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Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
34use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
35 64
36# configure various modules to our taste 65# configure various modules to our taste
37# 66#
38$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
39Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41 75
42$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
43 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 78
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
50 82
51our %COMMAND = (); 83our %COMMAND = ();
52our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
53 85
54our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
55our %EXTCMD = (); 87our %EXTCMD = ();
56our %EXTICMD = (); 88our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
59 91
60our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
62 96
63our $CONFDIR = confdir; 97our $CONFDIR = confdir;
64our $DATADIR = datadir; 98our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$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;
74 118
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79our $NEXT_TICK; 121our $NEXT_TICK;
80our $NOW;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
82 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
83our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript);
85 130
86our %CFG; 131our %CFG;
87 132
88our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 134our $RUNTIME;
135our $NOW;
90 136
91our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
94 140
95# 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 ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 143
98our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
100our $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 $REALLY_UNLOOP; # never set to true, please :)
101 153
102binmode STDOUT; 154binmode STDOUT;
103binmode STDERR; 155binmode STDERR;
104 156
105# read virtual server time, if available 157# read virtual server time, if available
106unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
107 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
108 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
109 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
110} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
111 165
112mkdir $_ 166mkdir $_
113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114 168
115our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
116 170
117sub 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::"} };
118 187
119############################################################################# 188#############################################################################
120 189
121=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
122 191
158 227
159The raw value load value from the last tick. 228The raw value load value from the last tick.
160 229
161=item %cf::CFG 230=item %cf::CFG
162 231
163Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164from wherever your confdir points to. 233from wherever your confdir points to.
165 234
166=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
167 236
168These 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
169returns 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 process
170per 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.
171 240
172=item @cf::INVOKE_RESULTS 241=item @cf::INVOKE_RESULTS
173 242
174This array contains the results of the last C<invoke ()> call. When 243This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call. 245that call.
177 246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
252
178=back 253=back
179 254
180=cut 255=cut
181 256
182BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
183 *CORE::GLOBAL::warn = sub { 258sub warn (@) { LOG llevWarn , join "", @_ }
259sub info (@) { LOG llevInfo , join "", @_ }
260sub debug(@) { LOG llevDebug, join "", @_ }
261sub trace(@) { LOG llevTrace, join "", @_ }
262
263$Coro::State::WARNHOOK = sub {
184 my $msg = join "", @_; 264 my $msg = join "", @_;
185 265
186 $msg .= "\n" 266 $msg .= "\n"
187 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
188 268
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 269 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190 270
191 utf8::encode $msg;
192 LOG llevError, $msg; 271 LOG llevWarn, $msg;
193 }; 272};
194} 273
274$Coro::State::DIEHOOK = sub {
275 return unless $^S eq 0; # "eq", not "=="
276
277 error Carp::longmess $_[0];
278
279 if (in_main) {#d#
280 error "DIEHOOK called in main context, Coro bug?\n";#d#
281 return;#d#
282 }#d#
283
284 # kill coroutine otherwise
285 Coro::terminate
286};
195 287
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 298for my $pkg (qw(
207 cf::global cf::attachable 299 cf::global cf::attachable
208 cf::object cf::object::player 300 cf::object cf::object::player
209 cf::client cf::player 301 cf::client cf::player
210 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
211 cf::map cf::party cf::region 304 cf::party cf::region
212)) { 305)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 307}
216 308
217$Event::DIED = sub { 309$EV::DIED = sub {
218 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
219}; 311};
220 312
221############################################################################# 313#############################################################################
222 314
223=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 337 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246 $d 338 $d
247 } || "[unable to dump $_[0]: '$@']"; 339 } || "[unable to dump $_[0]: '$@']";
248} 340}
249 341
250=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
251 343
252Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
253 345
254=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
255 347
256Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
257 349
258=cut 350=cut
259 351
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 352our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261 353
262sub to_json ($) { $json_coder->encode ($_[0]) } 354sub encode_json($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) } 355sub decode_json($) { $json_coder->decode ($_[0]) }
356
357=item cf::post_init { BLOCK }
358
359Execute the given codeblock, I<after> all extensions have been (re-)loaded,
360but I<before> the server starts ticking again.
361
362The cdoeblock will have a single boolean argument to indicate whether this
363is a reload or not.
364
365=cut
366
367sub post_init(&) {
368 push @POST_INIT, shift;
369}
264 370
265=item cf::lock_wait $string 371=item cf::lock_wait $string
266 372
267Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
268 374
269=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
270 376
271Wait until the given lock is available and then acquires it and returns 377Wait until the given lock is available and then acquires it and returns
272a Coro::guard object. If the guard object gets destroyed (goes out of scope, 378a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
274returned. 380returned.
275 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
276Lock names should begin with a unique identifier (for example, cf::map::find 385Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
278 387
279=item $locked = cf::lock_active $string 388=item $locked = cf::lock_active $string
280 389
281Return true if the lock is currently active, i.e. somebody has locked it. 390Return true if the lock is currently active, i.e. somebody has locked it.
282 391
283=cut 392=cut
284 393
285our %LOCK; 394our $LOCKS = new Coro::SemaphoreSet;
286 395
287sub lock_wait($) { 396sub lock_wait($) {
288 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 398}
296 399
297sub lock_acquire($) { 400sub lock_acquire($) {
298 my ($key) = @_; 401 $LOCKS->guard ($_[0])
299
300 # wait, to be sure we are not locked
301 lock_wait $key;
302
303 $LOCK{$key} = [];
304
305 Coro::guard {
306 # wake up all waiters, to be on the safe side
307 $_->ready for @{ delete $LOCK{$key} };
308 }
309} 402}
310 403
311sub lock_active($) { 404sub lock_active($) {
312 my ($key) = @_; 405 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 406}
316 407
317sub freeze_mainloop { 408sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
319 410
320 my $guard = Coro::guard { 411 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 412}
322 }; 413
323 $TICK_WATCHER->stop; 414=item cf::periodic $interval, $cb
324 $guard 415
416Like EV::periodic, but randomly selects a starting point so that the actions
417get spread over time.
418
419=cut
420
421sub periodic($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
325} 427}
326 428
327=item cf::get_slot $time[, $priority[, $name]] 429=item cf::get_slot $time[, $priority[, $name]]
328 430
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 431Allocate $time seconds of blocking CPU time at priority C<$priority>:
337 439
338=cut 440=cut
339 441
340our @SLOT_QUEUE; 442our @SLOT_QUEUE;
341our $SLOT_QUEUE; 443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
342 445
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
345 my $signal = new Coro::Signal; 450 my $signal = new Coro::Signal;
451 my $busy;
346 452
347 while () { 453 while () {
348 next_job: 454 next_job:
455
349 my $avail = cf::till_tick; 456 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 457
351 for (0 .. $#SLOT_QUEUE) { 458 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 461 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 462 $job->[2]->send;
355 Coro::cede; 463 Coro::cede;
356 goto next_job; 464 goto next_job;
357 } 465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 467 }
359 } 468 }
360 469
361 if (@SLOT_QUEUE) { 470 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive 471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal; 472 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 473 $signal->wait;
365 } else { 474 } else {
475 $busy = 0;
366 Coro::schedule; 476 Coro::schedule;
367 } 477 }
368 } 478 }
369}; 479};
370 480
371sub get_slot($;$$) { 481sub get_slot($;$$) {
482 return if tick_inhibit || $Coro::current == $Coro::main;
483
372 my ($time, $pri, $name) = @_; 484 my ($time, $pri, $name) = @_;
373 485
374 $time = $TICK * .6 if $time > $TICK * .6; 486 $time = clamp $time, 0.01, $TICK * .6;
487
375 my $sig = new Coro::Signal; 488 my $sig = new Coro::Signal;
376 489
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 490 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 491 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 492 $SLOT_QUEUE->ready;
390 503
391BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
392 505
393=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
394 507
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 508The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 509is always able to handle events or runnable, as Deliantra is only
397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 511acceptable.
399 512
400If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
401the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
405=cut 518=cut
406 519
407sub sync_job(&) { 520sub sync_job(&) {
408 my ($job) = @_; 521 my ($job) = @_;
409 522
410 if ($Coro::current == $Coro::main) { 523 if (in_main) {
411 my $time = Event::time; 524 my $time = AE::time;
412 525
413 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
415 528
416 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 530
418 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
419 532
420 my $busy = 1; 533 my $busy = 1;
421 my @res; 534 my @res;
422 535
423 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 538 @res = eval { $job->() };
425 warn $@ if $@; 539 error $@ if $@;
426 undef $busy; 540 undef $busy;
427 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
428 542
429 while ($busy) { 543 while ($busy) {
430 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
431 } 548 }
549 }
432 550
433 $time = Event::time - $time; 551 my $time = AE::time - $time;
434 552
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load 553 $TICK_START += $time; # do not account sync jobs to server load
439 554
440 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
441 } else { 556 } else {
442 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
443 558
468=item fork_call { }, $args 583=item fork_call { }, $args
469 584
470Executes the given code block with the given arguments in a seperate 585Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 586process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 587Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 588never block itself or use any form of event handling.
474 589
475=cut 590=cut
476
477sub _store_scalar {
478 open my $fh, ">", \my $buf
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484}
485 591
486sub fork_call(&@) { 592sub fork_call(&@) {
487 my ($cb, @args) = @_; 593 my ($cb, @args) = @_;
488 594
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 595 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 596 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 597 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 598
494 if (my $pid = fork) { 599 my @res = Coro::Util::fork_eval {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals; 600 reset_signals;
508 local $SIG{__WARN__}; 601 &$cb
509 local $SIG{__DIE__}; 602 }, @args;
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515 603
516 eval { 604 wantarray ? @res : $res[-1]
517 close $fh1; 605}
518 606
519 my @res = eval { $cb->(@args) }; 607sub objinfo {
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 608 (
609 "counter value" => cf::object::object_count,
610 "objects created" => cf::object::create_count,
611 "objects destroyed" => cf::object::destroy_count,
612 "freelist size" => cf::object::free_count,
613 "allocated objects" => cf::object::objects_size,
614 "active objects" => cf::object::actives_size,
615 )
616}
617
618=item $coin = coin_from_name $name
619
620=cut
621
622our %coin_alias = (
623 "silver" => "silvercoin",
624 "silvercoin" => "silvercoin",
625 "silvercoins" => "silvercoin",
626 "gold" => "goldcoin",
627 "goldcoin" => "goldcoin",
628 "goldcoins" => "goldcoin",
629 "platinum" => "platinacoin",
630 "platinumcoin" => "platinacoin",
631 "platinumcoins" => "platinacoin",
632 "platina" => "platinacoin",
633 "platinacoin" => "platinacoin",
634 "platinacoins" => "platinacoin",
635 "royalty" => "royalty",
636 "royalties" => "royalty",
637);
638
639sub coin_from_name($) {
640 $coin_alias{$_[0]}
641 ? cf::arch::find $coin_alias{$_[0]}
642 : undef
528} 643}
529 644
530=item $value = cf::db_get $family => $key 645=item $value = cf::db_get $family => $key
531 646
532Returns a single value from the environment database. 647Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 649=item cf::db_put $family => $key => $value
535 650
536Stores the given C<$value> in the family. It can currently store binary 651Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 652data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538 653
654=item $db = cf::db_table "name"
655
656Create and/or open a new database table. The string must not be "db" and must be unique
657within each server.
658
539=cut 659=cut
660
661sub db_table($) {
662 cf::error "db_get called from main context"
663 if $Coro::current == $Coro::main;
664
665 my ($name) = @_;
666 my $db = BDB::db_create $DB_ENV;
667
668 eval {
669 $db->set_flags (BDB::CHKSUM);
670
671 utf8::encode $name;
672 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
673 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
674 cf::cleanup "db_open(db): $!" if $!;
675 };
676 cf::cleanup "db_open(db): $@" if $@;
677
678 $db
679}
540 680
541our $DB; 681our $DB;
542 682
543sub db_init { 683sub db_init {
544 unless ($DB) { 684 $DB ||= db_table "db";
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558} 685}
559 686
560sub db_get($$) { 687sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 688 my $key = "$_[0]/$_[1]";
562 689
563 cf::sync_job { 690 cf::error "db_get called from main context"
691 if $Coro::current == $Coro::main;
692
564 BDB::db_get $DB, undef, $key, my $data; 693 BDB::db_get $DB, undef, $key, my $data;
565 694
566 $! ? () 695 $! ? ()
567 : $data 696 : $data
568 }
569} 697}
570 698
571sub db_put($$$) { 699sub db_put($$$) {
572 BDB::dbreq_pri 4; 700 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
612 if (1) { 740 if (1) {
613 $md5 = 741 $md5 =
614 join "\x00", 742 join "\x00",
615 $processversion, 743 $processversion,
616 map { 744 map {
617 Coro::cede; 745 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 746 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 747 } 0.. $#$src;
620 748
621 749
622 my $dbmd5 = db_get cache => "$id/md5"; 750 my $dbmd5 = db_get cache => "$id/md5";
629 757
630 my $t1 = Time::HiRes::time; 758 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 759 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 760 my $t2 = Time::HiRes::time;
633 761
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 762 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 763
636 db_put cache => "$id/data", $data; 764 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 765 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 766 db_put cache => "$id/meta", $meta;
639 767
649 777
650=cut 778=cut
651 779
652sub datalog($@) { 780sub datalog($@) {
653 my ($type, %kv) = @_; 781 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 783}
656 784
657=back 785=back
658 786
659=cut 787=cut
660 788
661############################################################################# 789#############################################################################
662 790
663=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
664 792
665Many objects in crossfire are so-called attachable objects. That means you can 793Many objects in deliantra are so-called attachable objects. That means you can
666attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
668 796
669In the following description, CLASS can be any of C<global>, C<object> 797In the following description, CLASS can be any of C<global>, C<object>
670C<player>, C<client> or C<map> (i.e. the attachable objects in 798C<player>, C<client> or C<map> (i.e. the attachable objects in
671Crossfire TRT). 799Deliantra).
672 800
673=over 4 801=over 4
674 802
675=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
676 804
720=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
721 849
722Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
724 852
725Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
726that are attached at load/instantiate time, thus the need for a name. 854that are attached at load/instantiate time, thus the need for a name.
