ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.289 by root, Sat Jun 30 03:00:54 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 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->convert_blessed->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254 358
255sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[0]) } 360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
257 404
258=item cf::lock_wait $string 405=item cf::lock_wait $string
259 406
260Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
261 408
262=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
263 410
264Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
265a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
267returned. 414returned.
268 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
269Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
270uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
271 421
272=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
273 423
274Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
275 425
276=cut 426=cut
277 427
278our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
279 429
280sub lock_wait($) { 430sub lock_wait($) {
281 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
282
283 # wait for lock, if any
284 while ($LOCK{$key}) {
285 push @{ $LOCK{$key} }, $Coro::current;
286 Coro::schedule;
287 }
288} 432}
289 433
290sub lock_acquire($) { 434sub lock_acquire($) {
291 my ($key) = @_; 435 $LOCKS->guard ($_[0])
292
293 # wait, to be sure we are not locked
294 lock_wait $key;
295
296 $LOCK{$key} = [];
297
298 Coro::guard {
299 # wake up all waiters, to be on the safe side
300 $_->ready for @{ delete $LOCK{$key} };
301 }
302} 436}
303 437
304sub lock_active($) { 438sub lock_active($) {
305 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
306
307 ! ! $LOCK{$key}
308} 440}
309 441
310sub freeze_mainloop { 442sub freeze_mainloop {
311 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
312 444
313 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
314 $TICK_WATCHER->start; 446}
447
448=item cf::periodic $interval, $cb
449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
315 }; 512 }
316 $TICK_WATCHER->stop; 513};
317 $guard 514
515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
518 my ($time, $pri, $name) = @_;
519
520 $time = clamp $time, 0.01, $TICK * .6;
521
522 my $sig = new Coro::Signal;
523
524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
526 $SLOT_QUEUE->ready;
527 $sig->wait;
318} 528}
319 529
320=item cf::async { BLOCK } 530=item cf::async { BLOCK }
321 531
322Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
327 537
328BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
329 539
330=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
331 541
332The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
333is always able to handle events or runnable, as Crossfire TRT is only 543is always able to handle events or runnable, as Deliantra is only
334partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335acceptable. 545acceptable.
336 546
337If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
338the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
342=cut 552=cut
343 553
344sub sync_job(&) { 554sub sync_job(&) {
345 my ($job) = @_; 555 my ($job) = @_;
346 556
347 if ($Coro::current == $Coro::main) { 557 if (in_main) {
348 my $time = Event::time; 558 my $time = AE::time;
349 559
350 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
351 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
352 562
353 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
354 # (but this is cancel-safe) 564
355 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
356 566
357 my $busy = 1; 567 my $busy = 1;
358 my @res; 568 my @res;
359 569
360 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
361 @res = eval { $job->() }; 572 @res = eval { $job->() };
362 warn $@ if $@; 573 error $@ if $@;
363 undef $busy; 574 undef $busy;
364 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
365 576
366 while ($busy) { 577 while ($busy) {
367 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
368 } 582 }
583 }
369 584
370 $time = Event::time - $time; 585 my $time = AE::time - $time;
371 586
372 LOG llevError | logBacktrace, Carp::longmess "long sync job"
373 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
376 588
377 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
378 } else { 590 } else {
379 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
380 592
400 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
401 613
402 $coro 614 $coro
403} 615}
404 616
405=item fork_call { }, $args 617=item fork_call { }, @args
406 618
407Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
408process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
411 623
412=cut 624=cut
625
626sub post_fork {
627 reset_signals;
628}
413 629
414sub fork_call(&@) { 630sub fork_call(&@) {
415 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
416 632
417# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 633 # we seemingly have to make a local copy of the whole thing,
418# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
419 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
420 or die "pipe: $!";
421 636
422 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
423 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
424 641
425 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
426 $res = Coro::Storable::thaw $res; 643}
427 644
428 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
429
430 die $$res unless "ARRAY" eq ref $res;
431
432 return wantarray ? @$res : $res->[-1];
433 } else {
434 reset_signals;
435 local $SIG{__WARN__};
436 local $SIG{__DIE__};
437 eval {
438 close $fh1;
439
440 my @res = eval { $cb->(@args) };
441 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442 };
443
444 warn $@ if $@;
445 _exit 0;
446 } 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
447} 681}
448 682
449=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
450 684
451Returns a single value from the environment database. 685Returns a single value from the environment database.
453=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
454 688
455Stores the given C<$value> in the family. It can currently store binary 689Stores the given C<$value> in the family. It can currently store binary
456data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457 691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
458=cut 697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
459 718
460our $DB; 719our $DB;
461 720
462sub db_init { 721sub db_init {
463 unless ($DB) { 722 $DB ||= db_table "db";
464 $DB = BDB::db_create $DB_ENV;
465
466 cf::sync_job {
467 eval {
468 $DB->set_flags (BDB::CHKSUM);
469
470 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472 cf::cleanup "db_open(db): $!" if $!;
473 };
474 cf::cleanup "db_open(db): $@" if $@;
475 };
476 }
477} 723}
478 724
479sub db_get($$) { 725sub db_get($$) {
480 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
481 727
482 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
483 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
484 732
485 $! ? () 733 $! ? ()
486 : $data 734 : $data
487 }
488} 735}
489 736
490sub db_put($$$) { 737sub db_put($$$) {
491 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
492 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
531 if (1) { 778 if (1) {
532 $md5 = 779 $md5 =
533 join "\x00", 780 join "\x00",
534 $processversion, 781 $processversion,
535 map { 782 map {
536 Coro::cede; 783 cf::cede_to_tick;
537 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
538 } 0.. $#$src; 785 } 0.. $#$src;
539 786
540 787
541 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
548 795
549 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
550 my $data = $process->(\@data); 797 my $data = $process->(\@data);
551 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
552 799
553 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554 801
555 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
556 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
557 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
558 805
568 815
569=cut 816=cut
570 817
571sub datalog($@) { 818sub datalog($@) {
572 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
573 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574} 821}
575 822
576=back 823=back
577 824
578=cut 825=cut
579 826
580############################################################################# 827#############################################################################
581 828
582=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
583 830
584Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
585attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
586to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
587 834
588In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
589C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
590Crossfire TRT). 837Deliantra).
591 838
592=over 4 839=over 4
593 840
594=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
595 842
639=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
640 887
641Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
642given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
643 890
644Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
645that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
646 893
647These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
648 895
649=over 4 896=over 4
773 1020
774 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
775 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776 1023
777 } elsif (ref $type) { 1024 } elsif (ref $type) {
778 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
779 1026
780 } else { 1027 } else {
781 shift @arg; 1028 shift @arg;
782 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
783 } 1030 }
784 } 1031 }
785} 1032}
786 1033
787sub _object_attach { 1034sub _object_attach {
797 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
798 } 1045 }
799 1046
800 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
801 } else { 1048 } else {
802 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
803 } 1050 }
804 1051
805 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
806} 1053}
807 1054
847 "; 1094 ";
848 die if $@; 1095 die if $@;
849} 1096}
850 1097
851our $override; 1098our $override;
852our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1099our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853 1100
854sub override { 1101sub override {
855 $override = 1; 1102 $override = 1;
856 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
857} 1104}
858 1105
859sub do_invoke { 1106sub do_invoke {
860 my $event = shift; 1107 my $event = shift;
861 my $callbacks = shift; 1108 my $callbacks = shift;
862 1109
863 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
864 1111
865 local $override; 1112 local $override;
866 1113
867 for (@$callbacks) { 1114 for (@$callbacks) {
868 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
869 1116
870 if ($@) { 1117 if ($@) {
871 warn "$@";
872 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873 override; 1119 override;
874 } 1120 }
875 1121
876 return 1 if $override; 1122 return 1 if $override;
877 } 1123 }
878 1124
879 0 1125 0
880} 1126}
881 1127
882=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883 1129
884=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885 1131
886Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
887 1133
888This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1134This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889removed in future versions), and there is no public API to access override 1135removed in future versions), and there is no public API to access override
890results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891 1137
892=back 1138=back
893 1139
894=cut 1140=cut
895 1141
896############################################################################# 1142#############################################################################
897# object support 1143# object support
1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
1178sub _can_merge {
1179 my ($ob1, $ob2) = @_;
1180
1181 ++$SLOW_MERGES;#d#
1182
1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
1185}
898 1186
899sub reattach { 1187sub reattach {
900 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
901 my ($obj) = @_; 1189 my ($obj) = @_;
902 1190
1191 # no longer needed after getting rid of delete_package?
903 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904 1193
905 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
906 1195
907 @$registry = (); 1196 @$registry = ();
908 1197
913 for (@$attach) { 1202 for (@$attach) {
914 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
915 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
916 } 1205 }
917 } else { 1206 } else {
918 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
919 } 1208 }
920 } 1209 }
921} 1210}
922 1211
923cf::attachable->attach ( 1212cf::attachable->attach (
924 prio => -1000000, 1213 prio => -1000000,
925 on_instantiate => sub { 1214 on_instantiate => sub {
926 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
927 1216
928 $data = from_json $data; 1217 $data = decode_json $data;
929 1218
930 for (@$data) { 1219 for (@$data) {
931 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
932 1221
933 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
949sub object_freezer_save { 1238sub object_freezer_save {
950 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
951 1240
952 sync_job { 1241 sync_job {
953 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
954 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
955 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
956 1247
957 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
959 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
961 close $fh; 1255 aio_close $fh;
962 1256
963 if (@$objs) { 1257 if (@$objs) {
964 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
966 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
968 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
969 close $fh; 1266 aio_close $fh;
970 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
971 } 1268 }
972 } else { 1269 } else {
973 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
974 } 1271 }
975 1272
976 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
977 } else { 1277 } else {
978 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
979 } 1279 }
980 } else { 1280 } else {
981 aio_unlink $filename; 1281 aio_unlink $filename;
982 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
983 } 1283 }
984 } 1284 };
985} 1285}
986 1286
987sub object_freezer_as_string { 1287sub object_freezer_as_string {
988 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
989 1289
1001 or return; 1301 or return;
1002 1302
1003 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1004 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1005 or return; 1305 or return;
1306
1006 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1007 } 1309 }
1008 1310
1311 utf8::decode (my $decname = $filename);
1009 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1010 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1011 return ($data, $av); 1316 ($data, $av)
1012} 1317}
1013 1318
1014=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1015 1320
1016=over 4 1321=over 4
1070 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1071 1376
1072 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1073} 1378}
1074 1379
1380use File::Glob ();
1381
1075cf::player->attach ( 1382cf::player->attach (
1076 on_command => sub { 1383 on_unknown_command => sub {
1077 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1078 1385
1079 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1080 or return; 1387 or return;
1081 1388
1086 cf::override; 1393 cf::override;
1087 }, 1394 },
1088 on_extcmd => sub { 1395 on_extcmd => sub {
1089 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
1090 1397
1091 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092 1399
1093 if (ref $msg) { 1400 if (ref $msg) {
1401 my ($type, $reply, @payload) =
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405
1406 my @reply;
1407
1094 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
1095 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
1096 $pl->ext_reply ($msg->{msgid}, %reply);
1097 }
1098 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1099 } else { 1415 } else {
1100 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101 } 1417 }
1102 1418
1103 cf::override; 1419 cf::override;
1104 }, 1420 },
1105); 1421);
1106 1422
1423# "readahead" all extensions
1424sub cache_extensions {
1425 my $grp = IO::AIO::aio_group;
1426
1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1428 for (grep /\.ext$/, @{$_[0]}) {
1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1430 }
1431 };
1432
1433 $grp
1434}
1435
1107sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1108 cf::sync_job { 1439 cf::sync_job {
1109 my %todo; 1440 my %todo;
1110 1441
1111 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1112 next unless -r $path; 1443 next unless -r $path;
1130 1461
1131 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133 1464
1134 $ext{source} = 1465 $ext{source} =
1135 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1136 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1137 . $source 1468 . $source
1138 . "\n};\n1"; 1469 . "\n};\n1";
1139 1470
1140 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1141 } 1472 }
1142 1473
1474 my $pass = 0;
1143 my %done; 1475 my %done;
1144 while (%todo) { 1476 while (%todo) {
1145 my $progress; 1477 my $progress;
1146 1478
1479 ++$pass;
1480
1481 ext:
1147 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1148 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1149 goto skip 1484 next ext
1150 unless exists $done{$_}; 1485 unless exists $done{$_};
1151 } 1486 }
1152 1487
1153 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154 1489
1155 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1156 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1157 : "$v->{base}: extension inactive.\n";
1158 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1160 warn $msg; 1497
1161 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162 exit 1; 1499 delete $todo{$k};
1163 } 1500 } else {
1164 1501 $done{$k} = delete $todo{$k};
1165 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1166 } 1507 }
1167
1168 $done{$k} = delete $todo{$k};
1169 push @EXTS, $v->{pkg};
1170 $progress = 1;
1171 } 1508 }
1172 1509
1173 skip: 1510 unless ($progress) {
1174 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175 unless $progress; 1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1176 } 1518 }
1177 }; 1519 };
1178} 1520}
1179 1521
1180############################################################################# 1522#############################################################################
1181 1523
1182=back 1524=back
1183 1525
1184=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1185 1527
1186Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1187 1529
1188=cut 1530=cut
1189 1531
1190package cf::player; 1532package cf::player;
1191 1533
1192use Coro::AIO; 1534use Coro::AIO;
1193 1535
1194=head3 cf::player 1536=head3 cf::player
1195 1537
1196=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
1197 1553
1198=item cf::player::find $login 1554=item cf::player::find $login
1199 1555
1200Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1201 1557
1220 1576
1221sub exists($) { 1577sub exists($) {
1222 my ($login) = @_; 1578 my ($login) = @_;
1223 1579
1224 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1225 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1226} 1582}
1227 1583
1228sub find($) { 1584sub find($) {
1229 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1230 my $login = $_[0]; 1586 my $login = $_[0];
1237 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1241 1597
1242 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1243 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1244 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1245 } 1607 }
1246 } 1608 }
1247} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1248 1623
1249sub save($) { 1624sub save($) {
1250 my ($pl) = @_; 1625 my ($pl) = @_;
1251 1626
1252 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1257 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1258 1633
1259 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1260 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1261 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1262 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1263 Coro::cede; 1643 cf::cede_to_tick;
1264} 1644}
1265 1645
1266sub new($) { 1646sub new($) {
1267 my ($login) = @_; 1647 my ($login) = @_;
1268 1648
1274 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1275 1655
1276 $self 1656 $self
1277} 1657}
1278 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1279=item $pl->quit_character 1669=item $pl->quit_character
1280 1670
1281Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1282be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1283 1673
1287 my ($pl) = @_; 1677 my ($pl) = @_;
1288 1678
1289 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1290 1680
1291 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1292 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1293 1683
1294 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1297 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1298 1692
1299 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1300 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1301 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1336 or return []; 1730 or return [];
1337 1731
1338 my @logins; 1732 my @logins;
1339 1733
1340 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1341 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1343 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1344 1744
1345 utf8::decode $login; 1745 utf8::decode $login;
1346 push @logins, $login; 1746 push @logins, $login;
1347 } 1747 }
1348 1748
1349 \@logins 1749 \@logins
1350} 1750}
1351 1751
1352=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1353 1755
1354Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1355player. May block. 1757player. May block.
