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Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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 : $res[-1]
426 warn "pst<$res>" unless $res =~ /^pst/; 643}
427 $res = Coro::Storable::thaw $res;
428 644
429 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
430
431 Carp::confess $$res unless "ARRAY" eq ref $res;
432
433 return wantarray ? @$res : $res->[-1];
434 } else {
435 reset_signals;
436 local $SIG{__WARN__};
437 local $SIG{__DIE__};
438 local $Coro::idle;
439 $Coro::current->prio (Coro::PRIO_MAX);
440 eval {
441 close $fh1;
442
443 my @res = eval { $cb->(@args) };
444
445 open my $fh, ">", \my $buf
446 or die "fork_call: cannot open fh-to-buf in child : $!";
447 Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448 close $fh;
449
450 warn "writing ", length $buf;
451 my $x;
452 (length $buf) == ($x = syswrite $fh2, $buf)
453 or warn "error writing ".(length $buf)." != $x\n";
454 close $fh2;
455 };
456
457 warn $@ if $@;
458 _exit 0;
459 } 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
460} 681}
461 682
462=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
463 684
464Returns a single value from the environment database. 685Returns a single value from the environment database.
466=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
467 688
468Stores 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
469data 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).
470 691
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
471=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}
472 718
473our $DB; 719our $DB;
474 720
475sub db_init { 721sub db_init {
476 unless ($DB) { 722 $DB ||= db_table "db";
477 $DB = BDB::db_create $DB_ENV;
478
479 cf::sync_job {
480 eval {
481 $DB->set_flags (BDB::CHKSUM);
482
483 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485 cf::cleanup "db_open(db): $!" if $!;
486 };
487 cf::cleanup "db_open(db): $@" if $@;
488 };
489 }
490} 723}
491 724
492sub db_get($$) { 725sub db_get($$) {
493 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
494 727
495 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
496 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
497 732
498 $! ? () 733 $! ? ()
499 : $data 734 : $data
500 }
501} 735}
502 736
503sub db_put($$$) { 737sub db_put($$$) {
504 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
505 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
544 if (1) { 778 if (1) {
545 $md5 = 779 $md5 =
546 join "\x00", 780 join "\x00",
547 $processversion, 781 $processversion,
548 map { 782 map {
549 Coro::cede; 783 cf::cede_to_tick;
550 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
551 } 0.. $#$src; 785 } 0.. $#$src;
552 786
553 787
554 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
561 795
562 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
563 my $data = $process->(\@data); 797 my $data = $process->(\@data);
564 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
565 799
566 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567 801
568 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
569 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
570 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
571 805
581 815
582=cut 816=cut
583 817
584sub datalog($@) { 818sub datalog($@) {
585 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
586 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587} 821}
588 822
589=back 823=back
590 824
591=cut 825=cut
592 826
593############################################################################# 827#############################################################################
594 828
595=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
596 830
597Many 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
598attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
599to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
600 834
601In 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>
602C<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
603Crossfire TRT). 837Deliantra).
604 838
605=over 4 839=over 4
606 840
607=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
608 842
652=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
653 887
654Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
655given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
656 890
657Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
658that 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.
659 893
660These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
661 895
662=over 4 896=over 4
786 1020
787 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
788 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789 1023
790 } elsif (ref $type) { 1024 } elsif (ref $type) {
791 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
792 1026
793 } else { 1027 } else {
794 shift @arg; 1028 shift @arg;
795 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
796 } 1030 }
797 } 1031 }
798} 1032}
799 1033
800sub _object_attach { 1034sub _object_attach {
810 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
811 } 1045 }
812 1046
813 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
814 } else { 1048 } else {
815 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
816 } 1050 }
817 1051
818 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
819} 1053}
820 1054
860 "; 1094 ";
861 die if $@; 1095 die if $@;
862} 1096}
863 1097
864our $override; 1098our $override;
865our @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?
866 1100
867sub override { 1101sub override {
868 $override = 1; 1102 $override = 1;
869 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
870} 1104}
871 1105
872sub do_invoke { 1106sub do_invoke {
873 my $event = shift; 1107 my $event = shift;
874 my $callbacks = shift; 1108 my $callbacks = shift;
875 1109
876 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
877 1111
878 local $override; 1112 local $override;
879 1113
880 for (@$callbacks) { 1114 for (@$callbacks) {
881 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
882 1116
883 if ($@) { 1117 if ($@) {
884 warn "$@";
885 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886 override; 1119 override;
887 } 1120 }
888 1121
889 return 1 if $override; 1122 return 1 if $override;
890 } 1123 }
891 1124
892 0 1125 0
893} 1126}
894 1127
895=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896 1129
897=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898 1131
899Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
900 1133
901This 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
902removed 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
903results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904 1137
905=back 1138=back
906 1139
907=cut 1140=cut
908 1141
909############################################################################# 1142#############################################################################
910# 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}
911 1186
912sub reattach { 1187sub reattach {
913 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
914 my ($obj) = @_; 1189 my ($obj) = @_;
915 1190
1191 # no longer needed after getting rid of delete_package?
916 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
917 1193
918 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
919 1195
920 @$registry = (); 1196 @$registry = ();
921 1197
926 for (@$attach) { 1202 for (@$attach) {
927 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
928 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
929 } 1205 }
930 } else { 1206 } else {
931 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
932 } 1208 }
933 } 1209 }
934} 1210}
935 1211
936cf::attachable->attach ( 1212cf::attachable->attach (
937 prio => -1000000, 1213 prio => -1000000,
938 on_instantiate => sub { 1214 on_instantiate => sub {
939 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
940 1216
941 $data = from_json $data; 1217 $data = decode_json $data;
942 1218
943 for (@$data) { 1219 for (@$data) {
944 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
945 1221
946 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
962sub object_freezer_save { 1238sub object_freezer_save {
963 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
964 1240
965 sync_job { 1241 sync_job {
966 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
967 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
968 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
969 1247
970 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
972 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973 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 }
974 close $fh; 1255 aio_close $fh;
975 1256
976 if (@$objs) { 1257 if (@$objs) {
977 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) {
978 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
979 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
981 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 }
982 close $fh; 1266 aio_close $fh;
983 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
984 } 1268 }
985 } else { 1269 } else {
986 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
987 } 1271 }
988 1272
989 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
990 } else { 1277 } else {
991 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
992 } 1279 }
993 } else { 1280 } else {
994 aio_unlink $filename; 1281 aio_unlink $filename;
995 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
996 } 1283 }
997 } 1284 };
998} 1285}
999 1286
1000sub object_freezer_as_string { 1287sub object_freezer_as_string {
1001 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
1002 1289
1014 or return; 1301 or return;
1015 1302
1016 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1017 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1018 or return; 1305 or return;
1306
1019 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1020 } 1309 }
1021 1310
1311 utf8::decode (my $decname = $filename);
1022 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1023 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1024 return ($data, $av); 1316 ($data, $av)
1025} 1317}
1026 1318
1027=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1028 1320
1029=over 4 1321=over 4
1083 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1084 1376
1085 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1086} 1378}
1087 1379
1380use File::Glob ();
1381
1088cf::player->attach ( 1382cf::player->attach (
1089 on_command => sub { 1383 on_unknown_command => sub {
1090 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1091 1385
1092 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1093 or return; 1387 or return;
1094 1388
1102 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
1103 1397
1104 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105 1399
1106 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
1107 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
1108 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
1109 $pl->ext_reply ($msg->{msgid}, %reply);
1110 }
1111 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1112 } else { 1415 } else {
1113 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114 } 1417 }
1115 1418
1116 cf::override; 1419 cf::override;
1117 }, 1420 },
1118); 1421);
1119 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
1120sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1121 cf::sync_job { 1439 cf::sync_job {
1122 my %todo; 1440 my %todo;
1123 1441
1124 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1125 next unless -r $path; 1443 next unless -r $path;
1143 1461
1144 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146 1464
1147 $ext{source} = 1465 $ext{source} =
1148 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1149 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1150 . $source 1468 . $source
1151 . "\n};\n1"; 1469 . "\n};\n1";
1152 1470
1153 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1154 } 1472 }
1155 1473
1474 my $pass = 0;
1156 my %done; 1475 my %done;
1157 while (%todo) { 1476 while (%todo) {
1158 my $progress; 1477 my $progress;
1159 1478
1479 ++$pass;
1480
1481 ext:
1160 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1161 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1162 goto skip 1484 next ext
1163 unless exists $done{$_}; 1485 unless exists $done{$_};
1164 } 1486 }
1165 1487
1166 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167 1489
1168 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1169 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1170 : "$v->{base}: extension inactive.\n";
1171 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1173 warn $msg; 1497
1174 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175 exit 1; 1499 delete $todo{$k};
1176 } 1500 } else {
1177 1501 $done{$k} = delete $todo{$k};
1178 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1179 } 1507 }
1180
1181 $done{$k} = delete $todo{$k};
1182 push @EXTS, $v->{pkg};
1183 $progress = 1;
1184 } 1508 }
1185 1509
1186 skip: 1510 unless ($progress) {
1187 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188 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 }
1189 } 1518 }
1190 }; 1519 };
1191} 1520}
1192 1521
1193############################################################################# 1522#############################################################################
1194 1523
1195=back 1524=back
1196 1525
1197=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1198 1527
1199Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1200 1529
1201=cut 1530=cut
1202 1531
1203package cf::player; 1532package cf::player;
1204 1533
1205use Coro::AIO; 1534use Coro::AIO;
1206 1535
1207=head3 cf::player 1536=head3 cf::player
1208 1537
1209=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}
1210 1553
1211=item cf::player::find $login 1554=item cf::player::find $login
1212 1555
1213Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1214 1557
1233 1576
1234sub exists($) { 1577sub exists($) {
1235 my ($login) = @_; 1578 my ($login) = @_;
1236 1579
1237 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1238 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1239} 1582}
1240 1583
1241sub find($) { 1584sub find($) {
1242 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1243 my $login = $_[0]; 1586 my $login = $_[0];
1250 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1254 1597
1255 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1256 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;
1257 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1258 } 1607 }
1259 } 1608 }
1260} 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);
1261 1623
1262sub save($) { 1624sub save($) {
1263 my ($pl) = @_; 1625 my ($pl) = @_;
1264 1626
1265 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1270 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1271 1633
1272 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1273 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1274 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
1275 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1276 Coro::cede; 1643 cf::cede_to_tick;
1277} 1644}
1278 1645
1279sub new($) { 1646sub new($) {
1280 my ($login) = @_; 1647 my ($login) = @_;
1281 1648
1287 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1288 1655
1289 $self 1656 $self
1290} 1657}
1291 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
1292=item $pl->quit_character 1669=item $pl->quit_character
1293 1670
1294Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1295be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1296 1673
1300 my ($pl) = @_; 1677 my ($pl) = @_;
1301 1678
1302 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1303 1680
1304 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1305 $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
1306 1683
1307 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1310 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1311 1692
1312 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1313 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1314 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1349 or return []; 1730 or return [];
1350 1731
1351 my @logins; 1732 my @logins;
1352 1733
1353 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") {
1354 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1356 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1357 1744
1358 utf8::decode $login; 1745 utf8::decode $login;
1359 push @logins, $login; 1746 push @logins, $login;
1360 } 1747 }
1361 1748
1362 \@logins 1749 \@logins
1363} 1750}
1364 1751
1365=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1366 1755
1367Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1368player. May block. 1757player. May block.
1369 1758
1370=cut 1759=cut
1388 } 1777 }
1389 1778
1390 \@paths 1779 \@paths
1391} 1780}
1392 1781
1393=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394 1783
1395Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1396 1785
1397=cut
1398
1399sub expand_cfpod {
1400 ((my $self), (local $_)) = @_;
1401
1402 # escape & and <
1403 s/&/&amp;/g;
1404 s/(?<![BIUGH])</&lt;/g;
1405
1406 # this is buggy, it needs to properly take care of nested <'s
1407
1408 1 while
1409 # replace B<>, I<>, U<> etc.