727 855
728These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
729 857
730=over 4 858=over 4
854 982
855 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 985
858 } elsif (ref $type) { 986 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
860 988
861 } else { 989 } else {
862 shift @arg; 990 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
864 } 992 }
865 } 993 }
866} 994}
867 995
868sub _object_attach { 996sub _object_attach {
878 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
879 } 1007 }
880 1008
881 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
882 } else { 1010 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1012 }
885 1013
886 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
887} 1015}
888 1016
947 1075
948 for (@$callbacks) { 1076 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
950 1078
951 if ($@) { 1079 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1081 override;
955 } 1082 }
956 1083
957 return 1 if $override; 1084 return 1 if $override;
958 } 1085 }
959 1086
960 0 1087 0
961} 1088}
962 1089
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1091
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1093
967Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
968 1095
974 1101
975=cut 1102=cut
976 1103
977############################################################################# 1104#############################################################################
978# object support 1105# object support
979#
980 1106
1107sub _object_equal($$);
1108sub _object_equal($$) {
1109 my ($a, $b) = @_;
1110
1111 return 0 unless (ref $a) eq (ref $b);
1112
1113 if ("HASH" eq ref $a) {
1114 my @ka = keys %$a;
1115 my @kb = keys %$b;
1116
1117 return 0 if @ka != @kb;
1118
1119 for (0 .. $#ka) {
1120 return 0 unless $ka[$_] eq $kb[$_];
1121 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1122 }
1123
1124 } elsif ("ARRAY" eq ref $a) {
1125
1126 return 0 if @$a != @$b;
1127
1128 for (0 .. $#$a) {
1129 return 0 unless _object_equal $a->[$_], $b->[$_];
1130 }
1131
1132 } elsif ($a ne $b) {
1133 return 0;
1134 }
1135
1136 1
1137}
1138
1139our $SLOW_MERGES;#d#
981sub _can_merge { 1140sub _can_merge {
982 my ($ob1, $ob2) = @_; 1141 my ($ob1, $ob2) = @_;
983 1142
984 local $Storable::canonical = 1; 1143 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1144
988 $fob1 eq $fob2 1145 # we do the slow way here
1146 return _object_equal $ob1, $ob2
989} 1147}
990 1148
991sub reattach { 1149sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1151 my ($obj) = @_;
994 1152
1153 # no longer needed after getting rid of delete_package?
995 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1154 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996 1155
997 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
998 1157
999 @$registry = (); 1158 @$registry = ();
1000 1159
1005 for (@$attach) { 1164 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
1008 } 1167 }
1009 } else { 1168 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1170 }
1012 } 1171 }
1013} 1172}
1014 1173
1015cf::attachable->attach ( 1174cf::attachable->attach (
1016 prio => -1000000, 1175 prio => -1000000,
1017 on_instantiate => sub { 1176 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
1019 1178
1020 $data = from_json $data; 1179 $data = decode_json $data;
1021 1180
1022 for (@$data) { 1181 for (@$data) {
1023 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
1024 1183
1025 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1200sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
1043 1202
1044 sync_job { 1203 sync_job {
1045 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
1048 1209
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 aio_fsync $fh if $cf::USE_FSYNC; 1213 if ($cf::USE_FSYNC) {
1214 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;
1215 aio_fsync $fh;
1216 }
1053 close $fh; 1217 aio_close $fh;
1054 1218
1055 if (@$objs) { 1219 if (@$objs) {
1056 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1220 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
1060 aio_fsync $fh if $cf::USE_FSYNC; 1224 if ($cf::USE_FSYNC) {
1225 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;
1226 aio_fsync $fh;
1227 }
1061 close $fh; 1228 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1230 }
1064 } else { 1231 } else {
1065 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
1066 } 1233 }
1067 1234
1068 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1239 } else {
1070 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
1071 } 1241 }
1072 } else { 1242 } else {
1073 aio_unlink $filename; 1243 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
1075 } 1245 }
1076 } 1246 };
1077} 1247}
1078 1248
1079sub object_freezer_as_string { 1249sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
1081 1251
1093 or return; 1263 or return;
1094 1264
1095 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1267 or return;
1268
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
1099 } 1271 }
1100 1272
1273 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
1103 return ($data, $av); 1278 ($data, $av)
1104} 1279}
1105 1280
1106=head2 COMMAND CALLBACKS 1281=head2 COMMAND CALLBACKS
1107 1282
1108=over 4 1283=over 4
1162 my ($name, $cb) = @_; 1337 my ($name, $cb) = @_;
1163 1338
1164 $EXTICMD{$name} = $cb; 1339 $EXTICMD{$name} = $cb;
1165} 1340}
1166 1341
1342use File::Glob ();
1343
1167cf::player->attach ( 1344cf::player->attach (
1168 on_command => sub { 1345 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
1170 1347
1171 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
1172 or return; 1349 or return;
1173 1350
1181 my ($pl, $buf) = @_; 1358 my ($pl, $buf) = @_;
1182 1359
1183 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1360 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184 1361
1185 if (ref $msg) { 1362 if (ref $msg) {
1363 my ($type, $reply, @payload) =
1364 "ARRAY" eq ref $msg
1365 ? @$msg
1366 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1367
1368 my @reply;
1369
1186 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1370 if (my $cb = $EXTCMD{$type}) {
1187 if (my %reply = $cb->($pl, $msg)) { 1371 @reply = $cb->($pl, @payload);
1188 $pl->ext_reply ($msg->{msgid}, %reply);
1189 }
1190 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
1191 } else { 1377 } else {
1192 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193 } 1379 }
1194 1380
1195 cf::override; 1381 cf::override;
1196 }, 1382 },
1197); 1383);
1198 1384
1385# "readahead" all extensions
1386sub cache_extensions {
1387 my $grp = IO::AIO::aio_group;
1388
1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1390 for (grep /\.ext$/, @{$_[0]}) {
1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1392 }
1393 };
1394
1395 $grp
1396}
1397
1199sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1200 cf::sync_job { 1401 cf::sync_job {
1201 my %todo; 1402 my %todo;
1202 1403
1203 for my $path (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
1204 next unless -r $path; 1405 next unless -r $path;
1222 1423
1223 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1424 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1425 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225 1426
1226 $ext{source} = 1427 $ext{source} =
1227 "package $pkg; use strict; use utf8;\n" 1428 "package $pkg; use common::sense;\n"
1228 . "#line 1 \"$path\"\n{\n" 1429 . "#line 1 \"$path\"\n{\n"
1229 . $source 1430 . $source
1230 . "\n};\n1"; 1431 . "\n};\n1";
1231 1432
1232 $todo{$base} = \%ext; 1433 $todo{$base} = \%ext;
1233 } 1434 }
1234 1435
1436 my $pass = 0;
1235 my %done; 1437 my %done;
1236 while (%todo) { 1438 while (%todo) {
1237 my $progress; 1439 my $progress;
1238 1440
1441 ++$pass;
1442
1443 ext:
1239 while (my ($k, $v) = each %todo) { 1444 while (my ($k, $v) = each %todo) {
1240 for (split /,\s*/, $v->{meta}{depends}) { 1445 for (split /,\s*/, $v->{meta}{depends}) {
1241 goto skip 1446 next ext
1242 unless exists $done{$_}; 1447 unless exists $done{$_};
1243 } 1448 }
1244 1449
1245 warn "... loading '$k' into '$v->{pkg}'\n"; 1450 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246 1451
1247 unless (eval $v->{source}) { 1452 my $active = eval $v->{source};
1453
1454 if (length $@) {
1248 my $msg = $@ ? "$v->{path}: $@\n" 1455 error "$v->{path}: $@\n";
1249 : "$v->{base}: extension inactive.\n"; 1456 undef $@; # work around perl 5.10.0 utf-8 caching bug
1250 1457
1458 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251 if (exists $v->{meta}{mandatory}) { 1459 if exists $v->{meta}{mandatory};
1252 warn $msg; 1460
1253 warn "mandatory extension failed to load, exiting.\n"; 1461 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1254 exit 1; 1462 delete $todo{$k};
1255 } 1463 } else {
1256 1464 $done{$k} = delete $todo{$k};
1257 warn $msg; 1465 push @EXTS, $v->{pkg};
1466 $progress = 1;
1467
1468 info "$v->{base}: extension inactive.\n"
1469 unless $active;
1258 } 1470 }
1259
1260 $done{$k} = delete $todo{$k};
1261 push @EXTS, $v->{pkg};
1262 $progress = 1;
1263 } 1471 }
1264 1472
1265 skip: 1473 unless ($progress) {
1266 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1474 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267 unless $progress; 1475
1476 while (my ($k, $v) = each %todo) {
1477 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1478 if exists $v->{meta}{mandatory};
1479 }
1480 }
1268 } 1481 }
1269 }; 1482 };
1270} 1483}
1271 1484
1272############################################################################# 1485#############################################################################
1273 1486
1274=back 1487=back
1275 1488
1276=head2 CORE EXTENSIONS 1489=head2 CORE EXTENSIONS
1277 1490
1278Functions and methods that extend core crossfire objects. 1491Functions and methods that extend core deliantra objects.
1279 1492
1280=cut 1493=cut
1281 1494
1282package cf::player; 1495package cf::player;
1283 1496
1284use Coro::AIO; 1497use Coro::AIO;
1285 1498
1286=head3 cf::player 1499=head3 cf::player
1287 1500
1288=over 4 1501=over 4
1502
1503=item cf::player::num_playing
1504
1505Returns the official number of playing players, as per the Crossfire metaserver rules.
1506
1507=cut
1508
1509sub num_playing {
1510 scalar grep
1511 $_->ob->map
1512 && !$_->hidden
1513 && !$_->ob->flag (cf::FLAG_WIZ),
1514 cf::player::list
1515}
1289 1516
1290=item cf::player::find $login 1517=item cf::player::find $login
1291 1518
1292Returns the given player object, loading it if necessary (might block). 1519Returns the given player object, loading it if necessary (might block).
1293 1520
1312 1539
1313sub exists($) { 1540sub exists($) {
1314 my ($login) = @_; 1541 my ($login) = @_;
1315 1542
1316 $cf::PLAYER{$login} 1543 $cf::PLAYER{$login}
1317 or cf::sync_job { !aio_stat path $login } 1544 or !aio_stat path $login
1318} 1545}
1319 1546
1320sub find($) { 1547sub find($) {
1321 return $cf::PLAYER{$_[0]} || do { 1548 return $cf::PLAYER{$_[0]} || do {
1322 my $login = $_[0]; 1549 my $login = $_[0];
1329 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1556 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1557 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1558 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332 aio_unlink +(playerdir $login) . "/$login.pl"; 1559 aio_unlink +(playerdir $login) . "/$login.pl";
1333 1560
1334 my $pl = load_pl path $login 1561 my $f = new_from_file cf::object::thawer path $login
1335 or return; 1562 or return;
1563
1564 my $pl = cf::player::load_pl $f
1565 or return;
1566
1567 local $cf::PLAYER_LOADING{$login} = $pl;
1568 $f->resolve_delayed_derefs;
1336 $cf::PLAYER{$login} = $pl 1569 $cf::PLAYER{$login} = $pl
1337 } 1570 }
1338 } 1571 }
1339} 1572}
1573
1574cf::player->attach (
1575 on_load => sub {
1576 my ($pl, $path) = @_;
1577
1578 # restore slots saved in save, below
1579 my $slots = delete $pl->{_slots};
1580
1581 $pl->ob->current_weapon ($slots->[0]);
1582 $pl->combat_ob ($slots->[1]);
1583 $pl->ranged_ob ($slots->[2]);
1584 },
1585);
1340 1586
1341sub save($) { 1587sub save($) {
1342 my ($pl) = @_; 1588 my ($pl) = @_;
1343 1589
1344 return if $pl->{deny_save}; 1590 return if $pl->{deny_save};
1349 return if $pl->{deny_save}; 1595 return if $pl->{deny_save};
1350 1596
1351 aio_mkdir playerdir $pl, 0770; 1597 aio_mkdir playerdir $pl, 0770;
1352 $pl->{last_save} = $cf::RUNTIME; 1598 $pl->{last_save} = $cf::RUNTIME;
1353 1599
1600 cf::get_slot 0.01;
1601
1602 # save slots, to be restored later
1603 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1604
1354 $pl->save_pl ($path); 1605 $pl->save_pl ($path);
1355 Coro::cede; 1606 cf::cede_to_tick;
1356} 1607}
1357 1608
1358sub new($) { 1609sub new($) {
1359 my ($login) = @_; 1610 my ($login) = @_;
1360 1611
1366 $cf::PLAYER{$login} = $self; 1617 $cf::PLAYER{$login} = $self;
1367 1618
1368 $self 1619 $self
1369} 1620}
1370 1621
1622=item $player->send_msg ($channel, $msg, $color, [extra...])
1623
1624=cut
1625
1626sub send_msg {
1627 my $ns = shift->ns
1628 or return;
1629 $ns->send_msg (@_);
1630}
1631
1371=item $pl->quit_character 1632=item $pl->quit_character
1372 1633
1373Nukes the player without looking back. If logged in, the connection will 1634Nukes the player without looking back. If logged in, the connection will
1374be destroyed. May block for a long time. 1635be destroyed. May block for a long time.
1375 1636
1379 my ($pl) = @_; 1640 my ($pl) = @_;
1380 1641
1381 my $name = $pl->ob->name; 1642 my $name = $pl->ob->name;
1382 1643
1383 $pl->{deny_save} = 1; 1644 $pl->{deny_save} = 1;
1384 $pl->password ("*"); # this should lock out the player until we nuked the dir 1645 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1385 1646
1386 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1647 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387 $pl->deactivate; 1648 $pl->deactivate;
1649 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1388 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1650 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1389 $pl->ns->destroy if $pl->ns; 1651 $pl->ns->destroy if $pl->ns;
1390 1652
1391 my $path = playerdir $pl; 1653 my $path = playerdir $pl;
1392 my $temp = "$path~$cf::RUNTIME~deleting~"; 1654 my $temp = "$path~$cf::RUNTIME~deleting~";
1428 or return []; 1690 or return [];
1429 1691
1430 my @logins; 1692 my @logins;
1431 1693
1432 for my $login (@$dirs) { 1694 for my $login (@$dirs) {
1695 my $path = path $login;
1696
1697 # a .pst is a dead give-away for a valid player
1698 # if no pst file found, open and chekc for blocked users
1699 if (aio_stat "$path.pst") {
1433 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1700 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434 aio_read $fh, 0, 512, my $buf, 0 or next; 1701 aio_read $fh, 0, 512, my $buf, 0 or next;
1435 $buf !~ /^password -------------$/m or next; # official not-valid tag 1702 $buf !~ /^password -------------$/m or next; # official not-valid tag
1703 }
1436 1704
1437 utf8::decode $login; 1705 utf8::decode $login;
1438 push @logins, $login; 1706 push @logins, $login;
1439 } 1707 }
1440 1708
1441 \@logins 1709 \@logins
1442} 1710}
1443 1711
1444=item $player->maps 1712=item $player->maps
1713
1714=item cf::player::maps $login
1445 1715
1446Returns an arrayref of map paths that are private for this 1716Returns an arrayref of map paths that are private for this
1447player. May block. 1717player. May block.
1448 1718
1449=cut 1719=cut
1467 } 1737 }
1468 1738
1469 \@paths 1739 \@paths
1470} 1740}
1471 1741
1472=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1742=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473 1743
1474Expand crossfire pod fragments into protocol xml. 1744Expand deliantra pod fragments into protocol xml.
