n"; 3741 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852 3742
2853 1 3743 1
3744}
3745
3746our $uuid_lock;
3747our $uuid_skip;
3748
3749sub write_uuid_sync($) {
3750 $uuid_skip ||= $_[0];
3751
3752 return if $uuid_lock;
3753 local $uuid_lock = 1;
3754
3755 my $uuid = "$LOCALDIR/uuid";
3756
3757 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3758 or return;
3759
3760 my $value = uuid_seq uuid_cur;
3761
3762 unless ($value) {
3763 info "cowardly refusing to write zero uuid value!\n";
3764 return;
3765 }
3766
3767 my $value = uuid_str $value + $uuid_skip;
3768 $uuid_skip = 0;
3769
3770 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3771 and return;
3772
3773 # always fsync - this file is important
3774 aio_fsync $fh
3775 and return;
3776
3777 close $fh
3778 or return;
3779
3780 aio_rename "$uuid~", $uuid
3781 and return;
3782
3783 trace "uuid file written ($value).\n";
3784
3785 1
3786
3787}
3788
3789sub write_uuid($$) {
3790 my ($skip, $sync) = @_;
3791
3792 $sync ? write_uuid_sync $skip
3793 : async { write_uuid_sync $skip };
2854} 3794}
2855 3795
2856sub emergency_save() { 3796sub emergency_save() {
2857 my $freeze_guard = cf::freeze_mainloop; 3797 my $freeze_guard = cf::freeze_mainloop;
2858 3798
2859 warn "enter emergency perl save\n"; 3799 info "emergency_perl_save: enter\n";
3800
3801 # this is a trade-off: we want to be very quick here, so
3802 # save all maps without fsync, and later call a global sync
3803 # (which in turn might be very very slow)
3804 local $USE_FSYNC = 0;
2860 3805
2861 cf::sync_job { 3806 cf::sync_job {
3807 cf::write_runtime_sync; # external watchdog should not bark
3808
2862 # use a peculiar iteration method to avoid tripping on perl 3809 # use a peculiar iteration method to avoid tripping on perl
2863 # refcount bugs in for. also avoids problems with players 3810 # refcount bugs in for. also avoids problems with players
2864 # and maps saved/destroyed asynchronously. 3811 # and maps saved/destroyed asynchronously.
2865 warn "begin emergency player save\n"; 3812 info "emergency_perl_save: begin player save\n";
2866 for my $login (keys %cf::PLAYER) { 3813 for my $login (keys %cf::PLAYER) {
2867 my $pl = $cf::PLAYER{$login} or next; 3814 my $pl = $cf::PLAYER{$login} or next;
2868 $pl->valid or next; 3815 $pl->valid or next;
3816 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869 $pl->save; 3817 $pl->save;
2870 } 3818 }
2871 warn "end emergency player save\n"; 3819 info "emergency_perl_save: end player save\n";
2872 3820
2873 warn "begin emergency map save\n"; 3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin map save\n";
2874 for my $path (keys %cf::MAP) { 3824 for my $path (keys %cf::MAP) {
2875 my $map = $cf::MAP{$path} or next; 3825 my $map = $cf::MAP{$path} or next;
2876 $map->valid or next; 3826 $map->valid or next;
2877 $map->save; 3827 $map->save;
2878 } 3828 }
2879 warn "end emergency map save\n"; 3829 info "emergency_perl_save: end map save\n";
2880 3830
2881 warn "begin emergency database checkpoint\n"; 3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 info "emergency_perl_save: begin database checkpoint\n";
2882 BDB::db_env_txn_checkpoint $DB_ENV; 3834 BDB::db_env_txn_checkpoint $DB_ENV;
2883 warn "end emergency database checkpoint\n"; 3835 info "emergency_perl_save: end database checkpoint\n";
3836
3837 info "emergency_perl_save: begin write uuid\n";
3838 write_uuid_sync 1;
3839 info "emergency_perl_save: end write uuid\n";