1410 s/B<([^\>]*)>/<b>$1<\/b>/
1411 || s/I<([^\>]*)>/<i>$1<\/i>/
1412 || s/U<([^\>]*)>/<u>$1<\/u>/
1413 # replace G<male|female> tags
1414 || s{G<([^>|]*)\|([^>]*)>}{
1415 $self->gender ? $2 : $1
1416 }ge
1417 # replace H<hint text>
1418 || s{H<([^\>]*)>}
1419 {
1420 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422 "")
1423 [$self->{hintmode}]
1424 }ge;
1425
1426 # create single paragraphs (very hackish)
1427 s/(?<=\S)\n(?=\w)/ /g;
1428
1429 # compress some whitespace
1430 s/\s+\n/\n/g; # ws line-ends
1431 s/\n\n+/\n/g; # double lines
1432 s/^\n+//; # beginning lines
1433 s/\n+$//; # ending lines
1434
1435 $_
1436}
1437
1438sub hintmode {
1439 $_[0]{hintmode} = $_[1] if @_ > 1;
1440 $_[0]{hintmode}
1441}
1442
1443=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1444 1787
1445Sends an ext reply to the player. 1788Sends an ext reply to the player.
1446 1789
1447=cut 1790=cut
1448 1791
1449sub ext_reply($$%) { 1792sub ext_reply($$@) {
1450 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1451 1794
1452 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1453 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454} 1796}
1455 1797
1456=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1457 1799
1458Sends an ext event to the client. 1800Sends an ext event to the client.
1459 1801
1460=cut 1802=cut
1461 1803
1462sub ext_event($$%) { 1804sub ext_msg($$@) {
1463 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1464 1806
1465 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1466} 1808}
1467 1809
1468=head3 cf::region 1810=head3 cf::region
1469 1811
1470=over 4 1812=over 4
1480=cut 1822=cut
1481 1823
1482sub find_by_path($) { 1824sub find_by_path($) {
1483 my ($path) = @_; 1825 my ($path) = @_;
1484 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1485 my ($match, $specificity); 1829 my ($match, $specificity);
1486 1830
1487 for my $region (list) { 1831 for my $region (list) {
1488 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1489 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1490 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1491 } 1835 }
1492 } 1836 }
1493 1837
1514our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1515our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1516 1860
1517sub generate_random_map { 1861sub generate_random_map {
1518 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
1519 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1520 $self->_create_random_map ( 1867 $self->_create_random_map (
1521 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1525 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1526 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1542 1889
1543sub register { 1890sub register {
1544 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1545 my $pkg = caller; 1892 my $pkg = caller;
1546 1893
1547 no strict;
1548 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1549 1895
1550 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551} 1897}
1552 1898
1553# also paths starting with '/' 1899# also paths starting with '/'
1554$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555 1901
1556sub thawer_merge { 1902sub thawer_merge {
1557 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1558 1904
1559 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1564} 1910}
1565 1911
1566sub normalise { 1912sub normalise {
1567 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1568 1914
1569 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1570 1916
1571 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1572 1918
1573 # map plan: 1919 # map plan:
1574 # 1920 #
1613 $self->init; # pass $1 etc. 1959 $self->init; # pass $1 etc.
1614 return $self; 1960 return $self;
1615 } 1961 }
1616 } 1962 }
1617 1963
1618 Carp::carp "unable to resolve path '$path' (base '$base')."; 1964 Carp::cluck "unable to resolve path '$path' (base '$base')";
1619 () 1965 ()
1620} 1966}
1621 1967
1622sub init { 1968sub init {
1623 my ($self) = @_; 1969 my ($self) = @_;
1645 1991
1646# the temporary/swap location 1992# the temporary/swap location
1647sub save_path { 1993sub save_path {
1648 my ($self) = @_; 1994 my ($self) = @_;
1649 1995
1650 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1996 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651 "$TMPDIR/$path.map" 1997 "$TMPDIR/$path.map"
1652} 1998}
1653 1999
1654# the unique path, undef == no special unique path 2000# the unique path, undef == no special unique path
1655sub uniq_path { 2001sub uniq_path {
1656 my ($self) = @_; 2002 my ($self) = @_;
1657 2003
1658 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2004 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659 "$UNIQUEDIR/$path" 2005 "$UNIQUEDIR/$path"
1660}
1661
1662# and all this just because we cannot iterate over
1663# all maps in C++...
1664sub change_all_map_light {
1665 my ($change) = @_;
1666
1667 $_->change_map_light ($change)
1668 for grep $_->outdoor, values %cf::MAP;
1669} 2006}
1670 2007
1671sub decay_objects { 2008sub decay_objects {
1672 my ($self) = @_; 2009 my ($self) = @_;
1673 2010
1686 2023
1687sub load_header_from($) { 2024sub load_header_from($) {
1688 my ($self, $path) = @_; 2025 my ($self, $path) = @_;
1689 2026
1690 utf8::encode $path; 2027 utf8::encode $path;
1691 #aio_open $path, O_RDONLY, 0 2028 my $f = new_from_file cf::object::thawer $path
1692 # or return;
1693
1694 $self->_load_header ($path)
1695 or return; 2029 or return;
2030
2031 $self->_load_header ($f)
2032 or return;
2033
2034 local $MAP_LOADING{$self->{path}} = $self;
2035 $f->resolve_delayed_derefs;
1696 2036
1697 $self->{load_path} = $path; 2037 $self->{load_path} = $path;
1698 2038
1699 1 2039 1
1700} 2040}
1752 2092
1753sub find; 2093sub find;
1754sub find { 2094sub find {
1755 my ($path, $origin) = @_; 2095 my ($path, $origin) = @_;
1756 2096
2097 cf::cede_to_tick;
2098
1757 $path = normalise $path, $origin && $origin->path; 2099 $path = normalise $path, $origin && $origin->path;
1758 2100
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759 cf::lock_wait "map_find:$path"; 2102 my $guard2 = cf::lock_acquire "map_find:$path";
1760 2103
1761 $cf::MAP{$path} || do { 2104 $cf::MAP{$path} || do {
1762 my $guard = cf::lock_acquire "map_find:$path";
1763 my $map = new_from_path cf::map $path 2105 my $map = new_from_path cf::map $path
1764 or return; 2106 or return;
1765 2107
1766 $map->{last_save} = $cf::RUNTIME; 2108 $map->{last_save} = $cf::RUNTIME;
1767 2109
1769 or return; 2111 or return;
1770 2112
1771 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2113 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772 # doing this can freeze the server in a sync job, obviously 2114 # doing this can freeze the server in a sync job, obviously
1773 #$cf::WAIT_FOR_TICK->wait; 2115 #$cf::WAIT_FOR_TICK->wait;
2116 undef $guard2;
2117 undef $guard1;
1774 $map->reset; 2118 $map->reset;
1775 undef $guard;
1776 return find $path; 2119 return find $path;
1777 } 2120 }
1778 2121
1779 $cf::MAP{$path} = $map 2122 $cf::MAP{$path} = $map
1780 } 2123 }
1781} 2124}
1782 2125
1783sub pre_load { } 2126sub pre_load { }
1784sub post_load { } 2127#sub post_load { } # XS
1785 2128
1786sub load { 2129sub load {
1787 my ($self) = @_; 2130 my ($self) = @_;
1788 2131
1789 local $self->{deny_reset} = 1; # loading can take a long time 2132 local $self->{deny_reset} = 1; # loading can take a long time
1790 2133
1791 my $path = $self->{path}; 2134 my $path = $self->{path};
1792 2135
1793 { 2136 {
1794 my $guard = cf::lock_acquire "map_load:$path"; 2137 my $guard = cf::lock_acquire "map_data:$path";
1795 2138
2139 return unless $self->valid;
1796 return if $self->in_memory != cf::MAP_SWAPPED; 2140 return unless $self->in_memory == cf::MAP_SWAPPED;
1797 2141
1798 $self->in_memory (cf::MAP_LOADING); 2142 $self->in_memory (cf::MAP_LOADING);
1799 2143
1800 $self->alloc; 2144 $self->alloc;
1801 2145
1802 $self->pre_load; 2146 $self->pre_load;
1803 Coro::cede; 2147 cf::cede_to_tick;
1804 2148
2149 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block;
1805 $self->_load_objects ($self->{load_path}, 1) 2151 $self->_load_objects ($f)
1806 or return; 2152 or return;
1807 2153
1808 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2154 $self->post_load_original
1809 if delete $self->{load_original}; 2155 if delete $self->{load_original};
1810 2156
1811 if (my $uniq = $self->uniq_path) { 2157 if (my $uniq = $self->uniq_path) {
1812 utf8::encode $uniq; 2158 utf8::encode $uniq;
1813 if (aio_open $uniq, O_RDONLY, 0) { 2159 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) {
1814 $self->clear_unique_items; 2161 $self->clear_unique_items;
1815 $self->_load_objects ($uniq, 0); 2162 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs;
2164 }
1816 } 2165 }
1817 } 2166 }
1818 2167
1819 Coro::cede; 2168 $f->resolve_delayed_derefs;
2169
2170 cf::cede_to_tick;
1820 # now do the right thing for maps 2171 # now do the right thing for maps
1821 $self->link_multipart_objects; 2172 $self->link_multipart_objects;
1822 $self->difficulty ($self->estimate_difficulty) 2173 $self->difficulty ($self->estimate_difficulty)
1823 unless $self->difficulty; 2174 unless $self->difficulty;
1824 Coro::cede; 2175 cf::cede_to_tick;
1825 2176
1826 unless ($self->{deny_activate}) { 2177 unless ($self->{deny_activate}) {
1827 $self->decay_objects; 2178 $self->decay_objects;
1828 $self->fix_auto_apply; 2179 $self->fix_auto_apply;
1829 $self->update_buttons; 2180 $self->update_buttons;
1830 Coro::cede; 2181 cf::cede_to_tick;
1831 $self->set_darkness_map;
1832 Coro::cede;
1833 $self->activate; 2182 $self->activate;
1834 } 2183 }
1835 2184
2185 $self->{last_save} = $cf::RUNTIME;
2186 $self->last_access ($cf::RUNTIME);
2187
1836 $self->in_memory (cf::MAP_IN_MEMORY); 2188 $self->in_memory (cf::MAP_ACTIVE);
1837 } 2189 }
1838 2190
1839 $self->post_load; 2191 $self->post_load;
1840} 2192}
1841 2193
2194# customize the map for a given player, i.e.