1475 1745
1476=cut
1477
1478sub expand_cfpod {
1479 ((my $self), (local $_)) = @_;
1480
1481 # escape & and <
1482 s/&/&amp;/g;
1483 s/(?<![BIUGH])</&lt;/g;
1484
1485 # this is buggy, it needs to properly take care of nested <'s
1486
1487 1 while
1488 # replace B<>, I<>, U<> etc.
1489 s/B<([^\>]*)>/<b>$1<\/b>/
1490 || s/I<([^\>]*)>/<i>$1<\/i>/
1491 || s/U<([^\>]*)>/<u>$1<\/u>/
1492 # replace G<male|female> tags
1493 || s{G<([^>|]*)\|([^>]*)>}{
1494 $self->gender ? $2 : $1
1495 }ge
1496 # replace H<hint text>
1497 || s{H<([^\>]*)>}
1498 {
1499 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501 "")
1502 [$self->{hintmode}]
1503 }ge;
1504
1505 # create single paragraphs (very hackish)
1506 s/(?<=\S)\n(?=\w)/ /g;
1507
1508 # compress some whitespace
1509 s/\s+\n/\n/g; # ws line-ends
1510 s/\n\n+/\n/g; # double lines
1511 s/^\n+//; # beginning lines
1512 s/\n+$//; # ending lines
1513
1514 $_
1515}
1516
1517sub hintmode {
1518 $_[0]{hintmode} = $_[1] if @_ > 1;
1519 $_[0]{hintmode}
1520}
1521
1522=item $player->ext_reply ($msgid, %msg) 1746=item $player->ext_reply ($msgid, @msg)
1523 1747
1524Sends an ext reply to the player. 1748Sends an ext reply to the player.
1525 1749
1526=cut 1750=cut
1527 1751
1528sub ext_reply($$%) { 1752sub ext_reply($$@) {
1529 my ($self, $id, %msg) = @_; 1753 my ($self, $id, @msg) = @_;
1530 1754
1531 $msg{msgid} = $id; 1755 $self->ns->ext_reply ($id, @msg)
1532 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533} 1756}
1534 1757
1535=item $player->ext_event ($type, %msg) 1758=item $player->ext_msg ($type, @msg)
1536 1759
1537Sends an ext event to the client. 1760Sends an ext event to the client.
1538 1761
1539=cut 1762=cut
1540 1763
1541sub ext_event($$%) { 1764sub ext_msg($$@) {
1542 my ($self, $type, %msg) = @_; 1765 my ($self, $type, @msg) = @_;
1543 1766
1544 $self->ns->ext_event ($type, %msg); 1767 $self->ns->ext_msg ($type, @msg);
1545} 1768}
1546 1769
1547=head3 cf::region 1770=head3 cf::region
1548 1771
1549=over 4 1772=over 4
1558 1781
1559=cut 1782=cut
1560 1783
1561sub find_by_path($) { 1784sub find_by_path($) {
1562 my ($path) = @_; 1785 my ($path) = @_;
1786
1787 $path =~ s/^~[^\/]*//; # skip ~login
1563 1788
1564 my ($match, $specificity); 1789 my ($match, $specificity);
1565 1790
1566 for my $region (list) { 1791 for my $region (list) {
1567 if ($region->{match} && $path =~ $region->{match}) { 1792 if ($region->{match} && $path =~ $region->{match}) {
1593our $MAX_RESET = 3600; 1818our $MAX_RESET = 3600;
1594our $DEFAULT_RESET = 3000; 1819our $DEFAULT_RESET = 3000;
1595 1820
1596sub generate_random_map { 1821sub generate_random_map {
1597 my ($self, $rmp) = @_; 1822 my ($self, $rmp) = @_;
1823
1824 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1825
1598 # mit "rum" bekleckern, nicht 1826 # mit "rum" bekleckern, nicht
1599 $self->_create_random_map ( 1827 $self->_create_random_map (
1600 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1828 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1829 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1602 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1830 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1603 $rmp->{exit_on_final_map}, 1831 $rmp->{exit_on_final_map},
1604 $rmp->{xsize}, $rmp->{ysize}, 1832 $rmp->{xsize}, $rmp->{ysize},
1605 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1833 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1606 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1834 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1621 1849
1622sub register { 1850sub register {
1623 my (undef, $regex, $prio) = @_; 1851 my (undef, $regex, $prio) = @_;
1624 my $pkg = caller; 1852 my $pkg = caller;
1625 1853
1626 no strict;
1627 push @{"$pkg\::ISA"}, __PACKAGE__; 1854 push @{"$pkg\::ISA"}, __PACKAGE__;
1628 1855
1629 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1856 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1630} 1857}
1631 1858
1632# also paths starting with '/' 1859# also paths starting with '/'
1633$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1860$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1634 1861
1635sub thawer_merge { 1862sub thawer_merge {
1636 my ($self, $merge) = @_; 1863 my ($self, $merge) = @_;
1637 1864
1638 # we have to keep some variables in memory intact 1865 # we have to keep some variables in memory intact
1724 1951
1725# the temporary/swap location 1952# the temporary/swap location
1726sub save_path { 1953sub save_path {
1727 my ($self) = @_; 1954 my ($self) = @_;
1728 1955
1729 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730 "$TMPDIR/$path.map" 1957 "$TMPDIR/$path.map"
1731} 1958}
1732 1959
1733# the unique path, undef == no special unique path 1960# the unique path, undef == no special unique path
1734sub uniq_path { 1961sub uniq_path {
1735 my ($self) = @_; 1962 my ($self) = @_;
1736 1963
1737 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1964 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738 "$UNIQUEDIR/$path" 1965 "$UNIQUEDIR/$path"
1739}
1740
1741# and all this just because we cannot iterate over
1742# all maps in C++...
1743sub change_all_map_light {
1744 my ($change) = @_;
1745
1746 $_->change_map_light ($change)
1747 for grep $_->outdoor, values %cf::MAP;
1748} 1966}
1749 1967
1750sub decay_objects { 1968sub decay_objects {
1751 my ($self) = @_; 1969 my ($self) = @_;
1752 1970
1765 1983
1766sub load_header_from($) { 1984sub load_header_from($) {
1767 my ($self, $path) = @_; 1985 my ($self, $path) = @_;
1768 1986
1769 utf8::encode $path; 1987 utf8::encode $path;
1770 #aio_open $path, O_RDONLY, 0 1988 my $f = new_from_file cf::object::thawer $path
1771 # or return;
1772
1773 $self->_load_header ($path)
1774 or return; 1989 or return;
1990
1991 $self->_load_header ($f)
1992 or return;
1993
1994 local $MAP_LOADING{$self->{path}} = $self;
1995 $f->resolve_delayed_derefs;
1775 1996
1776 $self->{load_path} = $path; 1997 $self->{load_path} = $path;
1777 1998
1778 1 1999 1
1779} 2000}
1833sub find { 2054sub find {
1834 my ($path, $origin) = @_; 2055 my ($path, $origin) = @_;
1835 2056
1836 $path = normalise $path, $origin && $origin->path; 2057 $path = normalise $path, $origin && $origin->path;
1837 2058
2059 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838 cf::lock_wait "map_find:$path"; 2060 my $guard2 = cf::lock_acquire "map_find:$path";
1839 2061
1840 $cf::MAP{$path} || do { 2062 $cf::MAP{$path} || do {
1841 my $guard = cf::lock_acquire "map_find:$path";
1842 my $map = new_from_path cf::map $path 2063 my $map = new_from_path cf::map $path
1843 or return; 2064 or return;
1844 2065
1845 $map->{last_save} = $cf::RUNTIME; 2066 $map->{last_save} = $cf::RUNTIME;
1846 2067
1848 or return; 2069 or return;
1849 2070
1850 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2071 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851 # doing this can freeze the server in a sync job, obviously 2072 # doing this can freeze the server in a sync job, obviously
1852 #$cf::WAIT_FOR_TICK->wait; 2073 #$cf::WAIT_FOR_TICK->wait;
2074 undef $guard2;
2075 undef $guard1;
1853 $map->reset; 2076 $map->reset;
1854 undef $guard;
1855 return find $path; 2077 return find $path;
1856 } 2078 }
1857 2079
1858 $cf::MAP{$path} = $map 2080 $cf::MAP{$path} = $map
1859 } 2081 }
1860} 2082}
1861 2083
1862sub pre_load { } 2084sub pre_load { }
1863sub post_load { } 2085#sub post_load { } # XS
1864 2086
1865sub load { 2087sub load {
1866 my ($self) = @_; 2088 my ($self) = @_;
1867 2089
1868 local $self->{deny_reset} = 1; # loading can take a long time 2090 local $self->{deny_reset} = 1; # loading can take a long time
1869 2091
1870 my $path = $self->{path}; 2092 my $path = $self->{path};
1871 2093
1872 { 2094 {
1873 my $guard = cf::lock_acquire "map_load:$path"; 2095 my $guard = cf::lock_acquire "map_data:$path";
1874 2096
2097 return unless $self->valid;
1875 return if $self->in_memory != cf::MAP_SWAPPED; 2098 return unless $self->in_memory == cf::MAP_SWAPPED;
1876 2099
1877 $self->in_memory (cf::MAP_LOADING); 2100 $self->in_memory (cf::MAP_LOADING);
1878 2101
1879 $self->alloc; 2102 $self->alloc;
1880 2103
1881 $self->pre_load; 2104 $self->pre_load;
1882 Coro::cede; 2105 cf::cede_to_tick;
1883 2106
2107 my $f = new_from_file cf::object::thawer $self->{load_path};
2108 $f->skip_block;
1884 $self->_load_objects ($self->{load_path}, 1) 2109 $self->_load_objects ($f)
1885 or return; 2110 or return;
1886 2111
1887 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2112 $self->post_load_original
1888 if delete $self->{load_original}; 2113 if delete $self->{load_original};
1889 2114
1890 if (my $uniq = $self->uniq_path) { 2115 if (my $uniq = $self->uniq_path) {
1891 utf8::encode $uniq; 2116 utf8::encode $uniq;
1892 if (aio_open $uniq, O_RDONLY, 0) { 2117 unless (aio_stat $uniq) {
2118 if (my $f = new_from_file cf::object::thawer $uniq) {
1893 $self->clear_unique_items; 2119 $self->clear_unique_items;
1894 $self->_load_objects ($uniq, 0); 2120 $self->_load_objects ($f);
2121 $f->resolve_delayed_derefs;
2122 }
1895 } 2123 }
1896 } 2124 }
1897 2125
1898 Coro::cede; 2126 $f->resolve_delayed_derefs;
2127
2128 cf::cede_to_tick;
1899 # now do the right thing for maps 2129 # now do the right thing for maps
1900 $self->link_multipart_objects; 2130 $self->link_multipart_objects;
1901 $self->difficulty ($self->estimate_difficulty) 2131 $self->difficulty ($self->estimate_difficulty)
1902 unless $self->difficulty; 2132 unless $self->difficulty;
1903 Coro::cede; 2133 cf::cede_to_tick;
1904 2134
1905 unless ($self->{deny_activate}) { 2135 unless ($self->{deny_activate}) {
1906 $self->decay_objects; 2136 $self->decay_objects;
1907 $self->fix_auto_apply; 2137 $self->fix_auto_apply;
1908 $self->update_buttons; 2138 $self->update_buttons;
1909 Coro::cede; 2139 cf::cede_to_tick;
1910 $self->set_darkness_map;
1911 Coro::cede;
1912 $self->activate; 2140 $self->activate;
1913 } 2141 }
1914 2142
2143 $self->{last_save} = $cf::RUNTIME;
2144 $self->last_access ($cf::RUNTIME);
2145
1915 $self->in_memory (cf::MAP_IN_MEMORY); 2146 $self->in_memory (cf::MAP_ACTIVE);
1916 } 2147 }
1917 2148
1918 $self->post_load; 2149 $self->post_load;
1919} 2150}
1920 2151
2152# customize the map for a given player, i.e.
