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Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
54our %EXTICMD = (); 88our %EXTICMD = ();
55our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
56our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
57 91
58our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
59our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
60 96
61our $CONFDIR = confdir; 97our $CONFDIR = confdir;
62our $DATADIR = datadir; 98our $DATADIR = datadir;
63our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
64our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
65our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
66our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
67our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
68our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
71our $BDBDIR = "$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;
72 118
73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74our $TICK_WATCHER;
75our $AIO_POLL_WATCHER;
76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77our $NEXT_TICK; 121our $NEXT_TICK;
78our $NOW;
79our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
80 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
81our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
82our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
83 130
84our %CFG; 131our %CFG;
85 132
86our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
87our $RUNTIME; 134our $RUNTIME;
135our $NOW;
88 136
89our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
90our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
91our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
92 140
93# 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 ∕
94our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95 143
96our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
97our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
98our $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 $REALLY_UNLOOP; # never set to true, please :)
99 153
100binmode STDOUT; 154binmode STDOUT;
101binmode STDERR; 155binmode STDERR;
102 156
103# read virtual server time, if available 157# read virtual server time, if available
104unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
105 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
106 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
107 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
108} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
109 165
110mkdir $_ 166mkdir $_
111 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112 168
113our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
114 170
115sub 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::"} };
116 187
117############################################################################# 188#############################################################################
118 189
119=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
120 191
156 227
157The raw value load value from the last tick. 228The raw value load value from the last tick.
158 229
159=item %cf::CFG 230=item %cf::CFG
160 231
161Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162from wherever your confdir points to. 233from wherever your confdir points to.
163 234
164=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
165 236
166These 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
167returns 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
168per 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.
169 240
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
170=back 258=back
171 259
172=cut 260=cut
173 261
174BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
175 *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 {
176 my $msg = join "", @_; 269 my $msg = join "", @_;
177 270
178 $msg .= "\n" 271 $msg .= "\n"
179 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
180 273
181 $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;
182 275
183 utf8::encode $msg;
184 LOG llevError, $msg; 276 LOG llevWarn, $msg;
185 }; 277};
186} 278
279$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};
187 292
188@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
198for my $pkg (qw( 303for my $pkg (qw(
199 cf::global cf::attachable 304 cf::global cf::attachable
200 cf::object cf::object::player 305 cf::object cf::object::player
201 cf::client cf::player 306 cf::client cf::player
202 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
203 cf::map cf::party cf::region 309 cf::party cf::region
204)) { 310)) {
205 no strict 'refs';
206 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207} 312}
208 313
209$Event::DIED = sub { 314$EV::DIED = sub {
210 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
211}; 316};
212 317
213############################################################################# 318#############################################################################
214 319
215=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
237 $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;
238 $d 343 $d
239 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
240} 345}
241 346
242use JSON::XS ();
243
244=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
245 348
246Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
247 350
248=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
249 352
250Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
251 354
252=cut 355=cut
253 356
254our $json_coder = JSON::XS->new->convert_blessed->utf8; 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255 358
256sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
257sub 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}
258 404
259=item cf::lock_wait $string 405=item cf::lock_wait $string
260 406
261Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
262 408
263=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
264 410
265Wait 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
266a 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,
267for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
268returned. 414returned.
269 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
270Lock 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
271uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
272 421
273=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
274 423
275Return 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.
276 425
277=cut 426=cut
278 427
279our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
280 429
281sub lock_wait($) { 430sub lock_wait($) {
282 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
283
284 # wait for lock, if any
285 while ($LOCK{$key}) {
286 push @{ $LOCK{$key} }, $Coro::current;
287 Coro::schedule;
288 }
289} 432}
290 433
291sub lock_acquire($) { 434sub lock_acquire($) {
292 my ($key) = @_; 435 $LOCKS->guard ($_[0])
293
294 # wait, to be sure we are not locked
295 lock_wait $key;
296
297 $LOCK{$key} = [];
298
299 Coro::guard {
300 # wake up all waiters, to be on the safe side
301 $_->ready for @{ delete $LOCK{$key} };
302 }
303} 436}
304 437
305sub lock_active($) { 438sub lock_active($) {
306 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
307
308 ! ! $LOCK{$key}
309} 440}
310 441
311sub freeze_mainloop { 442sub freeze_mainloop {
312 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
313 444
314 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
315 $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($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
316 }; 512 }
317 $TICK_WATCHER->stop; 513};
318 $guard 514
515sub get_slot($;$$) {
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 $sig->wait;
319} 528}
320 529
321=item cf::async { BLOCK } 530=item cf::async { BLOCK }
322 531
323Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
328 537
329BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
330 539
331=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
332 541
333The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
334is always able to handle events or runnable, as Crossfire TRT is only 543is always able to handle events or runnable, as Deliantra is only
335partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336acceptable. 545acceptable.
337 546
338If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
339the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
343=cut 552=cut
344 553
345sub sync_job(&) { 554sub sync_job(&) {
346 my ($job) = @_; 555 my ($job) = @_;
347 556
348 if ($Coro::current == $Coro::main) { 557 if (in_main) {
349 my $time = Event::time; 558 my $time = AE::time;
350 559
351 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
352 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
353 562
354 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
355 # (but this is cancel-safe) 564
356 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
357 566
358 my $busy = 1; 567 my $busy = 1;
359 my @res; 568 my @res;
360 569
361 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
362 @res = eval { $job->() }; 572 @res = eval { $job->() };
363 warn $@ if $@; 573 error $@ if $@;
364 undef $busy; 574 undef $busy;
365 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
366 576
367 while ($busy) { 577 while ($busy) {
368 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
369 } 582 }
583 }
370 584
371 $time = Event::time - $time; 585 my $time = AE::time - $time;
372 586
373 LOG llevError | logBacktrace, Carp::longmess "long sync job"
374 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
377 588
378 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
379 } else { 590 } else {
380 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
381 592
401 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
402 613
403 $coro 614 $coro
404} 615}
405 616
406=item fork_call { }, $args 617=item fork_call { }, @args
407 618
408Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
409process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
410Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
411never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
412 623
413=cut 624=cut
625
626sub post_fork {
627 reset_signals;
628}
414 629
415sub fork_call(&@) { 630sub fork_call(&@) {
416 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
417 632
418# 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,
419# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
420 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
421 or die "pipe: $!";
422 636
423 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
424 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
425 641
426 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
427 $res = Coro::Storable::thaw $res; 643}
428 644
429 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
430
431 die $$res unless "ARRAY" eq ref $res;
432
433 return wantarray ? @$res : $res->[-1];
434 } else {
435 reset_signals;
436 local $SIG{__WARN__};
437 local $SIG{__DIE__};
438 eval {
439 close $fh1;
440
441 my @res = eval { $cb->(@args) };
442 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
443 };
444
445 warn $@ if $@;
446 _exit 0;
447 } 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
448} 681}
449 682
450=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
451 684
452Returns a single value from the environment database. 685Returns a single value from the environment database.
454=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
455 688
456Stores 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
457data 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).
458 691
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
459=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}
460 718
461our $DB; 719our $DB;
462 720
463sub db_init { 721sub db_init {
464 unless ($DB) { 722 $DB ||= db_table "db";
465 $DB = BDB::db_create $DB_ENV;
466
467 cf::sync_job {
468 eval {
469 $DB->set_flags (BDB::CHKSUM);
470
471 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473 cf::cleanup "db_open(db): $!" if $!;
474 };
475 cf::cleanup "db_open(db): $@" if $@;
476 };
477 }
478} 723}
479 724
480sub db_get($$) { 725sub db_get($$) {
481 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
482 727
483 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
484 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
485 732
486 $! ? () 733 $! ? ()
487 : $data 734 : $data
488 }
489} 735}
490 736
491sub db_put($$$) { 737sub db_put($$$) {
492 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
493 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
532 if (1) { 778 if (1) {
533 $md5 = 779 $md5 =
534 join "\x00", 780 join "\x00",
535 $processversion, 781 $processversion,
536 map { 782 map {
537 Coro::cede; 783 cf::cede_to_tick;
538 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
539 } 0.. $#$src; 785 } 0.. $#$src;
540 786
541 787
542 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
549 795
550 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
551 my $data = $process->(\@data); 797 my $data = $process->(\@data);
552 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
553 799
554 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
555 801
556 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
557 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
558 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
559 805
569 815
570=cut 816=cut
571 817
572sub datalog($@) { 818sub datalog($@) {
573 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
574 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
575} 821}
576 822
577=back 823=back
578 824
579=cut 825=cut
580 826
581############################################################################# 827#############################################################################
582 828
583=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
584 830
585Many 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
586attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
587to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
588 834
589In 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>
590C<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
591Crossfire TRT). 837Deliantra).
592 838
593=over 4 839=over 4
594 840
595=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
596 842
640=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
641 887
642Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
643given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
644 890
645Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
646that 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.
647 893
648These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
649 895
650=over 4 896=over 4
774 1020
775 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
776 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
777 1023
778 } elsif (ref $type) { 1024 } elsif (ref $type) {
779 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
780 1026
781 } else { 1027 } else {
782 shift @arg; 1028 shift @arg;
783 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
784 } 1030 }
785 } 1031 }
786} 1032}
787 1033
788sub _object_attach { 1034sub _object_attach {
798 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
799 } 1045 }
800 1046
801 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
802 } else { 1048 } else {
803 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
804 } 1050 }
805 1051
806 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
807} 1053}
808 1054
848 "; 1094 ";
849 die if $@; 1095 die if $@;
850} 1096}
851 1097
852our $override; 1098our $override;
853our @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?
854 1100
855sub override { 1101sub override {
856 $override = 1; 1102 $override = 1;
857 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
858} 1104}
859 1105
860sub do_invoke { 1106sub do_invoke {
861 my $event = shift; 1107 my $event = shift;
862 my $callbacks = shift; 1108 my $callbacks = shift;
863 1109
864 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
865 1111
866 local $override; 1112 local $override;
867 1113
868 for (@$callbacks) { 1114 for (@$callbacks) {
869 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
870 1116
871 if ($@) { 1117 if ($@) {
872 warn "$@";
873 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
874 override; 1119 override;
875 } 1120 }
876 1121
877 return 1 if $override; 1122 return 1 if $override;
878 } 1123 }
879 1124
880 0 1125 0
881} 1126}
882 1127
883=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884 1129
885=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886 1131
887Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
888 1133
889This 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
890removed 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
891results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892 1137
893=back 1138=back
894 1139
895=cut 1140=cut
896 1141
897############################################################################# 1142#############################################################################
898# 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}
899 1186
900sub reattach { 1187sub reattach {
901 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
902 my ($obj) = @_; 1189 my ($obj) = @_;
903 1190
1191 # no longer needed after getting rid of delete_package?