1356 1758
1357=cut 1759=cut
1375 } 1777 }
1376 1778
1377 \@paths 1779 \@paths
1378} 1780}
1379 1781
1380=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381 1783
1382Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1383 1785
1384=cut
1385
1386sub expand_cfpod {
1387 ((my $self), (local $_)) = @_;
1388
1389 # escape & and <
1390 s/&/&amp;/g;
1391 s/(?<![BIUGH])</&lt;/g;
1392
1393 # this is buggy, it needs to properly take care of nested <'s
1394
1395 1 while
1396 # replace B<>, I<>, U<> etc.
1397 s/B<([^\>]*)>/<b>$1<\/b>/
1398 || s/I<([^\>]*)>/<i>$1<\/i>/
1399 || s/U<([^\>]*)>/<u>$1<\/u>/
1400 # replace G<male|female> tags
1401 || s{G<([^>|]*)\|([^>]*)>}{
1402 $self->gender ? $2 : $1
1403 }ge
1404 # replace H<hint text>
1405 || s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407 # create single paragraphs (very hackish)
1408 s/(?<=\S)\n(?=\w)/ /g;
1409
1410 $_
1411}
1412
1413=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1414 1787
1415Sends an ext reply to the player. 1788Sends an ext reply to the player.
1416 1789
1417=cut 1790=cut
1418 1791
1419sub ext_reply($$%) { 1792sub ext_reply($$@) {
1420 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1421 1794
1422 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1423 $self->send ("ext " . cf::to_json \%msg);
1424} 1796}
1425 1797
1426=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1427 1799
1428Sends an ext event to the client. 1800Sends an ext event to the client.
1429 1801
1430=cut 1802=cut
1431 1803
1432sub ext_event($$%) { 1804sub ext_msg($$@) {
1433 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1434 1806
1435 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1436} 1808}
1437 1809
1438=head3 cf::region 1810=head3 cf::region
1439 1811
1440=over 4 1812=over 4
1450=cut 1822=cut
1451 1823
1452sub find_by_path($) { 1824sub find_by_path($) {
1453 my ($path) = @_; 1825 my ($path) = @_;
1454 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1455 my ($match, $specificity); 1829 my ($match, $specificity);
1456 1830
1457 for my $region (list) { 1831 for my $region (list) {
1458 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1459 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1460 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1461 } 1835 }
1462 } 1836 }
1463 1837
1484our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1485our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1486 1860
1487sub generate_random_map { 1861sub generate_random_map {
1488 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
1489 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1490 $self->_create_random_map ( 1867 $self->_create_random_map (
1491 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1495 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1496 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1512 1889
1513sub register { 1890sub register {
1514 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1515 my $pkg = caller; 1892 my $pkg = caller;
1516 1893
1517 no strict;
1518 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1519 1895
1520 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521} 1897}
1522 1898
1523# also paths starting with '/' 1899# also paths starting with '/'
1524$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525 1901
1526sub thawer_merge { 1902sub thawer_merge {
1527 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1528 1904
1529 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1534} 1910}
1535 1911
1536sub normalise { 1912sub normalise {
1537 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1538 1914
1539 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1540 1916
1541 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1542 1918
1543 # map plan: 1919 # map plan:
1544 # 1920 #
1559 $base =~ s{[^/]+/?$}{}; 1935 $base =~ s{[^/]+/?$}{};
1560 $path = "$base/$path"; 1936 $path = "$base/$path";
1561 } 1937 }
1562 1938
1563 for ($path) { 1939 for ($path) {
1564 redo if s{//}{/};
1565 redo if s{/\.?/}{/}; 1940 redo if s{/\.?/}{/};
1566 redo if s{/[^/]+/\.\./}{/}; 1941 redo if s{/[^/]+/\.\./}{/};
1567 } 1942 }
1568 1943
1569 $path 1944 $path
1583 $self->init; # pass $1 etc. 1958 $self->init; # pass $1 etc.
1584 return $self; 1959 return $self;
1585 } 1960 }
1586 } 1961 }
1587 1962
1588 Carp::carp "unable to resolve path '$path' (base '$base')."; 1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1589 () 1964 ()
1590} 1965}
1591 1966
1592sub init { 1967sub init {
1593 my ($self) = @_; 1968 my ($self) = @_;
1615 1990
1616# the temporary/swap location 1991# the temporary/swap location
1617sub save_path { 1992sub save_path {
1618 my ($self) = @_; 1993 my ($self) = @_;
1619 1994
1620 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621 "$TMPDIR/$path.map" 1996 "$TMPDIR/$path.map"
1622} 1997}
1623 1998
1624# the unique path, undef == no special unique path 1999# the unique path, undef == no special unique path
1625sub uniq_path { 2000sub uniq_path {
1626 my ($self) = @_; 2001 my ($self) = @_;
1627 2002
1628 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629 "$UNIQUEDIR/$path" 2004 "$UNIQUEDIR/$path"
1630}
1631
1632# and all this just because we cannot iterate over
1633# all maps in C++...
1634sub change_all_map_light {
1635 my ($change) = @_;
1636
1637 $_->change_map_light ($change)
1638 for grep $_->outdoor, values %cf::MAP;
1639} 2005}
1640 2006
1641sub decay_objects { 2007sub decay_objects {
1642 my ($self) = @_; 2008 my ($self) = @_;
1643 2009
1656 2022
1657sub load_header_from($) { 2023sub load_header_from($) {
1658 my ($self, $path) = @_; 2024 my ($self, $path) = @_;
1659 2025
1660 utf8::encode $path; 2026 utf8::encode $path;
1661 #aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1662 # or return;
1663
1664 $self->_load_header ($path)
1665 or return; 2028 or return;
2029
2030 $self->_load_header ($f)
2031 or return;
2032
2033 local $MAP_LOADING{$self->{path}} = $self;
2034 $f->resolve_delayed_derefs;
1666 2035
1667 $self->{load_path} = $path; 2036 $self->{load_path} = $path;
1668 2037
1669 1 2038 1
1670} 2039}
1722 2091
1723sub find; 2092sub find;
1724sub find { 2093sub find {
1725 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1726 2095
2096 cf::cede_to_tick;
2097
1727 $path = normalise $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1728 2099
2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729 cf::lock_wait "map_find:$path"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1730 2102
1731 $cf::MAP{$path} || do { 2103 $cf::MAP{$path} || do {
1732 my $guard = cf::lock_acquire "map_find:$path";
1733 my $map = new_from_path cf::map $path 2104 my $map = new_from_path cf::map $path
1734 or return; 2105 or return;
1735 2106
1736 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1737 2108
1739 or return; 2110 or return;
1740 2111
1741 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742 # doing this can freeze the server in a sync job, obviously 2113 # doing this can freeze the server in a sync job, obviously
1743 #$cf::WAIT_FOR_TICK->wait; 2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1744 $map->reset; 2117 $map->reset;
1745 undef $guard;
1746 return find $path; 2118 return find $path;
1747 } 2119 }
1748 2120
1749 $cf::MAP{$path} = $map 2121 $cf::MAP{$path} = $map
1750 } 2122 }
1751} 2123}
1752 2124
1753sub pre_load { } 2125sub pre_load { }
1754sub post_load { } 2126#sub post_load { } # XS
1755 2127
1756sub load { 2128sub load {
1757 my ($self) = @_; 2129 my ($self) = @_;
1758 2130
1759 local $self->{deny_reset} = 1; # loading can take a long time 2131 local $self->{deny_reset} = 1; # loading can take a long time
1760 2132
1761 my $path = $self->{path}; 2133 my $path = $self->{path};
1762 2134
1763 { 2135 {
1764 my $guard = cf::lock_acquire "map_load:$path"; 2136 my $guard = cf::lock_acquire "map_data:$path";
1765 2137
2138 return unless $self->valid;
1766 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1767 2140
1768 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1769 2142
1770 $self->alloc; 2143 $self->alloc;
1771 2144
1772 $self->pre_load; 2145 $self->pre_load;
1773 Coro::cede; 2146 cf::cede_to_tick;
1774 2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
1775 $self->_load_objects ($self->{load_path}, 1) 2150 $self->_load_objects ($f)
1776 or return; 2151 or return;
1777 2152
1778 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1779 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1780 2155
1781 if (my $uniq = $self->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1782 utf8::encode $uniq; 2157 utf8::encode $uniq;
1783 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1784 $self->clear_unique_items; 2160 $self->clear_unique_items;
1785 $self->_load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1786 } 2164 }
1787 } 2165 }
1788 2166
1789 Coro::cede; 2167 $f->resolve_delayed_derefs;
2168
2169 cf::cede_to_tick;
1790 # now do the right thing for maps 2170 # now do the right thing for maps
1791 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1792 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1793 unless $self->difficulty; 2173 unless $self->difficulty;
1794 Coro::cede; 2174 cf::cede_to_tick;
1795 2175
1796 unless ($self->{deny_activate}) { 2176 unless ($self->{deny_activate}) {
1797 $self->decay_objects; 2177 $self->decay_objects;
1798 $self->fix_auto_apply; 2178 $self->fix_auto_apply;
1799 $self->update_buttons; 2179 $self->update_buttons;
1800 Coro::cede; 2180 cf::cede_to_tick;
1801 $self->set_darkness_map;
1802 Coro::cede;
1803 $self->activate; 2181 $self->activate;
1804 } 2182 }
1805 2183
2184 $self->{last_save} = $cf::RUNTIME;
2185 $self->last_access ($cf::RUNTIME);
2186
1806 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
1807 } 2188 }
1808 2189
1809 $self->post_load; 2190 $self->post_load;
1810}
1811 2191
2192 1
2193}
2194
2195# customize the map for a given player, i.e.