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: syncing database to disk";
3844 BDB::db_env_txn_checkpoint $DB_ENV;
3845
3846 info "emergency_perl_save: starting sync\n";
3847 IO::AIO::aio_sync sub {
3848 info "emergency_perl_save: finished sync\n";
3849 };
3850
3851 cf::write_runtime_sync; # external watchdog should not bark
3852
3853 trace "emergency_perl_save: flushing outstanding aio requests";
3854 while (IO::AIO::nreqs || BDB::nreqs) {
3855 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3856 }
3857
3858 cf::write_runtime_sync; # external watchdog should not bark
2884 }; 3859 };
2885 3860
2886 warn "leave emergency perl save\n"; 3861 info "emergency_perl_save: leave\n";
2887} 3862}
2888 3863
2889sub post_cleanup { 3864sub post_cleanup {
2890 my ($make_core) = @_; 3865 my ($make_core) = @_;
2891 3866
3867 IO::AIO::flush;
3868
2892 warn Carp::longmess "post_cleanup backtrace" 3869 error Carp::longmess "post_cleanup backtrace"
2893 if $make_core; 3870 if $make_core;
3871
3872 my $fh = pidfile;
3873 unlink $PIDFILE if <$fh> == $$;
3874}
3875
3876# a safer delete_package, copied from Symbol
3877sub clear_package($) {
3878 my $pkg = shift;
3879
3880 # expand to full symbol table name if needed
3881 unless ($pkg =~ /^main::.*::$/) {
3882 $pkg = "main$pkg" if $pkg =~ /^::/;
3883 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3884 $pkg .= '::' unless $pkg =~ /::$/;
3885 }
3886
3887 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3888 my $stem_symtab = *{$stem}{HASH};
3889
3890 defined $stem_symtab and exists $stem_symtab->{$leaf}
3891 or return;
3892
3893 # clear all symbols
3894 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3895 for my $name (keys %$leaf_symtab) {
3896 _gv_clear *{"$pkg$name"};
3897# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3898 }
2894} 3899}
2895 3900
2896sub do_reload_perl() { 3901sub do_reload_perl() {
2897 # can/must only be called in main 3902 # can/must only be called in main
2898 if ($Coro::current != $Coro::main) { 3903 unless (in_main) {
2899 warn "can only reload from main coroutine"; 3904 error "can only reload from main coroutine";
2900 return; 3905 return;
2901 } 3906 }
2902 3907
2903 warn "reloading..."; 3908 return if $RELOAD++;
2904 3909
2905 warn "entering sync_job"; 3910 my $t1 = AE::time;
2906 3911
3912 while ($RELOAD) {
3913 cf::get_slot 0.1, -1, "reload_perl";
3914 info "perl_reload: reloading...";
3915
3916 trace "perl_reload: entering sync_job";
3917
2907 cf::sync_job { 3918 cf::sync_job {
2908 cf::write_runtime; # external watchdog should not bark
2909 cf::emergency_save; 3919 #cf::emergency_save;
2910 cf::write_runtime; # external watchdog should not bark
2911 3920
2912 warn "syncing database to disk";
2913 BDB::db_env_txn_checkpoint $DB_ENV;
2914
2915 # if anything goes wrong in here, we should simply crash as we already saved
2916
2917 warn "cancelling all WF_AUTOCANCEL watchers";
2918 for (Event::all_watchers) {
2919 $_->cancel if $_->data & WF_AUTOCANCEL;
2920 }
2921
2922 warn "flushing outstanding aio requests";
2923 for (;;) {
2924 BDB::flush;
2925 IO::AIO::flush;
2926 Coro::cede;
2927 last unless IO::AIO::nreqs || BDB::nreqs;
2928 warn "iterate...";
2929 }
2930
2931 ++$RELOAD;
2932
2933 warn "cancelling all extension coros"; 3921 trace "perl_reload: cancelling all extension coros";
2934 $_->cancel for values %EXT_CORO; 3922 $_->cancel for values %EXT_CORO;
2935 %EXT_CORO = (); 3923 %EXT_CORO = ();
2936 3924