2153# return the _real_ map. used by e.g. per-player
2154# maps to change the path to ~playername/mappath
1921sub customise_for { 2155sub customise_for {
1922 my ($self, $ob) = @_; 2156 my ($self, $ob) = @_;
1923 2157
1924 return find "~" . $ob->name . "/" . $self->{path} 2158 return find "~" . $ob->name . "/" . $self->{path}
1925 if $self->per_player; 2159 if $self->per_player;
1929 2163
1930 $self 2164 $self
1931} 2165}
1932 2166
1933# find and load all maps in the 3x3 area around a map 2167# find and load all maps in the 3x3 area around a map
1934sub load_diag { 2168sub load_neighbours {
1935 my ($map) = @_; 2169 my ($map) = @_;
1936 2170
1937 my @diag; # diagonal neighbours 2171 my @neigh; # diagonal neighbours
1938 2172
1939 for (0 .. 3) { 2173 for (0 .. 3) {
1940 my $neigh = $map->tile_path ($_) 2174 my $neigh = $map->tile_path ($_)
1941 or next; 2175 or next;
1942 $neigh = find $neigh, $map 2176 $neigh = find $neigh, $map
1943 or next; 2177 or next;
1944 $neigh->load; 2178 $neigh->load;
1945 2179
2180 # now find the diagonal neighbours
2181 push @neigh,
1946 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2182 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1947 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2183 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1948 } 2184 }
1949 2185
1950 for (@diag) { 2186 for (grep defined $_->[0], @neigh) {
2187 my ($path, $origin) = @$_;
1951 my $neigh = find @$_ 2188 my $neigh = find $path, $origin
1952 or next; 2189 or next;
1953 $neigh->load; 2190 $neigh->load;
1954 } 2191 }
1955} 2192}
1956 2193
1957sub find_sync { 2194sub find_sync {
1958 my ($path, $origin) = @_; 2195 my ($path, $origin) = @_;
1959 2196
1960 cf::sync_job { find $path, $origin } 2197 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2198 if $Coro::current == $Coro::main;
2199
2200 find $path, $origin
1961} 2201}
1962 2202
1963sub do_load_sync { 2203sub do_load_sync {
1964 my ($map) = @_; 2204 my ($map) = @_;
1965 2205
1966 cf::sync_job { $map->load }; 2206 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2207 if $Coro::current == $Coro::main;
2208
2209 $map->load;
1967} 2210}
1968 2211
1969our %MAP_PREFETCH; 2212our %MAP_PREFETCH;
1970our $MAP_PREFETCHER = undef; 2213our $MAP_PREFETCHER = undef;
1971 2214
1972sub find_async { 2215sub find_async {
1973 my ($path, $origin) = @_; 2216 my ($path, $origin, $load) = @_;
1974 2217
1975 $path = normalise $path, $origin && $origin->{path}; 2218 $path = normalise $path, $origin && $origin->{path};
1976 2219
1977 if (my $map = $cf::MAP{$path}) { 2220 if (my $map = $cf::MAP{$path}) {
1978 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2221 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979 } 2222 }
1980 2223
1981 undef $MAP_PREFETCH{$path}; 2224 $MAP_PREFETCH{$path} |= $load;
2225
1982 $MAP_PREFETCHER ||= cf::async { 2226 $MAP_PREFETCHER ||= cf::async {
2227 $Coro::current->{desc} = "map prefetcher";
2228
1983 while (%MAP_PREFETCH) { 2229 while (%MAP_PREFETCH) {
1984 for my $path (keys %MAP_PREFETCH) { 2230 while (my ($k, $v) = each %MAP_PREFETCH) {
1985 if (my $map = find $path) { 2231 if (my $map = find $k) {
1986 $map->load; 2232 $map->load if $v;
1987 } 2233 }
1988 2234
1989 delete $MAP_PREFETCH{$path}; 2235 delete $MAP_PREFETCH{$k};
1990 } 2236 }
1991 } 2237 }
1992 undef $MAP_PREFETCHER; 2238 undef $MAP_PREFETCHER;
1993 }; 2239 };
1994 $MAP_PREFETCHER->prio (6); 2240 $MAP_PREFETCHER->prio (6);
1995 2241
1996 () 2242 ()
1997} 2243}
1998 2244
2245# common code, used by both ->save and ->swapout
1999sub save { 2246sub _save {
2000 my ($self) = @_; 2247 my ($self) = @_;
2001
2002 my $lock = cf::lock_acquire "map_data:" . $self->path;
2003 2248
2004 $self->{last_save} = $cf::RUNTIME; 2249 $self->{last_save} = $cf::RUNTIME;
2005 2250
2006 return unless $self->dirty; 2251 return unless $self->dirty;
2007 2252
2013 return if $self->{deny_save}; 2258 return if $self->{deny_save};
2014 2259
2015 local $self->{last_access} = $self->last_access;#d# 2260 local $self->{last_access} = $self->last_access;#d#
2016 2261
2017 cf::async { 2262 cf::async {
2263 $Coro::current->{desc} = "map player save";
2018 $_->contr->save for $self->players; 2264 $_->contr->save for $self->players;
2019 }; 2265 };
2266
2267 cf::get_slot 0.02;
2020 2268
2021 if ($uniq) { 2269 if ($uniq) {
2022 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2270 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2271 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2024 } else { 2272 } else {
2025 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2273 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026 } 2274 }
2027} 2275}
2028 2276
2277sub save {
2278 my ($self) = @_;
2279
2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
2281
2282 $self->_save;
2283}
2284
2029sub swap_out { 2285sub swap_out {
2030 my ($self) = @_; 2286 my ($self) = @_;
2031 2287
2032 # save first because save cedes
2033 $self->save;
2034
2035 my $lock = cf::lock_acquire "map_data:" . $self->path; 2288 my $lock = cf::lock_acquire "map_data:$self->{path}";
2036 2289
2290 return if $self->in_memory != cf::MAP_ACTIVE;
2291 return if $self->{deny_save};
2037 return if $self->players; 2292 return if $self->players;
2038 return if $self->in_memory != cf::MAP_IN_MEMORY;
2039 return if $self->{deny_save};
2040 2293
2294 # first deactivate the map and "unlink" it from the core
2295 $self->deactivate;
2296 $_->clear_links_to ($self) for values %cf::MAP;
2297 $self->in_memory (cf::MAP_SWAPPED);
2298
2299 # then atomically save
2300 $self->_save;
2301
2302 # then free the map
2041 $self->clear; 2303 $self->clear;
2042 $self->in_memory (cf::MAP_SWAPPED);
2043} 2304}
2044 2305
2045sub reset_at { 2306sub reset_at {
2046 my ($self) = @_; 2307 my ($self) = @_;
2047 2308
2065 2326
2066 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
2067 2328
2068 return if $self->players; 2329 return if $self->players;
2069 2330
2070 warn "resetting map ", $self->path; 2331 cf::trace "resetting map ", $self->path, "\n";
2071 2332
2072 $self->in_memory (cf::MAP_SWAPPED); 2333 $self->in_memory (cf::MAP_SWAPPED);
2073 2334
2074 # need to save uniques path 2335 # need to save uniques path
2075 unless ($self->{deny_save}) { 2336 unless ($self->{deny_save}) {
2079 if $uniq; 2340 if $uniq;
2080 } 2341 }
2081 2342
2082 delete $cf::MAP{$self->path}; 2343 delete $cf::MAP{$self->path};
2083 2344
2345 $self->deactivate;
2346 $_->clear_links_to ($self) for values %cf::MAP;
2084 $self->clear; 2347 $self->clear;
2085
2086 $_->clear_links_to ($self) for values %cf::MAP;
2087 2348
2088 $self->unlink_save; 2349 $self->unlink_save;
2089 $self->destroy; 2350 $self->destroy;
2090} 2351}
2091 2352
2092my $nuke_counter = "aaaa"; 2353my $nuke_counter = "aaaa";
2093 2354
2094sub nuke { 2355sub nuke {
2095 my ($self) = @_; 2356 my ($self) = @_;
2096 2357
2358 {
2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
2360
2097 delete $cf::MAP{$self->path}; 2361 delete $cf::MAP{$self->path};
2098 2362
2099 $self->unlink_save; 2363 $self->unlink_save;
2100 2364
2101 bless $self, "cf::map"; 2365 bless $self, "cf::map::wrap";
2102 delete $self->{deny_reset}; 2366 delete $self->{deny_reset};
2103 $self->{deny_save} = 1; 2367 $self->{deny_save} = 1;
2104 $self->reset_timeout (1); 2368 $self->reset_timeout (1);
2105 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2369 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106 2370
2107 $cf::MAP{$self->path} = $self; 2371 $cf::MAP{$self->path} = $self;
2372 }
2108 2373
2109 $self->reset; # polite request, might not happen 2374 $self->reset; # polite request, might not happen
2110} 2375}
2111 2376
2112=item $maps = cf::map::tmp_maps 2377=item $maps = cf::map::tmp_maps
2154 2419
2155sub unique_maps() { 2420sub unique_maps() {
2156 [ 2421 [
2157 map { 2422 map {
2158 utf8::decode $_; 2423 utf8::decode $_;
2159 /\.map$/ 2424 s/\.map$//; # TODO future compatibility hack
2425 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2426 ? ()
2160 ? normalise $_ 2427 : normalise $_
2161 : ()
2162 } @{ aio_readdir $UNIQUEDIR or [] } 2428 } @{ aio_readdir $UNIQUEDIR or [] }
2163 ] 2429 ]
2164} 2430}
2165 2431
2166package cf; 2432=item cf::map::static_maps
2433
2434Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2435file in the shared directory excluding F</styles> and F</editor>). May
2436block.
2437
2438=cut
2439
2440sub static_maps() {
2441 my @dirs = "";
2442 my @maps;
2443
2444 while (@dirs) {
2445 my $dir = shift @dirs;
2446
2447 next if $dir eq "/styles" || $dir eq "/editor";
2448
2449 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2450 or return;
2451
2452 for (@$files) {
2453 s/\.map$// or next;
2454 utf8::decode $_;
2455 push @maps, "$dir/$_";
2456 }
2457
2458 push @dirs, map "$dir/$_", @$dirs;
2459 }
2460
2461 \@maps
2462}
2167 2463
2168=back 2464=back
2169 2465
2170=head3 cf::object 2466=head3 cf::object
2171 2467
2175 2471
2176=over 4 2472=over 4
2177 2473
2178=item $ob->inv_recursive 2474=item $ob->inv_recursive
2179 2475
2180Returns the inventory of the object _and_ their inventories, recursively. 2476Returns the inventory of the object I<and> their inventories, recursively,
2477but I<not> the object itself.
2181 2478
2182=cut 2479=cut
2183 2480
2184sub inv_recursive_; 2481sub inv_recursive_;
2185sub inv_recursive_ { 2482sub inv_recursive_ {
2188 2485
2189sub inv_recursive { 2486sub inv_recursive {
2190 inv_recursive_ inv $_[0] 2487 inv_recursive_ inv $_[0]
2191} 2488}
2192 2489
2490=item $ref = $ob->ref
2491
2492Creates and returns a persistent reference to an object that can be stored as a string.
2493
2494=item $ob = cf::object::deref ($refstring)
2495
2496returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2497even if the object actually exists. May block.
2498
2499=cut
2500
2501sub deref {
2502 my ($ref) = @_;
2503
2504 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2505 my ($uuid, $name) = ($1, $2);
2506 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2507 or return;
2508 $pl->ob->uuid eq $uuid
2509 or return;
2510
2511 $pl->ob
2512 } else {
2513 warn "$ref: cannot resolve object reference\n";
2514 undef
2515 }
2516}
2517
2193package cf; 2518package cf;
2194 2519
2195=back 2520=back
2196 2521
2197=head3 cf::object::player 2522=head3 cf::object::player
2203Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2528Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204can be C<undef>. Does the right thing when the player is currently in a 2529can be C<undef>. Does the right thing when the player is currently in a
2205dialogue with the given NPC character. 2530dialogue with the given NPC character.
2206 2531
2207=cut 2532=cut
2533
2534our $SAY_CHANNEL = {
2535 id => "say",
2536 title => "Map",
2537 reply => "say ",
2538 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2539};
2540
2541our $CHAT_CHANNEL = {
2542 id => "chat",
2543 title => "Chat",
2544 reply => "chat ",
2545 tooltip => "Player chat and shouts, global to the server.",
2546};
2208 2547
2209# rough implementation of a future "reply" method that works 2548# rough implementation of a future "reply" method that works
2210# with dialog boxes. 2549# with dialog boxes.
2211#TODO: the first argument must go, split into a $npc->reply_to ( method 2550#TODO: the first argument must go, split into a $npc->reply_to ( method
2212sub cf::object::player::reply($$$;$) { 2551sub cf::object::player::reply($$$;$) {
2219 2558
2220 } else { 2559 } else {
2221 my $pl = $self->contr; 2560 my $pl = $self->contr;
2222 2561
2223 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2562 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224 my $diag = $pl->{npc_dialog}; 2563 my $dialog = $pl->{npc_dialog};
2225 $diag->{pl}->ext_reply ( 2564 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226 $diag->{id},
2227 msgtype => "reply",
2228 msg => $diag->{pl}->expand_cfpod ($msg),
2229 add_topics => []
2230 );
2231 2565
2232 } else { 2566 } else {
2233 $msg = $npc->name . " says: $msg" if $npc; 2567 $msg = $npc->name . " says: $msg" if $npc;
2234 $self->message ($msg, $flags); 2568 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235 } 2569 }
2236 } 2570 }
2571}
2572
2573=item $object->send_msg ($channel, $msg, $color, [extra...])
2574
2575=cut
2576
2577sub cf::object::send_msg {
2578 my $pl = shift->contr
2579 or return;
2580 $pl->send_msg (@_);
2237} 2581}
2238 2582
2239=item $player_object->may ("access") 2583=item $player_object->may ("access")
2240 2584
2241Returns wether the given player is authorized to access resource "access" 2585Returns wether the given player is authorized to access resource "access"
2254 2598
2255=item $player_object->enter_link 2599=item $player_object->enter_link
2256 2600
2257Freezes the player and moves him/her to a special map (C<{link}>). 2601Freezes the player and moves him/her to a special map (C<{link}>).
2258 2602
2259The player should be reasonably safe there for short amounts of time. You 2603The player should be reasonably safe there for short amounts of time (e.g.
2260I<MUST> call C<leave_link> as soon as possible, though. 2604for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2605though, as the player cannot control the character while it is on the link
2606map.
2261 2607
2262Will never block. 2608Will never block.
2263 2609
2264=item $player_object->leave_link ($map, $x, $y) 2610=item $player_object->leave_link ($map, $x, $y)
2265 2611
2285sub cf::object::player::enter_link { 2631sub cf::object::player::enter_link {
2286 my ($self) = @_; 2632 my ($self) = @_;
2287 2633
2288 $self->deactivate_recursive; 2634 $self->deactivate_recursive;
2289 2635
2636 ++$self->{_link_recursion};
2637
2290 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2638 return if UNIVERSAL::isa $self->map, "ext::map_link";
2291 2639
2292 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2640 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2293 if $self->map && $self->map->{path} ne "{link}"; 2641 if $self->map && $self->map->{path} ne "{link}";
2294 2642
2295 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2643 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2296} 2644}
2297 2645
2298sub cf::object::player::leave_link { 2646sub cf::object::player::leave_link {
2299 my ($self, $map, $x, $y) = @_; 2647 my ($self, $map, $x, $y) = @_;
2300 2648
2317 ($x, $y) = (-1, -1) 2665 ($x, $y) = (-1, -1)
2318 unless (defined $x) && (defined $y); 2666 unless (defined $x) && (defined $y);
2319 2667
2320 # use -1 or undef as default coordinates, not 0, 0 2668 # use -1 or undef as default coordinates, not 0, 0
2321 ($x, $y) = ($map->enter_x, $map->enter_y) 2669 ($x, $y) = ($map->enter_x, $map->enter_y)
2322 if $x <=0 && $y <= 0; 2670 if $x <= 0 && $y <= 0;
2323 2671
2324 $map->load; 2672 $map->load;
2325 $map->load_diag; 2673 $map->load_neighbours;
2326 2674
2327 return unless $self->contr->active; 2675 return unless $self->contr->active;
2328 $self->activate_recursive;
2329 2676
2330 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2677 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331 $self->enter_map ($map, $x, $y); 2678 if ($self->enter_map ($map, $x, $y)) {
2332} 2679 # entering was successful
2680 delete $self->{_link_recursion};
2681 # only activate afterwards, to support waiting in hooks
2682 $self->activate_recursive;
2683 }
2333 2684
2685}
2686
2334=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2687=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2335 2688
2336Moves the player to the given map-path and coordinates by first freezing 2689Moves the player to the given map-path and coordinates by first freezing
2337her, loading and preparing them map, calling the provided $check callback 2690her, loading and preparing them map, calling the provided $check callback
2338that has to return the map if sucecssful, and then unfreezes the player on 2691that has to return the map if sucecssful, and then unfreezes the player on
2339the new (success) or old (failed) map position. In either case, $done will 2692the new (success) or old (failed) map position. In either case, $done will
2340be called at the end of this process. 2693be called at the end of this process.
2341 2694
2695Note that $check will be called with a potentially non-loaded map, so if
2696it needs a loaded map it has to call C<< ->load >>.