2196# return the _real_ map. used by e.g. per-player
2197# maps to change the path to ~playername/mappath
1812sub customise_for { 2198sub customise_for {
1813 my ($self, $ob) = @_; 2199 my ($self, $ob) = @_;
1814 2200
1815 return find "~" . $ob->name . "/" . $self->{path} 2201 return find "~" . $ob->name . "/" . $self->{path}
1816 if $self->per_player; 2202 if $self->per_player;
1820 2206
1821 $self 2207 $self
1822} 2208}
1823 2209
1824# find and load all maps in the 3x3 area around a map 2210# find and load all maps in the 3x3 area around a map
1825sub load_diag { 2211sub load_neighbours {
1826 my ($map) = @_; 2212 my ($map) = @_;
1827 2213
1828 my @diag; # diagonal neighbours 2214 my @neigh; # diagonal neighbours
1829 2215
1830 for (0 .. 3) { 2216 for (0 .. 3) {
1831 my $neigh = $map->tile_path ($_) 2217 my $neigh = $map->tile_path ($_)
1832 or next; 2218 or next;
1833 $neigh = find $neigh, $map 2219 $neigh = find $neigh, $map
1834 or next; 2220 or next;
1835 $neigh->load; 2221 $neigh->load;
1836 2222
2223 # now find the diagonal neighbours
2224 push @neigh,
1837 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2225 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1838 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2226 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1839 } 2227 }
1840 2228
1841 for (@diag) { 2229 for (grep defined $_->[0], @neigh) {
2230 my ($path, $origin) = @$_;
1842 my $neigh = find @$_ 2231 my $neigh = find $path, $origin
1843 or next; 2232 or next;
1844 $neigh->load; 2233 $neigh->load;
1845 } 2234 }
1846} 2235}
1847 2236
1848sub find_sync { 2237sub find_sync {
1849 my ($path, $origin) = @_; 2238 my ($path, $origin) = @_;
1850 2239
1851 cf::sync_job { find $path, $origin } 2240 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2241 if $Coro::current == $Coro::main;
2242
2243 find $path, $origin
1852} 2244}
1853 2245
1854sub do_load_sync { 2246sub do_load_sync {
1855 my ($map) = @_; 2247 my ($map) = @_;
1856 2248
1857 cf::sync_job { $map->load }; 2249 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2250 if $Coro::current == $Coro::main;
2251
2252 $map->load;
1858} 2253}
1859 2254
1860our %MAP_PREFETCH; 2255our %MAP_PREFETCH;
1861our $MAP_PREFETCHER = undef; 2256our $MAP_PREFETCHER = undef;
1862 2257
1863sub find_async { 2258sub find_async {
1864 my ($path, $origin) = @_; 2259 my ($path, $origin, $load) = @_;
1865 2260
1866 $path = normalise $path, $origin && $origin->{path}; 2261 $path = normalise $path, $origin && $origin->{path};
1867 2262
1868 if (my $map = $cf::MAP{$path}) { 2263 if (my $map = $cf::MAP{$path}) {
1869 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2264 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870 } 2265 }
1871 2266
1872 undef $MAP_PREFETCH{$path}; 2267 $MAP_PREFETCH{$path} |= $load;
2268
1873 $MAP_PREFETCHER ||= cf::async { 2269 $MAP_PREFETCHER ||= cf::async {
2270 $Coro::current->{desc} = "map prefetcher";
2271
1874 while (%MAP_PREFETCH) { 2272 while (%MAP_PREFETCH) {
1875 for my $path (keys %MAP_PREFETCH) { 2273 while (my ($k, $v) = each %MAP_PREFETCH) {
1876 my $map = find $path 2274 if (my $map = find $k) {
1877 or next;
1878 $map->load; 2275 $map->load if $v;
2276 }
1879 2277
1880 delete $MAP_PREFETCH{$path}; 2278 delete $MAP_PREFETCH{$k};
1881 } 2279 }
1882 } 2280 }
1883 undef $MAP_PREFETCHER; 2281 undef $MAP_PREFETCHER;
1884 }; 2282 };
1885 $MAP_PREFETCHER->prio (6); 2283 $MAP_PREFETCHER->prio (6);
1886 2284
1887 () 2285 ()
1888} 2286}
1889 2287
2288# common code, used by both ->save and ->swapout
1890sub save { 2289sub _save {
1891 my ($self) = @_; 2290 my ($self) = @_;
1892
1893 my $lock = cf::lock_acquire "map_data:" . $self->path;
1894 2291
1895 $self->{last_save} = $cf::RUNTIME; 2292 $self->{last_save} = $cf::RUNTIME;
1896 2293
1897 return unless $self->dirty; 2294 return unless $self->dirty;
1898 2295
1904 return if $self->{deny_save}; 2301 return if $self->{deny_save};
1905 2302
1906 local $self->{last_access} = $self->last_access;#d# 2303 local $self->{last_access} = $self->last_access;#d#
1907 2304
1908 cf::async { 2305 cf::async {
2306 $Coro::current->{desc} = "map player save";
1909 $_->contr->save for $self->players; 2307 $_->contr->save for $self->players;
1910 }; 2308 };
2309
2310 cf::get_slot 0.02;
1911 2311
1912 if ($uniq) { 2312 if ($uniq) {
1913 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2313 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2314 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1915 } else { 2315 } else {
1916 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2316 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1917 } 2317 }
1918} 2318}
1919 2319
2320sub save {
2321 my ($self) = @_;
2322
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
2325 $self->_save;
2326}
2327
1920sub swap_out { 2328sub swap_out {
1921 my ($self) = @_; 2329 my ($self) = @_;
1922 2330
1923 # save first because save cedes
1924 $self->save;
1925
1926 my $lock = cf::lock_acquire "map_data:" . $self->path; 2331 my $lock = cf::lock_acquire "map_data:$self->{path}";
1927 2332
2333 return if $self->in_memory != cf::MAP_ACTIVE;
2334 return if $self->{deny_save};
1928 return if $self->players; 2335 return if $self->players;
1929 return if $self->in_memory != cf::MAP_IN_MEMORY;
1930 return if $self->{deny_save};
1931 2336
2337 # first deactivate the map and "unlink" it from the core
2338 $self->deactivate;
2339 $_->clear_links_to ($self) for values %cf::MAP;
2340 $self->in_memory (cf::MAP_SWAPPED);
2341
2342 # then atomically save
2343 $self->_save;
2344
2345 # then free the map
1932 $self->clear; 2346 $self->clear;
1933 $self->in_memory (cf::MAP_SWAPPED);
1934} 2347}
1935 2348
1936sub reset_at { 2349sub reset_at {
1937 my ($self) = @_; 2350 my ($self) = @_;
1938 2351
1956 2369
1957 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2370 my $lock = cf::lock_acquire "map_data:$self->{path}";
1958 2371
1959 return if $self->players; 2372 return if $self->players;
1960 2373
1961 warn "resetting map ", $self->path; 2374 cf::trace "resetting map ", $self->path, "\n";
1962 2375
1963 $self->in_memory (cf::MAP_SWAPPED); 2376 $self->in_memory (cf::MAP_SWAPPED);
1964 2377
1965 # need to save uniques path 2378 # need to save uniques path
1966 unless ($self->{deny_save}) { 2379 unless ($self->{deny_save}) {
1970 if $uniq; 2383 if $uniq;
1971 } 2384 }
1972 2385
1973 delete $cf::MAP{$self->path}; 2386 delete $cf::MAP{$self->path};
1974 2387
2388 $self->deactivate;
2389 $_->clear_links_to ($self) for values %cf::MAP;
1975 $self->clear; 2390 $self->clear;
1976
1977 $_->clear_links_to ($self) for values %cf::MAP;
1978 2391
1979 $self->unlink_save; 2392 $self->unlink_save;
1980 $self->destroy; 2393 $self->destroy;
1981} 2394}
1982 2395
1983my $nuke_counter = "aaaa"; 2396my $nuke_counter = "aaaa";
1984 2397
1985sub nuke { 2398sub nuke {
1986 my ($self) = @_; 2399 my ($self) = @_;
1987 2400
2401 {
2402 my $lock = cf::lock_acquire "map_data:$self->{path}";
2403
1988 delete $cf::MAP{$self->path}; 2404 delete $cf::MAP{$self->path};
1989 2405
1990 $self->unlink_save; 2406 $self->unlink_save;
1991 2407
1992 bless $self, "cf::map"; 2408 bless $self, "cf::map::wrap";
1993 delete $self->{deny_reset}; 2409 delete $self->{deny_reset};
1994 $self->{deny_save} = 1; 2410 $self->{deny_save} = 1;
1995 $self->reset_timeout (1); 2411 $self->reset_timeout (1);
1996 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2412 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997 2413
1998 $cf::MAP{$self->path} = $self; 2414 $cf::MAP{$self->path} = $self;
2415 }
1999 2416
2000 $self->reset; # polite request, might not happen 2417 $self->reset; # polite request, might not happen
2001} 2418}
2002 2419
2003=item $maps = cf::map::tmp_maps 2420=item $maps = cf::map::tmp_maps
2045 2462
2046sub unique_maps() { 2463sub unique_maps() {
2047 [ 2464 [
2048 map { 2465 map {
2049 utf8::decode $_; 2466 utf8::decode $_;
2050 /\.map$/ 2467 s/\.map$//; # TODO future compatibility hack
2468 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2469 ? ()
2051 ? normalise $_ 2470 : normalise $_
2052 : ()
2053 } @{ aio_readdir $UNIQUEDIR or [] } 2471 } @{ aio_readdir $UNIQUEDIR or [] }
2054 ] 2472 ]
2055} 2473}
2056 2474
2057package cf; 2475=item cf::map::static_maps
2476
2477Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2478file in the shared directory excluding F</styles> and F</editor>). May
2479block.
2480
2481=cut
2482
2483sub static_maps() {
2484 my @dirs = "";
2485 my @maps;
2486
2487 while (@dirs) {
2488 my $dir = shift @dirs;
2489
2490 next if $dir eq "/styles" || $dir eq "/editor";
2491
2492 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2493 or return;
2494
2495 for (@$files) {
2496 s/\.map$// or next;
2497 utf8::decode $_;
2498 push @maps, "$dir/$_";
2499 }
2500
2501 push @dirs, map "$dir/$_", @$dirs;
2502 }
2503
2504 \@maps
2505}
2058 2506
2059=back 2507=back
2060 2508
2061=head3 cf::object 2509=head3 cf::object
2062 2510
2066 2514
2067=over 4 2515=over 4
2068 2516
2069=item $ob->inv_recursive 2517=item $ob->inv_recursive
2070 2518
2071Returns the inventory of the object _and_ their inventories, recursively. 2519Returns the inventory of the object I<and> their inventories, recursively,
2520but I<not> the object itself.
2072 2521
2073=cut 2522=cut
2074 2523
2075sub inv_recursive_; 2524sub inv_recursive_;
2076sub inv_recursive_ { 2525sub inv_recursive_ {
2079 2528
2080sub inv_recursive { 2529sub inv_recursive {
2081 inv_recursive_ inv $_[0] 2530 inv_recursive_ inv $_[0]
2082} 2531}
2083 2532
2533=item $ref = $ob->ref
2534
2535Creates and returns a persistent reference to an object that can be stored as a string.
2536
2537=item $ob = cf::object::deref ($refstring)
2538
2539returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2540even if the object actually exists. May block.
2541
2542=cut
2543
2544sub deref {
2545 my ($ref) = @_;
2546
2547 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2548 my ($uuid, $name) = ($1, $2);
2549 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2550 or return;
2551 $pl->ob->uuid eq $uuid
2552 or return;
2553
2554 $pl->ob
2555 } else {
2556 warn "$ref: cannot resolve object reference\n";
2557 undef
2558 }
2559}
2560
2084package cf; 2561package cf;
2085 2562
2086=back 2563=back
2087 2564
2088=head3 cf::object::player 2565=head3 cf::object::player
2094Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2571Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2095can be C<undef>. Does the right thing when the player is currently in a 2572can be C<undef>. Does the right thing when the player is currently in a
2096dialogue with the given NPC character. 2573dialogue with the given NPC character.
2097 2574
2098=cut 2575=cut
2576
2577our $SAY_CHANNEL = {
2578 id => "say",
2579 title => "Map",
2580 reply => "say ",
2581 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2582};
2583
2584our $CHAT_CHANNEL = {
2585 id => "chat",
2586 title => "Chat",
2587 reply => "chat ",
2588 tooltip => "Player chat and shouts, global to the server.",
2589};
2099 2590
2100# rough implementation of a future "reply" method that works 2591# rough implementation of a future "reply" method that works
2101# with dialog boxes. 2592# with dialog boxes.