2195# return the _real_ map. used by e.g. per-player
2196# maps to change the path to ~playername/mappath
1842sub customise_for { 2197sub customise_for {
1843 my ($self, $ob) = @_; 2198 my ($self, $ob) = @_;
1844 2199
1845 return find "~" . $ob->name . "/" . $self->{path} 2200 return find "~" . $ob->name . "/" . $self->{path}
1846 if $self->per_player; 2201 if $self->per_player;
1850 2205
1851 $self 2206 $self
1852} 2207}
1853 2208
1854# find and load all maps in the 3x3 area around a map 2209# find and load all maps in the 3x3 area around a map
1855sub load_diag { 2210sub load_neighbours {
1856 my ($map) = @_; 2211 my ($map) = @_;
1857 2212
1858 my @diag; # diagonal neighbours 2213 my @neigh; # diagonal neighbours
1859 2214
1860 for (0 .. 3) { 2215 for (0 .. 3) {
1861 my $neigh = $map->tile_path ($_) 2216 my $neigh = $map->tile_path ($_)
1862 or next; 2217 or next;
1863 $neigh = find $neigh, $map 2218 $neigh = find $neigh, $map
1864 or next; 2219 or next;
1865 $neigh->load; 2220 $neigh->load;
1866 2221
2222 # now find the diagonal neighbours
2223 push @neigh,
1867 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2224 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1868 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2225 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1869 } 2226 }
1870 2227
1871 for (@diag) { 2228 for (grep defined $_->[0], @neigh) {
2229 my ($path, $origin) = @$_;
1872 my $neigh = find @$_ 2230 my $neigh = find $path, $origin
1873 or next; 2231 or next;
1874 $neigh->load; 2232 $neigh->load;
1875 } 2233 }
1876} 2234}
1877 2235
1878sub find_sync { 2236sub find_sync {
1879 my ($path, $origin) = @_; 2237 my ($path, $origin) = @_;
1880 2238
1881 cf::sync_job { find $path, $origin } 2239 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2240 if $Coro::current == $Coro::main;
2241
2242 find $path, $origin
1882} 2243}
1883 2244
1884sub do_load_sync { 2245sub do_load_sync {
1885 my ($map) = @_; 2246 my ($map) = @_;
1886 2247
1887 cf::sync_job { $map->load }; 2248 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2249 if $Coro::current == $Coro::main;
2250
2251 $map->load;
1888} 2252}
1889 2253
1890our %MAP_PREFETCH; 2254our %MAP_PREFETCH;
1891our $MAP_PREFETCHER = undef; 2255our $MAP_PREFETCHER = undef;
1892 2256
1893sub find_async { 2257sub find_async {
1894 my ($path, $origin) = @_; 2258 my ($path, $origin, $load) = @_;
1895 2259
1896 $path = normalise $path, $origin && $origin->{path}; 2260 $path = normalise $path, $origin && $origin->{path};
1897 2261
1898 if (my $map = $cf::MAP{$path}) { 2262 if (my $map = $cf::MAP{$path}) {
1899 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2263 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900 } 2264 }
1901 2265
1902 undef $MAP_PREFETCH{$path}; 2266 $MAP_PREFETCH{$path} |= $load;
2267
1903 $MAP_PREFETCHER ||= cf::async { 2268 $MAP_PREFETCHER ||= cf::async {
2269 $Coro::current->{desc} = "map prefetcher";
2270
1904 while (%MAP_PREFETCH) { 2271 while (%MAP_PREFETCH) {
1905 for my $path (keys %MAP_PREFETCH) { 2272 while (my ($k, $v) = each %MAP_PREFETCH) {
1906 my $map = find $path 2273 if (my $map = find $k) {
1907 or next;
1908 $map->load; 2274 $map->load if $v;
2275 }
1909 2276
1910 delete $MAP_PREFETCH{$path}; 2277 delete $MAP_PREFETCH{$k};
1911 } 2278 }
1912 } 2279 }
1913 undef $MAP_PREFETCHER; 2280 undef $MAP_PREFETCHER;
1914 }; 2281 };
1915 $MAP_PREFETCHER->prio (6); 2282 $MAP_PREFETCHER->prio (6);
1916 2283
1917 () 2284 ()
1918} 2285}
1919 2286
2287# common code, used by both ->save and ->swapout
1920sub save { 2288sub _save {
1921 my ($self) = @_; 2289 my ($self) = @_;
1922
1923 my $lock = cf::lock_acquire "map_data:" . $self->path;
1924 2290
1925 $self->{last_save} = $cf::RUNTIME; 2291 $self->{last_save} = $cf::RUNTIME;
1926 2292
1927 return unless $self->dirty; 2293 return unless $self->dirty;
1928 2294
1934 return if $self->{deny_save}; 2300 return if $self->{deny_save};
1935 2301
1936 local $self->{last_access} = $self->last_access;#d# 2302 local $self->{last_access} = $self->last_access;#d#
1937 2303
1938 cf::async { 2304 cf::async {
2305 $Coro::current->{desc} = "map player save";
1939 $_->contr->save for $self->players; 2306 $_->contr->save for $self->players;
1940 }; 2307 };
2308
2309 cf::get_slot 0.02;
1941 2310
1942 if ($uniq) { 2311 if ($uniq) {
1943 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2312 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2313 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1945 } else { 2314 } else {
1946 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2315 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947 } 2316 }
1948} 2317}
1949 2318
2319sub save {
2320 my ($self) = @_;
2321
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
2324 $self->_save;
2325}
2326
1950sub swap_out { 2327sub swap_out {
1951 my ($self) = @_; 2328 my ($self) = @_;
1952 2329
1953 # save first because save cedes
1954 $self->save;
1955
1956 my $lock = cf::lock_acquire "map_data:" . $self->path; 2330 my $lock = cf::lock_acquire "map_data:$self->{path}";
1957 2331
2332 return if $self->in_memory != cf::MAP_ACTIVE;
2333 return if $self->{deny_save};
1958 return if $self->players; 2334 return if $self->players;
1959 return if $self->in_memory != cf::MAP_IN_MEMORY;
1960 return if $self->{deny_save};
1961 2335
2336 # first deactivate the map and "unlink" it from the core
2337 $self->deactivate;
2338 $_->clear_links_to ($self) for values %cf::MAP;
2339 $self->in_memory (cf::MAP_SWAPPED);
2340
2341 # then atomically save
2342 $self->_save;
2343
2344 # then free the map
1962 $self->clear; 2345 $self->clear;
1963 $self->in_memory (cf::MAP_SWAPPED);
1964} 2346}
1965 2347
1966sub reset_at { 2348sub reset_at {
1967 my ($self) = @_; 2349 my ($self) = @_;
1968 2350
1986 2368
1987 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2369 my $lock = cf::lock_acquire "map_data:$self->{path}";
1988 2370
1989 return if $self->players; 2371 return if $self->players;
1990 2372
1991 warn "resetting map ", $self->path; 2373 cf::trace "resetting map ", $self->path, "\n";
1992 2374
1993 $self->in_memory (cf::MAP_SWAPPED); 2375 $self->in_memory (cf::MAP_SWAPPED);
1994 2376
1995 # need to save uniques path 2377 # need to save uniques path
1996 unless ($self->{deny_save}) { 2378 unless ($self->{deny_save}) {
2000 if $uniq; 2382 if $uniq;
2001 } 2383 }
2002 2384
2003 delete $cf::MAP{$self->path}; 2385 delete $cf::MAP{$self->path};
2004 2386
2387 $self->deactivate;
2388 $_->clear_links_to ($self) for values %cf::MAP;
2005 $self->clear; 2389 $self->clear;
2006
2007 $_->clear_links_to ($self) for values %cf::MAP;
2008 2390
2009 $self->unlink_save; 2391 $self->unlink_save;
2010 $self->destroy; 2392 $self->destroy;
2011} 2393}
2012 2394
2013my $nuke_counter = "aaaa"; 2395my $nuke_counter = "aaaa";
2014 2396
2015sub nuke { 2397sub nuke {
2016 my ($self) = @_; 2398 my ($self) = @_;
2017 2399
2400 {
2401 my $lock = cf::lock_acquire "map_data:$self->{path}";
2402
2018 delete $cf::MAP{$self->path}; 2403 delete $cf::MAP{$self->path};
2019 2404
2020 $self->unlink_save; 2405 $self->unlink_save;
2021 2406
2022 bless $self, "cf::map"; 2407 bless $self, "cf::map::wrap";
2023 delete $self->{deny_reset}; 2408 delete $self->{deny_reset};
2024 $self->{deny_save} = 1; 2409 $self->{deny_save} = 1;
2025 $self->reset_timeout (1); 2410 $self->reset_timeout (1);
2026 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2411 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027 2412
2028 $cf::MAP{$self->path} = $self; 2413 $cf::MAP{$self->path} = $self;
2414 }
2029 2415
2030 $self->reset; # polite request, might not happen 2416 $self->reset; # polite request, might not happen
2031} 2417}
2032 2418
2033=item $maps = cf::map::tmp_maps 2419=item $maps = cf::map::tmp_maps
2075 2461
2076sub unique_maps() { 2462sub unique_maps() {
2077 [ 2463 [
2078 map { 2464 map {
2079 utf8::decode $_; 2465 utf8::decode $_;
2080 /\.map$/ 2466 s/\.map$//; # TODO future compatibility hack
2467 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2468 ? ()
2081 ? normalise $_ 2469 : normalise $_
2082 : ()
2083 } @{ aio_readdir $UNIQUEDIR or [] } 2470 } @{ aio_readdir $UNIQUEDIR or [] }
2084 ] 2471 ]
2085} 2472}
2086 2473
2087package cf; 2474=item cf::map::static_maps
2475
2476Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2477file in the shared directory excluding F</styles> and F</editor>). May
2478block.
2479
2480=cut
2481
2482sub static_maps() {
2483 my @dirs = "";
2484 my @maps;
2485
2486 while (@dirs) {
2487 my $dir = shift @dirs;
2488
2489 next if $dir eq "/styles" || $dir eq "/editor";
2490
2491 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2492 or return;
2493
2494 for (@$files) {
2495 s/\.map$// or next;
2496 utf8::decode $_;
2497 push @maps, "$dir/$_";
2498 }
2499
2500 push @dirs, map "$dir/$_", @$dirs;
2501 }
2502
2503 \@maps
2504}
2088 2505
2089=back 2506=back
2090 2507
2091=head3 cf::object 2508=head3 cf::object
2092 2509
2096 2513
2097=over 4 2514=over 4
2098 2515
2099=item $ob->inv_recursive 2516=item $ob->inv_recursive
2100 2517
2101Returns the inventory of the object _and_ their inventories, recursively. 2518Returns the inventory of the object I<and> their inventories, recursively,
2519but I<not> the object itself.
2102 2520
2103=cut 2521=cut
2104 2522
2105sub inv_recursive_; 2523sub inv_recursive_;
2106sub inv_recursive_ { 2524sub inv_recursive_ {
2109 2527
2110sub inv_recursive { 2528sub inv_recursive {
2111 inv_recursive_ inv $_[0] 2529 inv_recursive_ inv $_[0]
2112} 2530}
2113 2531
2532=item $ref = $ob->ref
2533
2534Creates and returns a persistent reference to an object that can be stored as a string.
2535
2536=item $ob = cf::object::deref ($refstring)
2537
2538returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2539even if the object actually exists. May block.
2540
2541=cut
2542
2543sub deref {
2544 my ($ref) = @_;
2545
2546 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2547 my ($uuid, $name) = ($1, $2);
2548 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2549 or return;
2550 $pl->ob->uuid eq $uuid
2551 or return;
2552
2553 $pl->ob
2554 } else {
2555 warn "$ref: cannot resolve object reference\n";
2556 undef
2557 }
2558}
2559
2114package cf; 2560package cf;
2115 2561
2116=back 2562=back
2117 2563
2118=head3 cf::object::player 2564=head3 cf::object::player
2124Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2570Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125can be C<undef>. Does the right thing when the player is currently in a 2571can be C<undef>. Does the right thing when the player is currently in a
2126dialogue with the given NPC character. 2572dialogue with the given NPC character.
2127 2573
2128=cut 2574=cut
2575
2576our $SAY_CHANNEL = {
2577 id => "say",
2578 title => "Map",
2579 reply => "say ",
2580 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2581};
2582
2583our $CHAT_CHANNEL = {
2584 id => "chat",
2585 title => "Chat",
2586 reply => "chat ",
2587 tooltip => "Player chat and shouts, global to the server.",
2588};
2129 2589
2130# rough implementation of a future "reply" method that works 2590# rough implementation of a future "reply" method that works
2131# with dialog boxes. 2591# with dialog boxes.
2132#TODO: the first argument must go, split into a $npc->reply_to ( method 2592#TODO: the first argument must go, split into a $npc->reply_to ( method
2133sub cf::object::player::reply($$$;$) { 2593sub cf::object::player::reply($$$;$) {
2140 2600
2141 } else { 2601 } else {
2142 my $pl = $self->contr; 2602 my $pl = $self->contr;
2143 2603
2144 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2604 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145 my $diag = $pl->{npc_dialog}; 2605 my $dialog = $pl->{npc_dialog};
2146 $diag->{pl}->ext_reply ( 2606 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147 $diag->{id},
2148 msgtype => "reply",
2149 msg => $diag->{pl}->expand_cfpod ($msg),
2150 add_topics => []
2151 );
2152 2607
2153 } else { 2608 } else {
2154 $msg = $npc->name . " says: $msg" if $npc; 2609 $msg = $npc->name . " says: $msg" if $npc;
2155 $self->message ($msg, $flags); 2610 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156 } 2611 }
2157 } 2612 }
2613}
2614
2615=item $object->send_msg ($channel, $msg, $color, [extra...])
2616
2617=cut
2618
2619sub cf::object::send_msg {
2620 my $pl = shift->contr
2621 or return;
2622 $pl->send_msg (@_);
2158} 2623}
2159 2624
2160=item $player_object->may ("access") 2625=item $player_object->may ("access")
2161 2626
2162Returns wether the given player is authorized to access resource "access" 2627Returns wether the given player is authorized to access resource "access"
2175 2640
2176=item $player_object->enter_link 2641=item $player_object->enter_link
2177 2642
2178Freezes the player and moves him/her to a special map (C<{link}>). 2643Freezes the player and moves him/her to a special map (C<{link}>).
2179 2644
2180The player should be reasonably safe there for short amounts of time. You 2645The player should be reasonably safe there for short amounts of time (e.g.
2181I<MUST> call C<leave_link> as soon as possible, though. 2646for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2647though, as the player cannot control the character while it is on the link
2648map.
2182 2649
2183Will never block. 2650Will never block.
2184 2651
2185=item $player_object->leave_link ($map, $x, $y) 2652=item $player_object->leave_link ($map, $x, $y)
2186 2653
2206sub cf::object::player::enter_link { 2673sub cf::object::player::enter_link {
2207 my ($self) = @_; 2674 my ($self) = @_;
2208 2675
2209 $self->deactivate_recursive; 2676 $self->deactivate_recursive;
2210 2677
2678 ++$self->{_link_recursion};
2679
2211 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2680 return if UNIVERSAL::isa $self->map, "ext::map_link";
2212 2681
2213 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2682 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214 if $self->map && $self->map->{path} ne "{link}"; 2683 if $self->map && $self->map->{path} ne "{link}";
2215 2684
2216 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2685 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2217} 2686}
2218 2687
2219sub cf::object::player::leave_link { 2688sub cf::object::player::leave_link {
2220 my ($self, $map, $x, $y) = @_; 2689 my ($self, $map, $x, $y) = @_;
2221 2690
2238 ($x, $y) = (-1, -1) 2707 ($x, $y) = (-1, -1)
2239 unless (defined $x) && (defined $y); 2708 unless (defined $x) && (defined $y);
2240 2709
2241 # use -1 or undef as default coordinates, not 0, 0 2710 # use -1 or undef as default coordinates, not 0, 0
2242 ($x, $y) = ($map->enter_x, $map->enter_y) 2711 ($x, $y) = ($map->enter_x, $map->enter_y)
2243 if $x <=0 && $y <= 0; 2712 if $x <= 0 && $y <= 0;
2244 2713
2245 $map->load; 2714 $map->load;
2246 $map->load_diag; 2715 $map->load_neighbours;
2247 2716
2248 return unless $self->contr->active; 2717 return unless $self->contr->active;
2249 $self->activate_recursive;
2250 2718
2251 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2719 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252 $self->enter_map ($map, $x, $y); 2720 if ($self->enter_map ($map, $x, $y)) {
2253} 2721 # entering was successful
2722 delete $self->{_link_recursion};
2723 # only activate afterwards, to support waiting in hooks
2724 $self->activate_recursive;
2725 }
2254 2726
2727}
2728
2255=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2729=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256 2730
2257Moves the player to the given map-path and coordinates by first freezing 2731Moves the player to the given map-path and coordinates by first freezing
2258her, loading and preparing them map, calling the provided $check callback 2732her, loading and preparing them map, calling the provided $check callback
2259that has to return the map if sucecssful, and then unfreezes the player on 2733that has to return the map if sucecssful, and then unfreezes the player on
2260the new (success) or old (failed) map position. 2734the new (success) or old (failed) map position. In either case, $done will
2735be called at the end of this process.
2736
2737Note that $check will be called with a potentially non-loaded map, so if
2738it needs a loaded map it has to call C<< ->load >>.
2261 2739
2262=cut 2740=cut
2263 2741
2264our $GOTOGEN; 2742our $GOTOGEN;
2265 2743
2266sub cf::object::player::goto { 2744sub cf::object::player::goto {
2267 my ($self, $path, $x, $y, $check) = @_; 2745 my ($self, $path, $x, $y, $check, $done) = @_;
2746
2747 if ($self->{_link_recursion} >= $MAX_LINKS) {
2748 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2749 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2750 ($path, $x, $y) = @$EMERGENCY_POSITION;
2751 }
2268 2752
2269 # do generation counting so two concurrent goto's will be executed in-order 2753 # do generation counting so two concurrent goto's will be executed in-order
2270 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2754 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271 2755
2272 $self->enter_link; 2756 $self->enter_link;
2273 2757
2274 (async { 2758 (async {
2759 $Coro::current->{desc} = "player::goto $path $x $y";
2760
2761 # *tag paths override both path and x|y
2762 if ($path =~ /^\*(.*)$/) {
2763 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2764 my $ob = $obs[rand @obs];
2765
2766 # see if we actually can go there
2767 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2768 $ob = $obs[rand @obs];
2769 } else {
2770 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2771 }
2772 # else put us there anyways for now #d#
2773
2774 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2775 } else {
2776 ($path, $x, $y) = (undef, undef, undef);
2777 }
2778 }
2779
2275 my $map = eval { 2780 my $map = eval {
2276 my $map = cf::map::find $path; 2781 my $map = defined $path ? cf::map::find $path : undef;
2277 2782
2278 if ($map) { 2783 if ($map) {
2279 $map = $map->customise_for ($self); 2784 $map = $map->customise_for ($self);
2280 $map = $check->($map) if $check && $map; 2785 $map = $check->($map, $x, $y, $self) if $check && $map;
2281 } else { 2786 } else {
2282 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2787 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283 } 2788 }
2284 2789
2285 $map 2790 $map
2286 }; 2791 };
2287 2792
2292 2797
2293 if ($gen == $self->{_goto_generation}) { 2798 if ($gen == $self->{_goto_generation}) {
2294 delete $self->{_goto_generation}; 2799 delete $self->{_goto_generation};
2295 $self->leave_link ($map, $x, $y); 2800 $self->leave_link ($map, $x, $y);
2296 } 2801 }
2802
2803 $done->($self) if $done;
2297 })->prio (1); 2804 })->prio (1);
2298} 2805}
2299 2806
2300=item $player_object->enter_exit ($exit_object) 2807=item $player_object->enter_exit ($exit_object)
2301 2808
2321} 2828}
2322 2829
2323sub prepare_random_map { 2830sub prepare_random_map {
2324 my ($exit) = @_; 2831 my ($exit) = @_;
2325 2832
2326 my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328 # all this does is basically replace the /! path by 2833 # all this does is basically replace the /! path by
2329 # a new random map path (?random/...) with a seed 2834 # a new random map path (?random/...) with a seed
2330 # that depends on the exit object 2835 # that depends on the exit object
2331 2836
2332 my $rmp = parse_random_map_params $exit->msg; 2837 my $rmp = parse_random_map_params $exit->msg;
2334 if ($exit->map) { 2839 if ($exit->map) {
2335 $rmp->{region} = $exit->region->name; 2840 $rmp->{region} = $exit->region->name;
2336 $rmp->{origin_map} = $exit->map->path; 2841 $rmp->{origin_map} = $exit->map->path;
2337 $rmp->{origin_x} = $exit->x; 2842 $rmp->{origin_x} = $exit->x;
2338 $rmp->{origin_y} = $exit->y; 2843 $rmp->{origin_y} = $exit->y;
2844
2845 $exit->map->touch;
2339 } 2846 }
2340 2847
2341 $rmp->{random_seed} ||= $exit->random_seed; 2848 $rmp->{random_seed} ||= $exit->random_seed;
2342 2849
2343 my $data = cf::to_json $rmp; 2850 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344 my $md5 = Digest::MD5::md5_hex $data; 2851 my $md5 = Digest::MD5::md5_hex $data;
2345 my $meta = "$RANDOMDIR/$md5.meta"; 2852 my $meta = "$RANDOMDIR/$md5.meta";
2346 2853
2347 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2854 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348 aio_write $fh, 0, (length $data), $data, 0; 2855 aio_write $fh, 0, (length $data), $data, 0;
2349 undef $fh; 2856 undef $fh;
2350 aio_rename "$meta~", $meta; 2857 aio_rename "$meta~", $meta;
2351 2858
2859 my $slaying = "?random/$md5";
2860
2861 if ($exit->valid) {
2352 $exit->slaying ("?random/$md5"); 2862 $exit->slaying ("?random/$md5");
2353 $exit->msg (undef); 2863 $exit->msg (undef);
2864 }
2354 } 2865 }
2355} 2866}
2356 2867
2357sub cf::object::player::enter_exit { 2868sub cf::object::player::enter_exit {
2358 my ($self, $exit) = @_; 2869 my ($self, $exit) = @_;
2359 2870
2360 return unless $self->type == cf::PLAYER; 2871 return unless $self->type == cf::PLAYER;
2361 2872
2362 if ($exit->slaying eq "/!") {
2363 #TODO: this should de-fi-ni-te-ly not be a sync-job
2364 # the problem is that $exit might not survive long enough
2365 # so it needs to be done right now, right here
2366 cf::sync_job { prepare_random_map $exit };
2367 }
2368
2369 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370 my $hp = $exit->stats->hp;
2371 my $sp = $exit->stats->sp;
2372
2373 $self->enter_link; 2873 $self->enter_link;
2374 2874
2375 # if exit is damned, update players death & WoR home-position
2376 $self->contr->savebed ($slaying, $hp, $sp)
2377 if $exit->flag (FLAG_DAMNED);
2378
2379 (async { 2875 (async {
2380 $self->deactivate_recursive; # just to be sure 2876 $Coro::current->{desc} = "enter_exit";
2877
2381 unless (eval { 2878 unless (eval {
2879 $self->deactivate_recursive; # just to be sure
2880
2881 # random map handling
2882 {
2883 my $guard = cf::lock_acquire "exit_prepare:$exit";
2884
2885 prepare_random_map $exit
2886 if $exit->slaying eq "/!";
2887 }
2888
2889 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2890 my $x = $exit->stats->hp;
2891 my $y = $exit->stats->sp;
2892
2382 $self->goto ($slaying, $hp, $sp); 2893 $self->goto ($map, $x, $y);
2383 2894
2895 # if exit is damned, update players death & WoR home-position
2896 $self->contr->savebed ($map, $x, $y)
2897 if $exit->flag (cf::FLAG_DAMNED);
2898
2384 1; 2899 1
2385 }) { 2900 }) {
2386 $self->message ("Something went wrong deep within the crossfire server. " 2901 $self->message ("Something went wrong deep within the deliantra server. "
2387 . "I'll try to bring you back to the map you were before. " 2902 . "I'll try to bring you back to the map you were before. "
2388 . "Please report this to the dungeon master!", 2903 . "Please report this to the dungeon master!",
2389 cf::NDI_UNIQUE | cf::NDI_RED); 2904 cf::NDI_UNIQUE | cf::NDI_RED);
2390 2905
2391 warn "ERROR in enter_exit: $@"; 2906 error "ERROR in enter_exit: $@";
2392 $self->leave_link; 2907 $self->leave_link;
2393 } 2908 }
2394 })->prio (1); 2909 })->prio (1);
2395} 2910}
2396 2911
2410 2925
2411 utf8::encode $text; 2926 utf8::encode $text;
2412 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2927 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413} 2928}
2414 2929
2930=item $client->send_big_packet ($pkt)
2931
2932Like C<send_packet>, but tries to compress large packets, and fragments
2933them as required.
2934
2935=cut
2936
2937our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2938
2939sub cf::client::send_big_packet {
2940 my ($self, $pkt) = @_;
2941
2942 # try lzf for large packets
2943 $pkt = "lzf " . Compress::LZF::compress $pkt
2944 if 1024 <= length $pkt and $self->{can_lzf};
2945
2946 # split very large packets
2947 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2948 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2949 $pkt = "frag";
2950 }
2951
2952 $self->send_packet ($pkt);
2953}
2954
2415=item $client->send_msg ($color, $type, $msg, [extra...]) 2955=item $client->send_msg ($channel, $msg, $color, [extra...])
2416 2956
2417Send a drawinfo or msg packet to the client, formatting the msg for the 2957Send a drawinfo or msg packet to the client, formatting the msg for the
2418client if neccessary. C<$type> should be a string identifying the type of 2958client if neccessary. C<$type> should be a string identifying the type of
2419the message, with C<log> being the default. If C<$color> is negative, suppress 2959the message, with C<log> being the default. If C<$color> is negative, suppress
2420the message unless the client supports the msg packet. 2960the message unless the client supports the msg packet.
2421 2961
2422=cut 2962=cut
2423 2963
2964# non-persistent channels (usually the info channel)
2965our %CHANNEL = (
2966 "c/motd" => {
2967 id => "infobox",
2968 title => "MOTD",
2969 reply => undef,
2970 tooltip => "The message of the day",
2971 },
2972 "c/identify" => {
2973 id => "infobox",
2974 title => "Identify",
2975 reply => undef,
2976 tooltip => "Items recently identified",
2977 },
2978 "c/examine" => {
2979 id => "infobox",
2980 title => "Examine",
2981 reply => undef,
2982 tooltip => "Signs and other items you examined",
2983 },
2984 "c/shopinfo" => {
2985 id => "infobox",
2986 title => "Shop Info",
2987 reply => undef,
2988 tooltip => "What your bargaining skill tells you about the shop",
2989 },
2990 "c/book" => {
2991 id => "infobox",
2992 title => "Book",
2993 reply => undef,
2994 tooltip => "The contents of a note or book",
2995 },
2996 "c/lookat" => {
2997 id => "infobox",
2998 title => "Look",
2999 reply => undef,
3000 tooltip => "What you saw there",
3001 },
3002 "c/who" => {
3003 id => "infobox",
3004 title => "Players",
3005 reply => undef,
3006 tooltip => "Shows players who are currently online",
3007 },
3008 "c/body" => {
3009 id => "infobox",
3010 title => "Body Parts",
3011 reply => undef,
3012 tooltip => "Shows which body parts you posess and are available",
3013 },
3014 "c/statistics" => {
3015 id => "infobox",
3016 title => "Statistics",
3017 reply => undef,
3018 tooltip => "Shows your primary statistics",
3019 },
3020 "c/skills" => {
3021 id => "infobox",
3022 title => "Skills",
3023 reply => undef,
3024 tooltip => "Shows your experience per skill and item power",
3025 },
3026 "c/shopitems" => {
3027 id => "infobox",
3028 title => "Shop Items",
3029 reply => undef,
3030 tooltip => "Shows the items currently for sale in this shop",
3031 },
3032 "c/resistances" => {
3033 id => "infobox",
3034 title => "Resistances",
3035 reply => undef,
3036 tooltip => "Shows your resistances",
3037 },
3038 "c/pets" => {
3039 id => "infobox",
3040 title => "Pets",
3041 reply => undef,
3042 tooltip => "Shows information abotu your pets/a specific pet",
3043 },
3044 "c/perceiveself" => {
3045 id => "infobox",
3046 title => "Perceive Self",
3047 reply => undef,
3048 tooltip => "You gained detailed knowledge about yourself",
3049 },
3050 "c/uptime" => {
3051 id => "infobox",
3052 title => "Uptime",
3053 reply => undef,
3054 tooltip => "How long the server has been running since last restart",
3055 },
3056 "c/mapinfo" => {
3057 id => "infobox",
3058 title => "Map Info",
3059 reply => undef,
3060 tooltip => "Information related to the maps",
3061 },
3062 "c/party" => {
3063 id => "party",
3064 title => "Party",
3065 reply => "gsay ",
3066 tooltip => "Messages and chat related to your party",
3067 },
3068 "c/death" => {
3069 id => "death",
3070 title => "Death",
3071 reply => undef,
3072 tooltip => "Reason for and more info about your most recent death",
3073 },
3074 "c/say" => $SAY_CHANNEL,
3075 "c/chat" => $CHAT_CHANNEL,
3076);
3077
2424sub cf::client::send_msg { 3078sub cf::client::send_msg {
2425 my ($self, $color, $type, $msg, @extra) = @_; 3079 my ($self, $channel, $msg, $color, @extra) = @_;
2426 3080
2427 $msg = $self->pl->expand_cfpod ($msg); 3081 $msg = $self->pl->expand_cfpod ($msg)
3082 unless $color & cf::NDI_VERBATIM;
3083
3084 $color &= cf::NDI_CLIENT_MASK; # just in case...
3085
3086 # check predefined channels, for the benefit of C
3087 if ($CHANNEL{$channel}) {
3088 $channel = $CHANNEL{$channel};
3089
3090 $self->ext_msg (channel_info => $channel);
3091 $channel = $channel->{id};
3092
3093 } elsif (ref $channel) {
3094 # send meta info to client, if not yet sent
3095 unless (exists $self->{channel}{$channel->{id}}) {
3096 $self->{channel}{$channel->{id}} = $channel;
3097 $self->ext_msg (channel_info => $channel);
3098 }
3099
3100 $channel = $channel->{id};
3101 }
2428 3102
2429 return unless @extra || length $msg; 3103 return unless @extra || length $msg;
2430 3104
2431 if ($self->can_msg) { 3105 # default colour, mask it out
2432 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 3106 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433 } else { 3107 if $color & cf::NDI_DEF;
2434 # replace some tags by gcfclient-compatible ones
2435 for ($msg) {
2436 1 while
2437 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442 }
2443 3108
2444 if ($color >= 0) { 3109 my $pkt = "msg "
2445 if (0 && $msg =~ /\[/) { 3110 . $self->{json_coder}->encode (
2446 $self->send_packet ("drawextinfo $color 4 0 $msg") 3111 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447 } else { 3112 );
2448 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449 $self->send_packet ("drawinfo $color $msg")
2450 }
2451 }
2452 }
2453}
2454 3113
3114 $self->send_big_packet ($pkt);
3115}
3116
2455=item $client->ext_event ($type, %msg) 3117=item $client->ext_msg ($type, @msg)
2456 3118
2457Sends an ext event to the client. 3119Sends an ext event to the client.
2458 3120
2459=cut 3121=cut
2460 3122
2461sub cf::client::ext_event($$%) { 3123sub cf::client::ext_msg($$@) {
2462 my ($self, $type, %msg) = @_; 3124 my ($self, $type, @msg) = @_;
2463 3125
3126 if ($self->extcmd == 2) {
3127 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3128 } elsif ($self->extcmd == 1) { # TODO: remove
2464 $msg{msgtype} = "event_$type"; 3129 push @msg, msgtype => "event_$type";
2465 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3130 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3131 }
3132}
3133
3134=item $client->ext_reply ($msgid, @msg)
3135
3136Sends an ext reply to the client.
3137
3138=cut
3139
3140sub cf::client::ext_reply($$@) {
3141 my ($self, $id, @msg) = @_;
3142
3143 if ($self->extcmd == 2) {
3144 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3145 } elsif ($self->extcmd == 1) {
3146 #TODO: version 1, remove
3147 unshift @msg, msgtype => "reply", msgid => $id;
3148 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3149 }
2466} 3150}
2467 3151
2468=item $success = $client->query ($flags, "text", \&cb) 3152=item $success = $client->query ($flags, "text", \&cb)
2469 3153
2470Queues a query to the client, calling the given callback with 3154Queues a query to the client, calling the given callback with
2525 my ($ns, $buf) = @_; 3209 my ($ns, $buf) = @_;
2526 3210
2527 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3211 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528 3212
2529 if (ref $msg) { 3213 if (ref $msg) {
3214 my ($type, $reply, @payload) =
3215 "ARRAY" eq ref $msg
3216 ? @$msg
3217 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3218
3219 my @reply;
3220
2530 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3221 if (my $cb = $EXTICMD{$type}) {
2531 if (my %reply = $cb->($ns, $msg)) { 3222 @reply = $cb->($ns, @payload);
2532 $reply{msgid} = $msg->{msgid};
2533 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534 }
2535 } 3223 }
3224
3225 $ns->ext_reply ($reply, @reply)
3226 if $reply;
3227
2536 } else { 3228 } else {
2537 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3229 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538 } 3230 }
2539 3231
2540 cf::override; 3232 cf::override;
2541 }, 3233 },
2542); 3234);
2562 3254
2563 $coro 3255 $coro
2564} 3256}
2565 3257
2566cf::client->attach ( 3258cf::client->attach (
2567 on_destroy => sub { 3259 on_client_destroy => sub {
2568 my ($ns) = @_; 3260 my ($ns) = @_;
2569 3261
2570 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3262 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571 }, 3263 },
2572); 3264);
2587our $safe = new Safe "safe"; 3279our $safe = new Safe "safe";
2588our $safe_hole = new Safe::Hole; 3280our $safe_hole = new Safe::Hole;
2589 3281
2590$SIG{FPE} = 'IGNORE'; 3282$SIG{FPE} = 'IGNORE';
2591 3283
2592$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3284$safe->permit_only (Opcode::opset qw(
3285 :base_core :base_mem :base_orig :base_math :base_loop
3286 grepstart grepwhile mapstart mapwhile
3287 sort time
3288));
2593 3289
2594# here we export the classes and methods available to script code 3290# here we export the classes and methods available to script code
2595 3291
2596=pod 3292=pod
2597 3293
2598The following functions and methods are available within a safe environment: 3294The following functions and methods are available within a safe environment:
2599 3295
2600 cf::object 3296 cf::object
2601 contr pay_amount pay_player map x y force_find force_add 3297 contr pay_amount pay_player map x y force_find force_add destroy
2602 insert remove 3298 insert remove name archname title slaying race decrease split
3299 value
2603 3300
2604 cf::object::player 3301 cf::object::player
2605 player 3302 player
2606 3303
2607 cf::player 3304 cf::player
2612 3309
2613=cut 3310=cut
2614 3311
2615for ( 3312for (
2616 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3313 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617 insert remove)], 3314 insert remove inv nrof name archname title slaying race
3315 decrease split destroy change_exp value msg lore send_msg)],
2618 ["cf::object::player" => qw(player)], 3316 ["cf::object::player" => qw(player)],
2619 ["cf::player" => qw(peaceful)], 3317 ["cf::player" => qw(peaceful send_msg)],
2620 ["cf::map" => qw(trigger)], 3318 ["cf::map" => qw(trigger)],
2621) { 3319) {
2622 no strict 'refs';
2623 my ($pkg, @funs) = @$_; 3320 my ($pkg, @funs) = @$_;
2624 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3321 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625 for @funs; 3322 for @funs;
2626} 3323}
2627 3324
2642 3339
2643 my $qcode = $code; 3340 my $qcode = $code;
2644 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3341 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2645 $qcode =~ s/\n/\\n/g; 3342 $qcode =~ s/\n/\\n/g;
2646 3343
3344 %vars = (_dummy => 0) unless %vars;
3345
3346 my @res;
2647 local $_; 3347 local $_;
2648 local @safe::cf::_safe_eval_args = values %vars;
2649 3348
2650 my $eval = 3349 my $eval =
2651 "do {\n" 3350 "do {\n"
2652 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3351 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653 . "#line 0 \"{$qcode}\"\n" 3352 . "#line 0 \"{$qcode}\"\n"
2654 . $code 3353 . $code
2655 . "\n}" 3354 . "\n}"
2656 ; 3355 ;
2657 3356
3357 if ($CFG{safe_eval}) {
2658 sub_generation_inc; 3358 sub_generation_inc;
3359 local @safe::cf::_safe_eval_args = values %vars;
2659 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3360 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660 sub_generation_inc; 3361 sub_generation_inc;
3362 } else {
3363 local @cf::_safe_eval_args = values %vars;
3364 @res = wantarray ? eval eval : scalar eval $eval;
3365 }
2661 3366
2662 if ($@) { 3367 if ($@) {
2663 warn "$@"; 3368 warn "$@",
2664 warn "while executing safe code '$code'\n"; 3369 "while executing safe code '$code'\n",
2665 warn "with arguments " . (join " ", %vars) . "\n"; 3370 "with arguments " . (join " ", %vars) . "\n";
2666 } 3371 }
2667 3372
2668 wantarray ? @res : $res[0] 3373 wantarray ? @res : $res[0]
2669} 3374}
2670 3375
2684=cut 3389=cut
2685 3390
2686sub register_script_function { 3391sub register_script_function {
2687 my ($fun, $cb) = @_; 3392 my ($fun, $cb) = @_;
2688 3393
2689 no strict 'refs'; 3394 $fun = "safe::$fun" if $CFG{safe_eval};
2690 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3395 *$fun = $safe_hole->wrap ($cb);
2691} 3396}
2692 3397
2693=back 3398=back
2694 3399
2695=cut 3400=cut
2698# the server's init and main functions 3403# the server's init and main functions
2699 3404
2700sub load_facedata($) { 3405sub load_facedata($) {
2701 my ($path) = @_; 3406 my ($path) = @_;
2702 3407
3408 # HACK to clear player env face cache, we need some signal framework
3409 # for this (global event?)
3410 %ext::player_env::MUSIC_FACE_CACHE = ();
3411
3412 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3413
2703 warn "loading facedata from $path\n"; 3414 trace "loading facedata from $path\n";
2704 3415
2705 my $facedata;
2706 0 < aio_load $path, $facedata 3416 0 < aio_load $path, my $facedata
2707 or die "$path: $!"; 3417 or die "$path: $!";
2708 3418
2709 $facedata = Coro::Storable::thaw $facedata; 3419 $facedata = Coro::Storable::thaw $facedata;
2710 3420
2711 $facedata->{version} == 2 3421 $facedata->{version} == 2
2712 or cf::cleanup "$path: version mismatch, cannot proceed."; 3422 or cf::cleanup "$path: version mismatch, cannot proceed.";
2713 3423
3424 # patch in the exptable
3425 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3426 $facedata->{resource}{"res/exp_table"} = {
3427 type => FT_RSRC,
3428 data => $exp_table,
3429 hash => (Digest::MD5::md5 $exp_table),
3430 };
3431 cf::cede_to_tick;
3432
2714 { 3433 {
2715 my $faces = $facedata->{faceinfo}; 3434 my $faces = $facedata->{faceinfo};
2716 3435
2717 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2718 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3437 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3438
2719 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3439 cf::face::set_visibility $idx, $info->{visibility};
3440 cf::face::set_magicmap $idx, $info->{magicmap};
2720 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3441 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3442 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722 Coro::cede; 3443
3444 cf::cede_to_tick;
2723 } 3445 }
2724 3446
2725 while (my ($face, $info) = each %$faces) { 3447 while (my ($face, $info) = each %$faces) {
2726 next unless $info->{smooth}; 3448 next unless $info->{smooth};
3449
2727 my $idx = cf::face::find $face 3450 my $idx = cf::face::find $face
2728 or next; 3451 or next;
3452
2729 if (my $smooth = cf::face::find $info->{smooth}) { 3453 if (my $smooth = cf::face::find $info->{smooth}) {
3454 cf::face::set_smooth $idx, $smooth;
2730 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3455 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731 } else { 3456 } else {
2732 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3457 error "smooth face '$info->{smooth}' not found for face '$face'";
2733 } 3458 }
2734 Coro::cede; 3459
3460 cf::cede_to_tick;
2735 } 3461 }
2736 } 3462 }
2737 3463
2738 { 3464 {
2739 my $anims = $facedata->{animinfo}; 3465 my $anims = $facedata->{animinfo};
2740 3466
2741 while (my ($anim, $info) = each %$anims) { 3467 while (my ($anim, $info) = each %$anims) {
2742 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3468 cf::anim::set $anim, $info->{frames}, $info->{facings};
2743 Coro::cede; 3469 cf::cede_to_tick;
2744 } 3470 }
2745 3471
2746 cf::anim::invalidate_all; # d'oh 3472 cf::anim::invalidate_all; # d'oh
2747 } 3473 }
2748 3474
3475 {
3476 my $res = $facedata->{resource};
3477
3478 while (my ($name, $info) = each %$res) {
3479 if (defined $info->{type}) {
3480 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3481
3482 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3483 cf::face::set_type $idx, $info->{type};
3484 } else {
3485 $RESOURCE{$name} = $info; # unused
3486 }
3487
3488 cf::cede_to_tick;
3489 }
3490 }
3491
3492 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3493
2749 1 3494 1
2750} 3495}
2751 3496
3497register_exticmd fx_want => sub {
3498 my ($ns, $want) = @_;
3499
3500 while (my ($k, $v) = each %$want) {
3501 $ns->fx_want ($k, $v);
3502 }
3503};
3504
3505sub load_resource_file($) {
3506 my $guard = lock_acquire "load_resource_file";
3507
3508 my $status = load_resource_file_ $_[0];
3509 get_slot 0.1, 100;
3510 cf::arch::commit_load;
3511
3512 $status
3513}
3514
2752sub reload_regions { 3515sub reload_regions {
3516 # HACK to clear player env face cache, we need some signal framework
3517 # for this (global event?)
3518 %ext::player_env::MUSIC_FACE_CACHE = ();
3519
2753 load_resource_file "$MAPDIR/regions" 3520 load_resource_file "$MAPDIR/regions"
2754 or die "unable to load regions file\n"; 3521 or die "unable to load regions file\n";
3522
3523 for (cf::region::list) {
3524 $_->{match} = qr/$_->{match}/
3525 if exists $_->{match};
3526 }
2755} 3527}
2756 3528
2757sub reload_facedata { 3529sub reload_facedata {
2758 load_facedata "$DATADIR/facedata" 3530 load_facedata "$DATADIR/facedata"
2759 or die "unable to load facedata\n"; 3531 or die "unable to load facedata\n";
2760} 3532}
2761 3533
2762sub reload_archetypes { 3534sub reload_archetypes {
2763 load_resource_file "$DATADIR/archetypes" 3535 load_resource_file "$DATADIR/archetypes"
2764 or die "unable to load archetypes\n"; 3536 or die "unable to load archetypes\n";
2765 #d# NEED to laod twice to resolve forward references
2766 # this really needs to be done in an extra post-pass
2767 # (which needs to be synchronous, so solve it differently)
2768 load_resource_file "$DATADIR/archetypes"
2769 or die "unable to load archetypes\n";
2770} 3537}
2771 3538
2772sub reload_treasures { 3539sub reload_treasures {
2773 load_resource_file "$DATADIR/treasures" 3540 load_resource_file "$DATADIR/treasures"
2774 or die "unable to load treasurelists\n"; 3541 or die "unable to load treasurelists\n";
2775} 3542}
2776 3543
3544sub reload_sound {
3545 trace "loading sound config from $DATADIR/sound\n";
3546
3547 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3548 or die "$DATADIR/sound $!";
3549
3550 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3551
3552 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3553 my $sound = $soundconf->{compat}[$_]
3554 or next;
3555
3556 my $face = cf::face::find "sound/$sound->[1]";
3557 cf::sound::set $sound->[0] => $face;
3558 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3559 }
3560
3561 while (my ($k, $v) = each %{$soundconf->{event}}) {
3562 my $face = cf::face::find "sound/$v";
3563 cf::sound::set $k => $face;
3564 }
3565}
3566
2777sub reload_resources { 3567sub reload_resources {
2778 warn "reloading resource files...\n"; 3568 trace "reloading resource files...\n";
2779 3569
3570 reload_exp_table;
3571 reload_materials;
3572 reload_facedata;
3573 reload_sound;
3574 reload_archetypes;
2780 reload_regions; 3575 reload_regions;
2781 reload_facedata;
2782 #reload_archetypes;#d#
2783 reload_archetypes;
2784 reload_treasures; 3576 reload_treasures;
2785 3577
2786 warn "finished reloading resource files\n"; 3578 trace "finished reloading resource files\n";
2787} 3579}
2788 3580
2789sub init { 3581sub reload_config {
2790 reload_resources; 3582 trace "reloading config file...\n";
2791}
2792 3583
2793sub cfg_load { 3584 0 < aio_load "$CONFDIR/config", my $config
2794 open my $fh, "<:utf8", "$CONFDIR/config" 3585 or die "$CONFDIR/config: $!";
2795 or return;
2796 3586
2797 local $/; 3587 utf8::decode $config;
2798 *CFG = YAML::Syck::Load <$fh>; 3588 *CFG = yaml_load $config;
2799 3589
2800 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3590 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801 3591
2802 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3592 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3593 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804 3594
2805 if (exists $CFG{mlockall}) { 3595 if (exists $CFG{mlockall}) {
2809 }; 3599 };
2810 warn $@ if $@; 3600 warn $@ if $@;
2811 } 3601 }
2812} 3602}
2813 3603
3604sub pidfile() {
3605 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3606 or die "$PIDFILE: $!";
3607 flock $fh, &Fcntl::LOCK_EX
3608 or die "$PIDFILE: flock: $!";
3609 $fh
3610}
3611
3612# make sure only one server instance is running at any one time
3613sub atomic {
3614 my $fh = pidfile;
3615
3616 my $pid = <$fh>;
3617 kill 9, $pid if $pid > 0;
3618
3619 seek $fh, 0, 0;
3620 print $fh $$;
3621}
3622
3623sub main_loop {
3624 trace "EV::loop starting\n";
3625 if (1) {
3626 EV::loop;
3627 }
3628 trace "EV::loop returned\n";
3629 goto &main_loop unless $REALLY_UNLOOP;
3630}
3631
2814sub main { 3632sub main {
3633 cf::init_globals; # initialise logging
3634
3635 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3636 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3637 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3638 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3639
3640 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3641
2815 # we must not ever block the main coroutine 3642 # we must not ever block the main coroutine
2816 local $Coro::idle = sub { 3643 local $Coro::idle = sub {
2817 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3644 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818 (async { 3645 (async {
2819 Event::one_event; 3646 $Coro::current->{desc} = "IDLE BUG HANDLER";
3647 EV::loop EV::LOOP_ONESHOT;
2820 })->prio (Coro::PRIO_MAX); 3648 })->prio (Coro::PRIO_MAX);
2821 }; 3649 };
2822 3650
2823 cfg_load; 3651 evthread_start IO::AIO::poll_fileno;
3652
3653 cf::sync_job {
3654 cf::incloader::init ();
3655
3656 cf::init_anim;
3657 cf::init_attackmess;
3658 cf::init_dynamic;
3659
3660 cf::load_settings;
3661
3662 reload_resources;
3663 reload_config;
2824 db_init; 3664 db_init;
3665
3666 cf::init_uuid;
3667 cf::init_signals;
3668 cf::init_skills;
3669
3670 cf::init_beforeplay;
3671
3672 atomic;
3673
2825 load_extensions; 3674 load_extensions;
2826 3675
2827 $TICK_WATCHER->start; 3676 utime time, time, $RUNTIMEFILE;
2828 Event::loop; 3677
3678 # no (long-running) fork's whatsoever before this point(!)
3679 use POSIX ();
3680 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3681
3682 cf::_post_init 0;
3683 };
3684
3685 cf::object::thawer::errors_are_fatal 0;
3686 info "parse errors in files are no longer fatal from this point on.\n";
3687
3688 my $free_main; $free_main = EV::idle sub {
3689 undef $free_main;
3690 undef &main; # free gobs of memory :)
3691 };
3692
3693 goto &main_loop;
2829} 3694}
2830 3695
2831############################################################################# 3696#############################################################################
2832# initialisation and cleanup 3697# initialisation and cleanup
2833 3698
2834# install some emergency cleanup handlers 3699# install some emergency cleanup handlers
2835BEGIN { 3700BEGIN {
3701 our %SIGWATCHER = ();
2836 for my $signal (qw(INT HUP TERM)) { 3702 for my $signal (qw(INT HUP TERM)) {
2837 Event->signal ( 3703 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2838 reentrant => 0,
2839 data => WF_AUTOCANCEL,
2840 signal => $signal,
2841 prio => 0,
2842 cb => sub {
2843 cf::cleanup "SIG$signal"; 3704 cf::cleanup "SIG$signal";
2844 },
2845 ); 3705 };
2846 } 3706 }
2847} 3707}
2848 3708
2849sub write_runtime { 3709sub write_runtime_sync {
2850 my $runtime = "$LOCALDIR/runtime"; 3710 my $t0 = AE::time;
2851 3711
2852 # first touch the runtime file to show we are still running: 3712 # first touch the runtime file to show we are still running:
2853 # the fsync below can take a very very long time. 3713 # the fsync below can take a very very long time.
2854 3714
2855 IO::AIO::aio_utime $runtime, undef, undef; 3715 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856 3716
2857 my $guard = cf::lock_acquire "write_runtime"; 3717 my $guard = cf::lock_acquire "write_runtime";
2858 3718
2859 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3719 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860 or return; 3720 or return;
2861 3721
2862 my $value = $cf::RUNTIME + 90 + 10; 3722 my $value = $cf::RUNTIME + 90 + 10;
2863 # 10 is the runtime save interval, for a monotonic clock 3723 # 10 is the runtime save interval, for a monotonic clock
2864 # 60 allows for the watchdog to kill the server. 3724 # 60 allows for the watchdog to kill the server.
2874 aio_utime $fh, undef, undef; 3734 aio_utime $fh, undef, undef;
2875 3735
2876 close $fh 3736 close $fh
2877 or return; 3737 or return;
2878 3738
2879 aio_rename "$runtime~", $runtime 3739 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880 and return; 3740 and return;
2881 3741
2882 warn "runtime file written.\n"; 3742 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883 3743
2884 1 3744 1
3745}
3746
3747our $uuid_lock;
3748our $uuid_skip;
3749
3750sub write_uuid_sync($) {
3751 $uuid_skip ||= $_[0];
3752
3753 return if $uuid_lock;
3754 local $uuid_lock = 1;
3755
3756 my $uuid = "$LOCALDIR/uuid";
3757
3758 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3759 or return;
3760
3761 my $value = uuid_seq uuid_cur;
3762
3763 unless ($value) {
3764 info "cowardly refusing to write zero uuid value!\n";
3765 return;
3766 }
3767
3768 my $value = uuid_str $value + $uuid_skip;
3769 $uuid_skip = 0;
3770
3771 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3772 and return;
3773
3774 # always fsync - this file is important
3775 aio_fsync $fh
3776 and return;
3777
3778 close $fh
3779 or return;
3780
3781 aio_rename "$uuid~", $uuid
3782 and return;
3783
3784 trace "uuid file written ($value).\n";
3785
3786 1
3787
3788}
3789
3790sub write_uuid($$) {
3791 my ($skip, $sync) = @_;
3792
3793 $sync ? write_uuid_sync $skip
3794 : async { write_uuid_sync $skip };
2885} 3795}
2886 3796
2887sub emergency_save() { 3797sub emergency_save() {
2888 my $freeze_guard = cf::freeze_mainloop; 3798 my $freeze_guard = cf::freeze_mainloop;
2889 3799
2890 warn "enter emergency perl save\n"; 3800 info "emergency_perl_save: enter\n";
3801
3802 # this is a trade-off: we want to be very quick here, so
3803 # save all maps without fsync, and later call a global sync
3804 # (which in turn might be very very slow)
3805 local $USE_FSYNC = 0;
2891 3806
2892 cf::sync_job { 3807 cf::sync_job {
3808 cf::write_runtime_sync; # external watchdog should not bark
3809
2893 # use a peculiar iteration method to avoid tripping on perl 3810 # use a peculiar iteration method to avoid tripping on perl
2894 # refcount bugs in for. also avoids problems with players 3811 # refcount bugs in for. also avoids problems with players
2895 # and maps saved/destroyed asynchronously. 3812 # and maps saved/destroyed asynchronously.
2896 warn "begin emergency player save\n"; 3813 info "emergency_perl_save: begin player save\n";
2897 for my $login (keys %cf::PLAYER) { 3814 for my $login (keys %cf::PLAYER) {
2898 my $pl = $cf::PLAYER{$login} or next; 3815 my $pl = $cf::PLAYER{$login} or next;
2899 $pl->valid or next; 3816 $pl->valid or next;
3817 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900 $pl->save; 3818 $pl->save;
2901 } 3819 }
2902 warn "end emergency player save\n"; 3820 info "emergency_perl_save: end player save\n";
2903 3821
2904 warn "begin emergency map save\n"; 3822 cf::write_runtime_sync; # external watchdog should not bark
3823
3824 info "emergency_perl_save: begin map save\n";
2905 for my $path (keys %cf::MAP) { 3825 for my $path (keys %cf::MAP) {
2906 my $map = $cf::MAP{$path} or next; 3826 my $map = $cf::MAP{$path} or next;
2907 $map->valid or next; 3827 $map->valid or next;
2908 $map->save; 3828 $map->save;
2909 } 3829 }
2910 warn "end emergency map save\n"; 3830 info "emergency_perl_save: end map save\n";
2911 3831
2912 warn "begin emergency database checkpoint\n"; 3832 cf::write_runtime_sync; # external watchdog should not bark
3833
3834 info "emergency_perl_save: begin database checkpoint\n";
2913 BDB::db_env_txn_checkpoint $DB_ENV; 3835 BDB::db_env_txn_checkpoint $DB_ENV;
2914 warn "end emergency database checkpoint\n"; 3836 info "emergency_perl_save: end database checkpoint\n";
3837
3838 info "emergency_perl_save: begin write uuid\n";
3839 write_uuid_sync 1;
3840 info "emergency_perl_save: end write uuid\n";
3841
3842 cf::write_runtime_sync; # external watchdog should not bark
3843
3844 trace "emergency_perl_save: syncing database to disk";
3845 BDB::db_env_txn_checkpoint $DB_ENV;
3846
3847 info "emergency_perl_save: starting sync\n";
3848 IO::AIO::aio_sync sub {
3849 info "emergency_perl_save: finished sync\n";
3850 };
3851
3852 cf::write_runtime_sync; # external watchdog should not bark
3853
3854 trace "emergency_perl_save: flushing outstanding aio requests";
3855 while (IO::AIO::nreqs || BDB::nreqs) {
3856 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3857 }
3858
3859 cf::write_runtime_sync; # external watchdog should not bark
2915 }; 3860 };
2916 3861
2917 warn "leave emergency perl save\n"; 3862 info "emergency_perl_save: leave\n";
2918} 3863}
2919 3864
2920sub post_cleanup { 3865sub post_cleanup {
2921 my ($make_core) = @_; 3866 my ($make_core) = @_;
2922 3867
3868 IO::AIO::flush;
3869
2923 warn Carp::longmess "post_cleanup backtrace" 3870 error Carp::longmess "post_cleanup backtrace"
2924 if $make_core; 3871 if $make_core;
3872
3873 my $fh = pidfile;
3874 unlink $PIDFILE if <$fh> == $$;
3875}
3876
3877# a safer delete_package, copied from Symbol
3878sub clear_package($) {
3879 my $pkg = shift;
3880
3881 # expand to full symbol table name if needed
3882 unless ($pkg =~ /^main::.*::$/) {
3883 $pkg = "main$pkg" if $pkg =~ /^::/;
3884 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3885 $pkg .= '::' unless $pkg =~ /::$/;
3886 }
3887
3888 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3889 my $stem_symtab = *{$stem}{HASH};
3890
3891 defined $stem_symtab and exists $stem_symtab->{$leaf}
3892 or return;
3893
3894 # clear all symbols
3895 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3896 for my $name (keys %$leaf_symtab) {
3897 _gv_clear *{"$pkg$name"};
3898# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3899 }
2925} 3900}
2926 3901
2927sub do_reload_perl() { 3902sub do_reload_perl() {
2928 # can/must only be called in main 3903 # can/must only be called in main
2929 if ($Coro::current != $Coro::main) { 3904 unless (in_main) {
2930 warn "can only reload from main coroutine"; 3905 error "can only reload from main coroutine";
2931 return; 3906 return;
2932 } 3907 }
2933 3908
2934 warn "reloading..."; 3909 return if $RELOAD++;
2935 3910
2936 warn "entering sync_job"; 3911 my $t1 = AE::time;
2937 3912
3913 while ($RELOAD) {
3914 cf::get_slot 0.1, -1, "reload_perl";
3915 info "perl_reload: reloading...";
3916
3917 trace "perl_reload: entering sync_job";
3918
2938 cf::sync_job { 3919 cf::sync_job {
2939 cf::write_runtime; # external watchdog should not bark
2940 cf::emergency_save; 3920 #cf::emergency_save;
2941 cf::write_runtime; # external watchdog should not bark
2942 3921
2943 warn "syncing database to disk";
2944 BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946 # if anything goes wrong in here, we should simply crash as we already saved
2947
2948 warn "cancelling all WF_AUTOCANCEL watchers";
2949 for (Event::all_watchers) {
2950 $_->cancel if $_->data & WF_AUTOCANCEL;
2951 }
2952
2953 warn "flushing outstanding aio requests";
2954 for (;;) {
2955 BDB::flush;
2956 IO::AIO::flush;
2957 Coro::cede;
2958 last unless IO::AIO::nreqs || BDB::nreqs;
2959 warn "iterate...";
2960 }
2961
2962 ++$RELOAD;
2963
2964 warn "cancelling all extension coros"; 3922 trace "perl_reload: cancelling all extension coros";
2965 $_->cancel for values %EXT_CORO; 3923 $_->cancel for values %EXT_CORO;
2966 %EXT_CORO = (); 3924 %EXT_CORO = ();
2967 3925
2968 warn "removing commands"; 3926 trace "perl_reload: removing commands";
2969 %COMMAND = (); 3927 %COMMAND = ();
2970 3928
2971 warn "removing ext/exti commands"; 3929 trace "perl_reload: removing ext/exti commands";
2972 %EXTCMD = (); 3930 %EXTCMD = ();
2973 %EXTICMD = (); 3931 %EXTICMD = ();
2974 3932
2975 warn "unloading/nuking all extensions"; 3933 trace "perl_reload: unloading/nuking all extensions";
2976 for my $pkg (@EXTS) { 3934 for my $pkg (@EXTS) {
2977 warn "... unloading $pkg"; 3935 trace "... unloading $pkg";
2978 3936
2979 if (my $cb = $pkg->can ("unload")) { 3937 if (my $cb = $pkg->can ("unload")) {
2980 eval { 3938 eval {
2981 $cb->($pkg); 3939 $cb->($pkg);
2982 1 3940 1
2983 } or warn "$pkg unloaded, but with errors: $@"; 3941 } or error "$pkg unloaded, but with errors: $@";
3942 }
3943
3944 trace "... clearing $pkg";
3945 clear_package $pkg;
2984 } 3946 }
2985 3947
2986 warn "... nuking $pkg";
2987 Symbol::delete_package $pkg;
2988 }
2989
2990 warn "unloading all perl modules loaded from $LIBDIR"; 3948 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991 while (my ($k, $v) = each %INC) { 3949 while (my ($k, $v) = each %INC) {
2992 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3950 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993 3951
2994 warn "... unloading $k"; 3952 trace "... unloading $k";
2995 delete $INC{$k}; 3953 delete $INC{$k};
2996 3954
2997 $k =~ s/\.pm$//; 3955 $k =~ s/\.pm$//;
2998 $k =~ s/\//::/g; 3956 $k =~ s/\//::/g;
2999 3957
3000 if (my $cb = $k->can ("unload_module")) { 3958 if (my $cb = $k->can ("unload_module")) {
3001 $cb->(); 3959 $cb->();
3960 }
3961
3962 clear_package $k;
3002 } 3963 }
3003 3964
3004 Symbol::delete_package $k;
3005 }
3006
3007 warn "getting rid of safe::, as good as possible"; 3965 trace "perl_reload: getting rid of safe::, as good as possible";
3008 Symbol::delete_package "safe::$_" 3966 clear_package "safe::$_"
3009 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3967 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010 3968
3011 warn "unloading cf.pm \"a bit\""; 3969 trace "perl_reload: unloading cf.pm \"a bit\"";
3012 delete $INC{"cf.pm"}; 3970 delete $INC{"cf.pm"};
3013 delete $INC{"cf/pod.pm"}; 3971 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014 3972
3015 # don't, removes xs symbols, too, 3973 # don't, removes xs symbols, too,
3016 # and global variables created in xs 3974 # and global variables created in xs
3017 #Symbol::delete_package __PACKAGE__; 3975 #clear_package __PACKAGE__;
3018 3976
3019 warn "unload completed, starting to reload now"; 3977 info "perl_reload: unload completed, starting to reload now";
3020 3978
3021 warn "reloading cf.pm"; 3979 trace "perl_reload: reloading cf.pm";
3022 require cf; 3980 require cf;
3023 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3981 cf::_connect_to_perl_1;
3024 3982
3025 warn "loading config and database again"; 3983 trace "perl_reload: loading config and database again";
3026 cf::cfg_load; 3984 cf::reload_config;
3027 3985
3028 warn "loading extensions"; 3986 trace "perl_reload: loading extensions";
3029 cf::load_extensions; 3987 cf::load_extensions;
3030 3988
3989 if ($REATTACH_ON_RELOAD) {
3031 warn "reattaching attachments to objects/players"; 3990 trace "perl_reload: reattaching attachments to objects/players";
3032 _global_reattach; # objects, sockets 3991 _global_reattach; # objects, sockets
3033 warn "reattaching attachments to maps"; 3992 trace "perl_reload: reattaching attachments to maps";
3034 reattach $_ for values %MAP; 3993 reattach $_ for values %MAP;
3035 warn "reattaching attachments to players"; 3994 trace "perl_reload: reattaching attachments to players";
3036 reattach $_ for values %PLAYER; 3995 reattach $_ for values %PLAYER;
3996 }
3037 3997
3038 warn "leaving sync_job"; 3998 cf::_post_init 1;
3039 3999
4000 trace "perl_reload: leaving sync_job";
4001
3040 1 4002 1
3041 } or do { 4003 } or do {
3042 warn $@; 4004 error $@;
3043 warn "error while reloading, exiting."; 4005 cf::cleanup "perl_reload: error, exiting.";
3044 exit 1; 4006 };
4007
4008 --$RELOAD;
3045 }; 4009 }
3046 4010
3047 warn "reloaded"; 4011 $t1 = AE::time - $t1;
4012 info "perl_reload: completed in ${t1}s\n";
3048}; 4013};
3049 4014
3050our $RELOAD_WATCHER; # used only during reload 4015our $RELOAD_WATCHER; # used only during reload
3051 4016
3052sub reload_perl() { 4017sub reload_perl() {
3053 # doing reload synchronously and two reloads happen back-to-back, 4018 # doing reload synchronously and two reloads happen back-to-back,
3054 # coro crashes during coro_state_free->destroy here. 4019 # coro crashes during coro_state_free->destroy here.
3055 4020
3056 $RELOAD_WATCHER ||= Event->timer ( 4021 $RELOAD_WATCHER ||= cf::async {
3057 reentrant => 0, 4022 Coro::AIO::aio_wait cache_extensions;
3058 after => 0, 4023
3059 data => WF_AUTOCANCEL, 4024 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060 cb => sub {
3061 do_reload_perl; 4025 do_reload_perl;
3062 undef $RELOAD_WATCHER; 4026 undef $RELOAD_WATCHER;
3063 }, 4027 };
3064 ); 4028 };
3065} 4029}
3066 4030
3067register_command "reload" => sub { 4031register_command "reload" => sub {
3068 my ($who, $arg) = @_; 4032 my ($who, $arg) = @_;
3069 4033
3070 if ($who->flag (FLAG_WIZ)) { 4034 if ($who->flag (FLAG_WIZ)) {
3071 $who->message ("reloading server."); 4035 $who->message ("reloading server.");
4036 async {
4037 $Coro::current->{desc} = "perl_reload";
3072 async { reload_perl }; 4038 reload_perl;
4039 };
3073 } 4040 }
3074}; 4041};
3075 4042
3076unshift @INC, $LIBDIR; 4043#############################################################################
3077 4044
3078my $bug_warning = 0; 4045my $bug_warning = 0;
3079 4046
3080our @WAIT_FOR_TICK; 4047our @WAIT_FOR_TICK;
3081our @WAIT_FOR_TICK_BEGIN; 4048our @WAIT_FOR_TICK_BEGIN;
3082 4049
3083sub wait_for_tick { 4050sub wait_for_tick() {
3084 return unless $TICK_WATCHER->is_active;
3085 return if $Coro::current == $Coro::main; 4051 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086 4052
3087 my $signal = new Coro::Signal; 4053 my $signal = new Coro::Signal;
3088 push @WAIT_FOR_TICK, $signal; 4054 push @WAIT_FOR_TICK, $signal;
3089 $signal->wait; 4055 $signal->wait;
3090} 4056}
3091 4057
3092sub wait_for_tick_begin { 4058sub wait_for_tick_begin() {
3093 return unless $TICK_WATCHER->is_active;
3094 return if $Coro::current == $Coro::main; 4059 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095 4060
3096 my $signal = new Coro::Signal; 4061 my $signal = new Coro::Signal;
3097 push @WAIT_FOR_TICK_BEGIN, $signal; 4062 push @WAIT_FOR_TICK_BEGIN, $signal;
3098 $signal->wait; 4063 $signal->wait;
3099} 4064}
3100 4065
3101 my $min = 1e6;#d# 4066sub tick {
3102 my $avg = 10;
3103$TICK_WATCHER = Event->timer (
3104 reentrant => 0,
3105 parked => 1,
3106 prio => 0,
3107 at => $NEXT_TICK || $TICK,
3108 data => WF_AUTOCANCEL,
3109 cb => sub {
3110 if ($Coro::current != $Coro::main) { 4067 if ($Coro::current != $Coro::main) {
3111 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4068 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112 unless ++$bug_warning > 10; 4069 unless ++$bug_warning > 10;
3113 return; 4070 return;
3114 } 4071 }
3115 4072
3116 $NOW = $tick_start = Event::time;
3117
3118 cf::server_tick; # one server iteration 4073 cf::server_tick; # one server iteration
3119 4074
3120 0 && sync_job {#d# 4075 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121 for(1..10) {
3122 my $t = Event::time;
3123 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124 or die;
3125 4076
3126 $map->width (50); 4077 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127 $map->height (50); 4078 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128 $map->alloc; 4079 Coro::async_pool {
3129 $map->_load_objects ("/tmp/x.map", 1); 4080 $Coro::current->{desc} = "runtime saver";
3130 my $t = Event::time - $t; 4081 write_runtime_sync
3131 4082 or error "ERROR: unable to write runtime file: $!";
3132 #next unless $t < 0.0013;#d#
3133 if ($t < $min) {
3134 $min = $t;
3135 }
3136 $avg = $avg * 0.99 + $t * 0.01;
3137 }
3138 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139 exit 0;
3140 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141 }; 4083 };
4084 }
3142 4085
3143 $RUNTIME += $TICK;
3144 $NEXT_TICK += $TICK;
3145
3146 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147 $NEXT_RUNTIME_WRITE = $NOW + 10;
3148 Coro::async_pool {
3149 write_runtime
3150 or warn "ERROR: unable to write runtime file: $!";
3151 };
3152 }
3153
3154# my $AFTER = Event::time;
3155# warn $AFTER - $NOW;#d#
3156
3157 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4086 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158 $sig->send; 4087 $sig->send;
3159 } 4088 }
3160 while (my $sig = shift @WAIT_FOR_TICK) { 4089 while (my $sig = shift @WAIT_FOR_TICK) {
3161 $sig->send; 4090 $sig->send;
3162 } 4091 }
3163 4092
3164 $NOW = Event::time; 4093 $LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166 # if we are delayed by four ticks or more, skip them all
3167 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169 $TICK_WATCHER->at ($NEXT_TICK);
3170 $TICK_WATCHER->start;
3171
3172 $LOAD = ($NOW - $tick_start) / $TICK;
3173 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4094 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174 4095
3175 _post_tick; 4096 if (0) {
3176 4097 if ($NEXT_TICK) {
3177 4098 my $jitter = $TICK_START - $NEXT_TICK;
4099 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4100 debug "jitter $JITTER\n";#d#
4101 }
3178 }, 4102 }
3179); 4103}
3180 4104
3181{ 4105{
3182 BDB::max_poll_time $TICK * 0.1; 4106 # configure BDB
3183 $BDB_POLL_WATCHER = Event->io ( 4107
3184 reentrant => 0,
3185 fd => BDB::poll_fileno,
3186 poll => 'r',
3187 prio => 0,
3188 data => WF_AUTOCANCEL,
3189 cb => \&BDB::poll_cb,
3190 );
3191 BDB::min_parallel 8; 4108 BDB::min_parallel 16;
3192 4109 BDB::max_poll_reqs $TICK * 0.1;
3193 BDB::set_sync_prepare { 4110 $AnyEvent::BDB::WATCHER->priority (1);
3194 my $status;
3195 my $current = $Coro::current;
3196 (
3197 sub {
3198 $status = $!;
3199 $current->ready; undef $current;
3200 },
3201 sub {
3202 Coro::schedule while defined $current;
3203 $! = $status;
3204 },
3205 )
3206 };
3207 4111
3208 unless ($DB_ENV) { 4112 unless ($DB_ENV) {
3209 $DB_ENV = BDB::db_env_create; 4113 $DB_ENV = BDB::db_env_create;
4114 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4115 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4116 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4117 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4118 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210 4119
3211 cf::sync_job { 4120 cf::sync_job {
3212 eval { 4121 eval {
3213 BDB::db_env_open 4122 BDB::db_env_open
3214 $DB_ENV, 4123 $DB_ENV,
3216 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4125 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4126 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218 0666; 4127 0666;
3219 4128
3220 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4129 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223 $DB_ENV->set_lk_detect;
3224 }; 4130 };
3225 4131
3226 cf::cleanup "db_env_open(db): $@" if $@; 4132 cf::cleanup "db_env_open(db): $@" if $@;
3227 }; 4133 };
3228 } 4134 }
4135
4136 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4137 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4138 };
4139 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4140 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4141 };
4142 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4143 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4144 };
3229} 4145}
3230 4146
3231{ 4147{
4148 # configure IO::AIO
4149
3232 IO::AIO::min_parallel 8; 4150 IO::AIO::min_parallel 8;
3233
3234 undef $Coro::AIO::WATCHER;
3235 IO::AIO::max_poll_time $TICK * 0.1; 4151 IO::AIO::max_poll_time $TICK * 0.1;
3236 $AIO_POLL_WATCHER = Event->io ( 4152 undef $AnyEvent::AIO::WATCHER;
3237 reentrant => 0,
3238 data => WF_AUTOCANCEL,
3239 fd => IO::AIO::poll_fileno,
3240 poll => 'r',
3241 prio => 6,
3242 cb => \&IO::AIO::poll_cb,
3243 );
3244} 4153}
3245 4154
3246my $_log_backtrace; 4155my $_log_backtrace;
3247 4156
3248sub _log_backtrace { 4157sub _log_backtrace {
3251 $msg =~ s/\n//; 4160 $msg =~ s/\n//;
3252 4161
3253 # limit the # of concurrent backtraces 4162 # limit the # of concurrent backtraces
3254 if ($_log_backtrace < 2) { 4163 if ($_log_backtrace < 2) {
3255 ++$_log_backtrace; 4164 ++$_log_backtrace;
4165 my $perl_bt = Carp::longmess $msg;
3256 async { 4166 async {
4167 $Coro::current->{desc} = "abt $msg";
4168
3257 my @bt = fork_call { 4169 my @bt = fork_call {
3258 @addr = map { sprintf "%x", $_ } @addr; 4170 @addr = map { sprintf "%x", $_ } @addr;
3259 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4171 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4172 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261 or die "addr2line: $!"; 4173 or die "addr2line: $!";
3269 } 4181 }
3270 4182
3271 @funcs 4183 @funcs
3272 }; 4184 };
3273 4185
3274 LOG llevInfo, "[ABT] $msg\n"; 4186 LOG llevInfo, "[ABT] $perl_bt\n";
4187 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275 LOG llevInfo, "[ABT] $_\n" for @bt; 4188 LOG llevInfo, "[ABT] $_\n" for @bt;
3276 --$_log_backtrace; 4189 --$_log_backtrace;
3277 }; 4190 };
3278 } else { 4191 } else {
3279 LOG llevInfo, "[ABT] $msg\n"; 4192 LOG llevInfo, "[ABT] $msg\n";
3280 LOG llevInfo, "[ABT] [suppressed]\n"; 4193 LOG llevInfo, "[ABT] [suppressed]\n";
3281 } 4194 }
3282} 4195}
3283 4196
3284# load additional modules 4197# load additional modules
3285use cf::pod; 4198require "cf/$_.pm" for @EXTRA_MODULES;
4199cf::_connect_to_perl_2;
3286 4200
3287END { cf::emergency_save } 4201END { cf::emergency_save }
3288 4202
32891 42031
3290 4204

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