2937 warn "removing commands"; 3925 trace "perl_reload: removing commands";
2938 %COMMAND = (); 3926 %COMMAND = ();
2939 3927
2940 warn "removing ext/exti commands"; 3928 trace "perl_reload: removing ext/exti commands";
2941 %EXTCMD = (); 3929 %EXTCMD = ();
2942 %EXTICMD = (); 3930 %EXTICMD = ();
2943 3931
2944 warn "unloading/nuking all extensions"; 3932 trace "perl_reload: unloading/nuking all extensions";
2945 for my $pkg (@EXTS) { 3933 for my $pkg (@EXTS) {
2946 warn "... unloading $pkg"; 3934 trace "... unloading $pkg";
2947 3935
2948 if (my $cb = $pkg->can ("unload")) { 3936 if (my $cb = $pkg->can ("unload")) {
2949 eval { 3937 eval {
2950 $cb->($pkg); 3938 $cb->($pkg);
2951 1 3939 1
2952 } or warn "$pkg unloaded, but with errors: $@"; 3940 } or error "$pkg unloaded, but with errors: $@";
3941 }
3942
3943 trace "... clearing $pkg";
3944 clear_package $pkg;
2953 } 3945 }
2954 3946
2955 warn "... nuking $pkg";
2956 Symbol::delete_package $pkg;
2957 }
2958
2959 warn "unloading all perl modules loaded from $LIBDIR"; 3947 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2960 while (my ($k, $v) = each %INC) { 3948 while (my ($k, $v) = each %INC) {
2961 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3949 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962 3950
2963 warn "... unloading $k"; 3951 trace "... unloading $k";
2964 delete $INC{$k}; 3952 delete $INC{$k};
2965 3953
2966 $k =~ s/\.pm$//; 3954 $k =~ s/\.pm$//;
2967 $k =~ s/\//::/g; 3955 $k =~ s/\//::/g;
2968 3956
2969 if (my $cb = $k->can ("unload_module")) { 3957 if (my $cb = $k->can ("unload_module")) {
2970 $cb->(); 3958 $cb->();
3959 }
3960
3961 clear_package $k;
2971 } 3962 }
2972 3963
2973 Symbol::delete_package $k;
2974 }
2975
2976 warn "getting rid of safe::, as good as possible"; 3964 trace "perl_reload: getting rid of safe::, as good as possible";
2977 Symbol::delete_package "safe::$_" 3965 clear_package "safe::$_"
2978 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3966 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979 3967
2980 warn "unloading cf.pm \"a bit\""; 3968 trace "perl_reload: unloading cf.pm \"a bit\"";
2981 delete $INC{"cf.pm"}; 3969 delete $INC{"cf.pm"};
2982 delete $INC{"cf/pod.pm"}; 3970 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983 3971
2984 # don't, removes xs symbols, too, 3972 # don't, removes xs symbols, too,
2985 # and global variables created in xs 3973 # and global variables created in xs
2986 #Symbol::delete_package __PACKAGE__; 3974 #clear_package __PACKAGE__;
2987 3975
2988 warn "unload completed, starting to reload now"; 3976 info "perl_reload: unload completed, starting to reload now";
2989 3977
2990 warn "reloading cf.pm"; 3978 trace "perl_reload: reloading cf.pm";
2991 require cf; 3979 require cf;
2992 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3980 cf::_connect_to_perl_1;
2993 3981
2994 warn "loading config and database again"; 3982 trace "perl_reload: loading config and database again";
2995 cf::cfg_load; 3983 cf::reload_config;
2996 3984
2997 warn "loading extensions"; 3985 trace "perl_reload: loading extensions";
2998 cf::load_extensions; 3986 cf::load_extensions;
2999 3987
3988 if ($REATTACH_ON_RELOAD) {
3000 warn "reattaching attachments to objects/players"; 3989 trace "perl_reload: reattaching attachments to objects/players";
3001 _global_reattach; # objects, sockets 3990 _global_reattach; # objects, sockets
3002 warn "reattaching attachments to maps"; 3991 trace "perl_reload: reattaching attachments to maps";
3003 reattach $_ for values %MAP; 3992 reattach $_ for values %MAP;
3004 warn "reattaching attachments to players"; 3993 trace "perl_reload: reattaching attachments to players";
3005 reattach $_ for values %PLAYER; 3994 reattach $_ for values %PLAYER;
3995 }
3006 3996
3007 warn "leaving sync_job"; 3997 cf::_post_init 1;
3008 3998
3999 trace "perl_reload: leaving sync_job";
4000
3009 1 4001 1
3010 } or do { 4002 } or do {
3011 warn $@; 4003 error $@;
3012 warn "error while reloading, exiting."; 4004 cf::cleanup "perl_reload: error, exiting.";
3013 exit 1; 4005 };
4006
4007 --$RELOAD;
3014 }; 4008 }
3015 4009
3016 warn "reloaded"; 4010 $t1 = AE::time - $t1;
4011 info "perl_reload: completed in ${t1}s\n";
3017}; 4012};
3018 4013
3019our $RELOAD_WATCHER; # used only during reload 4014our $RELOAD_WATCHER; # used only during reload
3020 4015
3021sub reload_perl() { 4016sub reload_perl() {
3022 # doing reload synchronously and two reloads happen back-to-back, 4017 # doing reload synchronously and two reloads happen back-to-back,
3023 # coro crashes during coro_state_free->destroy here. 4018 # coro crashes during coro_state_free->destroy here.
3024 4019
3025 $RELOAD_WATCHER ||= Event->timer ( 4020 $RELOAD_WATCHER ||= cf::async {
3026 reentrant => 0, 4021 Coro::AIO::aio_wait cache_extensions;
3027 after => 0, 4022
3028 data => WF_AUTOCANCEL, 4023 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029 cb => sub {
3030 do_reload_perl; 4024 do_reload_perl;
3031 undef $RELOAD_WATCHER; 4025 undef $RELOAD_WATCHER;
3032 }, 4026 };
3033 ); 4027 };
3034} 4028}
3035 4029
3036register_command "reload" => sub { 4030register_command "reload" => sub {
3037 my ($who, $arg) = @_; 4031 my ($who, $arg) = @_;
3038 4032
3039 if ($who->flag (FLAG_WIZ)) { 4033 if ($who->flag (FLAG_WIZ)) {
3040 $who->message ("reloading server."); 4034 $who->message ("reloading server.");
4035 async {
4036 $Coro::current->{desc} = "perl_reload";
3041 async { reload_perl }; 4037 reload_perl;
4038 };
3042 } 4039 }
3043}; 4040};
3044 4041
3045unshift @INC, $LIBDIR; 4042#############################################################################
3046 4043
3047my $bug_warning = 0; 4044my $bug_warning = 0;
3048 4045
3049our @WAIT_FOR_TICK; 4046our @WAIT_FOR_TICK;
3050our @WAIT_FOR_TICK_BEGIN; 4047our @WAIT_FOR_TICK_BEGIN;
3051 4048
3052sub wait_for_tick { 4049sub wait_for_tick() {
3053 return unless $TICK_WATCHER->is_active;
3054 return if $Coro::current == $Coro::main; 4050 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055 4051
3056 my $signal = new Coro::Signal; 4052 my $signal = new Coro::Signal;
3057 push @WAIT_FOR_TICK, $signal; 4053 push @WAIT_FOR_TICK, $signal;
3058 $signal->wait; 4054 $signal->wait;
3059} 4055}
3060 4056
3061sub wait_for_tick_begin { 4057sub wait_for_tick_begin() {
3062 return unless $TICK_WATCHER->is_active;
3063 return if $Coro::current == $Coro::main; 4058 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064 4059
3065 my $signal = new Coro::Signal; 4060 my $signal = new Coro::Signal;
3066 push @WAIT_FOR_TICK_BEGIN, $signal; 4061 push @WAIT_FOR_TICK_BEGIN, $signal;
3067 $signal->wait; 4062 $signal->wait;
3068} 4063}
3069 4064
3070 my $min = 1e6;#d# 4065sub tick {
3071 my $avg = 10;
3072$TICK_WATCHER = Event->timer (
3073 reentrant => 0,
3074 parked => 1,
3075 prio => 0,
3076 at => $NEXT_TICK || $TICK,
3077 data => WF_AUTOCANCEL,
3078 cb => sub {
3079 if ($Coro::current != $Coro::main) { 4066 if ($Coro::current != $Coro::main) {
3080 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4067 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081 unless ++$bug_warning > 10; 4068 unless ++$bug_warning > 10;
3082 return; 4069 return;
3083 } 4070 }
3084 4071
3085 $NOW = $tick_start = Event::time;
3086
3087 cf::server_tick; # one server iteration 4072 cf::server_tick; # one server iteration
3088 4073
3089 0 && sync_job {#d# 4074 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090 for(1..10) {
3091 my $t = Event::time;
3092 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093 or die;
3094 4075
3095 $map->width (50); 4076 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096 $map->height (50); 4077 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097 $map->alloc; 4078 Coro::async_pool {
3098 $map->_load_objects ("/tmp/x.map", 1); 4079 $Coro::current->{desc} = "runtime saver";
3099 my $t = Event::time - $t; 4080 write_runtime_sync
3100 4081 or error "ERROR: unable to write runtime file: $!";
3101 #next unless $t < 0.0013;#d#
3102 if ($t < $min) {
3103 $min = $t;
3104 }
3105 $avg = $avg * 0.99 + $t * 0.01;
3106 }
3107 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108 exit 0;
3109 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110 }; 4082 };
4083 }
3111 4084
3112 $RUNTIME += $TICK;
3113 $NEXT_TICK += $TICK;
3114
3115 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116 $NEXT_RUNTIME_WRITE = $NOW + 10;
3117 Coro::async_pool {
3118 write_runtime
3119 or warn "ERROR: unable to write runtime file: $!";
3120 };
3121 }
3122
3123# my $AFTER = Event::time;
3124# warn $AFTER - $NOW;#d#
3125
3126 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4085 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127 $sig->send; 4086 $sig->send;
3128 } 4087 }
3129 while (my $sig = shift @WAIT_FOR_TICK) { 4088 while (my $sig = shift @WAIT_FOR_TICK) {
3130 $sig->send; 4089 $sig->send;
3131 } 4090 }
3132 4091
3133 $NOW = Event::time; 4092 $LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135 # if we are delayed by four ticks or more, skip them all
3136 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138 $TICK_WATCHER->at ($NEXT_TICK);
3139 $TICK_WATCHER->start;
3140
3141 $LOAD = ($NOW - $tick_start) / $TICK;
3142 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4093 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143 4094
3144 _post_tick; 4095 if (0) {
3145 4096 if ($NEXT_TICK) {
3146 4097 my $jitter = $TICK_START - $NEXT_TICK;
4098 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4099 debug "jitter $JITTER\n";#d#
4100 }
3147 }, 4101 }
3148); 4102}
3149 4103
3150{ 4104{
3151 BDB::max_poll_time $TICK * 0.1; 4105 # configure BDB
3152 $BDB_POLL_WATCHER = Event->io ( 4106
3153 reentrant => 0,
3154 fd => BDB::poll_fileno,
3155 poll => 'r',
3156 prio => 0,
3157 data => WF_AUTOCANCEL,
3158 cb => \&BDB::poll_cb,
3159 );
3160 BDB::min_parallel 8; 4107 BDB::min_parallel 16;
3161 4108 BDB::max_poll_reqs $TICK * 0.1;
3162 BDB::set_sync_prepare { 4109 $AnyEvent::BDB::WATCHER->priority (1);
3163 my $status;
3164 my $current = $Coro::current;
3165 (
3166 sub {
3167 $status = $!;
3168 $current->ready; undef $current;
3169 },
3170 sub {
3171 Coro::schedule while defined $current;
3172 $! = $status;
3173 },
3174 )
3175 };
3176 4110
3177 unless ($DB_ENV) { 4111 unless ($DB_ENV) {
3178 $DB_ENV = BDB::db_env_create; 4112 $DB_ENV = BDB::db_env_create;
4113 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4114 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4115 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4116 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4117 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179 4118
3180 cf::sync_job { 4119 cf::sync_job {
3181 eval { 4120 eval {
3182 BDB::db_env_open 4121 BDB::db_env_open
3183 $DB_ENV, 4122 $DB_ENV,
3185 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4124 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4125 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187 0666; 4126 0666;
3188 4127
3189 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4128 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192 $DB_ENV->set_lk_detect;
3193 }; 4129 };
3194 4130
3195 cf::cleanup "db_env_open(db): $@" if $@; 4131 cf::cleanup "db_env_open(db): $@" if $@;
3196 }; 4132 };
3197 } 4133 }
4134
4135 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4136 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4137 };
4138 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4139 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4140 };
4141 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4142 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4143 };
3198} 4144}
3199 4145
3200{ 4146{
4147 # configure IO::AIO
4148
3201 IO::AIO::min_parallel 8; 4149 IO::AIO::min_parallel 8;
3202
3203 undef $Coro::AIO::WATCHER;
3204 IO::AIO::max_poll_time $TICK * 0.1; 4150 IO::AIO::max_poll_time $TICK * 0.1;
3205 $AIO_POLL_WATCHER = Event->io ( 4151 undef $AnyEvent::AIO::WATCHER;
3206 reentrant => 0,
3207 data => WF_AUTOCANCEL,
3208 fd => IO::AIO::poll_fileno,
3209 poll => 'r',
3210 prio => 6,
3211 cb => \&IO::AIO::poll_cb,
3212 );
3213} 4152}
3214 4153
3215my $_log_backtrace; 4154my $_log_backtrace;
3216 4155
3217sub _log_backtrace { 4156sub _log_backtrace {
3220 $msg =~ s/\n//; 4159 $msg =~ s/\n//;
3221 4160
3222 # limit the # of concurrent backtraces 4161 # limit the # of concurrent backtraces
3223 if ($_log_backtrace < 2) { 4162 if ($_log_backtrace < 2) {
3224 ++$_log_backtrace; 4163 ++$_log_backtrace;
4164 my $perl_bt = Carp::longmess $msg;
3225 async { 4165 async {
4166 $Coro::current->{desc} = "abt $msg";
4167
3226 my @bt = fork_call { 4168 my @bt = fork_call {
3227 @addr = map { sprintf "%x", $_ } @addr; 4169 @addr = map { sprintf "%x", $_ } @addr;
3228 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4170 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4171 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230 or die "addr2line: $!"; 4172 or die "addr2line: $!";
3238 } 4180 }
3239 4181
3240 @funcs 4182 @funcs
3241 }; 4183 };
3242 4184
3243 LOG llevInfo, "[ABT] $msg\n"; 4185 LOG llevInfo, "[ABT] $perl_bt\n";
4186 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244 LOG llevInfo, "[ABT] $_\n" for @bt; 4187 LOG llevInfo, "[ABT] $_\n" for @bt;
3245 --$_log_backtrace; 4188 --$_log_backtrace;
3246 }; 4189 };
3247 } else { 4190 } else {
3248 LOG llevInfo, "[ABT] $msg\n"; 4191 LOG llevInfo, "[ABT] $msg\n";
3249 LOG llevInfo, "[ABT] [suppressed]\n"; 4192 LOG llevInfo, "[ABT] [suppressed]\n";
3250 } 4193 }
3251} 4194}
3252 4195
3253# load additional modules 4196# load additional modules
3254use cf::pod; 4197require "cf/$_.pm" for @EXTRA_MODULES;
4198cf::_connect_to_perl_2;
3255 4199
3256END { cf::emergency_save } 4200END { cf::emergency_save }
3257 4201
32581 42021
3259 4203

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