2102#TODO: the first argument must go, split into a $npc->reply_to ( method 2593#TODO: the first argument must go, split into a $npc->reply_to ( method
2103sub cf::object::player::reply($$$;$) { 2594sub cf::object::player::reply($$$;$) {
2110 2601
2111 } else { 2602 } else {
2112 my $pl = $self->contr; 2603 my $pl = $self->contr;
2113 2604
2114 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2605 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115 my $diag = $pl->{npc_dialog}; 2606 my $dialog = $pl->{npc_dialog};
2116 $diag->{pl}->ext_reply ( 2607 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117 $diag->{id},
2118 msgtype => "reply",
2119 msg => $diag->{pl}->expand_cfpod ($msg),
2120 add_topics => []
2121 );
2122 2608
2123 } else { 2609 } else {
2124 $msg = $npc->name . " says: $msg" if $npc; 2610 $msg = $npc->name . " says: $msg" if $npc;
2125 $self->message ($msg, $flags); 2611 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126 } 2612 }
2127 } 2613 }
2614}
2615
2616=item $object->send_msg ($channel, $msg, $color, [extra...])
2617
2618=cut
2619
2620sub cf::object::send_msg {
2621 my $pl = shift->contr
2622 or return;
2623 $pl->send_msg (@_);
2128} 2624}
2129 2625
2130=item $player_object->may ("access") 2626=item $player_object->may ("access")
2131 2627
2132Returns wether the given player is authorized to access resource "access" 2628Returns wether the given player is authorized to access resource "access"
2145 2641
2146=item $player_object->enter_link 2642=item $player_object->enter_link
2147 2643
2148Freezes the player and moves him/her to a special map (C<{link}>). 2644Freezes the player and moves him/her to a special map (C<{link}>).
2149 2645
2150The player should be reasonably safe there for short amounts of time. You 2646The player should be reasonably safe there for short amounts of time (e.g.
2151I<MUST> call C<leave_link> as soon as possible, though. 2647for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2648though, as the player cannot control the character while it is on the link
2649map.
2152 2650
2153Will never block. 2651Will never block.
2154 2652
2155=item $player_object->leave_link ($map, $x, $y) 2653=item $player_object->leave_link ($map, $x, $y)
2156 2654
2176sub cf::object::player::enter_link { 2674sub cf::object::player::enter_link {
2177 my ($self) = @_; 2675 my ($self) = @_;
2178 2676
2179 $self->deactivate_recursive; 2677 $self->deactivate_recursive;
2180 2678
2679 ++$self->{_link_recursion};
2680
2181 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2681 return if UNIVERSAL::isa $self->map, "ext::map_link";
2182 2682
2183 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2683 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184 if $self->map && $self->map->{path} ne "{link}"; 2684 if $self->map && $self->map->{path} ne "{link}";
2185 2685
2186 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2686 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2187} 2687}
2188 2688
2189sub cf::object::player::leave_link { 2689sub cf::object::player::leave_link {
2190 my ($self, $map, $x, $y) = @_; 2690 my ($self, $map, $x, $y) = @_;
2191 2691
2208 ($x, $y) = (-1, -1) 2708 ($x, $y) = (-1, -1)
2209 unless (defined $x) && (defined $y); 2709 unless (defined $x) && (defined $y);
2210 2710
2211 # use -1 or undef as default coordinates, not 0, 0 2711 # use -1 or undef as default coordinates, not 0, 0
2212 ($x, $y) = ($map->enter_x, $map->enter_y) 2712 ($x, $y) = ($map->enter_x, $map->enter_y)
2213 if $x <=0 && $y <= 0; 2713 if $x <= 0 && $y <= 0;
2214 2714
2215 $map->load; 2715 $map->load;
2216 $map->load_diag; 2716 $map->load_neighbours;
2217 2717
2218 return unless $self->contr->active; 2718 return unless $self->contr->active;
2219 $self->activate_recursive;
2220 2719
2221 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2720 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222 $self->enter_map ($map, $x, $y); 2721 if ($self->enter_map ($map, $x, $y)) {
2223} 2722 # entering was successful
2723 delete $self->{_link_recursion};
2724 # only activate afterwards, to support waiting in hooks
2725 $self->activate_recursive;
2726 }
2224 2727
2728}
2729
2225=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2730=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226 2731
2227Moves the player to the given map-path and coordinates by first freezing 2732Moves the player to the given map-path and coordinates by first freezing
2228her, loading and preparing them map, calling the provided $check callback 2733her, loading and preparing them map, calling the provided $check callback
2229that has to return the map if sucecssful, and then unfreezes the player on 2734that has to return the map if sucecssful, and then unfreezes the player on
2230the new (success) or old (failed) map position. 2735the new (success) or old (failed) map position. In either case, $done will
2736be called at the end of this process.
2737
2738Note that $check will be called with a potentially non-loaded map, so if
2739it needs a loaded map it has to call C<< ->load >>.
2231 2740
2232=cut 2741=cut
2233 2742
2234our $GOTOGEN; 2743our $GOTOGEN;
2235 2744
2236sub cf::object::player::goto { 2745sub cf::object::player::goto {
2237 my ($self, $path, $x, $y, $check) = @_; 2746 my ($self, $path, $x, $y, $check, $done) = @_;
2747
2748 if ($self->{_link_recursion} >= $MAX_LINKS) {
2749 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2750 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2751 ($path, $x, $y) = @$EMERGENCY_POSITION;
2752 }
2238 2753
2239 # do generation counting so two concurrent goto's will be executed in-order 2754 # do generation counting so two concurrent goto's will be executed in-order
2240 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2755 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241 2756
2242 $self->enter_link; 2757 $self->enter_link;
2243 2758
2244 (async { 2759 (async {
2760 $Coro::current->{desc} = "player::goto $path $x $y";
2761
2762 # *tag paths override both path and x|y
2763 if ($path =~ /^\*(.*)$/) {
2764 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2765 my $ob = $obs[rand @obs];
2766
2767 # see if we actually can go there
2768 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2769 $ob = $obs[rand @obs];
2770 } else {
2771 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2772 }
2773 # else put us there anyways for now #d#
2774
2775 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2776 } else {
2777 ($path, $x, $y) = (undef, undef, undef);
2778 }
2779 }
2780
2245 my $map = eval { 2781 my $map = eval {
2246 my $map = cf::map::find $path; 2782 my $map = defined $path ? cf::map::find $path : undef;
2247 2783
2248 if ($map) { 2784 if ($map) {
2249 $map = $map->customise_for ($self); 2785 $map = $map->customise_for ($self);
2250 $map = $check->($map) if $check && $map; 2786 $map = $check->($map, $x, $y, $self) if $check && $map;
2251 } else { 2787 } else {
2252 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2788 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253 } 2789 }
2254 2790
2255 $map 2791 $map
2256 }; 2792 };
2257 2793
2262 2798
2263 if ($gen == $self->{_goto_generation}) { 2799 if ($gen == $self->{_goto_generation}) {
2264 delete $self->{_goto_generation}; 2800 delete $self->{_goto_generation};
2265 $self->leave_link ($map, $x, $y); 2801 $self->leave_link ($map, $x, $y);
2266 } 2802 }
2803
2804 $done->($self) if $done;
2267 })->prio (1); 2805 })->prio (1);
2268} 2806}
2269 2807
2270=item $player_object->enter_exit ($exit_object) 2808=item $player_object->enter_exit ($exit_object)
2271 2809
2291} 2829}
2292 2830
2293sub prepare_random_map { 2831sub prepare_random_map {
2294 my ($exit) = @_; 2832 my ($exit) = @_;
2295 2833
2296 my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298 # all this does is basically replace the /! path by 2834 # all this does is basically replace the /! path by
2299 # a new random map path (?random/...) with a seed 2835 # a new random map path (?random/...) with a seed
2300 # that depends on the exit object 2836 # that depends on the exit object
2301 2837
2302 my $rmp = parse_random_map_params $exit->msg; 2838 my $rmp = parse_random_map_params $exit->msg;
2304 if ($exit->map) { 2840 if ($exit->map) {
2305 $rmp->{region} = $exit->region->name; 2841 $rmp->{region} = $exit->region->name;
2306 $rmp->{origin_map} = $exit->map->path; 2842 $rmp->{origin_map} = $exit->map->path;
2307 $rmp->{origin_x} = $exit->x; 2843 $rmp->{origin_x} = $exit->x;
2308 $rmp->{origin_y} = $exit->y; 2844 $rmp->{origin_y} = $exit->y;
2845
2846 $exit->map->touch;
2309 } 2847 }
2310 2848
2311 $rmp->{random_seed} ||= $exit->random_seed; 2849 $rmp->{random_seed} ||= $exit->random_seed;
2312 2850
2313 my $data = cf::to_json $rmp; 2851 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314 my $md5 = Digest::MD5::md5_hex $data; 2852 my $md5 = Digest::MD5::md5_hex $data;
2315 my $meta = "$RANDOMDIR/$md5.meta"; 2853 my $meta = "$RANDOMDIR/$md5.meta";
2316 2854
2317 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2855 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318 aio_write $fh, 0, (length $data), $data, 0; 2856 aio_write $fh, 0, (length $data), $data, 0;
2319 undef $fh; 2857 undef $fh;
2320 aio_rename "$meta~", $meta; 2858 aio_rename "$meta~", $meta;
2321 2859
2860 my $slaying = "?random/$md5";
2861
2862 if ($exit->valid) {
2322 $exit->slaying ("?random/$md5"); 2863 $exit->slaying ("?random/$md5");
2323 $exit->msg (undef); 2864 $exit->msg (undef);
2865 }
2324 } 2866 }
2325} 2867}
2326 2868
2327sub cf::object::player::enter_exit { 2869sub cf::object::player::enter_exit {
2328 my ($self, $exit) = @_; 2870 my ($self, $exit) = @_;
2329 2871
2330 return unless $self->type == cf::PLAYER; 2872 return unless $self->type == cf::PLAYER;
2331 2873
2332 if ($exit->slaying eq "/!") {
2333 #TODO: this should de-fi-ni-te-ly not be a sync-job
2334 # the problem is that $exit might not survive long enough
2335 # so it needs to be done right now, right here
2336 cf::sync_job { prepare_random_map $exit };
2337 }
2338
2339 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340 my $hp = $exit->stats->hp;
2341 my $sp = $exit->stats->sp;
2342
2343 $self->enter_link; 2874 $self->enter_link;
2344 2875
2345 (async { 2876 (async {
2346 $self->deactivate_recursive; # just to be sure 2877 $Coro::current->{desc} = "enter_exit";
2878
2347 unless (eval { 2879 unless (eval {
2880 $self->deactivate_recursive; # just to be sure
2881
2882 # random map handling
2883 {
2884 my $guard = cf::lock_acquire "exit_prepare:$exit";
2885
2886 prepare_random_map $exit
2887 if $exit->slaying eq "/!";
2888 }
2889
2890 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2891 my $x = $exit->stats->hp;
2892 my $y = $exit->stats->sp;
2893
2348 $self->goto ($slaying, $hp, $sp); 2894 $self->goto ($map, $x, $y);
2349 2895
2896 # if exit is damned, update players death & WoR home-position
2897 $self->contr->savebed ($map, $x, $y)
2898 if $exit->flag (cf::FLAG_DAMNED);
2899
2350 1; 2900 1
2351 }) { 2901 }) {
2352 $self->message ("Something went wrong deep within the crossfire server. " 2902 $self->message ("Something went wrong deep within the deliantra server. "
2353 . "I'll try to bring you back to the map you were before. " 2903 . "I'll try to bring you back to the map you were before. "
2354 . "Please report this to the dungeon master!", 2904 . "Please report this to the dungeon master!",
2355 cf::NDI_UNIQUE | cf::NDI_RED); 2905 cf::NDI_UNIQUE | cf::NDI_RED);
2356 2906
2357 warn "ERROR in enter_exit: $@"; 2907 error "ERROR in enter_exit: $@";
2358 $self->leave_link; 2908 $self->leave_link;
2359 } 2909 }
2360 })->prio (1); 2910 })->prio (1);
2361} 2911}
2362 2912
2376 2926
2377 utf8::encode $text; 2927 utf8::encode $text;
2378 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2928 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379} 2929}
2380 2930
2931=item $client->send_big_packet ($pkt)
2932
2933Like C<send_packet>, but tries to compress large packets, and fragments
2934them as required.
2935
2936=cut
2937
2938our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2939
2940sub cf::client::send_big_packet {
2941 my ($self, $pkt) = @_;
2942
2943 # try lzf for large packets
2944 $pkt = "lzf " . Compress::LZF::compress $pkt
2945 if 1024 <= length $pkt and $self->{can_lzf};
2946
2947 # split very large packets
2948 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2949 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2950 $pkt = "frag";
2951 }
2952
2953 $self->send_packet ($pkt);
2954}
2955
2381=item $client->send_msg ($color, $type, $msg, [extra...]) 2956=item $client->send_msg ($channel, $msg, $color, [extra...])