2697
2342=cut 2698=cut
2343 2699
2344our $GOTOGEN; 2700our $GOTOGEN;
2345 2701
2346sub cf::object::player::goto { 2702sub cf::object::player::goto {
2347 my ($self, $path, $x, $y, $check, $done) = @_; 2703 my ($self, $path, $x, $y, $check, $done) = @_;
2348 2704
2705 if ($self->{_link_recursion} >= $MAX_LINKS) {
2706 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2707 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2708 ($path, $x, $y) = @$EMERGENCY_POSITION;
2709 }
2710
2349 # do generation counting so two concurrent goto's will be executed in-order 2711 # do generation counting so two concurrent goto's will be executed in-order
2350 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2712 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351 2713
2352 $self->enter_link; 2714 $self->enter_link;
2353 2715
2354 (async { 2716 (async {
2717 $Coro::current->{desc} = "player::goto $path $x $y";
2718
2719 # *tag paths override both path and x|y
2720 if ($path =~ /^\*(.*)$/) {
2721 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2722 my $ob = $obs[rand @obs];
2723
2724 # see if we actually can go there
2725 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2726 $ob = $obs[rand @obs];
2727 } else {
2728 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2729 }
2730 # else put us there anyways for now #d#
2731
2732 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2733 } else {
2734 ($path, $x, $y) = (undef, undef, undef);
2735 }
2736 }
2737
2355 my $map = eval { 2738 my $map = eval {
2356 my $map = cf::map::find $path; 2739 my $map = defined $path ? cf::map::find $path : undef;
2357 2740
2358 if ($map) { 2741 if ($map) {
2359 $map = $map->customise_for ($self); 2742 $map = $map->customise_for ($self);
2360 $map = $check->($map) if $check && $map; 2743 $map = $check->($map, $x, $y, $self) if $check && $map;
2361 } else { 2744 } else {
2362 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2745 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363 } 2746 }
2364 2747
2365 $map 2748 $map
2366 }; 2749 };
2367 2750
2373 if ($gen == $self->{_goto_generation}) { 2756 if ($gen == $self->{_goto_generation}) {
2374 delete $self->{_goto_generation}; 2757 delete $self->{_goto_generation};
2375 $self->leave_link ($map, $x, $y); 2758 $self->leave_link ($map, $x, $y);
2376 } 2759 }
2377 2760
2378 $done->() if $done; 2761 $done->($self) if $done;
2379 })->prio (1); 2762 })->prio (1);
2380} 2763}
2381 2764
2382=item $player_object->enter_exit ($exit_object) 2765=item $player_object->enter_exit ($exit_object)
2383 2766
2403} 2786}
2404 2787
2405sub prepare_random_map { 2788sub prepare_random_map {
2406 my ($exit) = @_; 2789 my ($exit) = @_;
2407 2790
2408 my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410 # all this does is basically replace the /! path by 2791 # all this does is basically replace the /! path by
2411 # a new random map path (?random/...) with a seed 2792 # a new random map path (?random/...) with a seed
2412 # that depends on the exit object 2793 # that depends on the exit object
2413 2794
2414 my $rmp = parse_random_map_params $exit->msg; 2795 my $rmp = parse_random_map_params $exit->msg;
2416 if ($exit->map) { 2797 if ($exit->map) {
2417 $rmp->{region} = $exit->region->name; 2798 $rmp->{region} = $exit->region->name;
2418 $rmp->{origin_map} = $exit->map->path; 2799 $rmp->{origin_map} = $exit->map->path;
2419 $rmp->{origin_x} = $exit->x; 2800 $rmp->{origin_x} = $exit->x;
2420 $rmp->{origin_y} = $exit->y; 2801 $rmp->{origin_y} = $exit->y;
2802
2803 $exit->map->touch;
2421 } 2804 }
2422 2805
2423 $rmp->{random_seed} ||= $exit->random_seed; 2806 $rmp->{random_seed} ||= $exit->random_seed;
2424 2807
2425 my $data = cf::to_json $rmp; 2808 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426 my $md5 = Digest::MD5::md5_hex $data; 2809 my $md5 = Digest::MD5::md5_hex $data;
2427 my $meta = "$RANDOMDIR/$md5.meta"; 2810 my $meta = "$RANDOMDIR/$md5.meta";
2428 2811
2429 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2812 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430 aio_write $fh, 0, (length $data), $data, 0; 2813 aio_write $fh, 0, (length $data), $data, 0;
2431 undef $fh; 2814 undef $fh;
2432 aio_rename "$meta~", $meta; 2815 aio_rename "$meta~", $meta;
2433 2816
2817 my $slaying = "?random/$md5";
2818
2819 if ($exit->valid) {
2434 $exit->slaying ("?random/$md5"); 2820 $exit->slaying ("?random/$md5");
2435 $exit->msg (undef); 2821 $exit->msg (undef);
2822 }
2436 } 2823 }
2437} 2824}
2438 2825
2439sub cf::object::player::enter_exit { 2826sub cf::object::player::enter_exit {
2440 my ($self, $exit) = @_; 2827 my ($self, $exit) = @_;
2441 2828
2442 return unless $self->type == cf::PLAYER; 2829 return unless $self->type == cf::PLAYER;
2443 2830
2444 if ($exit->slaying eq "/!") {
2445 #TODO: this should de-fi-ni-te-ly not be a sync-job
2446 # the problem is that $exit might not survive long enough
2447 # so it needs to be done right now, right here
2448 cf::sync_job { prepare_random_map $exit };
2449 }
2450
2451 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452 my $hp = $exit->stats->hp;
2453 my $sp = $exit->stats->sp;
2454
2455 $self->enter_link; 2831 $self->enter_link;
2456 2832
2457 # if exit is damned, update players death & WoR home-position
2458 $self->contr->savebed ($slaying, $hp, $sp)
2459 if $exit->flag (FLAG_DAMNED);
2460
2461 (async { 2833 (async {
2462 $self->deactivate_recursive; # just to be sure 2834 $Coro::current->{desc} = "enter_exit";
2835
2463 unless (eval { 2836 unless (eval {
2837 $self->deactivate_recursive; # just to be sure
2838
2839 # random map handling
2840 {
2841 my $guard = cf::lock_acquire "exit_prepare:$exit";
2842
2843 prepare_random_map $exit
2844 if $exit->slaying eq "/!";
2845 }
2846
2847 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2848 my $x = $exit->stats->hp;
2849 my $y = $exit->stats->sp;
2850
2464 $self->goto ($slaying, $hp, $sp); 2851 $self->goto ($map, $x, $y);
2465 2852
2853 # if exit is damned, update players death & WoR home-position
2854 $self->contr->savebed ($map, $x, $y)
2855 if $exit->flag (cf::FLAG_DAMNED);
2856
2466 1; 2857 1
2467 }) { 2858 }) {
2468 $self->message ("Something went wrong deep within the crossfire server. " 2859 $self->message ("Something went wrong deep within the deliantra server. "
2469 . "I'll try to bring you back to the map you were before. " 2860 . "I'll try to bring you back to the map you were before. "
2470 . "Please report this to the dungeon master!", 2861 . "Please report this to the dungeon master!",
2471 cf::NDI_UNIQUE | cf::NDI_RED); 2862 cf::NDI_UNIQUE | cf::NDI_RED);
2472 2863
2473 warn "ERROR in enter_exit: $@"; 2864 error "ERROR in enter_exit: $@";
2474 $self->leave_link; 2865 $self->leave_link;
2475 } 2866 }
2476 })->prio (1); 2867 })->prio (1);
2477} 2868}
2478 2869
2490sub cf::client::send_drawinfo { 2881sub cf::client::send_drawinfo {
2491 my ($self, $text, $flags) = @_; 2882 my ($self, $text, $flags) = @_;
2492 2883
2493 utf8::encode $text; 2884 utf8::encode $text;
2494 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2885 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2886}
2887
2888=item $client->send_big_packet ($pkt)
2889
2890Like C<send_packet>, but tries to compress large packets, and fragments
2891them as required.
2892
2893=cut
2894
2895our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2896
2897sub cf::client::send_big_packet {
2898 my ($self, $pkt) = @_;
2899
2900 # try lzf for large packets
2901 $pkt = "lzf " . Compress::LZF::compress $pkt
2902 if 1024 <= length $pkt and $self->{can_lzf};
2903
2904 # split very large packets
2905 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2906 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2907 $pkt = "frag";
2908 }
2909
2910 $self->send_packet ($pkt);
2495} 2911}
2496 2912
2497=item $client->send_msg ($channel, $msg, $color, [extra...]) 2913=item $client->send_msg ($channel, $msg, $color, [extra...])
2498 2914
2499Send a drawinfo or msg packet to the client, formatting the msg for the 2915Send a drawinfo or msg packet to the client, formatting the msg for the
2501the message, with C<log> being the default. If C<$color> is negative, suppress 2917the message, with C<log> being the default. If C<$color> is negative, suppress
2502the message unless the client supports the msg packet. 2918the message unless the client supports the msg packet.
2503 2919
2504=cut 2920=cut
2505 2921
2922# non-persistent channels (usually the info channel)
2923our %CHANNEL = (
2924 "c/motd" => {
2925 id => "infobox",
2926 title => "MOTD",
2927 reply => undef,
2928 tooltip => "The message of the day",
2929 },
2930 "c/identify" => {
2931 id => "infobox",
2932 title => "Identify",
2933 reply => undef,
2934 tooltip => "Items recently identified",
2935 },
2936 "c/examine" => {
2937 id => "infobox",
2938 title => "Examine",
2939 reply => undef,
2940 tooltip => "Signs and other items you examined",
2941 },
2942 "c/shopinfo" => {
2943 id => "infobox",
2944 title => "Shop Info",
2945 reply => undef,
2946 tooltip => "What your bargaining skill tells you about the shop",
2947 },
2948 "c/book" => {
2949 id => "infobox",
2950 title => "Book",
2951 reply => undef,
2952 tooltip => "The contents of a note or book",
2953 },
2954 "c/lookat" => {
2955 id => "infobox",
2956 title => "Look",
2957 reply => undef,
2958 tooltip => "What you saw there",
2959 },
2960 "c/who" => {
2961 id => "infobox",
2962 title => "Players",
2963 reply => undef,
2964 tooltip => "Shows players who are currently online",
2965 },
2966 "c/body" => {
2967 id => "infobox",
2968 title => "Body Parts",
2969 reply => undef,
2970 tooltip => "Shows which body parts you posess and are available",
2971 },
2972 "c/statistics" => {
2973 id => "infobox",
2974 title => "Statistics",
2975 reply => undef,
2976 tooltip => "Shows your primary statistics",
2977 },
2978 "c/skills" => {
2979 id => "infobox",
2980 title => "Skills",
2981 reply => undef,
2982 tooltip => "Shows your experience per skill and item power",
2983 },
2984 "c/shopitems" => {
2985 id => "infobox",
2986 title => "Shop Items",
2987 reply => undef,
2988 tooltip => "Shows the items currently for sale in this shop",
2989 },
2990 "c/resistances" => {
2991 id => "infobox",
2992 title => "Resistances",
2993 reply => undef,
2994 tooltip => "Shows your resistances",
2995 },
2996 "c/pets" => {
2997 id => "infobox",
2998 title => "Pets",
2999 reply => undef,
3000 tooltip => "Shows information abotu your pets/a specific pet",
3001 },
3002 "c/perceiveself" => {
3003 id => "infobox",
3004 title => "Perceive Self",
3005 reply => undef,
3006 tooltip => "You gained detailed knowledge about yourself",
3007 },
3008 "c/uptime" => {
3009 id => "infobox",
3010 title => "Uptime",
3011 reply => undef,
3012 tooltip => "How long the server has been running since last restart",
3013 },
3014 "c/mapinfo" => {
3015 id => "infobox",
3016 title => "Map Info",
3017 reply => undef,
3018 tooltip => "Information related to the maps",
3019 },
3020 "c/party" => {
3021 id => "party",
3022 title => "Party",
3023 reply => "gsay ",
3024 tooltip => "Messages and chat related to your party",
3025 },
3026 "c/death" => {
3027 id => "death",
3028 title => "Death",
3029 reply => undef,
3030 tooltip => "Reason for and more info about your most recent death",
3031 },
3032 "c/say" => $SAY_CHANNEL,
3033 "c/chat" => $CHAT_CHANNEL,
3034);
3035
2506sub cf::client::send_msg { 3036sub cf::client::send_msg {
2507 my ($self, $channel, $msg, $color, @extra) = @_; 3037 my ($self, $channel, $msg, $color, @extra) = @_;
2508 3038
2509 $msg = $self->pl->expand_cfpod ($msg); 3039 $msg = $self->pl->expand_cfpod ($msg)
3040 unless $color & cf::NDI_VERBATIM;
2510 3041
2511 $color &= ~cf::NDI_UNIQUE; # just in case... 3042 $color &= cf::NDI_CLIENT_MASK; # just in case...
2512 3043
3044 # check predefined channels, for the benefit of C
3045 if ($CHANNEL{$channel}) {
3046 $channel = $CHANNEL{$channel};
3047
3048 $self->ext_msg (channel_info => $channel);
3049 $channel = $channel->{id};
3050
2513 if (ref $channel) { 3051 } elsif (ref $channel) {
2514 # send meta info to client, if not yet sent 3052 # send meta info to client, if not yet sent
2515 unless (exists $self->{channel}{$channel->{id}}) { 3053 unless (exists $self->{channel}{$channel->{id}}) {
2516 $self->{channel}{$channel->{id}} = $channel; 3054 $self->{channel}{$channel->{id}} = $channel;
2517 $self->ext_event (channel_info => %$channel); 3055 $self->ext_msg (channel_info => $channel);
2518 } 3056 }
2519 3057
2520 $channel = $channel->{id}; 3058 $channel = $channel->{id};
2521 } 3059 }
2522 3060
2523 return unless @extra || length $msg; 3061 return unless @extra || length $msg;
2524 3062
2525 if ($self->can_msg) { 3063 # default colour, mask it out
2526 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra])); 3064 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527 } else { 3065 if $color & cf::NDI_DEF;
2528 # replace some tags by gcfclient-compatible ones
2529 for ($msg) {
2530 1 while
2531 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536 }
2537 3066
2538 if ($color >= 0) { 3067 my $pkt = "msg "
2539 if (0 && $msg =~ /\[/) { 3068 . $self->{json_coder}->encode (
2540 $self->send_packet ("drawextinfo $color 4 0 $msg") 3069 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541 } else { 3070 );
2542 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543 $self->send_packet ("drawinfo $color $msg")
2544 }
2545 }
2546 }
2547}
2548 3071
3072 $self->send_big_packet ($pkt);
3073}
3074
2549=item $client->ext_event ($type, %msg) 3075=item $client->ext_msg ($type, @msg)
2550 3076
2551Sends an ext event to the client. 3077Sends an ext event to the client.
2552 3078
2553=cut 3079=cut
2554 3080
2555sub cf::client::ext_event($$%) { 3081sub cf::client::ext_msg($$@) {
2556 my ($self, $type, %msg) = @_; 3082 my ($self, $type, @msg) = @_;
2557 3083
2558 return unless $self->extcmd; 3084 if ($self->extcmd == 2) {
2559 3085 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3086 } elsif ($self->extcmd == 1) { # TODO: remove
2560 $msg{msgtype} = "event_$type"; 3087 push @msg, msgtype => "event_$type";
2561 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3088 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3089 }
3090}
3091
3092=item $client->ext_reply ($msgid, @msg)
3093
3094Sends an ext reply to the client.
3095
3096=cut
3097
3098sub cf::client::ext_reply($$@) {
3099 my ($self, $id, @msg) = @_;
3100
3101 if ($self->extcmd == 2) {
3102 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3103 } elsif ($self->extcmd == 1) {
3104 #TODO: version 1, remove
3105 unshift @msg, msgtype => "reply", msgid => $id;
3106 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3107 }
2562} 3108}
2563 3109
2564=item $success = $client->query ($flags, "text", \&cb) 3110=item $success = $client->query ($flags, "text", \&cb)
2565 3111
2566Queues a query to the client, calling the given callback with 3112Queues a query to the client, calling the given callback with
2621 my ($ns, $buf) = @_; 3167 my ($ns, $buf) = @_;
2622 3168
2623 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3169 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624 3170
2625 if (ref $msg) { 3171 if (ref $msg) {
3172 my ($type, $reply, @payload) =
3173 "ARRAY" eq ref $msg
3174 ? @$msg
3175 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3176
3177 my @reply;
3178
2626 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3179 if (my $cb = $EXTICMD{$type}) {
2627 if (my %reply = $cb->($ns, $msg)) { 3180 @reply = $cb->($ns, @payload);
2628 $reply{msgid} = $msg->{msgid};
2629 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630 }
2631 } 3181 }
3182
3183 $ns->ext_reply ($reply, @reply)
3184 if $reply;
3185
2632 } else { 3186 } else {
2633 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3187 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634 } 3188 }
2635 3189
2636 cf::override; 3190 cf::override;
2637 }, 3191 },
2638); 3192);
2658 3212
2659 $coro 3213 $coro
2660} 3214}
2661 3215
2662cf::client->attach ( 3216cf::client->attach (
2663 on_destroy => sub { 3217 on_client_destroy => sub {
2664 my ($ns) = @_; 3218 my ($ns) = @_;
2665 3219
2666 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3220 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2667 }, 3221 },
2668); 3222);
2683our $safe = new Safe "safe"; 3237our $safe = new Safe "safe";
2684our $safe_hole = new Safe::Hole; 3238our $safe_hole = new Safe::Hole;
2685 3239
2686$SIG{FPE} = 'IGNORE'; 3240$SIG{FPE} = 'IGNORE';
2687 3241
2688$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3242$safe->permit_only (Opcode::opset qw(
3243 :base_core :base_mem :base_orig :base_math :base_loop
3244 grepstart grepwhile mapstart mapwhile
3245 sort time
3246));
2689 3247
2690# here we export the classes and methods available to script code 3248# here we export the classes and methods available to script code
2691 3249
2692=pod 3250=pod
2693 3251
2694The following functions and methods are available within a safe environment: 3252The following functions and methods are available within a safe environment:
2695 3253
2696 cf::object 3254 cf::object
2697 contr pay_amount pay_player map x y force_find force_add 3255 contr pay_amount pay_player map x y force_find force_add destroy
2698 insert remove 3256 insert remove name archname title slaying race decrease split
3257 value
2699 3258
2700 cf::object::player 3259 cf::object::player
2701 player 3260 player
2702 3261
2703 cf::player 3262 cf::player
2708 3267
2709=cut 3268=cut
2710 3269
2711for ( 3270for (
2712 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3271 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713 insert remove)], 3272 insert remove inv nrof name archname title slaying race
3273 decrease split destroy change_exp value msg lore send_msg)],
2714 ["cf::object::player" => qw(player)], 3274 ["cf::object::player" => qw(player)],
2715 ["cf::player" => qw(peaceful)], 3275 ["cf::player" => qw(peaceful send_msg)],
2716 ["cf::map" => qw(trigger)], 3276 ["cf::map" => qw(trigger)],
2717) { 3277) {
2718 no strict 'refs';
2719 my ($pkg, @funs) = @$_; 3278 my ($pkg, @funs) = @$_;
2720 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3279 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2721 for @funs; 3280 for @funs;
2722} 3281}
2723 3282
2738 3297
2739 my $qcode = $code; 3298 my $qcode = $code;
2740 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3299 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2741 $qcode =~ s/\n/\\n/g; 3300 $qcode =~ s/\n/\\n/g;
2742 3301
3302 %vars = (_dummy => 0) unless %vars;
3303
3304 my @res;
2743 local $_; 3305 local $_;
2744 local @safe::cf::_safe_eval_args = values %vars;
2745 3306
2746 my $eval = 3307 my $eval =
2747 "do {\n" 3308 "do {\n"
2748 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3309 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2749 . "#line 0 \"{$qcode}\"\n" 3310 . "#line 0 \"{$qcode}\"\n"
2750 . $code 3311 . $code
2751 . "\n}" 3312 . "\n}"
2752 ; 3313 ;
2753 3314
3315 if ($CFG{safe_eval}) {
2754 sub_generation_inc; 3316 sub_generation_inc;
3317 local @safe::cf::_safe_eval_args = values %vars;
2755 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3318 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2756 sub_generation_inc; 3319 sub_generation_inc;
3320 } else {
3321 local @cf::_safe_eval_args = values %vars;
3322 @res = wantarray ? eval eval : scalar eval $eval;
3323 }
2757 3324
2758 if ($@) { 3325 if ($@) {
2759 warn "$@"; 3326 warn "$@",
2760 warn "while executing safe code '$code'\n"; 3327 "while executing safe code '$code'\n",
2761 warn "with arguments " . (join " ", %vars) . "\n"; 3328 "with arguments " . (join " ", %vars) . "\n";
2762 } 3329 }
2763 3330
2764 wantarray ? @res : $res[0] 3331 wantarray ? @res : $res[0]
2765} 3332}
2766 3333
2780=cut 3347=cut
2781 3348
2782sub register_script_function { 3349sub register_script_function {
2783 my ($fun, $cb) = @_; 3350 my ($fun, $cb) = @_;
2784 3351
2785 no strict 'refs'; 3352 $fun = "safe::$fun" if $CFG{safe_eval};
2786 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3353 *$fun = $safe_hole->wrap ($cb);
2787} 3354}
2788 3355
2789=back 3356=back
2790 3357
2791=cut 3358=cut
2792 3359
2793############################################################################# 3360#############################################################################
2794# the server's init and main functions 3361# the server's init and main functions
2795 3362
3363# async inc loader. yay.
3364sub inc_loader {
3365 my $mod = $_[1];
3366
3367 if (in_main && !tick_inhibit) {
3368 Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
3369 } else {
3370 debug "loading perl module $mod\n";
3371 }
3372
3373 # 1. find real file
3374 for my $dir (@ORIG_INC) {
3375 ref $dir and next;
3376 0 <= Coro::AIO::aio_load "$dir/$mod", my $data
3377 or next;
3378
3379 $data = "#line 1 $dir/$mod\n$data";
3380
3381 open my $fh, "<", \$data or die;
3382
3383 return $fh;
3384 }
3385
3386 ()
3387}
3388
3389sub init_inc {
3390 # save original @INC
3391 @ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
3392
3393 # make sure we can do scalar-opens
3394 open my $dummy, "<", \my $dummy2;
3395
3396 # execute some stuff so perl load's some of the core modules
3397 /Ü/ =~ /ü/i;
3398 eval { &Storable::nstore_fd };
3399
3400 @INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
3401
3402 debug "module loading will be asynchronous from this point on.";
3403}
3404
2796sub load_facedata($) { 3405sub load_facedata($) {
2797 my ($path) = @_; 3406 my ($path) = @_;
2798 3407
3408 # HACK to clear player env face cache, we need some signal framework
3409 # for this (global event?)
3410 %ext::player_env::MUSIC_FACE_CACHE = ();
3411
3412 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3413
2799 warn "loading facedata from $path\n"; 3414 trace "loading facedata from $path\n";
2800 3415
2801 my $facedata; 3416 my $facedata;
2802 0 < aio_load $path, $facedata 3417 0 < aio_load $path, $facedata
2803 or die "$path: $!"; 3418 or die "$path: $!";
2804 3419
2805 $facedata = Coro::Storable::thaw $facedata; 3420 $facedata = Coro::Storable::thaw $facedata;
2806 3421
2807 $facedata->{version} == 2 3422 $facedata->{version} == 2
2808 or cf::cleanup "$path: version mismatch, cannot proceed."; 3423 or cf::cleanup "$path: version mismatch, cannot proceed.";
2809 3424
3425 # patch in the exptable
3426 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3427 $facedata->{resource}{"res/exp_table"} = {
3428 type => FT_RSRC,
3429 data => $exp_table,
3430 hash => (Digest::MD5::md5 $exp_table),
3431 };
3432 cf::cede_to_tick;
3433
2810 { 3434 {
2811 my $faces = $facedata->{faceinfo}; 3435 my $faces = $facedata->{faceinfo};
2812 3436
2813 while (my ($face, $info) = each %$faces) { 3437 while (my ($face, $info) = each %$faces) {
2814 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3438 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3439
2815 cf::face::set_visibility $idx, $info->{visibility}; 3440 cf::face::set_visibility $idx, $info->{visibility};
2816 cf::face::set_magicmap $idx, $info->{magicmap}; 3441 cf::face::set_magicmap $idx, $info->{magicmap};
2817 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3442 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2818 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3443 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2819 3444
2820 cf::cede_to_tick; 3445 cf::cede_to_tick;
2821 } 3446 }
2822 3447
2823 while (my ($face, $info) = each %$faces) { 3448 while (my ($face, $info) = each %$faces) {
2824 next unless $info->{smooth}; 3449 next unless $info->{smooth};
3450
2825 my $idx = cf::face::find $face 3451 my $idx = cf::face::find $face
2826 or next; 3452 or next;
3453
2827 if (my $smooth = cf::face::find $info->{smooth}) { 3454 if (my $smooth = cf::face::find $info->{smooth}) {
2828 cf::face::set_smooth $idx, $smooth; 3455 cf::face::set_smooth $idx, $smooth;
2829 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3456 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830 } else { 3457 } else {
2831 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3458 error "smooth face '$info->{smooth}' not found for face '$face'";
2832 } 3459 }
2833 3460
2834 cf::cede_to_tick; 3461 cf::cede_to_tick;
2835 } 3462 }
2836 } 3463 }
2845 3472
2846 cf::anim::invalidate_all; # d'oh 3473 cf::anim::invalidate_all; # d'oh
2847 } 3474 }
2848 3475
2849 { 3476 {
2850 # TODO: for gcfclient pleasure, we should give resources
2851 # that gcfclient doesn't grok a >10000 face index.
2852 my $res = $facedata->{resource}; 3477 my $res = $facedata->{resource};
2853 my $enc = JSON::XS->new->utf8->canonical;
2854 3478
2855 while (my ($name, $info) = each %$res) { 3479 while (my ($name, $info) = each %$res) {
2856 my $meta = $enc->encode ({ 3480 if (defined $info->{type}) {
2857 name => $name,
2858 type => $info->{type},
2859 copyright => $info->{copyright}, #TODO#
2860 });
2861
2862 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3481 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2863 3482
2864 if ($name =~ /\.jpg$/) {
2865 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack 3483 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2866 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack 3484 cf::face::set_type $idx, $info->{type};
2867 } else { 3485 } else {
2868 my $data = pack "(w/a*)*", $meta, $info->{data}; 3486 $RESOURCE{$name} = $info; # unused
2869 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871 cf::face::set_type $idx, 1;
2872 cf::face::set_data $idx, 0, $data, $chk;
2873 } 3487 }
2874 3488
2875 cf::cede_to_tick; 3489 cf::cede_to_tick;
2876 } 3490 }
2877 } 3491 }
2878 3492
3493 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3494
2879 1 3495 1
2880} 3496}
2881 3497
3498register_exticmd fx_want => sub {
3499 my ($ns, $want) = @_;
3500
3501 while (my ($k, $v) = each %$want) {
3502 $ns->fx_want ($k, $v);
3503 }
3504};
3505
3506sub load_resource_file($) {
3507 my $guard = lock_acquire "load_resource_file";
3508
3509 my $status = load_resource_file_ $_[0];
3510 get_slot 0.1, 100;
3511 cf::arch::commit_load;
3512
3513 $status
3514}
3515
2882sub reload_regions { 3516sub reload_regions {
3517 # HACK to clear player env face cache, we need some signal framework
3518 # for this (global event?)
3519 %ext::player_env::MUSIC_FACE_CACHE = ();
3520
2883 load_resource_file "$MAPDIR/regions" 3521 load_resource_file "$MAPDIR/regions"
2884 or die "unable to load regions file\n"; 3522 or die "unable to load regions file\n";
2885 3523
2886 for (cf::region::list) { 3524 for (cf::region::list) {
2887 $_->{match} = qr/$_->{match}/ 3525 $_->{match} = qr/$_->{match}/
2895} 3533}
2896 3534
2897sub reload_archetypes { 3535sub reload_archetypes {
2898 load_resource_file "$DATADIR/archetypes" 3536 load_resource_file "$DATADIR/archetypes"
2899 or die "unable to load archetypes\n"; 3537 or die "unable to load archetypes\n";
2900 #d# NEED to laod twice to resolve forward references
2901 # this really needs to be done in an extra post-pass
2902 # (which needs to be synchronous, so solve it differently)
2903 load_resource_file "$DATADIR/archetypes"
2904 or die "unable to load archetypes\n";
2905} 3538}
2906 3539
2907sub reload_treasures { 3540sub reload_treasures {
2908 load_resource_file "$DATADIR/treasures" 3541 load_resource_file "$DATADIR/treasures"
2909 or die "unable to load treasurelists\n"; 3542 or die "unable to load treasurelists\n";
2910} 3543}
2911 3544
3545sub reload_sound {
3546 trace "loading sound config from $DATADIR/sound\n";
3547
3548 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3549 or die "$DATADIR/sound $!";
3550
3551 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3552
3553 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3554 my $sound = $soundconf->{compat}[$_]
3555 or next;
3556
3557 my $face = cf::face::find "sound/$sound->[1]";
3558 cf::sound::set $sound->[0] => $face;
3559 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3560 }
3561
3562 while (my ($k, $v) = each %{$soundconf->{event}}) {
3563 my $face = cf::face::find "sound/$v";
3564 cf::sound::set $k => $face;
3565 }
3566}
3567
2912sub reload_resources { 3568sub reload_resources {
2913 warn "reloading resource files...\n"; 3569 trace "reloading resource files...\n";
2914 3570
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
2915 reload_regions; 3574 reload_regions;
2916 reload_facedata;
2917 #reload_archetypes;#d#
2918 reload_archetypes;
2919 reload_treasures; 3575 reload_treasures;
2920 3576
2921 warn "finished reloading resource files\n"; 3577 trace "finished reloading resource files\n";
2922} 3578}
2923 3579
2924sub init { 3580sub reload_config {
2925 reload_resources; 3581 trace "reloading config file...\n";
2926}
2927 3582
2928sub cfg_load {
2929 open my $fh, "<:utf8", "$CONFDIR/config" 3583 open my $fh, "<:utf8", "$CONFDIR/config"
2930 or return; 3584 or return;
2931 3585
2932 local $/; 3586 local $/;
2933 *CFG = YAML::Syck::Load <$fh>; 3587 *CFG = YAML::XS::Load scalar <$fh>;
2934 3588
2935 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2936 3590
2937 $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};
2938 $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};
2939 3593
2940 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
2942 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3596 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2943 and die "WARNING: m(un)lockall failed: $!\n"; 3597 and die "WARNING: m(un)lockall failed: $!\n";
2944 }; 3598 };
2945 warn $@ if $@; 3599 warn $@ if $@;
2946 } 3600 }
3601
3602 trace "finished reloading resource files\n";
3603}
3604
3605sub pidfile() {
3606 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3607 or die "$PIDFILE: $!";
3608 flock $fh, &Fcntl::LOCK_EX
3609 or die "$PIDFILE: flock: $!";
3610 $fh
3611}
3612
3613# make sure only one server instance is running at any one time
3614sub atomic {
3615 my $fh = pidfile;
3616
3617 my $pid = <$fh>;
3618 kill 9, $pid if $pid > 0;
3619
3620 seek $fh, 0, 0;
3621 print $fh $$;
3622}
3623
3624sub main_loop {
3625 trace "EV::loop starting\n";
3626 if (1) {
3627 EV::loop;
3628 }
3629 trace "EV::loop returned\n";
3630 goto &main_loop unless $REALLY_UNLOOP;
2947} 3631}
2948 3632
2949sub main { 3633sub main {
3634 cf::init_globals; # initialise logging
3635
3636 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3637 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3638 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3639 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3640
3641 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3642
2950 # we must not ever block the main coroutine 3643 # we must not ever block the main coroutine
2951 local $Coro::idle = sub { 3644 local $Coro::idle = sub {
2952 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3645 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953 (async { 3646 (async {
2954 Event::one_event; 3647 $Coro::current->{desc} = "IDLE BUG HANDLER";
3648 EV::loop EV::LOOP_ONESHOT;
2955 })->prio (Coro::PRIO_MAX); 3649 })->prio (Coro::PRIO_MAX);
2956 }; 3650 };
2957 3651
2958 cfg_load; 3652 evthread_start IO::AIO::poll_fileno;
3653
3654 cf::sync_job {
3655 init_inc;
3656
3657 cf::init_experience;
3658 cf::init_anim;
3659 cf::init_attackmess;
3660 cf::init_dynamic;
3661
3662 cf::load_settings;
3663 cf::load_materials;
3664
3665 reload_resources;
3666 reload_config;
2959 db_init; 3667 db_init;
3668
3669 cf::init_uuid;
3670 cf::init_signals;
3671 cf::init_skills;
3672
3673 cf::init_beforeplay;
3674
3675 atomic;
3676
2960 load_extensions; 3677 load_extensions;
2961 3678
2962 $TICK_WATCHER->start; 3679 utime time, time, $RUNTIMEFILE;
2963 Event::loop; 3680
3681 # no (long-running) fork's whatsoever before this point(!)
3682 use POSIX ();
3683 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3684
3685 (pop @POST_INIT)->(0) while @POST_INIT;
3686 };
3687
3688 cf::object::thawer::errors_are_fatal 0;
3689 info "parse errors in files are no longer fatal from this point on.\n";
3690
3691 my $free_main; $free_main = EV::idle sub {
3692 undef $free_main;
3693 undef &main; # free gobs of memory :)
3694 };
3695
3696 goto &main_loop;
2964} 3697}
2965 3698
2966############################################################################# 3699#############################################################################
2967# initialisation and cleanup 3700# initialisation and cleanup
2968 3701
2969# install some emergency cleanup handlers 3702# install some emergency cleanup handlers
2970BEGIN { 3703BEGIN {
3704 our %SIGWATCHER = ();
2971 for my $signal (qw(INT HUP TERM)) { 3705 for my $signal (qw(INT HUP TERM)) {
2972 Event->signal ( 3706 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2973 reentrant => 0,
2974 data => WF_AUTOCANCEL,
2975 signal => $signal,
2976 prio => 0,
2977 cb => sub {
2978 cf::cleanup "SIG$signal"; 3707 cf::cleanup "SIG$signal";
2979 },
2980 ); 3708 };
2981 } 3709 }
2982} 3710}
2983 3711
2984sub write_runtime { 3712sub write_runtime_sync {
2985 my $runtime = "$LOCALDIR/runtime"; 3713 my $t0 = AE::time;
2986 3714
2987 # first touch the runtime file to show we are still running: 3715 # first touch the runtime file to show we are still running:
2988 # the fsync below can take a very very long time. 3716 # the fsync below can take a very very long time.
2989 3717
2990 IO::AIO::aio_utime $runtime, undef, undef; 3718 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991 3719
2992 my $guard = cf::lock_acquire "write_runtime"; 3720 my $guard = cf::lock_acquire "write_runtime";
2993 3721
2994 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3722 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2995 or return; 3723 or return;
2996 3724
2997 my $value = $cf::RUNTIME + 90 + 10; 3725 my $value = $cf::RUNTIME + 90 + 10;
2998 # 10 is the runtime save interval, for a monotonic clock 3726 # 10 is the runtime save interval, for a monotonic clock
2999 # 60 allows for the watchdog to kill the server. 3727 # 60 allows for the watchdog to kill the server.
3009 aio_utime $fh, undef, undef; 3737 aio_utime $fh, undef, undef;
3010 3738
3011 close $fh 3739 close $fh
3012 or return; 3740 or return;
3013 3741
3014 aio_rename "$runtime~", $runtime 3742 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015 and return; 3743 and return;
3016 3744
3017 warn "runtime file written.\n"; 3745 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3018 3746
3019 1 3747 1
3748}
3749
3750our $uuid_lock;
3751our $uuid_skip;
3752
3753sub write_uuid_sync($) {
3754 $uuid_skip ||= $_[0];
3755
3756 return if $uuid_lock;
3757 local $uuid_lock = 1;
3758
3759 my $uuid = "$LOCALDIR/uuid";
3760
3761 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3762 or return;
3763
3764 my $value = uuid_seq uuid_cur;
3765
3766 unless ($value) {
3767 info "cowardly refusing to write zero uuid value!\n";
3768 return;
3769 }
3770
3771 my $value = uuid_str $value + $uuid_skip;
3772 $uuid_skip = 0;
3773
3774 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3775 and return;
3776
3777 # always fsync - this file is important
3778 aio_fsync $fh
3779 and return;
3780
3781 close $fh
3782 or return;
3783
3784 aio_rename "$uuid~", $uuid
3785 and return;
3786
3787 trace "uuid file written ($value).\n";
3788
3789 1
3790
3791}
3792
3793sub write_uuid($$) {
3794 my ($skip, $sync) = @_;
3795
3796 $sync ? write_uuid_sync $skip
3797 : async { write_uuid_sync $skip };
3020} 3798}
3021 3799
3022sub emergency_save() { 3800sub emergency_save() {
3023 my $freeze_guard = cf::freeze_mainloop; 3801 my $freeze_guard = cf::freeze_mainloop;
3024 3802
3025 warn "enter emergency perl save\n"; 3803 info "emergency_perl_save: enter\n";
3804
3805 # this is a trade-off: we want to be very quick here, so
3806 # save all maps without fsync, and later call a global sync
3807 # (which in turn might be very very slow)
3808 local $USE_FSYNC = 0;
3026 3809
3027 cf::sync_job { 3810 cf::sync_job {
3811 cf::write_runtime_sync; # external watchdog should not bark
3812
3028 # use a peculiar iteration method to avoid tripping on perl 3813 # use a peculiar iteration method to avoid tripping on perl
3029 # refcount bugs in for. also avoids problems with players 3814 # refcount bugs in for. also avoids problems with players
3030 # and maps saved/destroyed asynchronously. 3815 # and maps saved/destroyed asynchronously.
3031 warn "begin emergency player save\n"; 3816 info "emergency_perl_save: begin player save\n";
3032 for my $login (keys %cf::PLAYER) { 3817 for my $login (keys %cf::PLAYER) {
3033 my $pl = $cf::PLAYER{$login} or next; 3818 my $pl = $cf::PLAYER{$login} or next;
3034 $pl->valid or next; 3819 $pl->valid or next;
3820 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035 $pl->save; 3821 $pl->save;
3036 } 3822 }
3037 warn "end emergency player save\n"; 3823 info "emergency_perl_save: end player save\n";
3038 3824
3039 warn "begin emergency map save\n"; 3825 cf::write_runtime_sync; # external watchdog should not bark
3826
3827 info "emergency_perl_save: begin map save\n";
3040 for my $path (keys %cf::MAP) { 3828 for my $path (keys %cf::MAP) {
3041 my $map = $cf::MAP{$path} or next; 3829 my $map = $cf::MAP{$path} or next;
3042 $map->valid or next; 3830 $map->valid or next;
3043 $map->save; 3831 $map->save;
3044 } 3832 }
3045 warn "end emergency map save\n"; 3833 info "emergency_perl_save: end map save\n";
3046 3834
3047 warn "begin emergency database checkpoint\n"; 3835 cf::write_runtime_sync; # external watchdog should not bark
3836
3837 info "emergency_perl_save: begin database checkpoint\n";
3048 BDB::db_env_txn_checkpoint $DB_ENV; 3838 BDB::db_env_txn_checkpoint $DB_ENV;
3049 warn "end emergency database checkpoint\n"; 3839 info "emergency_perl_save: end database checkpoint\n";
3840
3841 info "emergency_perl_save: begin write uuid\n";
3842 write_uuid_sync 1;
3843 info "emergency_perl_save: end write uuid\n";
3844
3845 cf::write_runtime_sync; # external watchdog should not bark
3846
3847 trace "emergency_perl_save: syncing database to disk";
3848 BDB::db_env_txn_checkpoint $DB_ENV;
3849
3850 info "emergency_perl_save: starting sync\n";
3851 IO::AIO::aio_sync sub {
3852 info "emergency_perl_save: finished sync\n";
3853 };
3854
3855 cf::write_runtime_sync; # external watchdog should not bark
3856
3857 trace "emergency_perl_save: flushing outstanding aio requests";
3858 while (IO::AIO::nreqs || BDB::nreqs) {
3859 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3860 }
3861
3862 cf::write_runtime_sync; # external watchdog should not bark
3050 }; 3863 };
3051 3864
3052 warn "leave emergency perl save\n"; 3865 info "emergency_perl_save: leave\n";
3053} 3866}
3054 3867
3055sub post_cleanup { 3868sub post_cleanup {
3056 my ($make_core) = @_; 3869 my ($make_core) = @_;
3057 3870
3871 IO::AIO::flush;
3872
3058 warn Carp::longmess "post_cleanup backtrace" 3873 error Carp::longmess "post_cleanup backtrace"
3059 if $make_core; 3874 if $make_core;
3875
3876 my $fh = pidfile;
3877 unlink $PIDFILE if <$fh> == $$;
3878}
3879
3880# a safer delete_package, copied from Symbol
3881sub clear_package($) {
3882 my $pkg = shift;
3883
3884 # expand to full symbol table name if needed
3885 unless ($pkg =~ /^main::.*::$/) {
3886 $pkg = "main$pkg" if $pkg =~ /^::/;
3887 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3888 $pkg .= '::' unless $pkg =~ /::$/;
3889 }
3890
3891 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3892 my $stem_symtab = *{$stem}{HASH};
3893
3894 defined $stem_symtab and exists $stem_symtab->{$leaf}
3895 or return;
3896
3897 # clear all symbols
3898 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3899 for my $name (keys %$leaf_symtab) {
3900 _gv_clear *{"$pkg$name"};
3901# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3902 }
3060} 3903}
3061 3904
3062sub do_reload_perl() { 3905sub do_reload_perl() {
3063 # can/must only be called in main 3906 # can/must only be called in main
3064 if ($Coro::current != $Coro::main) { 3907 if (in_main) {
3065 warn "can only reload from main coroutine"; 3908 error "can only reload from main coroutine";
3066 return; 3909 return;
3067 } 3910 }
3068 3911
3912 return if $RELOAD++;
3913
3914 my $t1 = AE::time;
3915
3916 while ($RELOAD) {
3069 warn "reloading..."; 3917 info "reloading...";
3070 3918
3071 warn "entering sync_job"; 3919 trace "entering sync_job";
3072 3920
3073 cf::sync_job { 3921 cf::sync_job {
3074 cf::write_runtime; # external watchdog should not bark
3075 cf::emergency_save; 3922 cf::emergency_save;
3076 cf::write_runtime; # external watchdog should not bark
3077 3923
3078 warn "syncing database to disk";
3079 BDB::db_env_txn_checkpoint $DB_ENV;
3080
3081 # if anything goes wrong in here, we should simply crash as we already saved
3082
3083 warn "cancelling all WF_AUTOCANCEL watchers";
3084 for (Event::all_watchers) {
3085 $_->cancel if $_->data & WF_AUTOCANCEL;
3086 }
3087
3088 warn "flushing outstanding aio requests";
3089 for (;;) {
3090 BDB::flush;
3091 IO::AIO::flush;
3092 Coro::cede;
3093 last unless IO::AIO::nreqs || BDB::nreqs;
3094 warn "iterate...";
3095 }
3096
3097 ++$RELOAD;
3098
3099 warn "cancelling all extension coros"; 3924 trace "cancelling all extension coros";
3100 $_->cancel for values %EXT_CORO; 3925 $_->cancel for values %EXT_CORO;
3101 %EXT_CORO = (); 3926 %EXT_CORO = ();
3102 3927
3103 warn "removing commands"; 3928 trace "removing commands";
3104 %COMMAND = (); 3929 %COMMAND = ();
3105 3930
3106 warn "removing ext/exti commands"; 3931 trace "removing ext/exti commands";
3107 %EXTCMD = (); 3932 %EXTCMD = ();
3108 %EXTICMD = (); 3933 %EXTICMD = ();
3109 3934
3110 warn "unloading/nuking all extensions"; 3935 trace "unloading/nuking all extensions";
3111 for my $pkg (@EXTS) { 3936 for my $pkg (@EXTS) {
3112 warn "... unloading $pkg"; 3937 trace "... unloading $pkg";
3113 3938
3114 if (my $cb = $pkg->can ("unload")) { 3939 if (my $cb = $pkg->can ("unload")) {
3115 eval { 3940 eval {
3116 $cb->($pkg); 3941 $cb->($pkg);
3117 1 3942 1
3118 } or warn "$pkg unloaded, but with errors: $@"; 3943 } or error "$pkg unloaded, but with errors: $@";
3944 }
3945
3946 trace "... clearing $pkg";
3947 clear_package $pkg;
3119 } 3948 }
3120 3949
3121 warn "... nuking $pkg";
3122 Symbol::delete_package $pkg;
3123 }
3124
3125 warn "unloading all perl modules loaded from $LIBDIR"; 3950 trace "unloading all perl modules loaded from $LIBDIR";
3126 while (my ($k, $v) = each %INC) { 3951 while (my ($k, $v) = each %INC) {
3127 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3952 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128 3953
3129 warn "... unloading $k"; 3954 trace "... unloading $k";
3130 delete $INC{$k}; 3955 delete $INC{$k};
3131 3956
3132 $k =~ s/\.pm$//; 3957 $k =~ s/\.pm$//;
3133 $k =~ s/\//::/g; 3958 $k =~ s/\//::/g;
3134 3959
3135 if (my $cb = $k->can ("unload_module")) { 3960 if (my $cb = $k->can ("unload_module")) {
3136 $cb->(); 3961 $cb->();
3962 }
3963
3964 clear_package $k;
3137 } 3965 }
3138 3966
3139 Symbol::delete_package $k;
3140 }
3141
3142 warn "getting rid of safe::, as good as possible"; 3967 trace "getting rid of safe::, as good as possible";
3143 Symbol::delete_package "safe::$_" 3968 clear_package "safe::$_"
3144 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3969 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145 3970
3146 warn "unloading cf.pm \"a bit\""; 3971 trace "unloading cf.pm \"a bit\"";
3147 delete $INC{"cf.pm"}; 3972 delete $INC{"cf.pm"};
3148 delete $INC{"cf/pod.pm"}; 3973 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3149 3974
3150 # don't, removes xs symbols, too, 3975 # don't, removes xs symbols, too,
3151 # and global variables created in xs 3976 # and global variables created in xs
3152 #Symbol::delete_package __PACKAGE__; 3977 #clear_package __PACKAGE__;
3153 3978
3154 warn "unload completed, starting to reload now"; 3979 info "unload completed, starting to reload now";
3155 3980
3156 warn "reloading cf.pm"; 3981 trace "reloading cf.pm";
3157 require cf; 3982 require cf;
3158 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3983 cf::_connect_to_perl_1;
3159 3984
3160 warn "loading config and database again"; 3985 trace "loading config and database again";
3161 cf::cfg_load; 3986 cf::reload_config;
3162 3987
3163 warn "loading extensions"; 3988 trace "loading extensions";
3164 cf::load_extensions; 3989 cf::load_extensions;
3165 3990
3991 if ($REATTACH_ON_RELOAD) {
3166 warn "reattaching attachments to objects/players"; 3992 trace "reattaching attachments to objects/players";
3167 _global_reattach; # objects, sockets 3993 _global_reattach; # objects, sockets
3168 warn "reattaching attachments to maps"; 3994 trace "reattaching attachments to maps";
3169 reattach $_ for values %MAP; 3995 reattach $_ for values %MAP;
3170 warn "reattaching attachments to players"; 3996 trace "reattaching attachments to players";
3171 reattach $_ for values %PLAYER; 3997 reattach $_ for values %PLAYER;
3998 }
3172 3999
4000 trace "running post_init jobs";
4001 (pop @POST_INIT)->(1) while @POST_INIT;
4002
3173 warn "leaving sync_job"; 4003 trace "leaving sync_job";
3174 4004
3175 1 4005 1
3176 } or do { 4006 } or do {
3177 warn $@; 4007 error $@;
3178 warn "error while reloading, exiting."; 4008 cf::cleanup "error while reloading, exiting.";
3179 exit 1; 4009 };
4010
4011 info "reloaded";
4012 --$RELOAD;
3180 }; 4013 }
3181 4014
3182 warn "reloaded"; 4015 $t1 = AE::time - $t1;
4016 info "reload completed in ${t1}s\n";
3183}; 4017};
3184 4018
3185our $RELOAD_WATCHER; # used only during reload 4019our $RELOAD_WATCHER; # used only during reload
3186 4020
3187sub reload_perl() { 4021sub reload_perl() {
3188 # doing reload synchronously and two reloads happen back-to-back, 4022 # doing reload synchronously and two reloads happen back-to-back,
3189 # coro crashes during coro_state_free->destroy here. 4023 # coro crashes during coro_state_free->destroy here.
3190 4024
3191 $RELOAD_WATCHER ||= Event->timer ( 4025 $RELOAD_WATCHER ||= cf::async {
3192 reentrant => 0, 4026 Coro::AIO::aio_wait cache_extensions;
3193 after => 0, 4027
3194 data => WF_AUTOCANCEL, 4028 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3195 cb => sub {
3196 do_reload_perl; 4029 do_reload_perl;
3197 undef $RELOAD_WATCHER; 4030 undef $RELOAD_WATCHER;
3198 }, 4031 };
3199 ); 4032 };
3200} 4033}
3201 4034
3202register_command "reload" => sub { 4035register_command "reload" => sub {
3203 my ($who, $arg) = @_; 4036 my ($who, $arg) = @_;
3204 4037
3205 if ($who->flag (FLAG_WIZ)) { 4038 if ($who->flag (FLAG_WIZ)) {
3206 $who->message ("reloading server."); 4039 $who->message ("reloading server.");
4040 async {
4041 $Coro::current->{desc} = "perl_reload";
3207 async { reload_perl }; 4042 reload_perl;
4043 };
3208 } 4044 }
3209}; 4045};
3210 4046
3211unshift @INC, $LIBDIR; 4047#############################################################################
3212 4048
3213my $bug_warning = 0; 4049my $bug_warning = 0;
3214 4050
3215our @WAIT_FOR_TICK; 4051our @WAIT_FOR_TICK;
3216our @WAIT_FOR_TICK_BEGIN; 4052our @WAIT_FOR_TICK_BEGIN;
3217 4053
3218sub wait_for_tick { 4054sub wait_for_tick {
3219 return unless $TICK_WATCHER->is_active;
3220 return if $Coro::current == $Coro::main; 4055 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3221 4056
3222 my $signal = new Coro::Signal; 4057 my $signal = new Coro::Signal;
3223 push @WAIT_FOR_TICK, $signal; 4058 push @WAIT_FOR_TICK, $signal;
3224 $signal->wait; 4059 $signal->wait;
3225} 4060}
3226 4061
3227sub wait_for_tick_begin { 4062sub wait_for_tick_begin {
3228 return unless $TICK_WATCHER->is_active;
3229 return if $Coro::current == $Coro::main; 4063 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3230 4064
3231 my $signal = new Coro::Signal; 4065 my $signal = new Coro::Signal;
3232 push @WAIT_FOR_TICK_BEGIN, $signal; 4066 push @WAIT_FOR_TICK_BEGIN, $signal;
3233 $signal->wait; 4067 $signal->wait;
3234} 4068}
3235 4069
3236 my $min = 1e6;#d# 4070sub tick {
3237 my $avg = 10;
3238$TICK_WATCHER = Event->timer (
3239 reentrant => 0,
3240 parked => 1,
3241 prio => 0,
3242 at => $NEXT_TICK || $TICK,
3243 data => WF_AUTOCANCEL,
3244 cb => sub {
3245 if ($Coro::current != $Coro::main) { 4071 if ($Coro::current != $Coro::main) {
3246 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4072 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247 unless ++$bug_warning > 10; 4073 unless ++$bug_warning > 10;
3248 return; 4074 return;
3249 } 4075 }
3250 4076
3251 $NOW = $tick_start = Event::time;
3252
3253 cf::server_tick; # one server iteration 4077 cf::server_tick; # one server iteration
3254 4078
3255 0 && sync_job {#d# 4079 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3256 for(1..10) {
3257 my $t = Event::time;
3258 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3259 or die;
3260 4080
3261 $map->width (50); 4081 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3262 $map->height (50); 4082 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3263 $map->alloc; 4083 Coro::async_pool {
3264 $map->_load_objects ("/tmp/x.map", 1); 4084 $Coro::current->{desc} = "runtime saver";
3265 my $t = Event::time - $t; 4085 write_runtime_sync
3266 4086 or error "ERROR: unable to write runtime file: $!";
3267 #next unless $t < 0.0013;#d#
3268 if ($t < $min) {
3269 $min = $t;
3270 }
3271 $avg = $avg * 0.99 + $t * 0.01;
3272 }
3273 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274 exit 0;
3275 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276 }; 4087 };
4088 }
3277 4089
3278 $RUNTIME += $TICK;
3279 $NEXT_TICK += $TICK;
3280
3281 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282 $NEXT_RUNTIME_WRITE = $NOW + 10;
3283 Coro::async_pool {
3284 write_runtime
3285 or warn "ERROR: unable to write runtime file: $!";
3286 };
3287 }
3288
3289# my $AFTER = Event::time;
3290# warn $AFTER - $NOW;#d#
3291
3292 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4090 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293 $sig->send; 4091 $sig->send;
3294 } 4092 }
3295 while (my $sig = shift @WAIT_FOR_TICK) { 4093 while (my $sig = shift @WAIT_FOR_TICK) {
3296 $sig->send; 4094 $sig->send;
3297 } 4095 }
3298 4096
3299 $NOW = Event::time; 4097 $LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301 # if we are delayed by four ticks or more, skip them all
3302 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304 $TICK_WATCHER->at ($NEXT_TICK);
3305 $TICK_WATCHER->start;
3306
3307 $LOAD = ($NOW - $tick_start) / $TICK;
3308 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4098 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309 4099
3310 _post_tick; 4100 if (0) {
3311 4101 if ($NEXT_TICK) {
3312 4102 my $jitter = $TICK_START - $NEXT_TICK;
4103 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4104 debug "jitter $JITTER\n";#d#
4105 }
3313 }, 4106 }
3314); 4107}
3315 4108
3316{ 4109{
3317 BDB::max_poll_time $TICK * 0.1; 4110 # configure BDB
3318 $BDB_POLL_WATCHER = Event->io ( 4111
3319 reentrant => 0,
3320 fd => BDB::poll_fileno,
3321 poll => 'r',
3322 prio => 0,
3323 data => WF_AUTOCANCEL,
3324 cb => \&BDB::poll_cb,
3325 );
3326 BDB::min_parallel 8; 4112 BDB::min_parallel 16;
3327 4113 BDB::max_poll_reqs $TICK * 0.1;
3328 BDB::set_sync_prepare { 4114 $AnyEvent::BDB::WATCHER->priority (1);
3329 my $status;
3330 my $current = $Coro::current;
3331 (
3332 sub {
3333 $status = $!;
3334 $current->ready; undef $current;
3335 },
3336 sub {
3337 Coro::schedule while defined $current;
3338 $! = $status;
3339 },
3340 )
3341 };
3342 4115
3343 unless ($DB_ENV) { 4116 unless ($DB_ENV) {
3344 $DB_ENV = BDB::db_env_create; 4117 $DB_ENV = BDB::db_env_create;
4118 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4119 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4120 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4121 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4122 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345 4123
3346 cf::sync_job { 4124 cf::sync_job {
3347 eval { 4125 eval {
3348 BDB::db_env_open 4126 BDB::db_env_open
3349 $DB_ENV, 4127 $DB_ENV,
3351 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4129 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4130 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353 0666; 4131 0666;
3354 4132
3355 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4133 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358 $DB_ENV->set_lk_detect;
3359 }; 4134 };
3360 4135
3361 cf::cleanup "db_env_open(db): $@" if $@; 4136 cf::cleanup "db_env_open(db): $@" if $@;
3362 }; 4137 };
3363 } 4138 }
4139
4140 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4141 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4142 };
4143 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4144 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4145 };
4146 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4147 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4148 };
3364} 4149}
3365 4150
3366{ 4151{
4152 # configure IO::AIO
4153
3367 IO::AIO::min_parallel 8; 4154 IO::AIO::min_parallel 8;
3368
3369 undef $Coro::AIO::WATCHER;
3370 IO::AIO::max_poll_time $TICK * 0.1; 4155 IO::AIO::max_poll_time $TICK * 0.1;
3371 $AIO_POLL_WATCHER = Event->io ( 4156 undef $AnyEvent::AIO::WATCHER;
3372 reentrant => 0,
3373 data => WF_AUTOCANCEL,
3374 fd => IO::AIO::poll_fileno,
3375 poll => 'r',
3376 prio => 6,
3377 cb => \&IO::AIO::poll_cb,
3378 );
3379} 4157}
3380 4158
3381my $_log_backtrace; 4159my $_log_backtrace;
3382 4160
3383sub _log_backtrace { 4161sub _log_backtrace {
3386 $msg =~ s/\n//; 4164 $msg =~ s/\n//;
3387 4165
3388 # limit the # of concurrent backtraces 4166 # limit the # of concurrent backtraces
3389 if ($_log_backtrace < 2) { 4167 if ($_log_backtrace < 2) {
3390 ++$_log_backtrace; 4168 ++$_log_backtrace;
4169 my $perl_bt = Carp::longmess $msg;
3391 async { 4170 async {
4171 $Coro::current->{desc} = "abt $msg";
4172
3392 my @bt = fork_call { 4173 my @bt = fork_call {
3393 @addr = map { sprintf "%x", $_ } @addr; 4174 @addr = map { sprintf "%x", $_ } @addr;
3394 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4175 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4176 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396 or die "addr2line: $!"; 4177 or die "addr2line: $!";
3404 } 4185 }
3405 4186
3406 @funcs 4187 @funcs
3407 }; 4188 };
3408 4189
3409 LOG llevInfo, "[ABT] $msg\n"; 4190 LOG llevInfo, "[ABT] $perl_bt\n";
4191 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410 LOG llevInfo, "[ABT] $_\n" for @bt; 4192 LOG llevInfo, "[ABT] $_\n" for @bt;
3411 --$_log_backtrace; 4193 --$_log_backtrace;
3412 }; 4194 };
3413 } else { 4195 } else {
3414 LOG llevInfo, "[ABT] $msg\n"; 4196 LOG llevInfo, "[ABT] $msg\n";
3415 LOG llevInfo, "[ABT] [suppressed]\n"; 4197 LOG llevInfo, "[ABT] [suppressed]\n";
3416 } 4198 }
3417} 4199}
3418 4200
3419# load additional modules 4201# load additional modules
3420use cf::pod; 4202require "cf/$_.pm" for @EXTRA_MODULES;
4203cf::_connect_to_perl_2;
3421 4204
3422END { cf::emergency_save } 4205END { cf::emergency_save }
3423 4206
34241 42071
3425 4208

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