904 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
905 1193
906 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
907 1195
908 @$registry = (); 1196 @$registry = ();
909 1197
914 for (@$attach) { 1202 for (@$attach) {
915 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
916 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
917 } 1205 }
918 } else { 1206 } else {
919 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
920 } 1208 }
921 } 1209 }
922} 1210}
923 1211
924cf::attachable->attach ( 1212cf::attachable->attach (
925 prio => -1000000, 1213 prio => -1000000,
926 on_instantiate => sub { 1214 on_instantiate => sub {
927 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
928 1216
929 $data = from_json $data; 1217 $data = decode_json $data;
930 1218
931 for (@$data) { 1219 for (@$data) {
932 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
933 1221
934 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
950sub object_freezer_save { 1238sub object_freezer_save {
951 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
952 1240
953 sync_job { 1241 sync_job {
954 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
955 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
956 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
957 1247
958 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
960 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961 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 }
962 close $fh; 1255 aio_close $fh;
963 1256
964 if (@$objs) { 1257 if (@$objs) {
965 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) {
966 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
967 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
969 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 }
970 close $fh; 1266 aio_close $fh;
971 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
972 } 1268 }
973 } else { 1269 } else {
974 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
975 } 1271 }
976 1272
977 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
978 } else { 1277 } else {
979 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
980 } 1279 }
981 } else { 1280 } else {
982 aio_unlink $filename; 1281 aio_unlink $filename;
983 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
984 } 1283 }
985 } 1284 };
986} 1285}
987 1286
988sub object_freezer_as_string { 1287sub object_freezer_as_string {
989 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
990 1289
1002 or return; 1301 or return;
1003 1302
1004 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1005 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1006 or return; 1305 or return;
1306
1007 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1008 } 1309 }
1009 1310
1311 utf8::decode (my $decname = $filename);
1010 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1011 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1012 return ($data, $av); 1316 ($data, $av)
1013} 1317}
1014 1318
1015=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1016 1320
1017=over 4 1321=over 4
1071 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1072 1376
1073 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1074} 1378}
1075 1379
1380use File::Glob ();
1381
1076cf::player->attach ( 1382cf::player->attach (
1077 on_command => sub { 1383 on_unknown_command => sub {
1078 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1079 1385
1080 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1081 or return; 1387 or return;
1082 1388
1087 cf::override; 1393 cf::override;
1088 }, 1394 },
1089 on_extcmd => sub { 1395 on_extcmd => sub {
1090 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
1091 1397
1092 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093 1399
1094 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
1095 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
1096 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
1097 $pl->ext_reply ($msg->{msgid}, %reply);
1098 }
1099 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1100 } else { 1415 } else {
1101 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102 } 1417 }
1103 1418
1104 cf::override; 1419 cf::override;
1105 }, 1420 },
1106); 1421);
1107 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
1108sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1109 cf::sync_job { 1439 cf::sync_job {
1110 my %todo; 1440 my %todo;
1111 1441
1112 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1113 next unless -r $path; 1443 next unless -r $path;
1131 1461
1132 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134 1464
1135 $ext{source} = 1465 $ext{source} =
1136 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1137 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1138 . $source 1468 . $source
1139 . "\n};\n1"; 1469 . "\n};\n1";
1140 1470
1141 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1142 } 1472 }
1143 1473
1474 my $pass = 0;
1144 my %done; 1475 my %done;
1145 while (%todo) { 1476 while (%todo) {
1146 my $progress; 1477 my $progress;
1147 1478
1479 ++$pass;
1480
1481 ext:
1148 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1149 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1150 goto skip 1484 next ext
1151 unless exists $done{$_}; 1485 unless exists $done{$_};
1152 } 1486 }
1153 1487
1154 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155 1489
1156 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1157 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1158 : "$v->{base}: extension inactive.\n";
1159 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1161 warn $msg; 1497
1162 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163 exit 1; 1499 delete $todo{$k};
1164 } 1500 } else {
1165 1501 $done{$k} = delete $todo{$k};
1166 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1167 } 1507 }
1168
1169 $done{$k} = delete $todo{$k};
1170 push @EXTS, $v->{pkg};
1171 $progress = 1;
1172 } 1508 }
1173 1509
1174 skip: 1510 unless ($progress) {
1175 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176 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 }
1177 } 1518 }
1178 }; 1519 };
1179} 1520}
1180 1521
1181############################################################################# 1522#############################################################################
1182 1523
1183=back 1524=back
1184 1525
1185=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1186 1527
1187Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1188 1529
1189=cut 1530=cut
1190 1531
1191package cf::player; 1532package cf::player;
1192 1533
1193use Coro::AIO; 1534use Coro::AIO;
1194 1535
1195=head3 cf::player 1536=head3 cf::player
1196 1537
1197=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}
1198 1553
1199=item cf::player::find $login 1554=item cf::player::find $login
1200 1555
1201Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1202 1557
1221 1576
1222sub exists($) { 1577sub exists($) {
1223 my ($login) = @_; 1578 my ($login) = @_;
1224 1579
1225 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1226 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1227} 1582}
1228 1583
1229sub find($) { 1584sub find($) {
1230 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1231 my $login = $_[0]; 1586 my $login = $_[0];
1238 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1242 1597
1243 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1244 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;
1245 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1246 } 1607 }
1247 } 1608 }
1248} 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);
1249 1623
1250sub save($) { 1624sub save($) {
1251 my ($pl) = @_; 1625 my ($pl) = @_;
1252 1626
1253 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1258 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1259 1633
1260 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1261 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1262 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
1263 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1264 Coro::cede; 1643 cf::cede_to_tick;
1265} 1644}
1266 1645
1267sub new($) { 1646sub new($) {
1268 my ($login) = @_; 1647 my ($login) = @_;
1269 1648
1275 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1276 1655
1277 $self 1656 $self
1278} 1657}
1279 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
1280=item $pl->quit_character 1669=item $pl->quit_character
1281 1670
1282Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1283be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1284 1673
1288 my ($pl) = @_; 1677 my ($pl) = @_;
1289 1678
1290 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1291 1680
1292 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1293 $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
1294 1683
1295 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1296 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1297 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1298 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1299 1692
1300 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1301 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1302 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1337 or return []; 1730 or return [];
1338 1731
1339 my @logins; 1732 my @logins;
1340 1733
1341 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") {
1342 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1344 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1345 1744
1346 utf8::decode $login; 1745 utf8::decode $login;
1347 push @logins, $login; 1746 push @logins, $login;
1348 } 1747 }
1349 1748
1350 \@logins 1749 \@logins
1351} 1750}
1352 1751
1353=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1354 1755
1355Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1356player. May block. 1757player. May block.
1357 1758
1358=cut 1759=cut
1376 } 1777 }
1377 1778
1378 \@paths 1779 \@paths
1379} 1780}
1380 1781
1381=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382 1783
1383Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1384 1785
1385=cut
1386
1387sub expand_cfpod {
1388 ((my $self), (local $_)) = @_;
1389
1390 # escape & and <
1391 s/&/&amp;/g;
1392 s/(?<![BIUGH])</&lt;/g;
1393
1394 # this is buggy, it needs to properly take care of nested <'s
1395
1396 1 while
1397 # replace B<>, I<>, U<> etc.
1398 s/B<([^\>]*)>/<b>$1<\/b>/
1399 || s/I<([^\>]*)>/<i>$1<\/i>/
1400 || s/U<([^\>]*)>/<u>$1<\/u>/
1401 # replace G<male|female> tags
1402 || s{G<([^>|]*)\|([^>]*)>}{
1403 $self->gender ? $2 : $1
1404 }ge
1405 # replace H<hint text>
1406 || s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408 # create single paragraphs (very hackish)
1409 s/(?<=\S)\n(?=\w)/ /g;
1410
1411 $_
1412}
1413
1414=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1415 1787
1416Sends an ext reply to the player. 1788Sends an ext reply to the player.
1417 1789
1418=cut 1790=cut
1419 1791
1420sub ext_reply($$%) { 1792sub ext_reply($$@) {
1421 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1422 1794
1423 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1424 $self->send ("ext " . cf::to_json \%msg);
1425} 1796}
1426 1797
1427=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1428 1799
1429Sends an ext event to the client. 1800Sends an ext event to the client.
1430 1801
1431=cut 1802=cut
1432 1803
1433sub ext_event($$%) { 1804sub ext_msg($$@) {
1434 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1435 1806
1436 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1437} 1808}
1438 1809
1439=head3 cf::region 1810=head3 cf::region
1440 1811
1441=over 4 1812=over 4
1451=cut 1822=cut
1452 1823
1453sub find_by_path($) { 1824sub find_by_path($) {
1454 my ($path) = @_; 1825 my ($path) = @_;
1455 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1456 my ($match, $specificity); 1829 my ($match, $specificity);
1457 1830
1458 for my $region (list) { 1831 for my $region (list) {
1459 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1460 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1461 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1462 } 1835 }
1463 } 1836 }
1464 1837
1485our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1486our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1487 1860
1488sub generate_random_map { 1861sub generate_random_map {
1489 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
1490 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1491 $self->_create_random_map ( 1867 $self->_create_random_map (
1492 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1494 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1496 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1497 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1513 1889
1514sub register { 1890sub register {
1515 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1516 my $pkg = caller; 1892 my $pkg = caller;
1517 1893
1518 no strict;
1519 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1520 1895
1521 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1522} 1897}
1523 1898
1524# also paths starting with '/' 1899# also paths starting with '/'
1525$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1526 1901
1527sub thawer_merge { 1902sub thawer_merge {
1528 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1529 1904
1530 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1535} 1910}
1536 1911
1537sub normalise { 1912sub normalise {
1538 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1539 1914
1540 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1541 1916
1542 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1543 1918
1544 # map plan: 1919 # map plan:
1545 # 1920 #
1560 $base =~ s{[^/]+/?$}{}; 1935 $base =~ s{[^/]+/?$}{};
1561 $path = "$base/$path"; 1936 $path = "$base/$path";
1562 } 1937 }
1563 1938
1564 for ($path) { 1939 for ($path) {
1565 redo if s{//}{/};
1566 redo if s{/\.?/}{/}; 1940 redo if s{/\.?/}{/};
1567 redo if s{/[^/]+/\.\./}{/}; 1941 redo if s{/[^/]+/\.\./}{/};
1568 } 1942 }
1569 1943
1570 $path 1944 $path
1584 $self->init; # pass $1 etc. 1958 $self->init; # pass $1 etc.
1585 return $self; 1959 return $self;
1586 } 1960 }
1587 } 1961 }
1588 1962
1589 Carp::carp "unable to resolve path '$path' (base '$base')."; 1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1590 () 1964 ()
1591} 1965}
1592 1966
1593sub init { 1967sub init {
1594 my ($self) = @_; 1968 my ($self) = @_;
1616 1990
1617# the temporary/swap location 1991# the temporary/swap location
1618sub save_path { 1992sub save_path {
1619 my ($self) = @_; 1993 my ($self) = @_;
1620 1994
1621 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622 "$TMPDIR/$path.map" 1996 "$TMPDIR/$path.map"
1623} 1997}
1624 1998
1625# the unique path, undef == no special unique path 1999# the unique path, undef == no special unique path
1626sub uniq_path { 2000sub uniq_path {
1627 my ($self) = @_; 2001 my ($self) = @_;
1628 2002
1629 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630 "$UNIQUEDIR/$path" 2004 "$UNIQUEDIR/$path"
1631}
1632
1633# and all this just because we cannot iterate over
1634# all maps in C++...
1635sub change_all_map_light {
1636 my ($change) = @_;
1637
1638 $_->change_map_light ($change)
1639 for grep $_->outdoor, values %cf::MAP;
1640} 2005}
1641 2006
1642sub decay_objects { 2007sub decay_objects {
1643 my ($self) = @_; 2008 my ($self) = @_;
1644 2009
1657 2022
1658sub load_header_from($) { 2023sub load_header_from($) {
1659 my ($self, $path) = @_; 2024 my ($self, $path) = @_;
1660 2025
1661 utf8::encode $path; 2026 utf8::encode $path;
1662 #aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1663 # or return;
1664
1665 $self->_load_header ($path)
1666 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;
1667 2035
1668 $self->{load_path} = $path; 2036 $self->{load_path} = $path;
1669 2037
1670 1 2038 1
1671} 2039}
1723 2091
1724sub find; 2092sub find;
1725sub find { 2093sub find {
1726 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1727 2095
2096 cf::cede_to_tick;
2097
1728 $path = normalise $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1729 2099
2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730 cf::lock_wait "map_find:$path"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1731 2102
1732 $cf::MAP{$path} || do { 2103 $cf::MAP{$path} || do {
1733 my $guard = cf::lock_acquire "map_find:$path";
1734 my $map = new_from_path cf::map $path 2104 my $map = new_from_path cf::map $path
1735 or return; 2105 or return;
1736 2106
1737 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1738 2108
1740 or return; 2110 or return;
1741 2111
1742 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743 # doing this can freeze the server in a sync job, obviously 2113 # doing this can freeze the server in a sync job, obviously
1744 #$cf::WAIT_FOR_TICK->wait; 2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1745 $map->reset; 2117 $map->reset;
1746 undef $guard;
1747 return find $path; 2118 return find $path;
1748 } 2119 }
1749 2120
1750 $cf::MAP{$path} = $map 2121 $cf::MAP{$path} = $map
1751 } 2122 }
1752} 2123}
1753 2124
1754sub pre_load { } 2125sub pre_load { }
1755sub post_load { } 2126#sub post_load { } # XS
1756 2127
1757sub load { 2128sub load {
1758 my ($self) = @_; 2129 my ($self) = @_;
1759 2130
1760 local $self->{deny_reset} = 1; # loading can take a long time 2131 local $self->{deny_reset} = 1; # loading can take a long time
1761 2132
1762 my $path = $self->{path}; 2133 my $path = $self->{path};
1763 2134
1764 { 2135 {
1765 my $guard = cf::lock_acquire "map_load:$path"; 2136 my $guard = cf::lock_acquire "map_data:$path";
1766 2137
2138 return unless $self->valid;
1767 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1768 2140
1769 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1770 2142
1771 $self->alloc; 2143 $self->alloc;
1772 2144
1773 $self->pre_load; 2145 $self->pre_load;
1774 Coro::cede; 2146 cf::cede_to_tick;
1775 2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
1776 $self->_load_objects ($self->{load_path}, 1) 2150 $self->_load_objects ($f)
1777 or return; 2151 or return;
1778 2152
1779 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1780 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1781 2155
1782 if (my $uniq = $self->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1783 utf8::encode $uniq; 2157 utf8::encode $uniq;
1784 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1785 $self->clear_unique_items; 2160 $self->clear_unique_items;
1786 $self->_load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1787 } 2164 }
1788 } 2165 }
1789 2166
1790 Coro::cede; 2167 $f->resolve_delayed_derefs;
2168
2169 cf::cede_to_tick;
1791 # now do the right thing for maps 2170 # now do the right thing for maps
1792 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1793 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1794 unless $self->difficulty; 2173 unless $self->difficulty;
1795 Coro::cede; 2174 cf::cede_to_tick;
1796 2175
1797 unless ($self->{deny_activate}) { 2176 unless ($self->{deny_activate}) {
1798 $self->decay_objects; 2177 $self->decay_objects;
1799 $self->fix_auto_apply; 2178 $self->fix_auto_apply;
1800 $self->update_buttons; 2179 $self->update_buttons;
1801 Coro::cede; 2180 cf::cede_to_tick;
1802 $self->set_darkness_map;
1803 Coro::cede;
1804 $self->activate; 2181 $self->activate;
1805 } 2182 }
1806 2183
2184 $self->{last_save} = $cf::RUNTIME;
2185 $self->last_access ($cf::RUNTIME);
2186
1807 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
1808 } 2188 }
1809 2189
1810 $self->post_load; 2190 $self->post_load;
1811} 2191}
1812 2192
2193# customize the map for a given player, i.e.
2194# return the _real_ map. used by e.g. per-player
2195# maps to change the path to ~playername/mappath
1813sub customise_for { 2196sub customise_for {
1814 my ($self, $ob) = @_; 2197 my ($self, $ob) = @_;
1815 2198
1816 return find "~" . $ob->name . "/" . $self->{path} 2199 return find "~" . $ob->name . "/" . $self->{path}
1817 if $self->per_player; 2200 if $self->per_player;
1821 2204
1822 $self 2205 $self
1823} 2206}
1824 2207
1825# find and load all maps in the 3x3 area around a map 2208# find and load all maps in the 3x3 area around a map
1826sub load_diag { 2209sub load_neighbours {
1827 my ($map) = @_; 2210 my ($map) = @_;
1828 2211
1829 my @diag; # diagonal neighbours 2212 my @neigh; # diagonal neighbours
1830 2213
1831 for (0 .. 3) { 2214 for (0 .. 3) {
1832 my $neigh = $map->tile_path ($_) 2215 my $neigh = $map->tile_path ($_)
1833 or next; 2216 or next;
1834 $neigh = find $neigh, $map 2217 $neigh = find $neigh, $map
1835 or next; 2218 or next;
1836 $neigh->load; 2219 $neigh->load;
1837 2220
2221 # now find the diagonal neighbours
2222 push @neigh,
1838 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2223 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1839 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2224 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1840 } 2225 }
1841 2226
1842 for (@diag) { 2227 for (grep defined $_->[0], @neigh) {
2228 my ($path, $origin) = @$_;
1843 my $neigh = find @$_ 2229 my $neigh = find $path, $origin
1844 or next; 2230 or next;
1845 $neigh->load; 2231 $neigh->load;
1846 } 2232 }
1847} 2233}
1848 2234
1849sub find_sync { 2235sub find_sync {
1850 my ($path, $origin) = @_; 2236 my ($path, $origin) = @_;
1851 2237
1852 cf::sync_job { find $path, $origin } 2238 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2239 if $Coro::current == $Coro::main;
2240
2241 find $path, $origin
1853} 2242}
1854 2243
1855sub do_load_sync { 2244sub do_load_sync {
1856 my ($map) = @_; 2245 my ($map) = @_;
1857 2246
1858 cf::sync_job { $map->load }; 2247 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2248 if $Coro::current == $Coro::main;
2249
2250 $map->load;
1859} 2251}
1860 2252
1861our %MAP_PREFETCH; 2253our %MAP_PREFETCH;
1862our $MAP_PREFETCHER = undef; 2254our $MAP_PREFETCHER = undef;
1863 2255
1864sub find_async { 2256sub find_async {
1865 my ($path, $origin) = @_; 2257 my ($path, $origin, $load) = @_;
1866 2258
1867 $path = normalise $path, $origin && $origin->{path}; 2259 $path = normalise $path, $origin && $origin->{path};
1868 2260
1869 if (my $map = $cf::MAP{$path}) { 2261 if (my $map = $cf::MAP{$path}) {
1870 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2262 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871 } 2263 }
1872 2264
1873 undef $MAP_PREFETCH{$path}; 2265 $MAP_PREFETCH{$path} |= $load;
2266
1874 $MAP_PREFETCHER ||= cf::async { 2267 $MAP_PREFETCHER ||= cf::async {
2268 $Coro::current->{desc} = "map prefetcher";
2269
1875 while (%MAP_PREFETCH) { 2270 while (%MAP_PREFETCH) {
1876 for my $path (keys %MAP_PREFETCH) { 2271 while (my ($k, $v) = each %MAP_PREFETCH) {
1877 my $map = find $path 2272 if (my $map = find $k) {
1878 or next;
1879 $map->load; 2273 $map->load if $v;
2274 }
1880 2275
1881 delete $MAP_PREFETCH{$path}; 2276 delete $MAP_PREFETCH{$k};
1882 } 2277 }
1883 } 2278 }
1884 undef $MAP_PREFETCHER; 2279 undef $MAP_PREFETCHER;
1885 }; 2280 };
1886 $MAP_PREFETCHER->prio (6); 2281 $MAP_PREFETCHER->prio (6);
1887 2282
1888 () 2283 ()
1889} 2284}
1890 2285
2286# common code, used by both ->save and ->swapout
1891sub save { 2287sub _save {
1892 my ($self) = @_; 2288 my ($self) = @_;
1893
1894 my $lock = cf::lock_acquire "map_data:" . $self->path;
1895 2289
1896 $self->{last_save} = $cf::RUNTIME; 2290 $self->{last_save} = $cf::RUNTIME;
1897 2291
1898 return unless $self->dirty; 2292 return unless $self->dirty;
1899 2293
1905 return if $self->{deny_save}; 2299 return if $self->{deny_save};
1906 2300
1907 local $self->{last_access} = $self->last_access;#d# 2301 local $self->{last_access} = $self->last_access;#d#
1908 2302
1909 cf::async { 2303 cf::async {
2304 $Coro::current->{desc} = "map player save";
1910 $_->contr->save for $self->players; 2305 $_->contr->save for $self->players;
1911 }; 2306 };
2307
2308 cf::get_slot 0.02;
1912 2309
1913 if ($uniq) { 2310 if ($uniq) {
1914 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2311 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2312 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1916 } else { 2313 } else {
1917 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918 } 2315 }
1919} 2316}
1920 2317
2318sub save {
2319 my ($self) = @_;
2320
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
2323 $self->_save;
2324}
2325
1921sub swap_out { 2326sub swap_out {
1922 my ($self) = @_; 2327 my ($self) = @_;
1923 2328
1924 # save first because save cedes
1925 $self->save;
1926
1927 my $lock = cf::lock_acquire "map_data:" . $self->path; 2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
1928 2330
2331 return if $self->in_memory != cf::MAP_ACTIVE;
2332 return if $self->{deny_save};
1929 return if $self->players; 2333 return if $self->players;
1930 return if $self->in_memory != cf::MAP_IN_MEMORY;
1931 return if $self->{deny_save};
1932 2334
2335 # first deactivate the map and "unlink" it from the core
2336 $self->deactivate;
2337 $_->clear_links_to ($self) for values %cf::MAP;
2338 $self->in_memory (cf::MAP_SWAPPED);
2339
2340 # then atomically save
2341 $self->_save;
2342
2343 # then free the map
1933 $self->clear; 2344 $self->clear;
1934 $self->in_memory (cf::MAP_SWAPPED);
1935} 2345}
1936 2346
1937sub reset_at { 2347sub reset_at {
1938 my ($self) = @_; 2348 my ($self) = @_;
1939 2349
1957 2367
1958 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2368 my $lock = cf::lock_acquire "map_data:$self->{path}";
1959 2369
1960 return if $self->players; 2370 return if $self->players;
1961 2371
1962 warn "resetting map ", $self->path; 2372 cf::trace "resetting map ", $self->path, "\n";
1963 2373
1964 $self->in_memory (cf::MAP_SWAPPED); 2374 $self->in_memory (cf::MAP_SWAPPED);
1965 2375
1966 # need to save uniques path 2376 # need to save uniques path
1967 unless ($self->{deny_save}) { 2377 unless ($self->{deny_save}) {
1971 if $uniq; 2381 if $uniq;
1972 } 2382 }
1973 2383
1974 delete $cf::MAP{$self->path}; 2384 delete $cf::MAP{$self->path};
1975 2385
2386 $self->deactivate;
2387 $_->clear_links_to ($self) for values %cf::MAP;
1976 $self->clear; 2388 $self->clear;
1977
1978 $_->clear_links_to ($self) for values %cf::MAP;
1979 2389
1980 $self->unlink_save; 2390 $self->unlink_save;
1981 $self->destroy; 2391 $self->destroy;
1982} 2392}
1983 2393
1984my $nuke_counter = "aaaa"; 2394my $nuke_counter = "aaaa";
1985 2395
1986sub nuke { 2396sub nuke {
1987 my ($self) = @_; 2397 my ($self) = @_;
1988 2398
2399 {
2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
2401
1989 delete $cf::MAP{$self->path}; 2402 delete $cf::MAP{$self->path};
1990 2403
1991 $self->unlink_save; 2404 $self->unlink_save;
1992 2405
1993 bless $self, "cf::map"; 2406 bless $self, "cf::map::wrap";
1994 delete $self->{deny_reset}; 2407 delete $self->{deny_reset};
1995 $self->{deny_save} = 1; 2408 $self->{deny_save} = 1;
1996 $self->reset_timeout (1); 2409 $self->reset_timeout (1);
1997 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2410 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998 2411
1999 $cf::MAP{$self->path} = $self; 2412 $cf::MAP{$self->path} = $self;
2413 }
2000 2414
2001 $self->reset; # polite request, might not happen 2415 $self->reset; # polite request, might not happen
2002} 2416}
2003 2417
2004=item $maps = cf::map::tmp_maps 2418=item $maps = cf::map::tmp_maps
2046 2460
2047sub unique_maps() { 2461sub unique_maps() {
2048 [ 2462 [
2049 map { 2463 map {
2050 utf8::decode $_; 2464 utf8::decode $_;
2051 /\.map$/ 2465 s/\.map$//; # TODO future compatibility hack
2466 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2467 ? ()
2052 ? normalise $_ 2468 : normalise $_
2053 : ()
2054 } @{ aio_readdir $UNIQUEDIR or [] } 2469 } @{ aio_readdir $UNIQUEDIR or [] }
2055 ] 2470 ]
2056} 2471}
2057 2472
2058package cf; 2473=item cf::map::static_maps
2474
2475Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2476file in the shared directory excluding F</styles> and F</editor>). May
2477block.
2478
2479=cut
2480
2481sub static_maps() {
2482 my @dirs = "";
2483 my @maps;
2484
2485 while (@dirs) {
2486 my $dir = shift @dirs;
2487
2488 next if $dir eq "/styles" || $dir eq "/editor";
2489
2490 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2491 or return;
2492
2493 for (@$files) {
2494 s/\.map$// or next;
2495 utf8::decode $_;
2496 push @maps, "$dir/$_";
2497 }
2498
2499 push @dirs, map "$dir/$_", @$dirs;
2500 }
2501
2502 \@maps
2503}
2059 2504
2060=back 2505=back
2061 2506
2062=head3 cf::object 2507=head3 cf::object
2063 2508
2067 2512
2068=over 4 2513=over 4
2069 2514
2070=item $ob->inv_recursive 2515=item $ob->inv_recursive
2071 2516
2072Returns the inventory of the object _and_ their inventories, recursively. 2517Returns the inventory of the object I<and> their inventories, recursively,
2518but I<not> the object itself.
2073 2519
2074=cut 2520=cut
2075 2521
2076sub inv_recursive_; 2522sub inv_recursive_;
2077sub inv_recursive_ { 2523sub inv_recursive_ {
2080 2526
2081sub inv_recursive { 2527sub inv_recursive {
2082 inv_recursive_ inv $_[0] 2528 inv_recursive_ inv $_[0]
2083} 2529}
2084 2530
2531=item $ref = $ob->ref
2532
2533Creates and returns a persistent reference to an object that can be stored as a string.
2534
2535=item $ob = cf::object::deref ($refstring)
2536
2537returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2538even if the object actually exists. May block.
2539
2540=cut
2541
2542sub deref {
2543 my ($ref) = @_;
2544
2545 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2546 my ($uuid, $name) = ($1, $2);
2547 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2548 or return;
2549 $pl->ob->uuid eq $uuid
2550 or return;
2551
2552 $pl->ob
2553 } else {
2554 warn "$ref: cannot resolve object reference\n";
2555 undef
2556 }
2557}
2558
2085package cf; 2559package cf;
2086 2560
2087=back 2561=back
2088 2562
2089=head3 cf::object::player 2563=head3 cf::object::player
2095Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2569Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096can be C<undef>. Does the right thing when the player is currently in a 2570can be C<undef>. Does the right thing when the player is currently in a
2097dialogue with the given NPC character. 2571dialogue with the given NPC character.
2098 2572
2099=cut 2573=cut
2574
2575our $SAY_CHANNEL = {
2576 id => "say",
2577 title => "Map",
2578 reply => "say ",
2579 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2580};
2581
2582our $CHAT_CHANNEL = {
2583 id => "chat",
2584 title => "Chat",
2585 reply => "chat ",
2586 tooltip => "Player chat and shouts, global to the server.",
2587};
2100 2588
2101# rough implementation of a future "reply" method that works 2589# rough implementation of a future "reply" method that works
2102# with dialog boxes. 2590# with dialog boxes.
2103#TODO: the first argument must go, split into a $npc->reply_to ( method 2591#TODO: the first argument must go, split into a $npc->reply_to ( method
2104sub cf::object::player::reply($$$;$) { 2592sub cf::object::player::reply($$$;$) {
2111 2599
2112 } else { 2600 } else {
2113 my $pl = $self->contr; 2601 my $pl = $self->contr;
2114 2602
2115 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2603 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116 my $diag = $pl->{npc_dialog}; 2604 my $dialog = $pl->{npc_dialog};
2117 $diag->{pl}->ext_reply ( 2605 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118 $diag->{id},
2119 msgtype => "reply",
2120 msg => $diag->{pl}->expand_cfpod ($msg),
2121 add_topics => []
2122 );
2123 2606
2124 } else { 2607 } else {
2125 $msg = $npc->name . " says: $msg" if $npc; 2608 $msg = $npc->name . " says: $msg" if $npc;
2126 $self->message ($msg, $flags); 2609 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127 } 2610 }
2128 } 2611 }
2612}
2613
2614=item $object->send_msg ($channel, $msg, $color, [extra...])
2615
2616=cut
2617
2618sub cf::object::send_msg {
2619 my $pl = shift->contr
2620 or return;
2621 $pl->send_msg (@_);
2129} 2622}
2130 2623
2131=item $player_object->may ("access") 2624=item $player_object->may ("access")
2132 2625
2133Returns wether the given player is authorized to access resource "access" 2626Returns wether the given player is authorized to access resource "access"
2146 2639
2147=item $player_object->enter_link 2640=item $player_object->enter_link
2148 2641
2149Freezes the player and moves him/her to a special map (C<{link}>). 2642Freezes the player and moves him/her to a special map (C<{link}>).
2150 2643
2151The player should be reasonably safe there for short amounts of time. You 2644The player should be reasonably safe there for short amounts of time (e.g.
2152I<MUST> call C<leave_link> as soon as possible, though. 2645for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2646though, as the player cannot control the character while it is on the link
2647map.
2153 2648
2154Will never block. 2649Will never block.
2155 2650
2156=item $player_object->leave_link ($map, $x, $y) 2651=item $player_object->leave_link ($map, $x, $y)
2157 2652
2177sub cf::object::player::enter_link { 2672sub cf::object::player::enter_link {
2178 my ($self) = @_; 2673 my ($self) = @_;
2179 2674
2180 $self->deactivate_recursive; 2675 $self->deactivate_recursive;
2181 2676
2677 ++$self->{_link_recursion};
2678
2182 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2679 return if UNIVERSAL::isa $self->map, "ext::map_link";
2183 2680
2184 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185 if $self->map && $self->map->{path} ne "{link}"; 2682 if $self->map && $self->map->{path} ne "{link}";
2186 2683
2187 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2684 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2188} 2685}
2189 2686
2190sub cf::object::player::leave_link { 2687sub cf::object::player::leave_link {
2191 my ($self, $map, $x, $y) = @_; 2688 my ($self, $map, $x, $y) = @_;
2192 2689
2209 ($x, $y) = (-1, -1) 2706 ($x, $y) = (-1, -1)
2210 unless (defined $x) && (defined $y); 2707 unless (defined $x) && (defined $y);
2211 2708
2212 # use -1 or undef as default coordinates, not 0, 0 2709 # use -1 or undef as default coordinates, not 0, 0
2213 ($x, $y) = ($map->enter_x, $map->enter_y) 2710 ($x, $y) = ($map->enter_x, $map->enter_y)
2214 if $x <=0 && $y <= 0; 2711 if $x <= 0 && $y <= 0;
2215 2712
2216 $map->load; 2713 $map->load;
2217 $map->load_diag; 2714 $map->load_neighbours;
2218 2715
2219 return unless $self->contr->active; 2716 return unless $self->contr->active;
2220 $self->activate_recursive;
2221 2717
2222 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2718 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223 $self->enter_map ($map, $x, $y); 2719 if ($self->enter_map ($map, $x, $y)) {
2224} 2720 # entering was successful
2721 delete $self->{_link_recursion};
2722 # only activate afterwards, to support waiting in hooks
2723 $self->activate_recursive;
2724 }
2225 2725
2726}
2727
2226=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2728=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2227 2729
2228Moves the player to the given map-path and coordinates by first freezing 2730Moves the player to the given map-path and coordinates by first freezing
2229her, loading and preparing them map, calling the provided $check callback 2731her, loading and preparing them map, calling the provided $check callback
2230that has to return the map if sucecssful, and then unfreezes the player on 2732that has to return the map if sucecssful, and then unfreezes the player on
2231the new (success) or old (failed) map position. 2733the new (success) or old (failed) map position. In either case, $done will
2734be called at the end of this process.
2735
2736Note that $check will be called with a potentially non-loaded map, so if
2737it needs a loaded map it has to call C<< ->load >>.
2232 2738
2233=cut 2739=cut
2234 2740
2235our $GOTOGEN; 2741our $GOTOGEN;
2236 2742
2237sub cf::object::player::goto { 2743sub cf::object::player::goto {
2238 my ($self, $path, $x, $y, $check) = @_; 2744 my ($self, $path, $x, $y, $check, $done) = @_;
2745
2746 if ($self->{_link_recursion} >= $MAX_LINKS) {
2747 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2748 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2749 ($path, $x, $y) = @$EMERGENCY_POSITION;
2750 }
2239 2751
2240 # do generation counting so two concurrent goto's will be executed in-order 2752 # do generation counting so two concurrent goto's will be executed in-order
2241 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2753 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242 2754
2243 $self->enter_link; 2755 $self->enter_link;
2244 2756
2245 (async { 2757 (async {
2758 $Coro::current->{desc} = "player::goto $path $x $y";
2759
2760 # *tag paths override both path and x|y
2761 if ($path =~ /^\*(.*)$/) {
2762 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2763 my $ob = $obs[rand @obs];
2764
2765 # see if we actually can go there
2766 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2767 $ob = $obs[rand @obs];
2768 } else {
2769 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2770 }
2771 # else put us there anyways for now #d#
2772
2773 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2774 } else {
2775 ($path, $x, $y) = (undef, undef, undef);
2776 }
2777 }
2778
2246 my $map = eval { 2779 my $map = eval {
2247 my $map = cf::map::find $path; 2780 my $map = defined $path ? cf::map::find $path : undef;
2248 2781
2249 if ($map) { 2782 if ($map) {
2250 $map = $map->customise_for ($self); 2783 $map = $map->customise_for ($self);
2251 $map = $check->($map) if $check && $map; 2784 $map = $check->($map, $x, $y, $self) if $check && $map;
2252 } else { 2785 } else {
2253 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2786 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254 } 2787 }
2255 2788
2256 $map 2789 $map
2257 }; 2790 };
2258 2791
2263 2796
2264 if ($gen == $self->{_goto_generation}) { 2797 if ($gen == $self->{_goto_generation}) {
2265 delete $self->{_goto_generation}; 2798 delete $self->{_goto_generation};
2266 $self->leave_link ($map, $x, $y); 2799 $self->leave_link ($map, $x, $y);
2267 } 2800 }
2801
2802 $done->($self) if $done;
2268 })->prio (1); 2803 })->prio (1);
2269} 2804}
2270 2805
2271=item $player_object->enter_exit ($exit_object) 2806=item $player_object->enter_exit ($exit_object)
2272 2807
2292} 2827}
2293 2828
2294sub prepare_random_map { 2829sub prepare_random_map {
2295 my ($exit) = @_; 2830 my ($exit) = @_;
2296 2831
2297 my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299 # all this does is basically replace the /! path by 2832 # all this does is basically replace the /! path by
2300 # a new random map path (?random/...) with a seed 2833 # a new random map path (?random/...) with a seed
2301 # that depends on the exit object 2834 # that depends on the exit object
2302 2835
2303 my $rmp = parse_random_map_params $exit->msg; 2836 my $rmp = parse_random_map_params $exit->msg;
2305 if ($exit->map) { 2838 if ($exit->map) {
2306 $rmp->{region} = $exit->region->name; 2839 $rmp->{region} = $exit->region->name;
2307 $rmp->{origin_map} = $exit->map->path; 2840 $rmp->{origin_map} = $exit->map->path;
2308 $rmp->{origin_x} = $exit->x; 2841 $rmp->{origin_x} = $exit->x;
2309 $rmp->{origin_y} = $exit->y; 2842 $rmp->{origin_y} = $exit->y;
2843
2844 $exit->map->touch;
2310 } 2845 }
2311 2846
2312 $rmp->{random_seed} ||= $exit->random_seed; 2847 $rmp->{random_seed} ||= $exit->random_seed;
2313 2848
2314 my $data = cf::to_json $rmp; 2849 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315 my $md5 = Digest::MD5::md5_hex $data; 2850 my $md5 = Digest::MD5::md5_hex $data;
2316 my $meta = "$RANDOMDIR/$md5.meta"; 2851 my $meta = "$RANDOMDIR/$md5.meta";
2317 2852
2318 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2853 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319 aio_write $fh, 0, (length $data), $data, 0; 2854 aio_write $fh, 0, (length $data), $data, 0;
2320 undef $fh; 2855 undef $fh;
2321 aio_rename "$meta~", $meta; 2856 aio_rename "$meta~", $meta;
2322 2857
2858 my $slaying = "?random/$md5";
2859
2860 if ($exit->valid) {
2323 $exit->slaying ("?random/$md5"); 2861 $exit->slaying ("?random/$md5");
2324 $exit->msg (undef); 2862 $exit->msg (undef);
2863 }
2325 } 2864 }
2326} 2865}
2327 2866
2328sub cf::object::player::enter_exit { 2867sub cf::object::player::enter_exit {
2329 my ($self, $exit) = @_; 2868 my ($self, $exit) = @_;
2330 2869
2331 return unless $self->type == cf::PLAYER; 2870 return unless $self->type == cf::PLAYER;
2332 2871
2333 if ($exit->slaying eq "/!") {
2334 #TODO: this should de-fi-ni-te-ly not be a sync-job
2335 # the problem is that $exit might not survive long enough
2336 # so it needs to be done right now, right here
2337 cf::sync_job { prepare_random_map $exit };
2338 }
2339
2340 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341 my $hp = $exit->stats->hp;
2342 my $sp = $exit->stats->sp;
2343
2344 $self->enter_link; 2872 $self->enter_link;
2345 2873
2346 (async { 2874 (async {
2347 $self->deactivate_recursive; # just to be sure 2875 $Coro::current->{desc} = "enter_exit";
2876
2348 unless (eval { 2877 unless (eval {
2878 $self->deactivate_recursive; # just to be sure
2879
2880 # random map handling
2881 {
2882 my $guard = cf::lock_acquire "exit_prepare:$exit";
2883
2884 prepare_random_map $exit
2885 if $exit->slaying eq "/!";
2886 }
2887
2888 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2889 my $x = $exit->stats->hp;
2890 my $y = $exit->stats->sp;
2891
2349 $self->goto ($slaying, $hp, $sp); 2892 $self->goto ($map, $x, $y);
2350 2893
2894 # if exit is damned, update players death & WoR home-position
2895 $self->contr->savebed ($map, $x, $y)
2896 if $exit->flag (cf::FLAG_DAMNED);
2897
2351 1; 2898 1
2352 }) { 2899 }) {
2353 $self->message ("Something went wrong deep within the crossfire server. " 2900 $self->message ("Something went wrong deep within the deliantra server. "
2354 . "I'll try to bring you back to the map you were before. " 2901 . "I'll try to bring you back to the map you were before. "
2355 . "Please report this to the dungeon master!", 2902 . "Please report this to the dungeon master!",
2356 cf::NDI_UNIQUE | cf::NDI_RED); 2903 cf::NDI_UNIQUE | cf::NDI_RED);
2357 2904
2358 warn "ERROR in enter_exit: $@"; 2905 error "ERROR in enter_exit: $@";
2359 $self->leave_link; 2906 $self->leave_link;
2360 } 2907 }
2361 })->prio (1); 2908 })->prio (1);
2362} 2909}
2363 2910
2377 2924
2378 utf8::encode $text; 2925 utf8::encode $text;
2379 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2926 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380} 2927}
2381 2928
2929=item $client->send_big_packet ($pkt)
2930
2931Like C<send_packet>, but tries to compress large packets, and fragments
2932them as required.
2933
2934=cut
2935
2936our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2937
2938sub cf::client::send_big_packet {
2939 my ($self, $pkt) = @_;
2940
2941 # try lzf for large packets
2942 $pkt = "lzf " . Compress::LZF::compress $pkt
2943 if 1024 <= length $pkt and $self->{can_lzf};
2944
2945 # split very large packets
2946 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2947 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2948 $pkt = "frag";
2949 }
2950
2951 $self->send_packet ($pkt);
2952}
2953
2382=item $client->send_msg ($color, $type, $msg, [extra...]) 2954=item $client->send_msg ($channel, $msg, $color, [extra...])
2383 2955
2384Send a drawinfo or msg packet to the client, formatting the msg for the 2956Send a drawinfo or msg packet to the client, formatting the msg for the
2385client if neccessary. C<$type> should be a string identifying the type of 2957client if neccessary. C<$type> should be a string identifying the type of
2386the message, with C<log> being the default. If C<$color> is negative, suppress 2958the message, with C<log> being the default. If C<$color> is negative, suppress
2387the message unless the client supports the msg packet. 2959the message unless the client supports the msg packet.
2388 2960
2389=cut 2961=cut
2390 2962
2963# non-persistent channels (usually the info channel)
2964our %CHANNEL = (
2965 "c/motd" => {
2966 id => "infobox",
2967 title => "MOTD",
2968 reply => undef,
2969 tooltip => "The message of the day",
2970 },
2971 "c/identify" => {
2972 id => "infobox",
2973 title => "Identify",
2974 reply => undef,
2975 tooltip => "Items recently identified",
2976 },
2977 "c/examine" => {
2978 id => "infobox",
2979 title => "Examine",
2980 reply => undef,
2981 tooltip => "Signs and other items you examined",
2982 },
2983 "c/shopinfo" => {
2984 id => "infobox",
2985 title => "Shop Info",
2986 reply => undef,
2987 tooltip => "What your bargaining skill tells you about the shop",
2988 },
2989 "c/book" => {
2990 id => "infobox",
2991 title => "Book",
2992 reply => undef,
2993 tooltip => "The contents of a note or book",
2994 },
2995 "c/lookat" => {
2996 id => "infobox",
2997 title => "Look",
2998 reply => undef,
2999 tooltip => "What you saw there",
3000 },
3001 "c/who" => {
3002 id => "infobox",
3003 title => "Players",
3004 reply => undef,
3005 tooltip => "Shows players who are currently online",
3006 },
3007 "c/body" => {
3008 id => "infobox",
3009 title => "Body Parts",
3010 reply => undef,
3011 tooltip => "Shows which body parts you posess and are available",
3012 },
3013 "c/statistics" => {
3014 id => "infobox",
3015 title => "Statistics",
3016 reply => undef,
3017 tooltip => "Shows your primary statistics",
3018 },
3019 "c/skills" => {
3020 id => "infobox",
3021 title => "Skills",
3022 reply => undef,
3023 tooltip => "Shows your experience per skill and item power",
3024 },
3025 "c/shopitems" => {
3026 id => "infobox",
3027 title => "Shop Items",
3028 reply => undef,
3029 tooltip => "Shows the items currently for sale in this shop",
3030 },
3031 "c/resistances" => {
3032 id => "infobox",
3033 title => "Resistances",
3034 reply => undef,
3035 tooltip => "Shows your resistances",
3036 },
3037 "c/pets" => {
3038 id => "infobox",
3039 title => "Pets",
3040 reply => undef,
3041 tooltip => "Shows information abotu your pets/a specific pet",
3042 },
3043 "c/perceiveself" => {
3044 id => "infobox",
3045 title => "Perceive Self",
3046 reply => undef,
3047 tooltip => "You gained detailed knowledge about yourself",
3048 },
3049 "c/uptime" => {
3050 id => "infobox",
3051 title => "Uptime",
3052 reply => undef,
3053 tooltip => "How long the server has been running since last restart",
3054 },
3055 "c/mapinfo" => {
3056 id => "infobox",
3057 title => "Map Info",
3058 reply => undef,
3059 tooltip => "Information related to the maps",
3060 },
3061 "c/party" => {
3062 id => "party",
3063 title => "Party",
3064 reply => "gsay ",
3065 tooltip => "Messages and chat related to your party",
3066 },
3067 "c/death" => {
3068 id => "death",
3069 title => "Death",
3070 reply => undef,
3071 tooltip => "Reason for and more info about your most recent death",
3072 },
3073 "c/say" => $SAY_CHANNEL,
3074 "c/chat" => $CHAT_CHANNEL,
3075);
3076
2391sub cf::client::send_msg { 3077sub cf::client::send_msg {
2392 my ($self, $color, $type, $msg, @extra) = @_; 3078 my ($self, $channel, $msg, $color, @extra) = @_;
2393 3079
2394 $msg = $self->pl->expand_cfpod ($msg); 3080 $msg = $self->pl->expand_cfpod ($msg)
3081 unless $color & cf::NDI_VERBATIM;
2395 3082
2396 if ($self->can_msg) { 3083 $color &= cf::NDI_CLIENT_MASK; # just in case...
2397 $self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398 } else {
2399 # replace some tags by gcfclient-compatible ones
2400 for ($msg) {
2401 1 while
2402 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407 }
2408 3084
2409 if ($color >= 0) { 3085 # check predefined channels, for the benefit of C
2410 if (0 && $msg =~ /\[/) { 3086 if ($CHANNEL{$channel}) {
2411 $self->send_packet ("drawextinfo $color 4 0 $msg") 3087 $channel = $CHANNEL{$channel};
2412 } else { 3088
2413 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 3089 $self->ext_msg (channel_info => $channel);
2414 $self->send_packet ("drawinfo $color $msg") 3090 $channel = $channel->{id};
3091
3092 } elsif (ref $channel) {
3093 # send meta info to client, if not yet sent
3094 unless (exists $self->{channel}{$channel->{id}}) {
3095 $self->{channel}{$channel->{id}} = $channel;
3096 $self->ext_msg (channel_info => $channel);
2415 } 3097 }
2416 }
2417 }
2418}
2419 3098
3099 $channel = $channel->{id};
3100 }
3101
3102 return unless @extra || length $msg;
3103
3104 # default colour, mask it out
3105 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3106 if $color & cf::NDI_DEF;
3107
3108 my $pkt = "msg "
3109 . $self->{json_coder}->encode (
3110 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3111 );
3112
3113 $self->send_big_packet ($pkt);
3114}
3115
2420=item $client->ext_event ($type, %msg) 3116=item $client->ext_msg ($type, @msg)
2421 3117
2422Sends an ext event to the client. 3118Sends an ext event to the client.
2423 3119
2424=cut 3120=cut
2425 3121
2426sub cf::client::ext_event($$%) { 3122sub cf::client::ext_msg($$@) {
2427 my ($self, $type, %msg) = @_; 3123 my ($self, $type, @msg) = @_;
2428 3124
3125 if ($self->extcmd == 2) {
3126 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3127 } elsif ($self->extcmd == 1) { # TODO: remove
2429 $msg{msgtype} = "event_$type"; 3128 push @msg, msgtype => "event_$type";
2430 $self->send_packet ("ext " . cf::to_json \%msg); 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3130 }
3131}
3132
3133=item $client->ext_reply ($msgid, @msg)
3134
3135Sends an ext reply to the client.
3136
3137=cut
3138
3139sub cf::client::ext_reply($$@) {
3140 my ($self, $id, @msg) = @_;
3141
3142 if ($self->extcmd == 2) {
3143 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3144 } elsif ($self->extcmd == 1) {
3145 #TODO: version 1, remove
3146 unshift @msg, msgtype => "reply", msgid => $id;
3147 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3148 }
2431} 3149}
2432 3150
2433=item $success = $client->query ($flags, "text", \&cb) 3151=item $success = $client->query ($flags, "text", \&cb)
2434 3152
2435Queues a query to the client, calling the given callback with 3153Queues a query to the client, calling the given callback with
2458 3176
2459 1 3177 1
2460} 3178}
2461 3179
2462cf::client->attach ( 3180cf::client->attach (
3181 on_connect => sub {
3182 my ($ns) = @_;
3183
3184 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3185 },
2463 on_reply => sub { 3186 on_reply => sub {
2464 my ($ns, $msg) = @_; 3187 my ($ns, $msg) = @_;
2465 3188
2466 # this weird shuffling is so that direct followup queries 3189 # this weird shuffling is so that direct followup queries
2467 # get handled first 3190 # get handled first
2482 } 3205 }
2483 }, 3206 },
2484 on_exticmd => sub { 3207 on_exticmd => sub {
2485 my ($ns, $buf) = @_; 3208 my ($ns, $buf) = @_;
2486 3209
2487 my $msg = eval { from_json $buf }; 3210 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488 3211
2489 if (ref $msg) { 3212 if (ref $msg) {
3213 my ($type, $reply, @payload) =
3214 "ARRAY" eq ref $msg
3215 ? @$msg
3216 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3217
3218 my @reply;
3219
2490 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3220 if (my $cb = $EXTICMD{$type}) {
2491 if (my %reply = $cb->($ns, $msg)) { 3221 @reply = $cb->($ns, @payload);
2492 $reply{msgid} = $msg->{msgid};
2493 $ns->send ("ext " . cf::to_json \%reply);
2494 }
2495 } 3222 }
3223
3224 $ns->ext_reply ($reply, @reply)
3225 if $reply;
3226
2496 } else { 3227 } else {
2497 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3228 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498 } 3229 }
2499 3230
2500 cf::override; 3231 cf::override;
2501 }, 3232 },
2502); 3233);
2522 3253
2523 $coro 3254 $coro
2524} 3255}
2525 3256
2526cf::client->attach ( 3257cf::client->attach (
2527 on_destroy => sub { 3258 on_client_destroy => sub {
2528 my ($ns) = @_; 3259 my ($ns) = @_;
2529 3260
2530 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3261 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531 }, 3262 },
2532); 3263);
2547our $safe = new Safe "safe"; 3278our $safe = new Safe "safe";
2548our $safe_hole = new Safe::Hole; 3279our $safe_hole = new Safe::Hole;
2549 3280
2550$SIG{FPE} = 'IGNORE'; 3281$SIG{FPE} = 'IGNORE';
2551 3282
2552$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3283$safe->permit_only (Opcode::opset qw(
3284 :base_core :base_mem :base_orig :base_math :base_loop
3285 grepstart grepwhile mapstart mapwhile
3286 sort time
3287));
2553 3288
2554# here we export the classes and methods available to script code 3289# here we export the classes and methods available to script code
2555 3290
2556=pod 3291=pod
2557 3292
2558The following functions and methods are available within a safe environment: 3293The following functions and methods are available within a safe environment:
2559 3294
2560 cf::object contr pay_amount pay_player map 3295 cf::object
3296 contr pay_amount pay_player map x y force_find force_add destroy
3297 insert remove name archname title slaying race decrease split
3298 value
3299
2561 cf::object::player player 3300 cf::object::player
2562 cf::player peaceful 3301 player
2563 cf::map trigger 3302
3303 cf::player
3304 peaceful
3305
3306 cf::map
3307 trigger
2564 3308
2565=cut 3309=cut
2566 3310
2567for ( 3311for (
2568 ["cf::object" => qw(contr pay_amount pay_player map)], 3312 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3313 insert remove inv nrof name archname title slaying race
3314 decrease split destroy change_exp value msg lore send_msg)],
2569 ["cf::object::player" => qw(player)], 3315 ["cf::object::player" => qw(player)],
2570 ["cf::player" => qw(peaceful)], 3316 ["cf::player" => qw(peaceful send_msg)],
2571 ["cf::map" => qw(trigger)], 3317 ["cf::map" => qw(trigger)],
2572) { 3318) {
2573 no strict 'refs';
2574 my ($pkg, @funs) = @$_; 3319 my ($pkg, @funs) = @$_;
2575 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3320 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2576 for @funs; 3321 for @funs;
2577} 3322}
2578 3323
2593 3338
2594 my $qcode = $code; 3339 my $qcode = $code;
2595 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3340 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2596 $qcode =~ s/\n/\\n/g; 3341 $qcode =~ s/\n/\\n/g;
2597 3342
3343 %vars = (_dummy => 0) unless %vars;
3344
3345 my @res;
2598 local $_; 3346 local $_;
2599 local @safe::cf::_safe_eval_args = values %vars;
2600 3347
2601 my $eval = 3348 my $eval =
2602 "do {\n" 3349 "do {\n"
2603 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3350 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604 . "#line 0 \"{$qcode}\"\n" 3351 . "#line 0 \"{$qcode}\"\n"
2605 . $code 3352 . $code
2606 . "\n}" 3353 . "\n}"
2607 ; 3354 ;
2608 3355
3356 if ($CFG{safe_eval}) {
2609 sub_generation_inc; 3357 sub_generation_inc;
3358 local @safe::cf::_safe_eval_args = values %vars;
2610 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3359 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611 sub_generation_inc; 3360 sub_generation_inc;
3361 } else {
3362 local @cf::_safe_eval_args = values %vars;
3363 @res = wantarray ? eval eval : scalar eval $eval;
3364 }
2612 3365
2613 if ($@) { 3366 if ($@) {
2614 warn "$@"; 3367 warn "$@",
2615 warn "while executing safe code '$code'\n"; 3368 "while executing safe code '$code'\n",
2616 warn "with arguments " . (join " ", %vars) . "\n"; 3369 "with arguments " . (join " ", %vars) . "\n";
2617 } 3370 }
2618 3371
2619 wantarray ? @res : $res[0] 3372 wantarray ? @res : $res[0]
2620} 3373}
2621 3374
2635=cut 3388=cut
2636 3389
2637sub register_script_function { 3390sub register_script_function {
2638 my ($fun, $cb) = @_; 3391 my ($fun, $cb) = @_;
2639 3392
2640 no strict 'refs'; 3393 $fun = "safe::$fun" if $CFG{safe_eval};
2641 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3394 *$fun = $safe_hole->wrap ($cb);
2642} 3395}
2643 3396
2644=back 3397=back
2645 3398
2646=cut 3399=cut
2649# the server's init and main functions 3402# the server's init and main functions
2650 3403
2651sub load_facedata($) { 3404sub load_facedata($) {
2652 my ($path) = @_; 3405 my ($path) = @_;
2653 3406
3407 # HACK to clear player env face cache, we need some signal framework
3408 # for this (global event?)
3409 %ext::player_env::MUSIC_FACE_CACHE = ();
3410
3411 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3412
2654 warn "loading facedata from $path\n"; 3413 trace "loading facedata from $path\n";
2655 3414
2656 my $facedata;
2657 0 < aio_load $path, $facedata 3415 0 < aio_load $path, my $facedata
2658 or die "$path: $!"; 3416 or die "$path: $!";
2659 3417
2660 $facedata = Coro::Storable::thaw $facedata; 3418 $facedata = Coro::Storable::thaw $facedata;
2661 3419
2662 $facedata->{version} == 2 3420 $facedata->{version} == 2
2663 or cf::cleanup "$path: version mismatch, cannot proceed."; 3421 or cf::cleanup "$path: version mismatch, cannot proceed.";
2664 3422
3423 # patch in the exptable
3424 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3425 $facedata->{resource}{"res/exp_table"} = {
3426 type => FT_RSRC,
3427 data => $exp_table,
3428 hash => (Digest::MD5::md5 $exp_table),
3429 };
3430 cf::cede_to_tick;
3431
2665 { 3432 {
2666 my $faces = $facedata->{faceinfo}; 3433 my $faces = $facedata->{faceinfo};
2667 3434
2668 while (my ($face, $info) = each %$faces) { 3435 while (my ($face, $info) = each %$faces) {
2669 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3436 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3437
2670 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3438 cf::face::set_visibility $idx, $info->{visibility};
3439 cf::face::set_magicmap $idx, $info->{magicmap};
2671 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3440 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3441 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673 Coro::cede; 3442
3443 cf::cede_to_tick;
2674 } 3444 }
2675 3445
2676 while (my ($face, $info) = each %$faces) { 3446 while (my ($face, $info) = each %$faces) {
2677 next unless $info->{smooth}; 3447 next unless $info->{smooth};
3448
2678 my $idx = cf::face::find $face 3449 my $idx = cf::face::find $face
2679 or next; 3450 or next;
3451
2680 if (my $smooth = cf::face::find $info->{smooth}) { 3452 if (my $smooth = cf::face::find $info->{smooth}) {
3453 cf::face::set_smooth $idx, $smooth;
2681 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3454 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682 } else { 3455 } else {
2683 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3456 error "smooth face '$info->{smooth}' not found for face '$face'";
2684 } 3457 }
2685 Coro::cede; 3458
3459 cf::cede_to_tick;
2686 } 3460 }
2687 } 3461 }
2688 3462
2689 { 3463 {
2690 my $anims = $facedata->{animinfo}; 3464 my $anims = $facedata->{animinfo};
2691 3465
2692 while (my ($anim, $info) = each %$anims) { 3466 while (my ($anim, $info) = each %$anims) {
2693 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3467 cf::anim::set $anim, $info->{frames}, $info->{facings};
2694 Coro::cede; 3468 cf::cede_to_tick;
2695 } 3469 }
2696 3470
2697 cf::anim::invalidate_all; # d'oh 3471 cf::anim::invalidate_all; # d'oh
2698 } 3472 }
2699 3473
3474 {
3475 my $res = $facedata->{resource};
3476
3477 while (my ($name, $info) = each %$res) {
3478 if (defined $info->{type}) {
3479 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3480
3481 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3482 cf::face::set_type $idx, $info->{type};
3483 } else {
3484 $RESOURCE{$name} = $info; # unused
3485 }
3486
3487 cf::cede_to_tick;
3488 }
3489 }
3490
3491 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3492
2700 1 3493 1
2701} 3494}
2702 3495
3496register_exticmd fx_want => sub {
3497 my ($ns, $want) = @_;
3498
3499 while (my ($k, $v) = each %$want) {
3500 $ns->fx_want ($k, $v);
3501 }
3502};
3503
3504sub load_resource_file($) {
3505 my $guard = lock_acquire "load_resource_file";
3506
3507 my $status = load_resource_file_ $_[0];
3508 get_slot 0.1, 100;
3509 cf::arch::commit_load;
3510
3511 $status
3512}
3513
2703sub reload_regions { 3514sub reload_regions {
3515 # HACK to clear player env face cache, we need some signal framework
3516 # for this (global event?)
3517 %ext::player_env::MUSIC_FACE_CACHE = ();
3518
2704 load_resource_file "$MAPDIR/regions" 3519 load_resource_file "$MAPDIR/regions"
2705 or die "unable to load regions file\n"; 3520 or die "unable to load regions file\n";
3521
3522 for (cf::region::list) {
3523 $_->{match} = qr/$_->{match}/
3524 if exists $_->{match};
3525 }
2706} 3526}
2707 3527
2708sub reload_facedata { 3528sub reload_facedata {
2709 load_facedata "$DATADIR/facedata" 3529 load_facedata "$DATADIR/facedata"
2710 or die "unable to load facedata\n"; 3530 or die "unable to load facedata\n";
2718sub reload_treasures { 3538sub reload_treasures {
2719 load_resource_file "$DATADIR/treasures" 3539 load_resource_file "$DATADIR/treasures"
2720 or die "unable to load treasurelists\n"; 3540 or die "unable to load treasurelists\n";
2721} 3541}
2722 3542
3543sub reload_sound {
3544 trace "loading sound config from $DATADIR/sound\n";
3545
3546 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3547 or die "$DATADIR/sound $!";
3548
3549 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3550
3551 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3552 my $sound = $soundconf->{compat}[$_]
3553 or next;
3554
3555 my $face = cf::face::find "sound/$sound->[1]";
3556 cf::sound::set $sound->[0] => $face;
3557 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3558 }
3559
3560 while (my ($k, $v) = each %{$soundconf->{event}}) {
3561 my $face = cf::face::find "sound/$v";
3562 cf::sound::set $k => $face;
3563 }
3564}
3565
2723sub reload_resources { 3566sub reload_resources {
2724 warn "reloading resource files...\n"; 3567 trace "reloading resource files...\n";
2725 3568
3569 reload_exp_table;
3570 reload_materials;
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
2726 reload_regions; 3574 reload_regions;
2727 reload_facedata;
2728 #reload_archetypes;#d#
2729 reload_archetypes;
2730 reload_treasures; 3575 reload_treasures;
2731 3576
2732 warn "finished reloading resource files\n"; 3577 trace "finished reloading resource files\n";
2733} 3578}
2734 3579
2735sub init { 3580sub reload_config {
2736 reload_resources; 3581 trace "reloading config file...\n";
2737}
2738 3582
2739sub cfg_load { 3583 0 < aio_load "$CONFDIR/config", my $config
2740 open my $fh, "<:utf8", "$CONFDIR/config" 3584 or die "$CONFDIR/config: $!";
2741 or return;
2742 3585
2743 local $/; 3586 utf8::decode $config;
2744 *CFG = YAML::Syck::Load <$fh>; 3587 *CFG = yaml_load $config;
2745 3588
2746 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2747 3590
2748 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2750 3593
2751 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
2755 }; 3598 };
2756 warn $@ if $@; 3599 warn $@ if $@;
2757 } 3600 }
2758} 3601}
2759 3602
3603sub pidfile() {
3604 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3605 or die "$PIDFILE: $!";
3606 flock $fh, &Fcntl::LOCK_EX
3607 or die "$PIDFILE: flock: $!";
3608 $fh
3609}
3610
3611# make sure only one server instance is running at any one time
3612sub atomic {
3613 my $fh = pidfile;
3614
3615 my $pid = <$fh>;
3616 kill 9, $pid if $pid > 0;
3617
3618 seek $fh, 0, 0;
3619 print $fh $$;
3620}
3621
3622sub main_loop {
3623 trace "EV::loop starting\n";
3624 if (1) {
3625 EV::loop;
3626 }
3627 trace "EV::loop returned\n";
3628 goto &main_loop unless $REALLY_UNLOOP;
3629}
3630
2760sub main { 3631sub main {
3632 cf::init_globals; # initialise logging
3633
3634 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3635 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3636 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3637 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3638
3639 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3640
2761 # we must not ever block the main coroutine 3641 # we must not ever block the main coroutine
2762 local $Coro::idle = sub { 3642 local $Coro::idle = sub {
2763 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3643 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764 (async { 3644 (async {
2765 Event::one_event; 3645 $Coro::current->{desc} = "IDLE BUG HANDLER";
3646 EV::loop EV::LOOP_ONESHOT;
2766 })->prio (Coro::PRIO_MAX); 3647 })->prio (Coro::PRIO_MAX);
2767 }; 3648 };
2768 3649
2769 cfg_load; 3650 evthread_start IO::AIO::poll_fileno;
3651
3652 cf::sync_job {
3653 cf::incloader::init ();
3654
3655 cf::init_anim;
3656 cf::init_attackmess;
3657 cf::init_dynamic;
3658
3659 cf::load_settings;
3660
3661 reload_resources;
3662 reload_config;
2770 db_init; 3663 db_init;
3664
3665 cf::init_uuid;
3666 cf::init_signals;
3667 cf::init_skills;
3668
3669 cf::init_beforeplay;
3670
3671 atomic;
3672
2771 load_extensions; 3673 load_extensions;
2772 3674
2773 $TICK_WATCHER->start; 3675 utime time, time, $RUNTIMEFILE;
2774 Event::loop; 3676
3677 # no (long-running) fork's whatsoever before this point(!)
3678 use POSIX ();
3679 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3680
3681 cf::_post_init 0;
3682 };
3683
3684 cf::object::thawer::errors_are_fatal 0;
3685 info "parse errors in files are no longer fatal from this point on.\n";
3686
3687 my $free_main; $free_main = EV::idle sub {
3688 undef $free_main;
3689 undef &main; # free gobs of memory :)
3690 };
3691
3692 goto &main_loop;
2775} 3693}
2776 3694
2777############################################################################# 3695#############################################################################
2778# initialisation and cleanup 3696# initialisation and cleanup
2779 3697
2780# install some emergency cleanup handlers 3698# install some emergency cleanup handlers
2781BEGIN { 3699BEGIN {
3700 our %SIGWATCHER = ();
2782 for my $signal (qw(INT HUP TERM)) { 3701 for my $signal (qw(INT HUP TERM)) {
2783 Event->signal ( 3702 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2784 reentrant => 0,
2785 data => WF_AUTOCANCEL,
2786 signal => $signal,
2787 prio => 0,
2788 cb => sub {
2789 cf::cleanup "SIG$signal"; 3703 cf::cleanup "SIG$signal";
2790 },
2791 ); 3704 };
2792 } 3705 }
2793} 3706}
2794 3707
2795sub write_runtime { 3708sub write_runtime_sync {
2796 my $runtime = "$LOCALDIR/runtime"; 3709 my $t0 = AE::time;
2797 3710
2798 # first touch the runtime file to show we are still running: 3711 # first touch the runtime file to show we are still running:
2799 # the fsync below can take a very very long time. 3712 # the fsync below can take a very very long time.
2800 3713
2801 IO::AIO::aio_utime $runtime, undef, undef; 3714 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802 3715
2803 my $guard = cf::lock_acquire "write_runtime"; 3716 my $guard = cf::lock_acquire "write_runtime";
2804 3717
2805 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3718 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806 or return; 3719 or return;
2807 3720
2808 my $value = $cf::RUNTIME + 90 + 10; 3721 my $value = $cf::RUNTIME + 90 + 10;
2809 # 10 is the runtime save interval, for a monotonic clock 3722 # 10 is the runtime save interval, for a monotonic clock
2810 # 60 allows for the watchdog to kill the server. 3723 # 60 allows for the watchdog to kill the server.
2820 aio_utime $fh, undef, undef; 3733 aio_utime $fh, undef, undef;
2821 3734
2822 close $fh 3735 close $fh
2823 or return; 3736 or return;
2824 3737
2825 aio_rename "$runtime~", $runtime 3738 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826 and return; 3739 and return;
2827 3740
2828 warn "runtime file written.\n"; 3741 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829 3742
2830 1 3743 1
3744}
3745
3746our $uuid_lock;
3747our $uuid_skip;
3748
3749sub write_uuid_sync($) {
3750 $uuid_skip ||= $_[0];
3751
3752 return if $uuid_lock;
3753 local $uuid_lock = 1;
3754
3755 my $uuid = "$LOCALDIR/uuid";
3756
3757 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3758 or return;
3759
3760 my $value = uuid_seq uuid_cur;
3761
3762 unless ($value) {
3763 info "cowardly refusing to write zero uuid value!\n";
3764 return;
3765 }
3766
3767 my $value = uuid_str $value + $uuid_skip;
3768 $uuid_skip = 0;
3769
3770 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3771 and return;
3772
3773 # always fsync - this file is important
3774 aio_fsync $fh
3775 and return;
3776
3777 close $fh
3778 or return;
3779
3780 aio_rename "$uuid~", $uuid
3781 and return;
3782
3783 trace "uuid file written ($value).\n";
3784
3785 1
3786
3787}
3788
3789sub write_uuid($$) {
3790 my ($skip, $sync) = @_;
3791
3792 $sync ? write_uuid_sync $skip
3793 : async { write_uuid_sync $skip };
2831} 3794}
2832 3795
2833sub emergency_save() { 3796sub emergency_save() {
2834 my $freeze_guard = cf::freeze_mainloop; 3797 my $freeze_guard = cf::freeze_mainloop;
2835 3798
2836 warn "enter emergency perl save\n"; 3799 info "emergency_perl_save: enter\n";
3800
3801 # this is a trade-off: we want to be very quick here, so
3802 # save all maps without fsync, and later call a global sync
3803 # (which in turn might be very very slow)
3804 local $USE_FSYNC = 0;
2837 3805
2838 cf::sync_job { 3806 cf::sync_job {
3807 cf::write_runtime_sync; # external watchdog should not bark
3808
2839 # use a peculiar iteration method to avoid tripping on perl 3809 # use a peculiar iteration method to avoid tripping on perl
2840 # refcount bugs in for. also avoids problems with players 3810 # refcount bugs in for. also avoids problems with players
2841 # and maps saved/destroyed asynchronously. 3811 # and maps saved/destroyed asynchronously.
2842 warn "begin emergency player save\n"; 3812 info "emergency_perl_save: begin player save\n";
2843 for my $login (keys %cf::PLAYER) { 3813 for my $login (keys %cf::PLAYER) {
2844 my $pl = $cf::PLAYER{$login} or next; 3814 my $pl = $cf::PLAYER{$login} or next;
2845 $pl->valid or next; 3815 $pl->valid or next;
3816 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846 $pl->save; 3817 $pl->save;
2847 } 3818 }
2848 warn "end emergency player save\n"; 3819 info "emergency_perl_save: end player save\n";
2849 3820
2850 warn "begin emergency map save\n"; 3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin map save\n";
2851 for my $path (keys %cf::MAP) { 3824 for my $path (keys %cf::MAP) {
2852 my $map = $cf::MAP{$path} or next; 3825 my $map = $cf::MAP{$path} or next;
2853 $map->valid or next; 3826 $map->valid or next;
2854 $map->save; 3827 $map->save;
2855 } 3828 }
2856 warn "end emergency map save\n"; 3829 info "emergency_perl_save: end map save\n";
2857 3830
2858 warn "begin emergency database checkpoint\n"; 3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 info "emergency_perl_save: begin database checkpoint\n";
2859 BDB::db_env_txn_checkpoint $DB_ENV; 3834 BDB::db_env_txn_checkpoint $DB_ENV;
2860 warn "end emergency database checkpoint\n"; 3835 info "emergency_perl_save: end database checkpoint\n";
3836
3837 info "emergency_perl_save: begin write uuid\n";
3838 write_uuid_sync 1;
3839 info "emergency_perl_save: end write uuid\n";
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: syncing database to disk";
3844 BDB::db_env_txn_checkpoint $DB_ENV;
3845
3846 info "emergency_perl_save: starting sync\n";
3847 IO::AIO::aio_sync sub {
3848 info "emergency_perl_save: finished sync\n";
3849 };
3850
3851 cf::write_runtime_sync; # external watchdog should not bark
3852
3853 trace "emergency_perl_save: flushing outstanding aio requests";
3854 while (IO::AIO::nreqs || BDB::nreqs) {
3855 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3856 }
3857
3858 cf::write_runtime_sync; # external watchdog should not bark
2861 }; 3859 };
2862 3860
2863 warn "leave emergency perl save\n"; 3861 info "emergency_perl_save: leave\n";
2864} 3862}
2865 3863
2866sub post_cleanup { 3864sub post_cleanup {
2867 my ($make_core) = @_; 3865 my ($make_core) = @_;
2868 3866
3867 IO::AIO::flush;
3868
2869 warn Carp::longmess "post_cleanup backtrace" 3869 error Carp::longmess "post_cleanup backtrace"
2870 if $make_core; 3870 if $make_core;
3871
3872 my $fh = pidfile;
3873 unlink $PIDFILE if <$fh> == $$;
3874}
3875
3876# a safer delete_package, copied from Symbol
3877sub clear_package($) {
3878 my $pkg = shift;
3879
3880 # expand to full symbol table name if needed
3881 unless ($pkg =~ /^main::.*::$/) {
3882 $pkg = "main$pkg" if $pkg =~ /^::/;
3883 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3884 $pkg .= '::' unless $pkg =~ /::$/;
3885 }
3886
3887 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3888 my $stem_symtab = *{$stem}{HASH};
3889
3890 defined $stem_symtab and exists $stem_symtab->{$leaf}
3891 or return;
3892
3893 # clear all symbols
3894 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3895 for my $name (keys %$leaf_symtab) {
3896 _gv_clear *{"$pkg$name"};
3897# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3898 }
2871} 3899}
2872 3900
2873sub do_reload_perl() { 3901sub do_reload_perl() {
2874 # can/must only be called in main 3902 # can/must only be called in main
2875 if ($Coro::current != $Coro::main) { 3903 unless (in_main) {
2876 warn "can only reload from main coroutine"; 3904 error "can only reload from main coroutine";
2877 return; 3905 return;
2878 } 3906 }
2879 3907
2880 warn "reloading..."; 3908 return if $RELOAD++;
2881 3909
2882 warn "entering sync_job"; 3910 my $t1 = AE::time;
2883 3911
3912 while ($RELOAD) {
3913 cf::get_slot 0.1, -1, "reload_perl";
3914 info "perl_reload: reloading...";
3915
3916 trace "perl_reload: entering sync_job";
3917
2884 cf::sync_job { 3918 cf::sync_job {
2885 cf::write_runtime; # external watchdog should not bark
2886 cf::emergency_save; 3919 #cf::emergency_save;
2887 cf::write_runtime; # external watchdog should not bark
2888 3920
2889 warn "syncing database to disk";
2890 BDB::db_env_txn_checkpoint $DB_ENV;
2891
2892 # if anything goes wrong in here, we should simply crash as we already saved
2893
2894 warn "cancelling all WF_AUTOCANCEL watchers";
2895 for (Event::all_watchers) {
2896 $_->cancel if $_->data & WF_AUTOCANCEL;
2897 }
2898
2899 warn "flushing outstanding aio requests";
2900 for (;;) {
2901 BDB::flush;
2902 IO::AIO::flush;
2903 Coro::cede;
2904 last unless IO::AIO::nreqs || BDB::nreqs;
2905 warn "iterate...";
2906 }
2907
2908 ++$RELOAD;
2909
2910 warn "cancelling all extension coros"; 3921 trace "perl_reload: cancelling all extension coros";
2911 $_->cancel for values %EXT_CORO; 3922 $_->cancel for values %EXT_CORO;
2912 %EXT_CORO = (); 3923 %EXT_CORO = ();
2913 3924
2914 warn "removing commands"; 3925 trace "perl_reload: removing commands";
2915 %COMMAND = (); 3926 %COMMAND = ();
2916 3927
2917 warn "removing ext/exti commands"; 3928 trace "perl_reload: removing ext/exti commands";
2918 %EXTCMD = (); 3929 %EXTCMD = ();
2919 %EXTICMD = (); 3930 %EXTICMD = ();
2920 3931
2921 warn "unloading/nuking all extensions"; 3932 trace "perl_reload: unloading/nuking all extensions";
2922 for my $pkg (@EXTS) { 3933 for my $pkg (@EXTS) {
2923 warn "... unloading $pkg"; 3934 trace "... unloading $pkg";
2924 3935
2925 if (my $cb = $pkg->can ("unload")) { 3936 if (my $cb = $pkg->can ("unload")) {
2926 eval { 3937 eval {
2927 $cb->($pkg); 3938 $cb->($pkg);
2928 1 3939 1
2929 } or warn "$pkg unloaded, but with errors: $@"; 3940 } or error "$pkg unloaded, but with errors: $@";
3941 }
3942
3943 trace "... clearing $pkg";
3944 clear_package $pkg;
2930 } 3945 }
2931 3946
2932 warn "... nuking $pkg";
2933 Symbol::delete_package $pkg;
2934 }
2935
2936 warn "unloading all perl modules loaded from $LIBDIR"; 3947 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2937 while (my ($k, $v) = each %INC) { 3948 while (my ($k, $v) = each %INC) {
2938 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3949 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939 3950
2940 warn "... unloading $k"; 3951 trace "... unloading $k";
2941 delete $INC{$k}; 3952 delete $INC{$k};
2942 3953
2943 $k =~ s/\.pm$//; 3954 $k =~ s/\.pm$//;
2944 $k =~ s/\//::/g; 3955 $k =~ s/\//::/g;
2945 3956
2946 if (my $cb = $k->can ("unload_module")) { 3957 if (my $cb = $k->can ("unload_module")) {
2947 $cb->(); 3958 $cb->();
3959 }
3960
3961 clear_package $k;
2948 } 3962 }
2949 3963
2950 Symbol::delete_package $k;
2951 }
2952
2953 warn "getting rid of safe::, as good as possible"; 3964 trace "perl_reload: getting rid of safe::, as good as possible";
2954 Symbol::delete_package "safe::$_" 3965 clear_package "safe::$_"
2955 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3966 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956 3967
2957 warn "unloading cf.pm \"a bit\""; 3968 trace "perl_reload: unloading cf.pm \"a bit\"";
2958 delete $INC{"cf.pm"}; 3969 delete $INC{"cf.pm"};
2959 delete $INC{"cf/pod.pm"}; 3970 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960 3971
2961 # don't, removes xs symbols, too, 3972 # don't, removes xs symbols, too,
2962 # and global variables created in xs 3973 # and global variables created in xs
2963 #Symbol::delete_package __PACKAGE__; 3974 #clear_package __PACKAGE__;
2964 3975
2965 warn "unload completed, starting to reload now"; 3976 info "perl_reload: unload completed, starting to reload now";
2966 3977
2967 warn "reloading cf.pm"; 3978 trace "perl_reload: reloading cf.pm";
2968 require cf; 3979 require cf;
2969 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3980 cf::_connect_to_perl_1;
2970 3981
2971 warn "loading config and database again"; 3982 trace "perl_reload: loading config and database again";
2972 cf::cfg_load; 3983 cf::reload_config;
2973 3984
2974 warn "loading extensions"; 3985 trace "perl_reload: loading extensions";
2975 cf::load_extensions; 3986 cf::load_extensions;
2976 3987
3988 if ($REATTACH_ON_RELOAD) {
2977 warn "reattaching attachments to objects/players"; 3989 trace "perl_reload: reattaching attachments to objects/players";
2978 _global_reattach; # objects, sockets 3990 _global_reattach; # objects, sockets
2979 warn "reattaching attachments to maps"; 3991 trace "perl_reload: reattaching attachments to maps";
2980 reattach $_ for values %MAP; 3992 reattach $_ for values %MAP;
2981 warn "reattaching attachments to players"; 3993 trace "perl_reload: reattaching attachments to players";
2982 reattach $_ for values %PLAYER; 3994 reattach $_ for values %PLAYER;
3995 }
2983 3996
2984 warn "leaving sync_job"; 3997 cf::_post_init 1;
2985 3998
3999 trace "perl_reload: leaving sync_job";
4000
2986 1 4001 1
2987 } or do { 4002 } or do {
2988 warn $@; 4003 error $@;
2989 warn "error while reloading, exiting."; 4004 cf::cleanup "perl_reload: error, exiting.";
2990 exit 1; 4005 };
4006
4007 --$RELOAD;
2991 }; 4008 }
2992 4009
2993 warn "reloaded"; 4010 $t1 = AE::time - $t1;
4011 info "perl_reload: completed in ${t1}s\n";
2994}; 4012};
2995 4013
2996our $RELOAD_WATCHER; # used only during reload 4014our $RELOAD_WATCHER; # used only during reload
2997 4015
2998sub reload_perl() { 4016sub reload_perl() {
2999 # doing reload synchronously and two reloads happen back-to-back, 4017 # doing reload synchronously and two reloads happen back-to-back,
3000 # coro crashes during coro_state_free->destroy here. 4018 # coro crashes during coro_state_free->destroy here.
3001 4019
3002 $RELOAD_WATCHER ||= Event->timer ( 4020 $RELOAD_WATCHER ||= cf::async {
3003 reentrant => 0, 4021 Coro::AIO::aio_wait cache_extensions;
3004 after => 0, 4022
3005 data => WF_AUTOCANCEL, 4023 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006 cb => sub {
3007 do_reload_perl; 4024 do_reload_perl;
3008 undef $RELOAD_WATCHER; 4025 undef $RELOAD_WATCHER;
3009 }, 4026 };
3010 ); 4027 };
3011} 4028}
3012 4029
3013register_command "reload" => sub { 4030register_command "reload" => sub {
3014 my ($who, $arg) = @_; 4031 my ($who, $arg) = @_;
3015 4032
3016 if ($who->flag (FLAG_WIZ)) { 4033 if ($who->flag (FLAG_WIZ)) {
3017 $who->message ("reloading server."); 4034 $who->message ("reloading server.");
4035 async {
4036 $Coro::current->{desc} = "perl_reload";
3018 async { reload_perl }; 4037 reload_perl;
4038 };
3019 } 4039 }
3020}; 4040};
3021 4041
3022unshift @INC, $LIBDIR; 4042#############################################################################
3023 4043
3024my $bug_warning = 0; 4044my $bug_warning = 0;
3025 4045
3026our @WAIT_FOR_TICK; 4046our @WAIT_FOR_TICK;
3027our @WAIT_FOR_TICK_BEGIN; 4047our @WAIT_FOR_TICK_BEGIN;
3028 4048
3029sub wait_for_tick { 4049sub wait_for_tick() {
3030 return unless $TICK_WATCHER->is_active;
3031 return if $Coro::current == $Coro::main; 4050 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3032 4051
3033 my $signal = new Coro::Signal; 4052 my $signal = new Coro::Signal;
3034 push @WAIT_FOR_TICK, $signal; 4053 push @WAIT_FOR_TICK, $signal;
3035 $signal->wait; 4054 $signal->wait;
3036} 4055}
3037 4056
3038sub wait_for_tick_begin { 4057sub wait_for_tick_begin() {
3039 return unless $TICK_WATCHER->is_active;
3040 return if $Coro::current == $Coro::main; 4058 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041 4059
3042 my $signal = new Coro::Signal; 4060 my $signal = new Coro::Signal;
3043 push @WAIT_FOR_TICK_BEGIN, $signal; 4061 push @WAIT_FOR_TICK_BEGIN, $signal;
3044 $signal->wait; 4062 $signal->wait;
3045} 4063}
3046 4064
3047 my $min = 1e6;#d# 4065sub tick {
3048 my $avg = 10;
3049$TICK_WATCHER = Event->timer (
3050 reentrant => 0,
3051 parked => 1,
3052 prio => 0,
3053 at => $NEXT_TICK || $TICK,
3054 data => WF_AUTOCANCEL,
3055 cb => sub {
3056 if ($Coro::current != $Coro::main) { 4066 if ($Coro::current != $Coro::main) {
3057 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4067 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058 unless ++$bug_warning > 10; 4068 unless ++$bug_warning > 10;
3059 return; 4069 return;
3060 } 4070 }
3061 4071
3062 $NOW = $tick_start = Event::time;
3063
3064 cf::server_tick; # one server iteration 4072 cf::server_tick; # one server iteration
3065 4073
3066 0 && sync_job {#d# 4074 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3067 for(1..10) {
3068 my $t = Event::time;
3069 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3070 or die;
3071 4075
3072 $map->width (50); 4076 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3073 $map->height (50); 4077 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3074 $map->alloc; 4078 Coro::async_pool {
3075 $map->_load_objects ("/tmp/x.map", 1); 4079 $Coro::current->{desc} = "runtime saver";
3076 my $t = Event::time - $t; 4080 write_runtime_sync
3077 4081 or error "ERROR: unable to write runtime file: $!";
3078 #next unless $t < 0.0013;#d#
3079 if ($t < $min) {
3080 $min = $t;
3081 }
3082 $avg = $avg * 0.99 + $t * 0.01;
3083 }
3084 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085 exit 0;
3086 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087 }; 4082 };
4083 }
3088 4084
3089 $RUNTIME += $TICK;
3090 $NEXT_TICK += $TICK;
3091
3092 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093 $NEXT_RUNTIME_WRITE = $NOW + 10;
3094 Coro::async_pool {
3095 write_runtime
3096 or warn "ERROR: unable to write runtime file: $!";
3097 };
3098 }
3099
3100# my $AFTER = Event::time;
3101# warn $AFTER - $NOW;#d#
3102
3103 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4085 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104 $sig->send; 4086 $sig->send;
3105 } 4087 }
3106 while (my $sig = shift @WAIT_FOR_TICK) { 4088 while (my $sig = shift @WAIT_FOR_TICK) {
3107 $sig->send; 4089 $sig->send;
3108 } 4090 }
3109 4091
3110 $NOW = Event::time; 4092 $LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112 # if we are delayed by four ticks or more, skip them all
3113 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115 $TICK_WATCHER->at ($NEXT_TICK);
3116 $TICK_WATCHER->start;
3117
3118 $LOAD = ($NOW - $tick_start) / $TICK;
3119 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4093 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120 4094
3121 _post_tick; 4095 if (0) {
3122 4096 if ($NEXT_TICK) {
3123 4097 my $jitter = $TICK_START - $NEXT_TICK;
4098 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4099 debug "jitter $JITTER\n";#d#
4100 }
3124 }, 4101 }
3125); 4102}
3126 4103
3127{ 4104{
3128 BDB::max_poll_time $TICK * 0.1; 4105 # configure BDB
3129 $BDB_POLL_WATCHER = Event->io ( 4106
3130 reentrant => 0,
3131 fd => BDB::poll_fileno,
3132 poll => 'r',
3133 prio => 0,
3134 data => WF_AUTOCANCEL,
3135 cb => \&BDB::poll_cb,
3136 );
3137 BDB::min_parallel 8; 4107 BDB::min_parallel 16;
3138 4108 BDB::max_poll_reqs $TICK * 0.1;
3139 BDB::set_sync_prepare { 4109 $AnyEvent::BDB::WATCHER->priority (1);
3140 my $status;
3141 my $current = $Coro::current;
3142 (
3143 sub {
3144 $status = $!;
3145 $current->ready; undef $current;
3146 },
3147 sub {
3148 Coro::schedule while defined $current;
3149 $! = $status;
3150 },
3151 )
3152 };
3153 4110
3154 unless ($DB_ENV) { 4111 unless ($DB_ENV) {
3155 $DB_ENV = BDB::db_env_create; 4112 $DB_ENV = BDB::db_env_create;
4113 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4114 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4115 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4116 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4117 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156 4118
3157 cf::sync_job { 4119 cf::sync_job {
3158 eval { 4120 eval {
3159 BDB::db_env_open 4121 BDB::db_env_open
3160 $DB_ENV, 4122 $DB_ENV,
3162 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4124 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4125 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164 0666; 4126 0666;
3165 4127
3166 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4128 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169 $DB_ENV->set_lk_detect;
3170 }; 4129 };
3171 4130
3172 cf::cleanup "db_env_open(db): $@" if $@; 4131 cf::cleanup "db_env_open(db): $@" if $@;
3173 }; 4132 };
3174 } 4133 }
4134
4135 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4136 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4137 };
4138 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4139 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4140 };
4141 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4142 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4143 };
3175} 4144}
3176 4145
3177{ 4146{
4147 # configure IO::AIO
4148
3178 IO::AIO::min_parallel 8; 4149 IO::AIO::min_parallel 8;
3179
3180 undef $Coro::AIO::WATCHER;
3181 IO::AIO::max_poll_time $TICK * 0.1; 4150 IO::AIO::max_poll_time $TICK * 0.1;
3182 $AIO_POLL_WATCHER = Event->io ( 4151 undef $AnyEvent::AIO::WATCHER;
3183 reentrant => 0,
3184 data => WF_AUTOCANCEL,
3185 fd => IO::AIO::poll_fileno,
3186 poll => 'r',
3187 prio => 6,
3188 cb => \&IO::AIO::poll_cb,
3189 );
3190} 4152}
3191 4153
3192my $_log_backtrace; 4154my $_log_backtrace;
3193 4155
3194sub _log_backtrace { 4156sub _log_backtrace {
3197 $msg =~ s/\n//; 4159 $msg =~ s/\n//;
3198 4160
3199 # limit the # of concurrent backtraces 4161 # limit the # of concurrent backtraces
3200 if ($_log_backtrace < 2) { 4162 if ($_log_backtrace < 2) {
3201 ++$_log_backtrace; 4163 ++$_log_backtrace;
4164 my $perl_bt = Carp::longmess $msg;
3202 async { 4165 async {
4166 $Coro::current->{desc} = "abt $msg";
4167
3203 my @bt = fork_call { 4168 my @bt = fork_call {
3204 @addr = map { sprintf "%x", $_ } @addr; 4169 @addr = map { sprintf "%x", $_ } @addr;
3205 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4170 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4171 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207 or die "addr2line: $!"; 4172 or die "addr2line: $!";
3215 } 4180 }
3216 4181
3217 @funcs 4182 @funcs
3218 }; 4183 };
3219 4184
3220 LOG llevInfo, "[ABT] $msg\n"; 4185 LOG llevInfo, "[ABT] $perl_bt\n";
4186 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221 LOG llevInfo, "[ABT] $_\n" for @bt; 4187 LOG llevInfo, "[ABT] $_\n" for @bt;
3222 --$_log_backtrace; 4188 --$_log_backtrace;
3223 }; 4189 };
3224 } else { 4190 } else {
3225 LOG llevInfo, "[ABT] $msg\n"; 4191 LOG llevInfo, "[ABT] $msg\n";
3226 LOG llevInfo, "[ABT] [suppressed]\n"; 4192 LOG llevInfo, "[ABT] [suppressed]\n";
3227 } 4193 }
3228} 4194}
3229 4195
3230# load additional modules 4196# load additional modules
3231use cf::pod; 4197require "cf/$_.pm" for @EXTRA_MODULES;
4198cf::_connect_to_perl_2;
3232 4199
3233END { cf::emergency_save } 4200END { cf::emergency_save }
3234 4201
32351 42021
3236 4203

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