2382 2957
2383Send a drawinfo or msg packet to the client, formatting the msg for the 2958Send a drawinfo or msg packet to the client, formatting the msg for the
2384client if neccessary. C<$type> should be a string identifying the type of 2959client if neccessary. C<$type> should be a string identifying the type of
2385the message, with C<log> being the default. If C<$color> is negative, suppress 2960the message, with C<log> being the default. If C<$color> is negative, suppress
2386the message unless the client supports the msg packet. 2961the message unless the client supports the msg packet.
2387 2962
2388=cut 2963=cut
2389 2964
2965# non-persistent channels (usually the info channel)
2966our %CHANNEL = (
2967 "c/motd" => {
2968 id => "infobox",
2969 title => "MOTD",
2970 reply => undef,
2971 tooltip => "The message of the day",
2972 },
2973 "c/identify" => {
2974 id => "infobox",
2975 title => "Identify",
2976 reply => undef,
2977 tooltip => "Items recently identified",
2978 },
2979 "c/examine" => {
2980 id => "infobox",
2981 title => "Examine",
2982 reply => undef,
2983 tooltip => "Signs and other items you examined",
2984 },
2985 "c/shopinfo" => {
2986 id => "infobox",
2987 title => "Shop Info",
2988 reply => undef,
2989 tooltip => "What your bargaining skill tells you about the shop",
2990 },
2991 "c/book" => {
2992 id => "infobox",
2993 title => "Book",
2994 reply => undef,
2995 tooltip => "The contents of a note or book",
2996 },
2997 "c/lookat" => {
2998 id => "infobox",
2999 title => "Look",
3000 reply => undef,
3001 tooltip => "What you saw there",
3002 },
3003 "c/who" => {
3004 id => "infobox",
3005 title => "Players",
3006 reply => undef,
3007 tooltip => "Shows players who are currently online",
3008 },
3009 "c/body" => {
3010 id => "infobox",
3011 title => "Body Parts",
3012 reply => undef,
3013 tooltip => "Shows which body parts you posess and are available",
3014 },
3015 "c/statistics" => {
3016 id => "infobox",
3017 title => "Statistics",
3018 reply => undef,
3019 tooltip => "Shows your primary statistics",
3020 },
3021 "c/skills" => {
3022 id => "infobox",
3023 title => "Skills",
3024 reply => undef,
3025 tooltip => "Shows your experience per skill and item power",
3026 },
3027 "c/shopitems" => {
3028 id => "infobox",
3029 title => "Shop Items",
3030 reply => undef,
3031 tooltip => "Shows the items currently for sale in this shop",
3032 },
3033 "c/resistances" => {
3034 id => "infobox",
3035 title => "Resistances",
3036 reply => undef,
3037 tooltip => "Shows your resistances",
3038 },
3039 "c/pets" => {
3040 id => "infobox",
3041 title => "Pets",
3042 reply => undef,
3043 tooltip => "Shows information abotu your pets/a specific pet",
3044 },
3045 "c/perceiveself" => {
3046 id => "infobox",
3047 title => "Perceive Self",
3048 reply => undef,
3049 tooltip => "You gained detailed knowledge about yourself",
3050 },
3051 "c/uptime" => {
3052 id => "infobox",
3053 title => "Uptime",
3054 reply => undef,
3055 tooltip => "How long the server has been running since last restart",
3056 },
3057 "c/mapinfo" => {
3058 id => "infobox",
3059 title => "Map Info",
3060 reply => undef,
3061 tooltip => "Information related to the maps",
3062 },
3063 "c/party" => {
3064 id => "party",
3065 title => "Party",
3066 reply => "gsay ",
3067 tooltip => "Messages and chat related to your party",
3068 },
3069 "c/death" => {
3070 id => "death",
3071 title => "Death",
3072 reply => undef,
3073 tooltip => "Reason for and more info about your most recent death",
3074 },
3075 "c/say" => $SAY_CHANNEL,
3076 "c/chat" => $CHAT_CHANNEL,
3077);
3078
2390sub cf::client::send_msg { 3079sub cf::client::send_msg {
2391 my ($self, $color, $type, $msg, @extra) = @_; 3080 my ($self, $channel, $msg, $color, @extra) = @_;
2392 3081
2393 $msg = $self->pl->expand_cfpod ($msg); 3082 $msg = $self->pl->expand_cfpod ($msg)
3083 unless $color & cf::NDI_VERBATIM;
2394 3084
2395 if ($self->can_msg) { 3085 $color &= cf::NDI_CLIENT_MASK; # just in case...
2396 $self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2397 } else {
2398 # replace some tags by gcfclient-compatible ones
2399 for ($msg) {
2400 1 while
2401 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406 }
2407 3086
2408 if ($color >= 0) { 3087 # check predefined channels, for the benefit of C
2409 if (0 && $msg =~ /\[/) { 3088 if ($CHANNEL{$channel}) {
2410 $self->send_packet ("drawextinfo $color 4 0 $msg") 3089 $channel = $CHANNEL{$channel};
2411 } else { 3090
2412 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 3091 $self->ext_msg (channel_info => $channel);
2413 $self->send_packet ("drawinfo $color $msg") 3092 $channel = $channel->{id};
3093
3094 } elsif (ref $channel) {
3095 # send meta info to client, if not yet sent
3096 unless (exists $self->{channel}{$channel->{id}}) {
3097 $self->{channel}{$channel->{id}} = $channel;
3098 $self->ext_msg (channel_info => $channel);
2414 } 3099 }
2415 }
2416 }
2417}
2418 3100
3101 $channel = $channel->{id};
3102 }
3103
3104 return unless @extra || length $msg;
3105
3106 # default colour, mask it out
3107 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3108 if $color & cf::NDI_DEF;
3109
3110 my $pkt = "msg "
3111 . $self->{json_coder}->encode (
3112 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3113 );
3114
3115 $self->send_big_packet ($pkt);
3116}
3117
2419=item $client->ext_event ($type, %msg) 3118=item $client->ext_msg ($type, @msg)
2420 3119
2421Sends an ext event to the client. 3120Sends an ext event to the client.
2422 3121
2423=cut 3122=cut
2424 3123
2425sub cf::client::ext_event($$%) { 3124sub cf::client::ext_msg($$@) {
2426 my ($self, $type, %msg) = @_; 3125 my ($self, $type, @msg) = @_;
2427 3126
3127 if ($self->extcmd == 2) {
3128 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3129 } elsif ($self->extcmd == 1) { # TODO: remove
2428 $msg{msgtype} = "event_$type"; 3130 push @msg, msgtype => "event_$type";
2429 $self->send_packet ("ext " . cf::to_json \%msg); 3131 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3132 }
3133}
3134
3135=item $client->ext_reply ($msgid, @msg)
3136
3137Sends an ext reply to the client.
3138
3139=cut
3140
3141sub cf::client::ext_reply($$@) {
3142 my ($self, $id, @msg) = @_;
3143
3144 if ($self->extcmd == 2) {
3145 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3146 } elsif ($self->extcmd == 1) {
3147 #TODO: version 1, remove
3148 unshift @msg, msgtype => "reply", msgid => $id;
3149 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3150 }
2430} 3151}
2431 3152
2432=item $success = $client->query ($flags, "text", \&cb) 3153=item $success = $client->query ($flags, "text", \&cb)
2433 3154
2434Queues a query to the client, calling the given callback with 3155Queues a query to the client, calling the given callback with
2457 3178
2458 1 3179 1
2459} 3180}
2460 3181
2461cf::client->attach ( 3182cf::client->attach (
3183 on_connect => sub {
3184 my ($ns) = @_;
3185
3186 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3187 },
2462 on_reply => sub { 3188 on_reply => sub {
2463 my ($ns, $msg) = @_; 3189 my ($ns, $msg) = @_;
2464 3190
2465 # this weird shuffling is so that direct followup queries 3191 # this weird shuffling is so that direct followup queries
2466 # get handled first 3192 # get handled first
2481 } 3207 }
2482 }, 3208 },
2483 on_exticmd => sub { 3209 on_exticmd => sub {
2484 my ($ns, $buf) = @_; 3210 my ($ns, $buf) = @_;
2485 3211
2486 my $msg = eval { from_json $buf }; 3212 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2487 3213
2488 if (ref $msg) { 3214 if (ref $msg) {
3215 my ($type, $reply, @payload) =
3216 "ARRAY" eq ref $msg
3217 ? @$msg
3218 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3219
3220 my @reply;
3221
2489 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3222 if (my $cb = $EXTICMD{$type}) {
2490 if (my %reply = $cb->($ns, $msg)) { 3223 @reply = $cb->($ns, @payload);
2491 $reply{msgid} = $msg->{msgid};
2492 $ns->send ("ext " . cf::to_json \%reply);
2493 }
2494 } 3224 }
3225
3226 $ns->ext_reply ($reply, @reply)
3227 if $reply;
3228
2495 } else { 3229 } else {
2496 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3230 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2497 } 3231 }
2498 3232
2499 cf::override; 3233 cf::override;
2500 }, 3234 },
2501); 3235);
2521 3255
2522 $coro 3256 $coro
2523} 3257}
2524 3258
2525cf::client->attach ( 3259cf::client->attach (
2526 on_destroy => sub { 3260 on_client_destroy => sub {
2527 my ($ns) = @_; 3261 my ($ns) = @_;
2528 3262
2529 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3263 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2530 }, 3264 },
2531); 3265);
2546our $safe = new Safe "safe"; 3280our $safe = new Safe "safe";
2547our $safe_hole = new Safe::Hole; 3281our $safe_hole = new Safe::Hole;
2548 3282
2549$SIG{FPE} = 'IGNORE'; 3283$SIG{FPE} = 'IGNORE';
2550 3284
2551$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3285$safe->permit_only (Opcode::opset qw(
3286 :base_core :base_mem :base_orig :base_math :base_loop
3287 grepstart grepwhile mapstart mapwhile
3288 sort time
3289));
2552 3290
2553# here we export the classes and methods available to script code 3291# here we export the classes and methods available to script code
2554 3292
2555=pod 3293=pod
2556 3294
2557The following functions and methods are available within a safe environment: 3295The following functions and methods are available within a safe environment:
2558 3296
2559 cf::object contr pay_amount pay_player map 3297 cf::object
3298 contr pay_amount pay_player map x y force_find force_add destroy
3299 insert remove name archname title slaying race decrease split
3300 value
3301
2560 cf::object::player player 3302 cf::object::player
2561 cf::player peaceful 3303 player
2562 cf::map trigger 3304
3305 cf::player
3306 peaceful
3307
3308 cf::map
3309 trigger
2563 3310
2564=cut 3311=cut
2565 3312
2566for ( 3313for (
2567 ["cf::object" => qw(contr pay_amount pay_player map)], 3314 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3315 insert remove inv nrof name archname title slaying race
3316 decrease split destroy change_exp value msg lore send_msg)],
2568 ["cf::object::player" => qw(player)], 3317 ["cf::object::player" => qw(player)],
2569 ["cf::player" => qw(peaceful)], 3318 ["cf::player" => qw(peaceful send_msg)],
2570 ["cf::map" => qw(trigger)], 3319 ["cf::map" => qw(trigger)],
2571) { 3320) {
2572 no strict 'refs';
2573 my ($pkg, @funs) = @$_; 3321 my ($pkg, @funs) = @$_;
2574 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3322 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2575 for @funs; 3323 for @funs;
2576} 3324}
2577 3325
2592 3340
2593 my $qcode = $code; 3341 my $qcode = $code;
2594 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3342 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2595 $qcode =~ s/\n/\\n/g; 3343 $qcode =~ s/\n/\\n/g;
2596 3344
3345 %vars = (_dummy => 0) unless %vars;
3346
3347 my @res;
2597 local $_; 3348 local $_;
2598 local @safe::cf::_safe_eval_args = values %vars;
2599 3349
2600 my $eval = 3350 my $eval =
2601 "do {\n" 3351 "do {\n"
2602 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3352 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2603 . "#line 0 \"{$qcode}\"\n" 3353 . "#line 0 \"{$qcode}\"\n"
2604 . $code 3354 . $code
2605 . "\n}" 3355 . "\n}"
2606 ; 3356 ;
2607 3357
3358 if ($CFG{safe_eval}) {
2608 sub_generation_inc; 3359 sub_generation_inc;
3360 local @safe::cf::_safe_eval_args = values %vars;
2609 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3361 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2610 sub_generation_inc; 3362 sub_generation_inc;
3363 } else {
3364 local @cf::_safe_eval_args = values %vars;
3365 @res = wantarray ? eval eval : scalar eval $eval;
3366 }
2611 3367
2612 if ($@) { 3368 if ($@) {
2613 warn "$@"; 3369 warn "$@",
2614 warn "while executing safe code '$code'\n"; 3370 "while executing safe code '$code'\n",
2615 warn "with arguments " . (join " ", %vars) . "\n"; 3371 "with arguments " . (join " ", %vars) . "\n";
2616 } 3372 }
2617 3373
2618 wantarray ? @res : $res[0] 3374 wantarray ? @res : $res[0]
2619} 3375}
2620 3376
2634=cut 3390=cut
2635 3391
2636sub register_script_function { 3392sub register_script_function {
2637 my ($fun, $cb) = @_; 3393 my ($fun, $cb) = @_;
2638 3394
2639 no strict 'refs'; 3395 $fun = "safe::$fun" if $CFG{safe_eval};
2640 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3396 *$fun = $safe_hole->wrap ($cb);
2641} 3397}
2642 3398
2643=back 3399=back
2644 3400
2645=cut 3401=cut
2648# the server's init and main functions 3404# the server's init and main functions
2649 3405
2650sub load_facedata($) { 3406sub load_facedata($) {
2651 my ($path) = @_; 3407 my ($path) = @_;
2652 3408
3409 # HACK to clear player env face cache, we need some signal framework
3410 # for this (global event?)
3411 %ext::player_env::MUSIC_FACE_CACHE = ();
3412
3413 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3414
2653 warn "loading facedata from $path\n"; 3415 trace "loading facedata from $path\n";
2654 3416
2655 my $facedata;
2656 0 < aio_load $path, $facedata 3417 0 < aio_load $path, my $facedata
2657 or die "$path: $!"; 3418 or die "$path: $!";
2658 3419
2659 $facedata = Coro::Storable::thaw $facedata; 3420 $facedata = Coro::Storable::thaw $facedata;
2660 3421
2661 $facedata->{version} == 2 3422 $facedata->{version} == 2
2662 or cf::cleanup "$path: version mismatch, cannot proceed."; 3423 or cf::cleanup "$path: version mismatch, cannot proceed.";
2663 3424
3425 # patch in the exptable
3426 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3427 $facedata->{resource}{"res/exp_table"} = {
3428 type => FT_RSRC,
3429 data => $exp_table,
3430 hash => (Digest::MD5::md5 $exp_table),
3431 };
3432 cf::cede_to_tick;
3433
2664 { 3434 {
2665 my $faces = $facedata->{faceinfo}; 3435 my $faces = $facedata->{faceinfo};
2666 3436
2667 while (my ($face, $info) = each %$faces) { 3437 while (my ($face, $info) = each %$faces) {
2668 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3438 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3439
2669 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3440 cf::face::set_visibility $idx, $info->{visibility};
3441 cf::face::set_magicmap $idx, $info->{magicmap};
2670 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3442 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2671 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3443 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2672 Coro::cede; 3444
3445 cf::cede_to_tick;
2673 } 3446 }
2674 3447
2675 while (my ($face, $info) = each %$faces) { 3448 while (my ($face, $info) = each %$faces) {
2676 next unless $info->{smooth}; 3449 next unless $info->{smooth};
3450
2677 my $idx = cf::face::find $face 3451 my $idx = cf::face::find $face
2678 or next; 3452 or next;
3453
2679 if (my $smooth = cf::face::find $info->{smooth}) { 3454 if (my $smooth = cf::face::find $info->{smooth}) {
3455 cf::face::set_smooth $idx, $smooth;
2680 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3456 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2681 } else { 3457 } else {
2682 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3458 error "smooth face '$info->{smooth}' not found for face '$face'";
2683 } 3459 }
2684 Coro::cede; 3460
3461 cf::cede_to_tick;
2685 } 3462 }
2686 } 3463 }
2687 3464
2688 { 3465 {
2689 my $anims = $facedata->{animinfo}; 3466 my $anims = $facedata->{animinfo};
2690 3467
2691 while (my ($anim, $info) = each %$anims) { 3468 while (my ($anim, $info) = each %$anims) {
2692 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3469 cf::anim::set $anim, $info->{frames}, $info->{facings};
2693 Coro::cede; 3470 cf::cede_to_tick;
2694 } 3471 }
2695 3472
2696 cf::anim::invalidate_all; # d'oh 3473 cf::anim::invalidate_all; # d'oh
2697 } 3474 }
2698 3475
3476 {
3477 my $res = $facedata->{resource};
3478
3479 while (my ($name, $info) = each %$res) {
3480 if (defined $info->{type}) {
3481 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3482
3483 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3484 cf::face::set_type $idx, $info->{type};
3485 } else {
3486 $RESOURCE{$name} = $info; # unused
3487 }
3488
3489 cf::cede_to_tick;
3490 }
3491 }
3492
3493 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3494
2699 1 3495 1
2700} 3496}
2701 3497
3498register_exticmd fx_want => sub {
3499 my ($ns, $want) = @_;
3500
3501 while (my ($k, $v) = each %$want) {
3502 $ns->fx_want ($k, $v);
3503 }
3504};
3505
3506sub load_resource_file($) {
3507 my $guard = lock_acquire "load_resource_file";
3508
3509 my $status = load_resource_file_ $_[0];
3510 get_slot 0.1, 100;
3511 cf::arch::commit_load;
3512
3513 $status
3514}
3515
2702sub reload_regions { 3516sub reload_regions {
3517 # HACK to clear player env face cache, we need some signal framework
3518 # for this (global event?)
3519 %ext::player_env::MUSIC_FACE_CACHE = ();
3520
2703 load_resource_file "$MAPDIR/regions" 3521 load_resource_file "$MAPDIR/regions"
2704 or die "unable to load regions file\n"; 3522 or die "unable to load regions file\n";
3523
3524 for (cf::region::list) {
3525 $_->{match} = qr/$_->{match}/
3526 if exists $_->{match};
3527 }
2705} 3528}
2706 3529
2707sub reload_facedata { 3530sub reload_facedata {
2708 load_facedata "$DATADIR/facedata" 3531 load_facedata "$DATADIR/facedata"
2709 or die "unable to load facedata\n"; 3532 or die "unable to load facedata\n";
2710} 3533}
2711 3534
2712sub reload_archetypes { 3535sub reload_archetypes {
2713 load_resource_file "$DATADIR/archetypes" 3536 load_resource_file "$DATADIR/archetypes"
2714 or die "unable to load archetypes\n"; 3537 or die "unable to load archetypes\n";
2715 #d# NEED to laod twice to resolve forward references
2716 # this really needs to be done in an extra post-pass
2717 # (which needs to be synchronous, so solve it differently)
2718 load_resource_file "$DATADIR/archetypes"
2719 or die "unable to load archetypes\n";
2720} 3538}
2721 3539
2722sub reload_treasures { 3540sub reload_treasures {
2723 load_resource_file "$DATADIR/treasures" 3541 load_resource_file "$DATADIR/treasures"
2724 or die "unable to load treasurelists\n"; 3542 or die "unable to load treasurelists\n";
2725} 3543}
2726 3544
3545sub reload_sound {
3546 trace "loading sound config from $DATADIR/sound\n";
3547
3548 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3549 or die "$DATADIR/sound $!";
3550
3551 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3552
3553 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3554 my $sound = $soundconf->{compat}[$_]
3555 or next;
3556
3557 my $face = cf::face::find "sound/$sound->[1]";
3558 cf::sound::set $sound->[0] => $face;
3559 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3560 }
3561
3562 while (my ($k, $v) = each %{$soundconf->{event}}) {
3563 my $face = cf::face::find "sound/$v";
3564 cf::sound::set $k => $face;
3565 }
3566}
3567
2727sub reload_resources { 3568sub reload_resources {
2728 warn "reloading resource files...\n"; 3569 trace "reloading resource files...\n";
2729 3570
3571 reload_exp_table;
3572 reload_materials;
3573 reload_facedata;
3574 reload_sound;
3575 reload_archetypes;
2730 reload_regions; 3576 reload_regions;
2731 reload_facedata;
2732 #reload_archetypes;#d#
2733 reload_archetypes;
2734 reload_treasures; 3577 reload_treasures;
2735 3578
2736 warn "finished reloading resource files\n"; 3579 trace "finished reloading resource files\n";
2737} 3580}
2738 3581
2739sub init { 3582sub reload_config {
2740 reload_resources; 3583 trace "reloading config file...\n";
2741}
2742 3584
2743sub cfg_load { 3585 0 < aio_load "$CONFDIR/config", my $config
2744 open my $fh, "<:utf8", "$CONFDIR/config" 3586 or die "$CONFDIR/config: $!";
2745 or return;
2746 3587
2747 local $/; 3588 utf8::decode $config;
2748 *CFG = YAML::Syck::Load <$fh>; 3589 *CFG = yaml_load $config;
2749 3590
2750 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3591 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2751 3592
2752 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3593 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2753 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3594 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2754 3595
2755 if (exists $CFG{mlockall}) { 3596 if (exists $CFG{mlockall}) {
2759 }; 3600 };
2760 warn $@ if $@; 3601 warn $@ if $@;
2761 } 3602 }
2762} 3603}
2763 3604
3605sub pidfile() {
3606 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3607 or die "$PIDFILE: $!";
3608 flock $fh, &Fcntl::LOCK_EX
3609 or die "$PIDFILE: flock: $!";
3610 $fh
3611}
3612
3613# make sure only one server instance is running at any one time
3614sub atomic {
3615 my $fh = pidfile;
3616
3617 my $pid = <$fh>;
3618 kill 9, $pid if $pid > 0;
3619
3620 seek $fh, 0, 0;
3621 print $fh $$;
3622}
3623
3624sub main_loop {
3625 trace "EV::loop starting\n";
3626 if (1) {
3627 EV::loop;
3628 }
3629 trace "EV::loop returned\n";
3630 goto &main_loop unless $REALLY_UNLOOP;
3631}
3632
2764sub main { 3633sub main {
3634 cf::init_globals; # initialise logging
3635
3636 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3637 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3638 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3639 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3640
3641 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3642
2765 # we must not ever block the main coroutine 3643 # we must not ever block the main coroutine
2766 local $Coro::idle = sub { 3644 local $Coro::idle = sub {
2767 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3645 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2768 (async { 3646 (async {
2769 Event::one_event; 3647 $Coro::current->{desc} = "IDLE BUG HANDLER";
3648 EV::loop EV::LOOP_ONESHOT;
2770 })->prio (Coro::PRIO_MAX); 3649 })->prio (Coro::PRIO_MAX);
2771 }; 3650 };
2772 3651
2773 cfg_load; 3652 evthread_start IO::AIO::poll_fileno;
3653
3654 cf::sync_job {
3655 cf::incloader::init ();
3656
3657 cf::init_anim;
3658 cf::init_attackmess;
3659 cf::init_dynamic;
3660
3661 cf::load_settings;
3662
3663 reload_resources;
3664 reload_config;
2774 db_init; 3665 db_init;
3666
3667 cf::init_uuid;
3668 cf::init_signals;
3669 cf::init_skills;
3670
3671 cf::init_beforeplay;
3672
3673 atomic;
3674
2775 load_extensions; 3675 load_extensions;
2776 3676
2777 $TICK_WATCHER->start; 3677 utime time, time, $RUNTIMEFILE;
2778 Event::loop; 3678
3679 # no (long-running) fork's whatsoever before this point(!)
3680 use POSIX ();
3681 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3682
3683 cf::_post_init 0;
3684 };
3685
3686 cf::object::thawer::errors_are_fatal 0;
3687 info "parse errors in files are no longer fatal from this point on.\n";
3688
3689 my $free_main; $free_main = EV::idle sub {
3690 undef $free_main;
3691 undef &main; # free gobs of memory :)
3692 };
3693
3694 goto &main_loop;
2779} 3695}
2780 3696
2781############################################################################# 3697#############################################################################
2782# initialisation and cleanup 3698# initialisation and cleanup
2783 3699
2784# install some emergency cleanup handlers 3700# install some emergency cleanup handlers
2785BEGIN { 3701BEGIN {
3702 our %SIGWATCHER = ();
2786 for my $signal (qw(INT HUP TERM)) { 3703 for my $signal (qw(INT HUP TERM)) {
2787 Event->signal ( 3704 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2788 reentrant => 0,
2789 data => WF_AUTOCANCEL,
2790 signal => $signal,
2791 prio => 0,
2792 cb => sub {
2793 cf::cleanup "SIG$signal"; 3705 cf::cleanup "SIG$signal";
2794 },
2795 ); 3706 };
2796 } 3707 }
2797} 3708}
2798 3709
2799sub write_runtime { 3710sub write_runtime_sync {
2800 my $runtime = "$LOCALDIR/runtime"; 3711 my $t0 = AE::time;
2801 3712
2802 # first touch the runtime file to show we are still running: 3713 # first touch the runtime file to show we are still running:
2803 # the fsync below can take a very very long time. 3714 # the fsync below can take a very very long time.
2804 3715
2805 IO::AIO::aio_utime $runtime, undef, undef; 3716 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2806 3717
2807 my $guard = cf::lock_acquire "write_runtime"; 3718 my $guard = cf::lock_acquire "write_runtime";
2808 3719
2809 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3720 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2810 or return; 3721 or return;
2811 3722
2812 my $value = $cf::RUNTIME + 90 + 10; 3723 my $value = $cf::RUNTIME + 90 + 10;
2813 # 10 is the runtime save interval, for a monotonic clock 3724 # 10 is the runtime save interval, for a monotonic clock
2814 # 60 allows for the watchdog to kill the server. 3725 # 60 allows for the watchdog to kill the server.
2824 aio_utime $fh, undef, undef; 3735 aio_utime $fh, undef, undef;
2825 3736
2826 close $fh 3737 close $fh
2827 or return; 3738 or return;
2828 3739
2829 aio_rename "$runtime~", $runtime 3740 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2830 and return; 3741 and return;
2831 3742
2832 warn "runtime file written.\n"; 3743 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2833 3744
2834 1 3745 1
3746}
3747
3748our $uuid_lock;
3749our $uuid_skip;
3750
3751sub write_uuid_sync($) {
3752 $uuid_skip ||= $_[0];
3753
3754 return if $uuid_lock;
3755 local $uuid_lock = 1;
3756
3757 my $uuid = "$LOCALDIR/uuid";
3758
3759 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3760 or return;
3761
3762 my $value = uuid_seq uuid_cur;
3763
3764 unless ($value) {
3765 info "cowardly refusing to write zero uuid value!\n";
3766 return;
3767 }
3768
3769 my $value = uuid_str $value + $uuid_skip;
3770 $uuid_skip = 0;
3771
3772 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3773 and return;
3774
3775 # always fsync - this file is important
3776 aio_fsync $fh
3777 and return;
3778
3779 close $fh
3780 or return;
3781
3782 aio_rename "$uuid~", $uuid
3783 and return;
3784
3785 trace "uuid file written ($value).\n";
3786
3787 1
3788
3789}
3790
3791sub write_uuid($$) {
3792 my ($skip, $sync) = @_;
3793
3794 $sync ? write_uuid_sync $skip
3795 : async { write_uuid_sync $skip };
2835} 3796}
2836 3797
2837sub emergency_save() { 3798sub emergency_save() {
2838 my $freeze_guard = cf::freeze_mainloop; 3799 my $freeze_guard = cf::freeze_mainloop;
2839 3800
2840 warn "enter emergency perl save\n"; 3801 info "emergency_perl_save: enter\n";
3802
3803 # this is a trade-off: we want to be very quick here, so
3804 # save all maps without fsync, and later call a global sync
3805 # (which in turn might be very very slow)
3806 local $USE_FSYNC = 0;
2841 3807
2842 cf::sync_job { 3808 cf::sync_job {
3809 cf::write_runtime_sync; # external watchdog should not bark
3810
2843 # use a peculiar iteration method to avoid tripping on perl 3811 # use a peculiar iteration method to avoid tripping on perl
2844 # refcount bugs in for. also avoids problems with players 3812 # refcount bugs in for. also avoids problems with players
2845 # and maps saved/destroyed asynchronously. 3813 # and maps saved/destroyed asynchronously.
2846 warn "begin emergency player save\n"; 3814 info "emergency_perl_save: begin player save\n";
2847 for my $login (keys %cf::PLAYER) { 3815 for my $login (keys %cf::PLAYER) {
2848 my $pl = $cf::PLAYER{$login} or next; 3816 my $pl = $cf::PLAYER{$login} or next;
2849 $pl->valid or next; 3817 $pl->valid or next;
3818 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2850 $pl->save; 3819 $pl->save;
2851 } 3820 }
2852 warn "end emergency player save\n"; 3821 info "emergency_perl_save: end player save\n";
2853 3822
2854 warn "begin emergency map save\n"; 3823 cf::write_runtime_sync; # external watchdog should not bark
3824
3825 info "emergency_perl_save: begin map save\n";
2855 for my $path (keys %cf::MAP) { 3826 for my $path (keys %cf::MAP) {
2856 my $map = $cf::MAP{$path} or next; 3827 my $map = $cf::MAP{$path} or next;
2857 $map->valid or next; 3828 $map->valid or next;
2858 $map->save; 3829 $map->save;
2859 } 3830 }
2860 warn "end emergency map save\n"; 3831 info "emergency_perl_save: end map save\n";
2861 3832
2862 warn "begin emergency database checkpoint\n"; 3833 cf::write_runtime_sync; # external watchdog should not bark
3834
3835 info "emergency_perl_save: begin database checkpoint\n";
2863 BDB::db_env_txn_checkpoint $DB_ENV; 3836 BDB::db_env_txn_checkpoint $DB_ENV;
2864 warn "end emergency database checkpoint\n"; 3837 info "emergency_perl_save: end database checkpoint\n";
3838
3839 info "emergency_perl_save: begin write uuid\n";
3840 write_uuid_sync 1;
3841 info "emergency_perl_save: end write uuid\n";
3842
3843 cf::write_runtime_sync; # external watchdog should not bark
3844
3845 trace "emergency_perl_save: syncing database to disk";
3846 BDB::db_env_txn_checkpoint $DB_ENV;
3847
3848 info "emergency_perl_save: starting sync\n";
3849 IO::AIO::aio_sync sub {
3850 info "emergency_perl_save: finished sync\n";
3851 };
3852
3853 cf::write_runtime_sync; # external watchdog should not bark
3854
3855 trace "emergency_perl_save: flushing outstanding aio requests";
3856 while (IO::AIO::nreqs || BDB::nreqs) {
3857 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3858 }
3859
3860 cf::write_runtime_sync; # external watchdog should not bark
2865 }; 3861 };
2866 3862
2867 warn "leave emergency perl save\n"; 3863 info "emergency_perl_save: leave\n";
2868} 3864}
2869 3865
2870sub post_cleanup { 3866sub post_cleanup {
2871 my ($make_core) = @_; 3867 my ($make_core) = @_;
2872 3868
3869 IO::AIO::flush;
3870
2873 warn Carp::longmess "post_cleanup backtrace" 3871 error Carp::longmess "post_cleanup backtrace"
2874 if $make_core; 3872 if $make_core;
3873
3874 my $fh = pidfile;
3875 unlink $PIDFILE if <$fh> == $$;
3876}
3877
3878# a safer delete_package, copied from Symbol
3879sub clear_package($) {
3880 my $pkg = shift;
3881
3882 # expand to full symbol table name if needed
3883 unless ($pkg =~ /^main::.*::$/) {
3884 $pkg = "main$pkg" if $pkg =~ /^::/;
3885 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3886 $pkg .= '::' unless $pkg =~ /::$/;
3887 }
3888
3889 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3890 my $stem_symtab = *{$stem}{HASH};
3891
3892 defined $stem_symtab and exists $stem_symtab->{$leaf}
3893 or return;
3894
3895 # clear all symbols
3896 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3897 for my $name (keys %$leaf_symtab) {
3898 _gv_clear *{"$pkg$name"};
3899# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3900 }
2875} 3901}
2876 3902
2877sub do_reload_perl() { 3903sub do_reload_perl() {
2878 # can/must only be called in main 3904 # can/must only be called in main
2879 if ($Coro::current != $Coro::main) { 3905 unless (in_main) {
2880 warn "can only reload from main coroutine"; 3906 error "can only reload from main coroutine";
2881 return; 3907 return;
2882 } 3908 }
2883 3909
2884 warn "reloading..."; 3910 return if $RELOAD++;
2885 3911
2886 warn "entering sync_job"; 3912 my $t1 = AE::time;
2887 3913
3914 while ($RELOAD) {
3915 cf::get_slot 0.1, -1, "reload_perl";
3916 info "perl_reload: reloading...";
3917
3918 trace "perl_reload: entering sync_job";
3919
2888 cf::sync_job { 3920 cf::sync_job {
2889 cf::write_runtime; # external watchdog should not bark
2890 cf::emergency_save; 3921 #cf::emergency_save;
2891 cf::write_runtime; # external watchdog should not bark
2892 3922
2893 warn "syncing database to disk";
2894 BDB::db_env_txn_checkpoint $DB_ENV;
2895
2896 # if anything goes wrong in here, we should simply crash as we already saved
2897
2898 warn "cancelling all WF_AUTOCANCEL watchers";
2899 for (Event::all_watchers) {
2900 $_->cancel if $_->data & WF_AUTOCANCEL;
2901 }
2902
2903 warn "flushing outstanding aio requests";
2904 for (;;) {
2905 BDB::flush;
2906 IO::AIO::flush;
2907 Coro::cede;
2908 last unless IO::AIO::nreqs || BDB::nreqs;
2909 warn "iterate...";
2910 }
2911
2912 ++$RELOAD;
2913
2914 warn "cancelling all extension coros"; 3923 trace "perl_reload: cancelling all extension coros";
2915 $_->cancel for values %EXT_CORO; 3924 $_->cancel for values %EXT_CORO;
2916 %EXT_CORO = (); 3925 %EXT_CORO = ();
2917 3926
2918 warn "removing commands"; 3927 trace "perl_reload: removing commands";
2919 %COMMAND = (); 3928 %COMMAND = ();
2920 3929
2921 warn "removing ext/exti commands"; 3930 trace "perl_reload: removing ext/exti commands";
2922 %EXTCMD = (); 3931 %EXTCMD = ();
2923 %EXTICMD = (); 3932 %EXTICMD = ();
2924 3933
2925 warn "unloading/nuking all extensions"; 3934 trace "perl_reload: unloading/nuking all extensions";
2926 for my $pkg (@EXTS) { 3935 for my $pkg (@EXTS) {
2927 warn "... unloading $pkg"; 3936 trace "... unloading $pkg";
2928 3937
2929 if (my $cb = $pkg->can ("unload")) { 3938 if (my $cb = $pkg->can ("unload")) {
2930 eval { 3939 eval {
2931 $cb->($pkg); 3940 $cb->($pkg);
2932 1 3941 1
2933 } or warn "$pkg unloaded, but with errors: $@"; 3942 } or error "$pkg unloaded, but with errors: $@";
3943 }
3944
3945 trace "... clearing $pkg";
3946 clear_package $pkg;
2934 } 3947 }
2935 3948
2936 warn "... nuking $pkg";
2937 Symbol::delete_package $pkg;
2938 }
2939
2940 warn "unloading all perl modules loaded from $LIBDIR"; 3949 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2941 while (my ($k, $v) = each %INC) { 3950 while (my ($k, $v) = each %INC) {
2942 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3951 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2943 3952
2944 warn "... unloading $k"; 3953 trace "... unloading $k";
2945 delete $INC{$k}; 3954 delete $INC{$k};
2946 3955
2947 $k =~ s/\.pm$//; 3956 $k =~ s/\.pm$//;
2948 $k =~ s/\//::/g; 3957 $k =~ s/\//::/g;
2949 3958
2950 if (my $cb = $k->can ("unload_module")) { 3959 if (my $cb = $k->can ("unload_module")) {
2951 $cb->(); 3960 $cb->();
3961 }
3962
3963 clear_package $k;
2952 } 3964 }
2953 3965
2954 Symbol::delete_package $k;
2955 }
2956
2957 warn "getting rid of safe::, as good as possible"; 3966 trace "perl_reload: getting rid of safe::, as good as possible";
2958 Symbol::delete_package "safe::$_" 3967 clear_package "safe::$_"
2959 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3968 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2960 3969
2961 warn "unloading cf.pm \"a bit\""; 3970 trace "perl_reload: unloading cf.pm \"a bit\"";
2962 delete $INC{"cf.pm"}; 3971 delete $INC{"cf.pm"};
2963 delete $INC{"cf/pod.pm"}; 3972 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2964 3973
2965 # don't, removes xs symbols, too, 3974 # don't, removes xs symbols, too,
2966 # and global variables created in xs 3975 # and global variables created in xs
2967 #Symbol::delete_package __PACKAGE__; 3976 #clear_package __PACKAGE__;
2968 3977
2969 warn "unload completed, starting to reload now"; 3978 info "perl_reload: unload completed, starting to reload now";
2970 3979
2971 warn "reloading cf.pm"; 3980 trace "perl_reload: reloading cf.pm";
2972 require cf; 3981 require cf;
2973 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3982 cf::_connect_to_perl_1;
2974 3983
2975 warn "loading config and database again"; 3984 trace "perl_reload: loading config and database again";
2976 cf::cfg_load; 3985 cf::reload_config;
2977 3986
2978 warn "loading extensions"; 3987 trace "perl_reload: loading extensions";
2979 cf::load_extensions; 3988 cf::load_extensions;
2980 3989
3990 if ($REATTACH_ON_RELOAD) {
2981 warn "reattaching attachments to objects/players"; 3991 trace "perl_reload: reattaching attachments to objects/players";
2982 _global_reattach; # objects, sockets 3992 _global_reattach; # objects, sockets
2983 warn "reattaching attachments to maps"; 3993 trace "perl_reload: reattaching attachments to maps";
2984 reattach $_ for values %MAP; 3994 reattach $_ for values %MAP;
2985 warn "reattaching attachments to players"; 3995 trace "perl_reload: reattaching attachments to players";
2986 reattach $_ for values %PLAYER; 3996 reattach $_ for values %PLAYER;
3997 }
2987 3998
2988 warn "leaving sync_job"; 3999 cf::_post_init 1;
2989 4000
4001 trace "perl_reload: leaving sync_job";
4002
2990 1 4003 1
2991 } or do { 4004 } or do {
2992 warn $@; 4005 error $@;
2993 warn "error while reloading, exiting."; 4006 cf::cleanup "perl_reload: error, exiting.";
2994 exit 1; 4007 };
4008
4009 --$RELOAD;
2995 }; 4010 }
2996 4011
2997 warn "reloaded"; 4012 $t1 = AE::time - $t1;
4013 info "perl_reload: completed in ${t1}s\n";
2998}; 4014};
2999 4015
3000our $RELOAD_WATCHER; # used only during reload 4016our $RELOAD_WATCHER; # used only during reload
3001 4017
3002sub reload_perl() { 4018sub reload_perl() {
3003 # doing reload synchronously and two reloads happen back-to-back, 4019 # doing reload synchronously and two reloads happen back-to-back,
3004 # coro crashes during coro_state_free->destroy here. 4020 # coro crashes during coro_state_free->destroy here.
3005 4021
3006 $RELOAD_WATCHER ||= Event->timer ( 4022 $RELOAD_WATCHER ||= cf::async {
3007 reentrant => 0, 4023 Coro::AIO::aio_wait cache_extensions;
3008 after => 0, 4024
3009 data => WF_AUTOCANCEL, 4025 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3010 cb => sub {
3011 do_reload_perl; 4026 do_reload_perl;
3012 undef $RELOAD_WATCHER; 4027 undef $RELOAD_WATCHER;
3013 }, 4028 };
3014 ); 4029 };
3015} 4030}
3016 4031
3017register_command "reload" => sub { 4032register_command "reload" => sub {
3018 my ($who, $arg) = @_; 4033 my ($who, $arg) = @_;
3019 4034
3020 if ($who->flag (FLAG_WIZ)) { 4035 if ($who->flag (FLAG_WIZ)) {
3021 $who->message ("reloading server."); 4036 $who->message ("reloading server.");
4037 async {
4038 $Coro::current->{desc} = "perl_reload";
3022 async { reload_perl }; 4039 reload_perl;
4040 };
3023 } 4041 }
3024}; 4042};
3025 4043
3026unshift @INC, $LIBDIR; 4044#############################################################################
3027 4045
3028my $bug_warning = 0; 4046my $bug_warning = 0;
3029 4047
3030our @WAIT_FOR_TICK; 4048our @WAIT_FOR_TICK;
3031our @WAIT_FOR_TICK_BEGIN; 4049our @WAIT_FOR_TICK_BEGIN;
3032 4050
3033sub wait_for_tick { 4051sub wait_for_tick() {
3034 return unless $TICK_WATCHER->is_active;
3035 return if $Coro::current == $Coro::main; 4052 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3036 4053
3037 my $signal = new Coro::Signal; 4054 my $signal = new Coro::Signal;
3038 push @WAIT_FOR_TICK, $signal; 4055 push @WAIT_FOR_TICK, $signal;
3039 $signal->wait; 4056 $signal->wait;
3040} 4057}
3041 4058
3042sub wait_for_tick_begin { 4059sub wait_for_tick_begin() {
3043 return unless $TICK_WATCHER->is_active;
3044 return if $Coro::current == $Coro::main; 4060 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3045 4061
3046 my $signal = new Coro::Signal; 4062 my $signal = new Coro::Signal;
3047 push @WAIT_FOR_TICK_BEGIN, $signal; 4063 push @WAIT_FOR_TICK_BEGIN, $signal;
3048 $signal->wait; 4064 $signal->wait;
3049} 4065}
3050 4066
3051 my $min = 1e6;#d# 4067sub tick {
3052 my $avg = 10;
3053$TICK_WATCHER = Event->timer (
3054 reentrant => 0,
3055 parked => 1,
3056 prio => 0,
3057 at => $NEXT_TICK || $TICK,
3058 data => WF_AUTOCANCEL,
3059 cb => sub {
3060 if ($Coro::current != $Coro::main) { 4068 if ($Coro::current != $Coro::main) {
3061 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4069 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3062 unless ++$bug_warning > 10; 4070 unless ++$bug_warning > 10;
3063 return; 4071 return;
3064 } 4072 }
3065 4073
3066 $NOW = $tick_start = Event::time;
3067
3068 cf::server_tick; # one server iteration 4074 cf::server_tick; # one server iteration
3069 4075
3070 0 && sync_job {#d# 4076 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3071 for(1..10) {
3072 my $t = Event::time;
3073 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3074 or die;
3075 4077
3076 $map->width (50); 4078 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3077 $map->height (50); 4079 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3078 $map->alloc; 4080 Coro::async_pool {
3079 $map->_load_objects ("/tmp/x.map", 1); 4081 $Coro::current->{desc} = "runtime saver";
3080 my $t = Event::time - $t; 4082 write_runtime_sync
3081 4083 or error "ERROR: unable to write runtime file: $!";
3082 #next unless $t < 0.0013;#d#
3083 if ($t < $min) {
3084 $min = $t;
3085 }
3086 $avg = $avg * 0.99 + $t * 0.01;
3087 }
3088 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3089 exit 0;
3090 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3091 }; 4084 };
4085 }
3092 4086
3093 $RUNTIME += $TICK;
3094 $NEXT_TICK += $TICK;
3095
3096 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3097 $NEXT_RUNTIME_WRITE = $NOW + 10;
3098 Coro::async_pool {
3099 write_runtime
3100 or warn "ERROR: unable to write runtime file: $!";
3101 };
3102 }
3103
3104# my $AFTER = Event::time;
3105# warn $AFTER - $NOW;#d#
3106
3107 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4087 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3108 $sig->send; 4088 $sig->send;
3109 } 4089 }
3110 while (my $sig = shift @WAIT_FOR_TICK) { 4090 while (my $sig = shift @WAIT_FOR_TICK) {
3111 $sig->send; 4091 $sig->send;
3112 } 4092 }
3113 4093
3114 $NOW = Event::time; 4094 $LOAD = ($NOW - $TICK_START) / $TICK;
3115
3116 # if we are delayed by four ticks or more, skip them all
3117 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3118
3119 $TICK_WATCHER->at ($NEXT_TICK);
3120 $TICK_WATCHER->start;
3121
3122 $LOAD = ($NOW - $tick_start) / $TICK;
3123 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4095 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3124 4096
3125 _post_tick; 4097 if (0) {
3126 4098 if ($NEXT_TICK) {
3127 4099 my $jitter = $TICK_START - $NEXT_TICK;
4100 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4101 debug "jitter $JITTER\n";#d#
4102 }
3128 }, 4103 }
3129); 4104}
3130 4105
3131{ 4106{
3132 BDB::max_poll_time $TICK * 0.1; 4107 # configure BDB
3133 $BDB_POLL_WATCHER = Event->io ( 4108
3134 reentrant => 0,
3135 fd => BDB::poll_fileno,
3136 poll => 'r',
3137 prio => 0,
3138 data => WF_AUTOCANCEL,
3139 cb => \&BDB::poll_cb,
3140 );
3141 BDB::min_parallel 8; 4109 BDB::min_parallel 16;
3142 4110 BDB::max_poll_reqs $TICK * 0.1;
3143 BDB::set_sync_prepare { 4111 $AnyEvent::BDB::WATCHER->priority (1);
3144 my $status;
3145 my $current = $Coro::current;
3146 (
3147 sub {
3148 $status = $!;
3149 $current->ready; undef $current;
3150 },
3151 sub {
3152 Coro::schedule while defined $current;
3153 $! = $status;
3154 },
3155 )
3156 };
3157 4112
3158 unless ($DB_ENV) { 4113 unless ($DB_ENV) {
3159 $DB_ENV = BDB::db_env_create; 4114 $DB_ENV = BDB::db_env_create;
4115 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4116 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4117 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4118 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4119 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3160 4120
3161 cf::sync_job { 4121 cf::sync_job {
3162 eval { 4122 eval {
3163 BDB::db_env_open 4123 BDB::db_env_open
3164 $DB_ENV, 4124 $DB_ENV,
3166 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4126 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3167 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4127 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3168 0666; 4128 0666;
3169 4129
3170 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4130 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3171
3172 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3173 $DB_ENV->set_lk_detect;
3174 }; 4131 };
3175 4132
3176 cf::cleanup "db_env_open(db): $@" if $@; 4133 cf::cleanup "db_env_open(db): $@" if $@;
3177 }; 4134 };
3178 } 4135 }
4136
4137 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4138 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4139 };
4140 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4141 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4142 };
4143 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4144 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4145 };
3179} 4146}
3180 4147
3181{ 4148{
4149 # configure IO::AIO
4150
3182 IO::AIO::min_parallel 8; 4151 IO::AIO::min_parallel 8;
3183
3184 undef $Coro::AIO::WATCHER;
3185 IO::AIO::max_poll_time $TICK * 0.1; 4152 IO::AIO::max_poll_time $TICK * 0.1;
3186 $AIO_POLL_WATCHER = Event->io ( 4153 undef $AnyEvent::AIO::WATCHER;
3187 reentrant => 0,
3188 data => WF_AUTOCANCEL,
3189 fd => IO::AIO::poll_fileno,
3190 poll => 'r',
3191 prio => 6,
3192 cb => \&IO::AIO::poll_cb,
3193 );
3194} 4154}
3195 4155
3196my $_log_backtrace; 4156our $_log_backtrace;
4157our $_log_backtrace_last;
3197 4158
3198sub _log_backtrace { 4159sub _log_backtrace {
3199 my ($msg, @addr) = @_; 4160 my ($msg, @addr) = @_;
3200 4161
3201 $msg =~ s/\n//; 4162 $msg =~ s/\n$//;
3202 4163
4164 if ($_log_backtrace_last eq $msg) {
4165 LOG llevInfo, "[ABT] $msg\n";
4166 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3203 # limit the # of concurrent backtraces 4167 # limit the # of concurrent backtraces
3204 if ($_log_backtrace < 2) { 4168 } elsif ($_log_backtrace < 2) {
4169 $_log_backtrace_last = $msg;
3205 ++$_log_backtrace; 4170 ++$_log_backtrace;
4171 my $perl_bt = Carp::longmess $msg;
3206 async { 4172 async {
4173 $Coro::current->{desc} = "abt $msg";
4174
3207 my @bt = fork_call { 4175 my @bt = fork_call {
3208 @addr = map { sprintf "%x", $_ } @addr; 4176 @addr = map { sprintf "%x", $_ } @addr;
3209 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4177 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3210 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4178 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3211 or die "addr2line: $!"; 4179 or die "addr2line: $!";
3219 } 4187 }
3220 4188
3221 @funcs 4189 @funcs
3222 }; 4190 };
3223 4191
3224 LOG llevInfo, "[ABT] $msg\n"; 4192 LOG llevInfo, "[ABT] $perl_bt\n";
4193 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3225 LOG llevInfo, "[ABT] $_\n" for @bt; 4194 LOG llevInfo, "[ABT] $_\n" for @bt;
3226 --$_log_backtrace; 4195 --$_log_backtrace;
3227 }; 4196 };
3228 } else { 4197 } else {
3229 LOG llevInfo, "[ABT] $msg\n"; 4198 LOG llevInfo, "[ABT] $msg\n";
3230 LOG llevInfo, "[ABT] [suppressed]\n"; 4199 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3231 } 4200 }
3232} 4201}
3233 4202
3234# load additional modules 4203# load additional modules
3235use cf::pod; 4204require "cf/$_.pm" for @EXTRA_MODULES;
4205cf::_connect_to_perl_2;
3236 4206
3237END { cf::emergency_save } 4207END { cf::emergency_save }
3238 4208
32391 42091
3240 4210

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines