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Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your 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 GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
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; 56use Digest::MD5;
29use Fcntl; 57use Fcntl;
30use YAML::Syck (); 58use YAML ();
31use IO::AIO 2.32 (); 59use IO::AIO ();
32use Time::HiRes; 60use Time::HiRes;
33use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
34 65
35# configure various modules to our taste 66# configure various modules to our taste
36# 67#
37$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
38Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40 76
41$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
42 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44$YAML::Syck::ImplicitUnicode = 1;
45
46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47 79
48sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49 81
50our %COMMAND = (); 82our %COMMAND = ();
51our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
54our %EXTCMD = (); 86our %EXTCMD = ();
55our %EXTICMD = (); 87our %EXTICMD = ();
56our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
57our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
58 90
59our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
60our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
61 95
62our $CONFDIR = confdir; 96our $CONFDIR = confdir;
63our $DATADIR = datadir; 97our $DATADIR = datadir;
64our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
65our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
66our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
67our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
68our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
69our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
72our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
110our %RESOURCE;
73 111
74our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75our $TICK_WATCHER;
76our $AIO_POLL_WATCHER;
77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78our $NEXT_TICK; 114our $NEXT_TICK;
79our $NOW;
80our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
81 116
117our $BDB_DEADLOCK_WATCHER;
118our $BDB_CHECKPOINT_WATCHER;
82our $BDB_POLL_WATCHER; 119our $BDB_TRICKLE_WATCHER;
83our $DB_ENV; 120our $DB_ENV;
121
122our @EXTRA_MODULES = qw(pod mapscript);
84 123
85our %CFG; 124our %CFG;
86 125
87our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
88our $RUNTIME; 127our $RUNTIME;
128our $NOW;
89 129
90our %PLAYER; # all users 130our (%PLAYER, %PLAYER_LOADING); # all users
91our %MAP; # all maps 131our (%MAP, %MAP_LOADING ); # all maps
92our $LINK_MAP; # the special {link} map, which is always available 132our $LINK_MAP; # the special {link} map, which is always available
93 133
94# used to convert map paths into valid unix filenames by replacing / by ∕ 134# used to convert map paths into valid unix filenames by replacing / by ∕
95our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 135our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96 136
97our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
139our $JITTER; # average jitter
99our $tick_start; # for load detecting purposes 140our $TICK_START; # for load detecting purposes
141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
100 146
101binmode STDOUT; 147binmode STDOUT;
102binmode STDERR; 148binmode STDERR;
103 149
104# read virtual server time, if available 150# read virtual server time, if available
105unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
106 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
107 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
108 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
109} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
110 158
111mkdir $_ 159mkdir $_
112 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113 161
114our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
115 163
116sub cf::map::normalise; 164sub cf::map::normalise;
165
166#############################################################################
167
168%REFLECT = ();
169for (@REFLECT) {
170 my $reflect = JSON::XS::decode_json $_;
171 $REFLECT{$reflect->{class}} = $reflect;
172}
173
174# this is decidedly evil
175$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
117 176
118############################################################################# 177#############################################################################
119 178
120=head2 GLOBAL VARIABLES 179=head2 GLOBAL VARIABLES
121 180
157 216
158The raw value load value from the last tick. 217The raw value load value from the last tick.
159 218
160=item %cf::CFG 219=item %cf::CFG
161 220
162Configuration for the server, loaded from C</etc/crossfire/config>, or 221Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163from wherever your confdir points to. 222from wherever your confdir points to.
164 223
165=item cf::wait_for_tick, cf::wait_for_tick_begin 224=item cf::wait_for_tick, cf::wait_for_tick_begin
166 225
167These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 226These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168returns directly I<after> the tick processing (and consequently, can only wake one process 227returns directly I<after> the tick processing (and consequently, can only wake one process
169per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 228per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170 229
230=item @cf::INVOKE_RESULTS
231
232This array contains the results of the last C<invoke ()> call. When
233C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
234that call.
235
236=item %cf::REFLECT
237
238Contains, for each (C++) class name, a hash reference with information
239about object members (methods, scalars, arrays and flags) and other
240metadata, which is useful for introspection.
241
171=back 242=back
172 243
173=cut 244=cut
174 245
175BEGIN { 246$Coro::State::WARNHOOK = sub {
176 *CORE::GLOBAL::warn = sub {
177 my $msg = join "", @_; 247 my $msg = join "", @_;
178 248
179 $msg .= "\n" 249 $msg .= "\n"
180 unless $msg =~ /\n$/; 250 unless $msg =~ /\n$/;
181 251
182 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 252 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183 253
184 utf8::encode $msg;
185 LOG llevError, $msg; 254 LOG llevError, $msg;
186 }; 255};
187} 256
257$Coro::State::DIEHOOK = sub {
258 return unless $^S eq 0; # "eq", not "=="
259
260 warn Carp::longmess $_[0];
261
262 if ($Coro::current == $Coro::main) {#d#
263 warn "DIEHOOK called in main context, Coro bug?\n";#d#
264 return;#d#
265 }#d#
266
267 # kill coroutine otherwise
268 Coro::terminate
269};
188 270
189@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 271@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 272@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 273@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 274@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
199for my $pkg (qw( 281for my $pkg (qw(
200 cf::global cf::attachable 282 cf::global cf::attachable
201 cf::object cf::object::player 283 cf::object cf::object::player
202 cf::client cf::player 284 cf::client cf::player
203 cf::arch cf::living 285 cf::arch cf::living
286 cf::map cf::mapspace
204 cf::map cf::party cf::region 287 cf::party cf::region
205)) { 288)) {
206 no strict 'refs';
207 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208} 290}
209 291
210$Event::DIED = sub { 292$EV::DIED = sub {
211 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
212}; 294};
213 295
214############################################################################# 296#############################################################################
215 297
238 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 320 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239 $d 321 $d
240 } || "[unable to dump $_[0]: '$@']"; 322 } || "[unable to dump $_[0]: '$@']";
241} 323}
242 324
243=item $ref = cf::from_json $json 325=item $ref = cf::decode_json $json
244 326
245Converts a JSON string into the corresponding perl data structure. 327Converts a JSON string into the corresponding perl data structure.
246 328
247=item $json = cf::to_json $ref 329=item $json = cf::encode_json $ref
248 330
249Converts a perl data structure into its JSON representation. 331Converts a perl data structure into its JSON representation.
250 332
251=cut 333=cut
252 334
253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254 336
255sub to_json ($) { $json_coder->encode ($_[0]) } 337sub encode_json($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[0]) } 338sub decode_json($) { $json_coder->decode ($_[0]) }
339
340=item cf::post_init { BLOCK }
341
342Execute the given codeblock, I<after> all extensions have been (re-)loaded,
343but I<before> the server starts ticking again.
344
345The cdoeblock will have a single boolean argument to indicate whether this
346is a reload or not.
347
348=cut
349
350sub post_init(&) {
351 push @POST_INIT, shift;
352}
257 353
258=item cf::lock_wait $string 354=item cf::lock_wait $string
259 355
260Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
261 357
262=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
263 359
264Wait until the given lock is available and then acquires it and returns 360Wait until the given lock is available and then acquires it and returns
265a Coro::guard object. If the guard object gets destroyed (goes out of scope, 361a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
267returned. 363returned.
268 364
365Locks are *not* recursive, locking from the same coro twice results in a
366deadlocked coro.
367
269Lock names should begin with a unique identifier (for example, cf::map::find 368Lock names should begin with a unique identifier (for example, cf::map::find
270uses map_find and cf::map::load uses map_load). 369uses map_find and cf::map::load uses map_load).
271 370
272=item $locked = cf::lock_active $string 371=item $locked = cf::lock_active $string
273 372
274Return true if the lock is currently active, i.e. somebody has locked it. 373Return true if the lock is currently active, i.e. somebody has locked it.
275 374
276=cut 375=cut
277 376
278our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
279 378
280sub lock_wait($) { 379sub lock_wait($) {
281 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
282
283 # wait for lock, if any
284 while ($LOCK{$key}) {
285 push @{ $LOCK{$key} }, $Coro::current;
286 Coro::schedule;
287 }
288} 381}
289 382
290sub lock_acquire($) { 383sub lock_acquire($) {
291 my ($key) = @_; 384 $LOCKS->guard ($_[0])
292
293 # wait, to be sure we are not locked
294 lock_wait $key;
295
296 $LOCK{$key} = [];
297
298 Coro::guard {
299 # wake up all waiters, to be on the safe side
300 $_->ready for @{ delete $LOCK{$key} };
301 }
302} 385}
303 386
304sub lock_active($) { 387sub lock_active($) {
305 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
306
307 ! ! $LOCK{$key}
308} 389}
309 390
310sub freeze_mainloop { 391sub freeze_mainloop {
311 return unless $TICK_WATCHER->is_active; 392 tick_inhibit_inc;
312 393
313 my $guard = Coro::guard { 394 &Guard::guard (\&tick_inhibit_dec);
314 $TICK_WATCHER->start; 395}
396
397=item cf::periodic $interval, $cb
398
399Like EV::periodic, but randomly selects a starting point so that the actions
400get spread over timer.
401
402=cut
403
404sub periodic($$) {
405 my ($interval, $cb) = @_;
406
407 my $start = rand List::Util::min 180, $interval;
408
409 EV::periodic $start, $interval, 0, $cb
410}
411
412=item cf::get_slot $time[, $priority[, $name]]
413
414Allocate $time seconds of blocking CPU time at priority C<$priority>:
415This call blocks and returns only when you have at least C<$time> seconds
416of cpu time till the next tick. The slot is only valid till the next cede.
417
418The optional C<$name> can be used to identify the job to run. It might be
419used for statistical purposes and should identify the same time-class.
420
421Useful for short background jobs.
422
423=cut
424
425our @SLOT_QUEUE;
426our $SLOT_QUEUE;
427
428$SLOT_QUEUE->cancel if $SLOT_QUEUE;
429$SLOT_QUEUE = Coro::async {
430 $Coro::current->desc ("timeslot manager");
431
432 my $signal = new Coro::Signal;
433
434 while () {
435 next_job:
436 my $avail = cf::till_tick;
437 if ($avail > 0.01) {
438 for (0 .. $#SLOT_QUEUE) {
439 if ($SLOT_QUEUE[$_][0] < $avail) {
440 my $job = splice @SLOT_QUEUE, $_, 1, ();
441 $job->[2]->send;
442 Coro::cede;
443 goto next_job;
444 }
445 }
446 }
447
448 if (@SLOT_QUEUE) {
449 # we do not use wait_for_tick() as it returns immediately when tick is inactive
450 push @cf::WAIT_FOR_TICK, $signal;
451 $signal->wait;
452 } else {
453 Coro::schedule;
454 }
315 }; 455 }
316 $TICK_WATCHER->stop; 456};
317 $guard 457
458sub get_slot($;$$) {
459 return if tick_inhibit || $Coro::current == $Coro::main;
460
461 my ($time, $pri, $name) = @_;
462
463 $time = $TICK * .6 if $time > $TICK * .6;
464 my $sig = new Coro::Signal;
465
466 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
467 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
468 $SLOT_QUEUE->ready;
469 $sig->wait;
318} 470}
319 471
320=item cf::async { BLOCK } 472=item cf::async { BLOCK }
321 473
322Currently the same as Coro::async_pool, meaning you cannot use 474Currently the same as Coro::async_pool, meaning you cannot use
327 479
328BEGIN { *async = \&Coro::async_pool } 480BEGIN { *async = \&Coro::async_pool }
329 481
330=item cf::sync_job { BLOCK } 482=item cf::sync_job { BLOCK }
331 483
332The design of Crossfire TRT requires that the main coroutine ($Coro::main) 484The design of Deliantra requires that the main coroutine ($Coro::main)
333is always able to handle events or runnable, as Crossfire TRT is only 485is always able to handle events or runnable, as Deliantra is only
334partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 486partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335acceptable. 487acceptable.
336 488
337If it must be done, put the blocking parts into C<sync_job>. This will run 489If it must be done, put the blocking parts into C<sync_job>. This will run
338the given BLOCK in another coroutine while waiting for the result. The 490the given BLOCK in another coroutine while waiting for the result. The
343 495
344sub sync_job(&) { 496sub sync_job(&) {
345 my ($job) = @_; 497 my ($job) = @_;
346 498
347 if ($Coro::current == $Coro::main) { 499 if ($Coro::current == $Coro::main) {
348 my $time = Event::time; 500 my $time = EV::time;
349 501
350 # this is the main coro, too bad, we have to block 502 # this is the main coro, too bad, we have to block
351 # till the operation succeeds, freezing the server :/ 503 # till the operation succeeds, freezing the server :/
352 504
353 # TODO: use suspend/resume instead 505 LOG llevError, Carp::longmess "sync job";#d#
354 # (but this is cancel-safe) 506
355 my $freeze_guard = freeze_mainloop; 507 my $freeze_guard = freeze_mainloop;
356 508
357 my $busy = 1; 509 my $busy = 1;
358 my @res; 510 my @res;
359 511
360 (async { 512 (async {
513 $Coro::current->desc ("sync job coro");
361 @res = eval { $job->() }; 514 @res = eval { $job->() };
362 warn $@ if $@; 515 warn $@ if $@;
363 undef $busy; 516 undef $busy;
364 })->prio (Coro::PRIO_MAX); 517 })->prio (Coro::PRIO_MAX);
365 518
366 while ($busy) { 519 while ($busy) {
367 Coro::cede or Event::one_event; 520 if (Coro::nready) {
521 Coro::cede_notself;
522 } else {
523 EV::loop EV::LOOP_ONESHOT;
368 } 524 }
525 }
369 526
370 $time = Event::time - $time; 527 my $time = EV::time - $time;
371 528
372 LOG llevError | logBacktrace, Carp::longmess "long sync job"
373 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375 $tick_start += $time; # do not account sync jobs to server load 529 $TICK_START += $time; # do not account sync jobs to server load
376 530
377 wantarray ? @res : $res[0] 531 wantarray ? @res : $res[0]
378 } else { 532 } else {
379 # we are in another coroutine, how wonderful, everything just works 533 # we are in another coroutine, how wonderful, everything just works
380 534
405=item fork_call { }, $args 559=item fork_call { }, $args
406 560
407Executes the given code block with the given arguments in a seperate 561Executes the given code block with the given arguments in a seperate
408process, returning the results. Everything must be serialisable with 562process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may 563Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling. 564never block itself or use any form of event handling.
411 565
412=cut 566=cut
413
414sub _store_scalar {
415 open my $fh, ">", \my $buf
416 or die "fork_call: cannot open fh-to-buf in child : $!";
417 Storable::store_fd $_[0], $fh;
418 close $fh;
419
420 $buf
421}
422 567
423sub fork_call(&@) { 568sub fork_call(&@) {
424 my ($cb, @args) = @_; 569 my ($cb, @args) = @_;
425 570
426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 571 # we seemingly have to make a local copy of the whole thing,
427# or die "socketpair: $!"; 572 # otherwise perl prematurely frees the stuff :/
428 pipe my $fh1, my $fh2 573 # TODO: investigate and fix (likely this will be rather laborious)
429 or die "pipe: $!";
430 574
431 if (my $pid = fork) { 575 my @res = Coro::Util::fork_eval {
432 close $fh2;
433
434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435 warn "pst<$res>" unless $res =~ /^pst/;
436 $res = Coro::Storable::thaw $res;
437
438 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440 Carp::confess $$res unless "ARRAY" eq ref $res;
441
442 return wantarray ? @$res : $res->[-1];
443 } else {
444 reset_signals; 576 reset_signals;
445 local $SIG{__WARN__}; 577 &$cb
446 local $SIG{__DIE__}; 578 }, @args;
447 # just in case, this hack effectively disables event
448 # in the child. cleaner and slower would be canceling all watchers,
449 # but this works for the time being.
450 local $Coro::idle;
451 $Coro::current->prio (Coro::PRIO_MAX);
452 579
453 eval { 580 wantarray ? @res : $res[-1]
454 close $fh1; 581}
455 582
456 my @res = eval { $cb->(@args) }; 583=item $coin = coin_from_name $name
457 584
458 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res; 585=cut
459 close $fh2;
460 };
461 586
462 warn $@ if $@; 587our %coin_alias = (
463 _exit 0; 588 "silver" => "silvercoin",
464 } 589 "silvercoin" => "silvercoin",
590 "silvercoins" => "silvercoin",
591 "gold" => "goldcoin",
592 "goldcoin" => "goldcoin",
593 "goldcoins" => "goldcoin",
594 "platinum" => "platinacoin",
595 "platinumcoin" => "platinacoin",
596 "platinumcoins" => "platinacoin",
597 "platina" => "platinacoin",
598 "platinacoin" => "platinacoin",
599 "platinacoins" => "platinacoin",
600 "royalty" => "royalty",
601 "royalties" => "royalty",
602);
603
604sub coin_from_name($) {
605 $coin_alias{$_[0]}
606 ? cf::arch::find $coin_alias{$_[0]}
607 : undef
465} 608}
466 609
467=item $value = cf::db_get $family => $key 610=item $value = cf::db_get $family => $key
468 611
469Returns a single value from the environment database. 612Returns a single value from the environment database.
471=item cf::db_put $family => $key => $value 614=item cf::db_put $family => $key => $value
472 615
473Stores the given C<$value> in the family. It can currently store binary 616Stores the given C<$value> in the family. It can currently store binary
474data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 617data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475 618
619=item $db = cf::db_table "name"
620
621Create and/or open a new database table. The string must not be "db" and must be unique
622within each server.
623
476=cut 624=cut
625
626sub db_table($) {
627 my ($name) = @_;
628 my $db = BDB::db_create $DB_ENV;
629
630 eval {
631 $db->set_flags (BDB::CHKSUM);
632
633 utf8::encode $name;
634 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
635 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
636 cf::cleanup "db_open(db): $!" if $!;
637 };
638 cf::cleanup "db_open(db): $@" if $@;
639
640 $db
641}
477 642
478our $DB; 643our $DB;
479 644
480sub db_init { 645sub db_init {
481 unless ($DB) {
482 $DB = BDB::db_create $DB_ENV;
483
484 cf::sync_job { 646 cf::sync_job {
485 eval { 647 $DB ||= db_table "db";
486 $DB->set_flags (BDB::CHKSUM);
487
488 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490 cf::cleanup "db_open(db): $!" if $!;
491 };
492 cf::cleanup "db_open(db): $@" if $@;
493 };
494 } 648 };
495} 649}
496 650
497sub db_get($$) { 651sub db_get($$) {
498 my $key = "$_[0]/$_[1]"; 652 my $key = "$_[0]/$_[1]";
499 653
549 if (1) { 703 if (1) {
550 $md5 = 704 $md5 =
551 join "\x00", 705 join "\x00",
552 $processversion, 706 $processversion,
553 map { 707 map {
554 Coro::cede; 708 cf::cede_to_tick;
555 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 709 ($src->[$_], Digest::MD5::md5_hex $data[$_])
556 } 0.. $#$src; 710 } 0.. $#$src;
557 711
558 712
559 my $dbmd5 = db_get cache => "$id/md5"; 713 my $dbmd5 = db_get cache => "$id/md5";
597 751
598############################################################################# 752#############################################################################
599 753
600=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
601 755
602Many objects in crossfire are so-called attachable objects. That means you can 756Many objects in deliantra are so-called attachable objects. That means you can
603attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
604to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
605 759
606In the following description, CLASS can be any of C<global>, C<object> 760In the following description, CLASS can be any of C<global>, C<object>
607C<player>, C<client> or C<map> (i.e. the attachable objects in 761C<player>, C<client> or C<map> (i.e. the attachable objects in
608Crossfire TRT). 762Deliantra).
609 763
610=over 4 764=over 4
611 765
612=item $attachable->attach ($attachment, key => $value...) 766=item $attachable->attach ($attachment, key => $value...)
613 767
657=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
658 812
659Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
660given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
661 815
662Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
663that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
664 818
665These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
666 820
667=over 4 821=over 4
865 "; 1019 ";
866 die if $@; 1020 die if $@;
867} 1021}
868 1022
869our $override; 1023our $override;
870our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1024our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871 1025
872sub override { 1026sub override {
873 $override = 1; 1027 $override = 1;
874 @invoke_results = (); 1028 @INVOKE_RESULTS = (@_);
875} 1029}
876 1030
877sub do_invoke { 1031sub do_invoke {
878 my $event = shift; 1032 my $event = shift;
879 my $callbacks = shift; 1033 my $callbacks = shift;
880 1034
881 @invoke_results = (); 1035 @INVOKE_RESULTS = ();
882 1036
883 local $override; 1037 local $override;
884 1038
885 for (@$callbacks) { 1039 for (@$callbacks) {
886 eval { &{$_->[1]} }; 1040 eval { &{$_->[1]} };
895 } 1049 }
896 1050
897 0 1051 0
898} 1052}
899 1053
900=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1054=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901 1055
902=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1056=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903 1057
904Generate an object-specific event with the given arguments. 1058Generate an object-specific event with the given arguments.
905 1059
906This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1060This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907removed in future versions), and there is no public API to access override 1061removed in future versions), and there is no public API to access override
908results (if you must, access C<@cf::invoke_results> directly). 1062results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909 1063
910=back 1064=back
911 1065
912=cut 1066=cut
913 1067
914############################################################################# 1068#############################################################################
915# object support 1069# object support
1070
1071sub _object_equal($$);
1072sub _object_equal($$) {
1073 my ($a, $b) = @_;
1074
1075 return 0 unless (ref $a) eq (ref $b);
1076
1077 if ("HASH" eq ref $a) {
1078 my @ka = keys %$a;
1079 my @kb = keys %$b;
1080
1081 return 0 if @ka != @kb;
1082
1083 for (0 .. $#ka) {
1084 return 0 unless $ka[$_] eq $kb[$_];
1085 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1086 }
1087
1088 } elsif ("ARRAY" eq ref $a) {
1089
1090 return 0 if @$a != @$b;
1091
1092 for (0 .. $#$a) {
1093 return 0 unless _object_equal $a->[$_], $b->[$_];
1094 }
1095
1096 } elsif ($a ne $b) {
1097 return 0;
1098 }
1099
1100 1
1101}
1102
1103our $SLOW_MERGES;#d#
1104sub _can_merge {
1105 my ($ob1, $ob2) = @_;
1106
1107 ++$SLOW_MERGES;#d#
1108
1109 # we do the slow way here
1110 return _object_equal $ob1, $ob2
1111}
916 1112
917sub reattach { 1113sub reattach {
918 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
919 my ($obj) = @_; 1115 my ($obj) = @_;
920 1116
1117 # no longer needed after getting rid of delete_package?
921 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1118 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922 1119
923 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
924 1121
925 @$registry = (); 1122 @$registry = ();
926 1123
941cf::attachable->attach ( 1138cf::attachable->attach (
942 prio => -1000000, 1139 prio => -1000000,
943 on_instantiate => sub { 1140 on_instantiate => sub {
944 my ($obj, $data) = @_; 1141 my ($obj, $data) = @_;
945 1142
946 $data = from_json $data; 1143 $data = decode_json $data;
947 1144
948 for (@$data) { 1145 for (@$data) {
949 my ($name, $args) = @$_; 1146 my ($name, $args) = @$_;
950 1147
951 $obj->attach ($name, %{$args || {} }); 1148 $obj->attach ($name, %{$args || {} });
967sub object_freezer_save { 1164sub object_freezer_save {
968 my ($filename, $rdata, $objs) = @_; 1165 my ($filename, $rdata, $objs) = @_;
969 1166
970 sync_job { 1167 sync_job {
971 if (length $$rdata) { 1168 if (length $$rdata) {
1169 utf8::decode (my $decname = $filename);
972 warn sprintf "saving %s (%d,%d)\n", 1170 warn sprintf "saving %s (%d,%d)\n",
973 $filename, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
974 1172
975 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976 chmod SAVE_MODE, $fh; 1174 aio_chmod $fh, SAVE_MODE;
977 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978 aio_fsync $fh if $cf::USE_FSYNC; 1176 if ($cf::USE_FSYNC) {
1177 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;
1178 aio_fsync $fh;
1179 }
979 close $fh; 1180 aio_close $fh;
980 1181
981 if (@$objs) { 1182 if (@$objs) {
982 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1183 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983 chmod SAVE_MODE, $fh; 1184 aio_chmod $fh, SAVE_MODE;
984 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
986 aio_fsync $fh if $cf::USE_FSYNC; 1187 if ($cf::USE_FSYNC) {
1188 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;
1189 aio_fsync $fh;
1190 }
987 close $fh; 1191 aio_close $fh;
988 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
989 } 1193 }
990 } else { 1194 } else {
991 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
992 } 1196 }
993 1197
994 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
995 } else { 1202 } else {
996 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
997 } 1204 }
998 } else { 1205 } else {
999 aio_unlink $filename; 1206 aio_unlink $filename;
1000 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
1001 } 1208 }
1002 } 1209 };
1003} 1210}
1004 1211
1005sub object_freezer_as_string { 1212sub object_freezer_as_string {
1006 my ($rdata, $objs) = @_; 1213 my ($rdata, $objs) = @_;
1007 1214
1019 or return; 1226 or return;
1020 1227
1021 unless (aio_stat "$filename.pst") { 1228 unless (aio_stat "$filename.pst") {
1022 (aio_load "$filename.pst", $av) >= 0 1229 (aio_load "$filename.pst", $av) >= 0
1023 or return; 1230 or return;
1231
1024 $av = eval { (Storable::thaw $av)->{objs} }; 1232 my $st = eval { Coro::Storable::thaw $av };
1233 $av = $st->{objs};
1025 } 1234 }
1026 1235
1236 utf8::decode (my $decname = $filename);
1027 warn sprintf "loading %s (%d)\n", 1237 warn sprintf "loading %s (%d,%d)\n",
1028 $filename, length $data, scalar @{$av || []}; 1238 $decname, length $data, scalar @{$av || []};
1239
1029 return ($data, $av); 1240 ($data, $av)
1030} 1241}
1031 1242
1032=head2 COMMAND CALLBACKS 1243=head2 COMMAND CALLBACKS
1033 1244
1034=over 4 1245=over 4
1088 my ($name, $cb) = @_; 1299 my ($name, $cb) = @_;
1089 1300
1090 $EXTICMD{$name} = $cb; 1301 $EXTICMD{$name} = $cb;
1091} 1302}
1092 1303
1304use File::Glob ();
1305
1093cf::player->attach ( 1306cf::player->attach (
1094 on_command => sub { 1307 on_command => sub {
1095 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
1096 1309
1097 my $cb = $COMMAND{$name} 1310 my $cb = $COMMAND{$name}
1107 my ($pl, $buf) = @_; 1320 my ($pl, $buf) = @_;
1108 1321
1109 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1322 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110 1323
1111 if (ref $msg) { 1324 if (ref $msg) {
1325 my ($type, $reply, @payload) =
1326 "ARRAY" eq ref $msg
1327 ? @$msg
1328 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1329
1330 my @reply;
1331
1112 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1332 if (my $cb = $EXTCMD{$type}) {
1113 if (my %reply = $cb->($pl, $msg)) { 1333 @reply = $cb->($pl, @payload);
1114 $pl->ext_reply ($msg->{msgid}, %reply);
1115 }
1116 } 1334 }
1335
1336 $pl->ext_reply ($reply, @reply)
1337 if $reply;
1338
1117 } else { 1339 } else {
1118 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1340 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119 } 1341 }
1120 1342
1121 cf::override; 1343 cf::override;
1122 }, 1344 },
1123); 1345);
1346
1347# "readahead" all extensions
1348sub cache_extensions {
1349 my $grp = IO::AIO::aio_group;
1350
1351 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1352 for (grep /\.ext$/, @{$_[0]}) {
1353 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1354 }
1355 };
1356
1357 $grp
1358}
1124 1359
1125sub load_extensions { 1360sub load_extensions {
1126 cf::sync_job { 1361 cf::sync_job {
1127 my %todo; 1362 my %todo;
1128 1363
1148 1383
1149 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151 1386
1152 $ext{source} = 1387 $ext{source} =
1153 "package $pkg; use strict; use utf8;\n" 1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154 . "#line 1 \"$path\"\n{\n" 1389 . "#line 1 \"$path\"\n{\n"
1155 . $source 1390 . $source
1156 . "\n};\n1"; 1391 . "\n};\n1";
1157 1392
1158 $todo{$base} = \%ext; 1393 $todo{$base} = \%ext;
1174 my $msg = $@ ? "$v->{path}: $@\n" 1409 my $msg = $@ ? "$v->{path}: $@\n"
1175 : "$v->{base}: extension inactive.\n"; 1410 : "$v->{base}: extension inactive.\n";
1176 1411
1177 if (exists $v->{meta}{mandatory}) { 1412 if (exists $v->{meta}{mandatory}) {
1178 warn $msg; 1413 warn $msg;
1179 warn "mandatory extension failed to load, exiting.\n"; 1414 cf::cleanup "mandatory extension failed to load, exiting.";
1180 exit 1;
1181 } 1415 }
1182 1416
1183 warn $msg; 1417 warn $msg;
1184 } 1418 }
1185 1419
1199 1433
1200=back 1434=back
1201 1435
1202=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
1203 1437
1204Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
1205 1439
1206=cut 1440=cut
1207 1441
1208package cf::player; 1442package cf::player;
1209 1443
1210use Coro::AIO; 1444use Coro::AIO;
1211 1445
1212=head3 cf::player 1446=head3 cf::player
1213 1447
1214=over 4 1448=over 4
1449
1450=item cf::player::num_playing
1451
1452Returns the official number of playing players, as per the Crossfire metaserver rules.
1453
1454=cut
1455
1456sub num_playing {
1457 scalar grep
1458 $_->ob->map
1459 && !$_->hidden
1460 && !$_->ob->flag (cf::FLAG_WIZ),
1461 cf::player::list
1462}
1215 1463
1216=item cf::player::find $login 1464=item cf::player::find $login
1217 1465
1218Returns the given player object, loading it if necessary (might block). 1466Returns the given player object, loading it if necessary (might block).
1219 1467
1238 1486
1239sub exists($) { 1487sub exists($) {
1240 my ($login) = @_; 1488 my ($login) = @_;
1241 1489
1242 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1243 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1244} 1492}
1245 1493
1246sub find($) { 1494sub find($) {
1247 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1248 my $login = $_[0]; 1496 my $login = $_[0];
1255 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1503 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1504 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1505 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258 aio_unlink +(playerdir $login) . "/$login.pl"; 1506 aio_unlink +(playerdir $login) . "/$login.pl";
1259 1507
1260 my $pl = load_pl path $login 1508 my $f = new_from_file cf::object::thawer path $login
1261 or return; 1509 or return;
1510
1511 my $pl = cf::player::load_pl $f
1512 or return;
1513
1514 local $cf::PLAYER_LOADING{$login} = $pl;
1515 $f->resolve_delayed_derefs;
1262 $cf::PLAYER{$login} = $pl 1516 $cf::PLAYER{$login} = $pl
1263 } 1517 }
1264 } 1518 }
1265} 1519}
1266 1520
1275 return if $pl->{deny_save}; 1529 return if $pl->{deny_save};
1276 1530
1277 aio_mkdir playerdir $pl, 0770; 1531 aio_mkdir playerdir $pl, 0770;
1278 $pl->{last_save} = $cf::RUNTIME; 1532 $pl->{last_save} = $cf::RUNTIME;
1279 1533
1534 cf::get_slot 0.01;
1535
1280 $pl->save_pl ($path); 1536 $pl->save_pl ($path);
1281 Coro::cede; 1537 cf::cede_to_tick;
1282} 1538}
1283 1539
1284sub new($) { 1540sub new($) {
1285 my ($login) = @_; 1541 my ($login) = @_;
1286 1542
1292 $cf::PLAYER{$login} = $self; 1548 $cf::PLAYER{$login} = $self;
1293 1549
1294 $self 1550 $self
1295} 1551}
1296 1552
1553=item $player->send_msg ($channel, $msg, $color, [extra...])
1554
1555=cut
1556
1557sub send_msg {
1558 my $ns = shift->ns
1559 or return;
1560 $ns->send_msg (@_);
1561}
1562
1297=item $pl->quit_character 1563=item $pl->quit_character
1298 1564
1299Nukes the player without looking back. If logged in, the connection will 1565Nukes the player without looking back. If logged in, the connection will
1300be destroyed. May block for a long time. 1566be destroyed. May block for a long time.
1301 1567
1305 my ($pl) = @_; 1571 my ($pl) = @_;
1306 1572
1307 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1308 1574
1309 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1310 $pl->password ("*"); # this should lock out the player until we nuked the dir 1576 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1311 1577
1312 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313 $pl->deactivate; 1579 $pl->deactivate;
1580 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1581 $pl->ob->check_score;
1314 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1582 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1315 $pl->ns->destroy if $pl->ns; 1583 $pl->ns->destroy if $pl->ns;
1316 1584
1317 my $path = playerdir $pl; 1585 my $path = playerdir $pl;
1318 my $temp = "$path~$cf::RUNTIME~deleting~"; 1586 my $temp = "$path~$cf::RUNTIME~deleting~";
1354 or return []; 1622 or return [];
1355 1623
1356 my @logins; 1624 my @logins;
1357 1625
1358 for my $login (@$dirs) { 1626 for my $login (@$dirs) {
1627 my $path = path $login;
1628
1629 # a .pst is a dead give-away for a valid player
1630 # if no pst file found, open and chekc for blocked users
1631 if (aio_stat "$path.pst") {
1359 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1632 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360 aio_read $fh, 0, 512, my $buf, 0 or next; 1633 aio_read $fh, 0, 512, my $buf, 0 or next;
1361 $buf !~ /^password -------------$/m or next; # official not-valid tag 1634 $buf !~ /^password -------------$/m or next; # official not-valid tag
1635 }
1362 1636
1363 utf8::decode $login; 1637 utf8::decode $login;
1364 push @logins, $login; 1638 push @logins, $login;
1365 } 1639 }
1366 1640
1393 } 1667 }
1394 1668
1395 \@paths 1669 \@paths
1396} 1670}
1397 1671
1398=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399 1673
1400Expand crossfire pod fragments into protocol xml. 1674Expand deliantra pod fragments into protocol xml.
1401 1675
1402=cut
1403
1404sub expand_cfpod {
1405 ((my $self), (local $_)) = @_;
1406
1407 # escape & and <
1408 s/&/&amp;/g;
1409 s/(?<![BIUGH])</&lt;/g;
1410
1411 # this is buggy, it needs to properly take care of nested <'s
1412
1413 1 while
1414 # replace B<>, I<>, U<> etc.
1415 s/B<([^\>]*)>/<b>$1<\/b>/
1416 || s/I<([^\>]*)>/<i>$1<\/i>/
1417 || s/U<([^\>]*)>/<u>$1<\/u>/
1418 # replace G<male|female> tags
1419 || s{G<([^>|]*)\|([^>]*)>}{
1420 $self->gender ? $2 : $1
1421 }ge
1422 # replace H<hint text>
1423 || s{H<([^\>]*)>}
1424 {
1425 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427 "")
1428 [$self->{hintmode}]
1429 }ge;
1430
1431 # create single paragraphs (very hackish)
1432 s/(?<=\S)\n(?=\w)/ /g;
1433
1434 # compress some whitespace
1435 s/\s+\n/\n/g; # ws line-ends
1436 s/\n\n+/\n/g; # double lines
1437 s/^\n+//; # beginning lines
1438 s/\n+$//; # ending lines
1439
1440 $_
1441}
1442
1443sub hintmode {
1444 $_[0]{hintmode} = $_[1] if @_ > 1;
1445 $_[0]{hintmode}
1446}
1447
1448=item $player->ext_reply ($msgid, %msg) 1676=item $player->ext_reply ($msgid, @msg)
1449 1677
1450Sends an ext reply to the player. 1678Sends an ext reply to the player.
1451 1679
1452=cut 1680=cut
1453 1681
1454sub ext_reply($$%) { 1682sub ext_reply($$@) {
1455 my ($self, $id, %msg) = @_; 1683 my ($self, $id, @msg) = @_;
1456 1684
1457 $msg{msgid} = $id; 1685 $self->ns->ext_reply ($id, @msg)
1458 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459} 1686}
1460 1687
1461=item $player->ext_event ($type, %msg) 1688=item $player->ext_msg ($type, @msg)
1462 1689
1463Sends an ext event to the client. 1690Sends an ext event to the client.
1464 1691
1465=cut 1692=cut
1466 1693
1467sub ext_event($$%) { 1694sub ext_msg($$@) {
1468 my ($self, $type, %msg) = @_; 1695 my ($self, $type, @msg) = @_;
1469 1696
1470 $self->ns->ext_event ($type, %msg); 1697 $self->ns->ext_msg ($type, @msg);
1471} 1698}
1472 1699
1473=head3 cf::region 1700=head3 cf::region
1474 1701
1475=over 4 1702=over 4
1488 my ($path) = @_; 1715 my ($path) = @_;
1489 1716
1490 my ($match, $specificity); 1717 my ($match, $specificity);
1491 1718
1492 for my $region (list) { 1719 for my $region (list) {
1493 if ($region->match && $path =~ $region->match) { 1720 if ($region->{match} && $path =~ $region->{match}) {
1494 ($match, $specificity) = ($region, $region->specificity) 1721 ($match, $specificity) = ($region, $region->specificity)
1495 if $region->specificity > $specificity; 1722 if $region->specificity > $specificity;
1496 } 1723 }
1497 } 1724 }
1498 1725
1519our $MAX_RESET = 3600; 1746our $MAX_RESET = 3600;
1520our $DEFAULT_RESET = 3000; 1747our $DEFAULT_RESET = 3000;
1521 1748
1522sub generate_random_map { 1749sub generate_random_map {
1523 my ($self, $rmp) = @_; 1750 my ($self, $rmp) = @_;
1751
1752 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1753
1524 # mit "rum" bekleckern, nicht 1754 # mit "rum" bekleckern, nicht
1525 $self->_create_random_map ( 1755 $self->_create_random_map (
1526 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1756 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1757 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1758 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1618 $self->init; # pass $1 etc. 1848 $self->init; # pass $1 etc.
1619 return $self; 1849 return $self;
1620 } 1850 }
1621 } 1851 }
1622 1852
1623 Carp::carp "unable to resolve path '$path' (base '$base')."; 1853 Carp::cluck "unable to resolve path '$path' (base '$base').";
1624 () 1854 ()
1625} 1855}
1626 1856
1627sub init { 1857sub init {
1628 my ($self) = @_; 1858 my ($self) = @_;
1650 1880
1651# the temporary/swap location 1881# the temporary/swap location
1652sub save_path { 1882sub save_path {
1653 my ($self) = @_; 1883 my ($self) = @_;
1654 1884
1655 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1885 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656 "$TMPDIR/$path.map" 1886 "$TMPDIR/$path.map"
1657} 1887}
1658 1888
1659# the unique path, undef == no special unique path 1889# the unique path, undef == no special unique path
1660sub uniq_path { 1890sub uniq_path {
1661 my ($self) = @_; 1891 my ($self) = @_;
1662 1892
1663 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1665}
1666
1667# and all this just because we cannot iterate over
1668# all maps in C++...
1669sub change_all_map_light {
1670 my ($change) = @_;
1671
1672 $_->change_map_light ($change)
1673 for grep $_->outdoor, values %cf::MAP;
1674} 1895}
1675 1896
1676sub decay_objects { 1897sub decay_objects {
1677 my ($self) = @_; 1898 my ($self) = @_;
1678 1899
1691 1912
1692sub load_header_from($) { 1913sub load_header_from($) {
1693 my ($self, $path) = @_; 1914 my ($self, $path) = @_;
1694 1915
1695 utf8::encode $path; 1916 utf8::encode $path;
1696 #aio_open $path, O_RDONLY, 0 1917 my $f = new_from_file cf::object::thawer $path
1697 # or return;
1698
1699 $self->_load_header ($path)
1700 or return; 1918 or return;
1919
1920 $self->_load_header ($f)
1921 or return;
1922
1923 local $MAP_LOADING{$self->{path}} = $self;
1924 $f->resolve_delayed_derefs;
1701 1925
1702 $self->{load_path} = $path; 1926 $self->{load_path} = $path;
1703 1927
1704 1 1928 1
1705} 1929}
1759sub find { 1983sub find {
1760 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
1761 1985
1762 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
1763 1987
1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
1765 1990
1766 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
1767 my $guard = cf::lock_acquire "map_find:$path";
1768 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
1769 or return; 1993 or return;
1770 1994
1771 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
1772 1996
1774 or return; 1998 or return;
1775 1999
1776 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2000 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777 # doing this can freeze the server in a sync job, obviously 2001 # doing this can freeze the server in a sync job, obviously
1778 #$cf::WAIT_FOR_TICK->wait; 2002 #$cf::WAIT_FOR_TICK->wait;
2003 undef $guard2;
2004 undef $guard1;
1779 $map->reset; 2005 $map->reset;
1780 undef $guard;
1781 return find $path; 2006 return find $path;
1782 } 2007 }
1783 2008
1784 $cf::MAP{$path} = $map 2009 $cf::MAP{$path} = $map
1785 } 2010 }
1794 local $self->{deny_reset} = 1; # loading can take a long time 2019 local $self->{deny_reset} = 1; # loading can take a long time
1795 2020
1796 my $path = $self->{path}; 2021 my $path = $self->{path};
1797 2022
1798 { 2023 {
1799 my $guard = cf::lock_acquire "map_load:$path"; 2024 my $guard = cf::lock_acquire "map_data:$path";
1800 2025
2026 return unless $self->valid;
1801 return if $self->in_memory != cf::MAP_SWAPPED; 2027 return unless $self->in_memory == cf::MAP_SWAPPED;
1802 2028
1803 $self->in_memory (cf::MAP_LOADING); 2029 $self->in_memory (cf::MAP_LOADING);
1804 2030
1805 $self->alloc; 2031 $self->alloc;
1806 2032
1807 $self->pre_load; 2033 $self->pre_load;
1808 Coro::cede; 2034 cf::cede_to_tick;
1809 2035
2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2037 $f->skip_block;
1810 $self->_load_objects ($self->{load_path}, 1) 2038 $self->_load_objects ($f)
1811 or return; 2039 or return;
1812 2040
1813 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->post_load_original
1814 if delete $self->{load_original}; 2042 if delete $self->{load_original};
1815 2043
1816 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
1817 utf8::encode $uniq; 2045 utf8::encode $uniq;
1818 if (aio_open $uniq, O_RDONLY, 0) { 2046 unless (aio_stat $uniq) {
2047 if (my $f = new_from_file cf::object::thawer $uniq) {
1819 $self->clear_unique_items; 2048 $self->clear_unique_items;
1820 $self->_load_objects ($uniq, 0); 2049 $self->_load_objects ($f);
2050 $f->resolve_delayed_derefs;
2051 }
1821 } 2052 }
1822 } 2053 }
1823 2054
1824 Coro::cede; 2055 $f->resolve_delayed_derefs;
2056
2057 cf::cede_to_tick;
1825 # now do the right thing for maps 2058 # now do the right thing for maps
1826 $self->link_multipart_objects; 2059 $self->link_multipart_objects;
1827 $self->difficulty ($self->estimate_difficulty) 2060 $self->difficulty ($self->estimate_difficulty)
1828 unless $self->difficulty; 2061 unless $self->difficulty;
1829 Coro::cede; 2062 cf::cede_to_tick;
1830 2063
1831 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
1832 $self->decay_objects; 2065 $self->decay_objects;
1833 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
1834 $self->update_buttons; 2067 $self->update_buttons;
1835 Coro::cede; 2068 cf::cede_to_tick;
1836 $self->set_darkness_map;
1837 Coro::cede;
1838 $self->activate; 2069 $self->activate;
1839 } 2070 }
1840 2071
2072 $self->{last_save} = $cf::RUNTIME;
2073 $self->last_access ($cf::RUNTIME);
2074
1841 $self->in_memory (cf::MAP_IN_MEMORY); 2075 $self->in_memory (cf::MAP_ACTIVE);
1842 } 2076 }
1843 2077
1844 $self->post_load; 2078 $self->post_load;
1845} 2079}
1846 2080
1855 2089
1856 $self 2090 $self
1857} 2091}
1858 2092
1859# find and load all maps in the 3x3 area around a map 2093# find and load all maps in the 3x3 area around a map
1860sub load_diag { 2094sub load_neighbours {
1861 my ($map) = @_; 2095 my ($map) = @_;
1862 2096
1863 my @diag; # diagonal neighbours 2097 my @neigh; # diagonal neighbours
1864 2098
1865 for (0 .. 3) { 2099 for (0 .. 3) {
1866 my $neigh = $map->tile_path ($_) 2100 my $neigh = $map->tile_path ($_)
1867 or next; 2101 or next;
1868 $neigh = find $neigh, $map 2102 $neigh = find $neigh, $map
1869 or next; 2103 or next;
1870 $neigh->load; 2104 $neigh->load;
1871 2105
2106 push @neigh,
1872 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2107 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1873 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2108 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1874 } 2109 }
1875 2110
1876 for (@diag) { 2111 for (grep defined $_->[0], @neigh) {
2112 my ($path, $origin) = @$_;
1877 my $neigh = find @$_ 2113 my $neigh = find $path, $origin
1878 or next; 2114 or next;
1879 $neigh->load; 2115 $neigh->load;
1880 } 2116 }
1881} 2117}
1882 2118
1887} 2123}
1888 2124
1889sub do_load_sync { 2125sub do_load_sync {
1890 my ($map) = @_; 2126 my ($map) = @_;
1891 2127
2128 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2129 if $Coro::current == $Coro::main;
2130
1892 cf::sync_job { $map->load }; 2131 cf::sync_job { $map->load };
1893} 2132}
1894 2133
1895our %MAP_PREFETCH; 2134our %MAP_PREFETCH;
1896our $MAP_PREFETCHER = undef; 2135our $MAP_PREFETCHER = undef;
1897 2136
1898sub find_async { 2137sub find_async {
1899 my ($path, $origin) = @_; 2138 my ($path, $origin, $load) = @_;
1900 2139
1901 $path = normalise $path, $origin && $origin->{path}; 2140 $path = normalise $path, $origin && $origin->{path};
1902 2141
1903 if (my $map = $cf::MAP{$path}) { 2142 if (my $map = $cf::MAP{$path}) {
1904 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2143 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905 } 2144 }
1906 2145
1907 undef $MAP_PREFETCH{$path}; 2146 $MAP_PREFETCH{$path} |= $load;
2147
1908 $MAP_PREFETCHER ||= cf::async { 2148 $MAP_PREFETCHER ||= cf::async {
2149 $Coro::current->{desc} = "map prefetcher";
2150
1909 while (%MAP_PREFETCH) { 2151 while (%MAP_PREFETCH) {
1910 for my $path (keys %MAP_PREFETCH) { 2152 while (my ($k, $v) = each %MAP_PREFETCH) {
1911 my $map = find $path 2153 if (my $map = find $k) {
1912 or next;
1913 $map->load; 2154 $map->load if $v;
2155 }
1914 2156
1915 delete $MAP_PREFETCH{$path}; 2157 delete $MAP_PREFETCH{$k};
1916 } 2158 }
1917 } 2159 }
1918 undef $MAP_PREFETCHER; 2160 undef $MAP_PREFETCHER;
1919 }; 2161 };
1920 $MAP_PREFETCHER->prio (6); 2162 $MAP_PREFETCHER->prio (6);
1923} 2165}
1924 2166
1925sub save { 2167sub save {
1926 my ($self) = @_; 2168 my ($self) = @_;
1927 2169
1928 my $lock = cf::lock_acquire "map_data:" . $self->path; 2170 my $lock = cf::lock_acquire "map_data:$self->{path}";
1929 2171
1930 $self->{last_save} = $cf::RUNTIME; 2172 $self->{last_save} = $cf::RUNTIME;
1931 2173
1932 return unless $self->dirty; 2174 return unless $self->dirty;
1933 2175
1939 return if $self->{deny_save}; 2181 return if $self->{deny_save};
1940 2182
1941 local $self->{last_access} = $self->last_access;#d# 2183 local $self->{last_access} = $self->last_access;#d#
1942 2184
1943 cf::async { 2185 cf::async {
2186 $Coro::current->{desc} = "map player save";
1944 $_->contr->save for $self->players; 2187 $_->contr->save for $self->players;
1945 }; 2188 };
2189
2190 cf::get_slot 0.02;
1946 2191
1947 if ($uniq) { 2192 if ($uniq) {
1948 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2193 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2194 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1950 } else { 2195 } else {
1956 my ($self) = @_; 2201 my ($self) = @_;
1957 2202
1958 # save first because save cedes 2203 # save first because save cedes
1959 $self->save; 2204 $self->save;
1960 2205
1961 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1962 2207
1963 return if $self->players; 2208 return if $self->players;
1964 return if $self->in_memory != cf::MAP_IN_MEMORY; 2209 return if $self->in_memory != cf::MAP_ACTIVE;
1965 return if $self->{deny_save}; 2210 return if $self->{deny_save};
1966 2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 $self->deactivate;
2215 $_->clear_links_to ($self) for values %cf::MAP;
1967 $self->clear; 2216 $self->clear;
1968 $self->in_memory (cf::MAP_SWAPPED);
1969} 2217}
1970 2218
1971sub reset_at { 2219sub reset_at {
1972 my ($self) = @_; 2220 my ($self) = @_;
1973 2221
1991 2239
1992 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
1993 2241
1994 return if $self->players; 2242 return if $self->players;
1995 2243
1996 warn "resetting map ", $self->path; 2244 warn "resetting map ", $self->path, "\n";
1997 2245
1998 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
1999 2247
2000 # need to save uniques path 2248 # need to save uniques path
2001 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
2005 if $uniq; 2253 if $uniq;
2006 } 2254 }
2007 2255
2008 delete $cf::MAP{$self->path}; 2256 delete $cf::MAP{$self->path};
2009 2257
2258 $self->deactivate;
2259 $_->clear_links_to ($self) for values %cf::MAP;
2010 $self->clear; 2260 $self->clear;
2011
2012 $_->clear_links_to ($self) for values %cf::MAP;
2013 2261
2014 $self->unlink_save; 2262 $self->unlink_save;
2015 $self->destroy; 2263 $self->destroy;
2016} 2264}
2017 2265
2018my $nuke_counter = "aaaa"; 2266my $nuke_counter = "aaaa";
2019 2267
2020sub nuke { 2268sub nuke {
2021 my ($self) = @_; 2269 my ($self) = @_;
2022 2270
2271 {
2272 my $lock = cf::lock_acquire "map_data:$self->{path}";
2273
2023 delete $cf::MAP{$self->path}; 2274 delete $cf::MAP{$self->path};
2024 2275
2025 $self->unlink_save; 2276 $self->unlink_save;
2026 2277
2027 bless $self, "cf::map"; 2278 bless $self, "cf::map";
2028 delete $self->{deny_reset}; 2279 delete $self->{deny_reset};
2029 $self->{deny_save} = 1; 2280 $self->{deny_save} = 1;
2030 $self->reset_timeout (1); 2281 $self->reset_timeout (1);
2031 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2282 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032 2283
2033 $cf::MAP{$self->path} = $self; 2284 $cf::MAP{$self->path} = $self;
2285 }
2034 2286
2035 $self->reset; # polite request, might not happen 2287 $self->reset; # polite request, might not happen
2036} 2288}
2037 2289
2038=item $maps = cf::map::tmp_maps 2290=item $maps = cf::map::tmp_maps
2080 2332
2081sub unique_maps() { 2333sub unique_maps() {
2082 [ 2334 [
2083 map { 2335 map {
2084 utf8::decode $_; 2336 utf8::decode $_;
2085 /\.map$/ 2337 s/\.map$//; # TODO future compatibility hack
2338 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2339 ? ()
2086 ? normalise $_ 2340 : normalise $_
2087 : ()
2088 } @{ aio_readdir $UNIQUEDIR or [] } 2341 } @{ aio_readdir $UNIQUEDIR or [] }
2089 ] 2342 ]
2090} 2343}
2091 2344
2092package cf;
2093
2094=back 2345=back
2095 2346
2096=head3 cf::object 2347=head3 cf::object
2097 2348
2098=cut 2349=cut
2101 2352
2102=over 4 2353=over 4
2103 2354
2104=item $ob->inv_recursive 2355=item $ob->inv_recursive
2105 2356
2106Returns the inventory of the object _and_ their inventories, recursively. 2357Returns the inventory of the object I<and> their inventories, recursively,
2358but I<not> the object itself.
2107 2359
2108=cut 2360=cut
2109 2361
2110sub inv_recursive_; 2362sub inv_recursive_;
2111sub inv_recursive_ { 2363sub inv_recursive_ {
2114 2366
2115sub inv_recursive { 2367sub inv_recursive {
2116 inv_recursive_ inv $_[0] 2368 inv_recursive_ inv $_[0]
2117} 2369}
2118 2370
2371=item $ref = $ob->ref
2372
2373Creates and returns a persistent reference to an object that can be stored as a string.
2374
2375=item $ob = cf::object::deref ($refstring)
2376
2377returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378even if the object actually exists. May block.
2379
2380=cut
2381
2382sub deref {
2383 my ($ref) = @_;
2384
2385 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2386 my ($uuid, $name) = ($1, $2);
2387 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2388 or return;
2389 $pl->ob->uuid eq $uuid
2390 or return;
2391
2392 $pl->ob
2393 } else {
2394 warn "$ref: cannot resolve object reference\n";
2395 undef
2396 }
2397}
2398
2119package cf; 2399package cf;
2120 2400
2121=back 2401=back
2122 2402
2123=head3 cf::object::player 2403=head3 cf::object::player
2129Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2409Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130can be C<undef>. Does the right thing when the player is currently in a 2410can be C<undef>. Does the right thing when the player is currently in a
2131dialogue with the given NPC character. 2411dialogue with the given NPC character.
2132 2412
2133=cut 2413=cut
2414
2415our $SAY_CHANNEL = {
2416 id => "say",
2417 title => "Map",
2418 reply => "say ",
2419 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2420};
2421
2422our $CHAT_CHANNEL = {
2423 id => "chat",
2424 title => "Chat",
2425 reply => "chat ",
2426 tooltip => "Player chat and shouts, global to the server.",
2427};
2134 2428
2135# rough implementation of a future "reply" method that works 2429# rough implementation of a future "reply" method that works
2136# with dialog boxes. 2430# with dialog boxes.
2137#TODO: the first argument must go, split into a $npc->reply_to ( method 2431#TODO: the first argument must go, split into a $npc->reply_to ( method
2138sub cf::object::player::reply($$$;$) { 2432sub cf::object::player::reply($$$;$) {
2145 2439
2146 } else { 2440 } else {
2147 my $pl = $self->contr; 2441 my $pl = $self->contr;
2148 2442
2149 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2443 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150 my $diag = $pl->{npc_dialog}; 2444 my $dialog = $pl->{npc_dialog};
2151 $diag->{pl}->ext_reply ( 2445 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152 $diag->{id},
2153 msgtype => "reply",
2154 msg => $diag->{pl}->expand_cfpod ($msg),
2155 add_topics => []
2156 );
2157 2446
2158 } else { 2447 } else {
2159 $msg = $npc->name . " says: $msg" if $npc; 2448 $msg = $npc->name . " says: $msg" if $npc;
2160 $self->message ($msg, $flags); 2449 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161 } 2450 }
2162 } 2451 }
2452}
2453
2454=item $object->send_msg ($channel, $msg, $color, [extra...])
2455
2456=cut
2457
2458sub cf::object::send_msg {
2459 my $pl = shift->contr
2460 or return;
2461 $pl->send_msg (@_);
2163} 2462}
2164 2463
2165=item $player_object->may ("access") 2464=item $player_object->may ("access")
2166 2465
2167Returns wether the given player is authorized to access resource "access" 2466Returns wether the given player is authorized to access resource "access"
2180 2479
2181=item $player_object->enter_link 2480=item $player_object->enter_link
2182 2481
2183Freezes the player and moves him/her to a special map (C<{link}>). 2482Freezes the player and moves him/her to a special map (C<{link}>).
2184 2483
2185The player should be reasonably safe there for short amounts of time. You 2484The player should be reasonably safe there for short amounts of time (e.g.
2186I<MUST> call C<leave_link> as soon as possible, though. 2485for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2486though, as the palyer cannot control the character while it is on the link
2487map.
2187 2488
2188Will never block. 2489Will never block.
2189 2490
2190=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
2191 2492
2246 # use -1 or undef as default coordinates, not 0, 0 2547 # use -1 or undef as default coordinates, not 0, 0
2247 ($x, $y) = ($map->enter_x, $map->enter_y) 2548 ($x, $y) = ($map->enter_x, $map->enter_y)
2248 if $x <=0 && $y <= 0; 2549 if $x <=0 && $y <= 0;
2249 2550
2250 $map->load; 2551 $map->load;
2251 $map->load_diag; 2552 $map->load_neighbours;
2252 2553
2253 return unless $self->contr->active; 2554 return unless $self->contr->active;
2254 $self->activate_recursive;
2255 2555
2256 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
2258}
2259 2558
2559 # only activate afterwards, to support waiting in hooks
2560 $self->activate_recursive;
2561}
2562
2260=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261 2564
2262Moves the player to the given map-path and coordinates by first freezing 2565Moves the player to the given map-path and coordinates by first freezing
2263her, loading and preparing them map, calling the provided $check callback 2566her, loading and preparing them map, calling the provided $check callback
2264that has to return the map if sucecssful, and then unfreezes the player on 2567that has to return the map if sucecssful, and then unfreezes the player on
2265the new (success) or old (failed) map position. 2568the new (success) or old (failed) map position. In either case, $done will
2569be called at the end of this process.
2570
2571Note that $check will be called with a potentially non-loaded map, so if
2572it needs a loaded map it has to call C<< ->load >>.
2266 2573
2267=cut 2574=cut
2268 2575
2269our $GOTOGEN; 2576our $GOTOGEN;
2270 2577
2271sub cf::object::player::goto { 2578sub cf::object::player::goto {
2272 my ($self, $path, $x, $y, $check) = @_; 2579 my ($self, $path, $x, $y, $check, $done) = @_;
2273 2580
2274 # do generation counting so two concurrent goto's will be executed in-order 2581 # do generation counting so two concurrent goto's will be executed in-order
2275 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2582 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276 2583
2277 $self->enter_link; 2584 $self->enter_link;
2278 2585
2279 (async { 2586 (async {
2587 $Coro::current->{desc} = "player::goto $path $x $y";
2588
2589 # *tag paths override both path and x|y
2590 if ($path =~ /^\*(.*)$/) {
2591 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2592 my $ob = $obs[rand @obs];
2593
2594 # see if we actually can go there
2595 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2596 $ob = $obs[rand @obs];
2597 } else {
2598 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2599 }
2600 # else put us there anyways for now #d#
2601
2602 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2603 } else {
2604 ($path, $x, $y) = (undef, undef, undef);
2605 }
2606 }
2607
2280 my $map = eval { 2608 my $map = eval {
2281 my $map = cf::map::find $path; 2609 my $map = defined $path ? cf::map::find $path : undef;
2282 2610
2283 if ($map) { 2611 if ($map) {
2284 $map = $map->customise_for ($self); 2612 $map = $map->customise_for ($self);
2285 $map = $check->($map) if $check && $map; 2613 $map = $check->($map) if $check && $map;
2286 } else { 2614 } else {
2287 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2615 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288 } 2616 }
2289 2617
2290 $map 2618 $map
2291 }; 2619 };
2292 2620
2297 2625
2298 if ($gen == $self->{_goto_generation}) { 2626 if ($gen == $self->{_goto_generation}) {
2299 delete $self->{_goto_generation}; 2627 delete $self->{_goto_generation};
2300 $self->leave_link ($map, $x, $y); 2628 $self->leave_link ($map, $x, $y);
2301 } 2629 }
2630
2631 $done->() if $done;
2302 })->prio (1); 2632 })->prio (1);
2303} 2633}
2304 2634
2305=item $player_object->enter_exit ($exit_object) 2635=item $player_object->enter_exit ($exit_object)
2306 2636
2326} 2656}
2327 2657
2328sub prepare_random_map { 2658sub prepare_random_map {
2329 my ($exit) = @_; 2659 my ($exit) = @_;
2330 2660
2331 my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333 # all this does is basically replace the /! path by 2661 # all this does is basically replace the /! path by
2334 # a new random map path (?random/...) with a seed 2662 # a new random map path (?random/...) with a seed
2335 # that depends on the exit object 2663 # that depends on the exit object
2336 2664
2337 my $rmp = parse_random_map_params $exit->msg; 2665 my $rmp = parse_random_map_params $exit->msg;
2339 if ($exit->map) { 2667 if ($exit->map) {
2340 $rmp->{region} = $exit->region->name; 2668 $rmp->{region} = $exit->region->name;
2341 $rmp->{origin_map} = $exit->map->path; 2669 $rmp->{origin_map} = $exit->map->path;
2342 $rmp->{origin_x} = $exit->x; 2670 $rmp->{origin_x} = $exit->x;
2343 $rmp->{origin_y} = $exit->y; 2671 $rmp->{origin_y} = $exit->y;
2672
2673 $exit->map->touch;
2344 } 2674 }
2345 2675
2346 $rmp->{random_seed} ||= $exit->random_seed; 2676 $rmp->{random_seed} ||= $exit->random_seed;
2347 2677
2348 my $data = cf::to_json $rmp; 2678 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349 my $md5 = Digest::MD5::md5_hex $data; 2679 my $md5 = Digest::MD5::md5_hex $data;
2350 my $meta = "$RANDOMDIR/$md5.meta"; 2680 my $meta = "$RANDOMDIR/$md5.meta";
2351 2681
2352 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2682 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353 aio_write $fh, 0, (length $data), $data, 0; 2683 aio_write $fh, 0, (length $data), $data, 0;
2354 undef $fh; 2684 undef $fh;
2355 aio_rename "$meta~", $meta; 2685 aio_rename "$meta~", $meta;
2356 2686
2687 my $slaying = "?random/$md5";
2688
2689 if ($exit->valid) {
2357 $exit->slaying ("?random/$md5"); 2690 $exit->slaying ("?random/$md5");
2358 $exit->msg (undef); 2691 $exit->msg (undef);
2692 }
2359 } 2693 }
2360} 2694}
2361 2695
2362sub cf::object::player::enter_exit { 2696sub cf::object::player::enter_exit {
2363 my ($self, $exit) = @_; 2697 my ($self, $exit) = @_;
2364 2698
2365 return unless $self->type == cf::PLAYER; 2699 return unless $self->type == cf::PLAYER;
2366 2700
2367 if ($exit->slaying eq "/!") {
2368 #TODO: this should de-fi-ni-te-ly not be a sync-job
2369 # the problem is that $exit might not survive long enough
2370 # so it needs to be done right now, right here
2371 cf::sync_job { prepare_random_map $exit };
2372 }
2373
2374 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375 my $hp = $exit->stats->hp;
2376 my $sp = $exit->stats->sp;
2377
2378 $self->enter_link; 2701 $self->enter_link;
2379 2702
2380 # if exit is damned, update players death & WoR home-position
2381 $self->contr->savebed ($slaying, $hp, $sp)
2382 if $exit->flag (FLAG_DAMNED);
2383
2384 (async { 2703 (async {
2385 $self->deactivate_recursive; # just to be sure 2704 $Coro::current->{desc} = "enter_exit";
2705
2386 unless (eval { 2706 unless (eval {
2707 $self->deactivate_recursive; # just to be sure
2708
2709 # random map handling
2710 {
2711 my $guard = cf::lock_acquire "exit_prepare:$exit";
2712
2713 prepare_random_map $exit
2714 if $exit->slaying eq "/!";
2715 }
2716
2717 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2718 my $x = $exit->stats->hp;
2719 my $y = $exit->stats->sp;
2720
2387 $self->goto ($slaying, $hp, $sp); 2721 $self->goto ($map, $x, $y);
2388 2722
2723 # if exit is damned, update players death & WoR home-position
2724 $self->contr->savebed ($map, $x, $y)
2725 if $exit->flag (cf::FLAG_DAMNED);
2726
2389 1; 2727 1
2390 }) { 2728 }) {
2391 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2392 . "I'll try to bring you back to the map you were before. " 2730 . "I'll try to bring you back to the map you were before. "
2393 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2394 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2395 2733
2396 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
2415 2753
2416 utf8::encode $text; 2754 utf8::encode $text;
2417 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2755 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418} 2756}
2419 2757
2420=item $client->send_msg ($color, $type, $msg, [extra...]) 2758=item $client->send_msg ($channel, $msg, $color, [extra...])
2421 2759
2422Send a drawinfo or msg packet to the client, formatting the msg for the 2760Send a drawinfo or msg packet to the client, formatting the msg for the
2423client if neccessary. C<$type> should be a string identifying the type of 2761client if neccessary. C<$type> should be a string identifying the type of
2424the message, with C<log> being the default. If C<$color> is negative, suppress 2762the message, with C<log> being the default. If C<$color> is negative, suppress
2425the message unless the client supports the msg packet. 2763the message unless the client supports the msg packet.
2426 2764
2427=cut 2765=cut
2428 2766
2767# non-persistent channels (usually the info channel)
2768our %CHANNEL = (
2769 "c/identify" => {
2770 id => "infobox",
2771 title => "Identify",
2772 reply => undef,
2773 tooltip => "Items recently identified",
2774 },
2775 "c/examine" => {
2776 id => "infobox",
2777 title => "Examine",
2778 reply => undef,
2779 tooltip => "Signs and other items you examined",
2780 },
2781 "c/book" => {
2782 id => "infobox",
2783 title => "Book",
2784 reply => undef,
2785 tooltip => "The contents of a note or book",
2786 },
2787 "c/lookat" => {
2788 id => "infobox",
2789 title => "Look",
2790 reply => undef,
2791 tooltip => "What you saw there",
2792 },
2793 "c/who" => {
2794 id => "infobox",
2795 title => "Players",
2796 reply => undef,
2797 tooltip => "Shows players who are currently online",
2798 },
2799 "c/body" => {
2800 id => "infobox",
2801 title => "Body Parts",
2802 reply => undef,
2803 tooltip => "Shows which body parts you posess and are available",
2804 },
2805 "c/statistics" => {
2806 id => "infobox",
2807 title => "Statistics",
2808 reply => undef,
2809 tooltip => "Shows your primary statistics",
2810 },
2811 "c/skills" => {
2812 id => "infobox",
2813 title => "Skills",
2814 reply => undef,
2815 tooltip => "Shows your experience per skill and item power",
2816 },
2817 "c/shopitems" => {
2818 id => "infobox",
2819 title => "Shop Items",
2820 reply => undef,
2821 tooltip => "Shows the items currently for sale in this shop",
2822 },
2823 "c/resistances" => {
2824 id => "infobox",
2825 title => "Resistances",
2826 reply => undef,
2827 tooltip => "Shows your resistances",
2828 },
2829 "c/pets" => {
2830 id => "infobox",
2831 title => "Pets",
2832 reply => undef,
2833 tooltip => "Shows information abotu your pets/a specific pet",
2834 },
2835 "c/perceiveself" => {
2836 id => "infobox",
2837 title => "Perceive Self",
2838 reply => undef,
2839 tooltip => "You gained detailed knowledge about yourself",
2840 },
2841 "c/uptime" => {
2842 id => "infobox",
2843 title => "Uptime",
2844 reply => undef,
2845 tooltip => "How long the server has been running since last restart",
2846 },
2847 "c/mapinfo" => {
2848 id => "infobox",
2849 title => "Map Info",
2850 reply => undef,
2851 tooltip => "Information related to the maps",
2852 },
2853 "c/party" => {
2854 id => "party",
2855 title => "Party",
2856 reply => "gsay ",
2857 tooltip => "Messages and chat related to your party",
2858 },
2859 "c/death" => {
2860 id => "death",
2861 title => "Death",
2862 reply => undef,
2863 tooltip => "Reason for and more info about your most recent death",
2864 },
2865 "c/say" => $SAY_CHANNEL,
2866 "c/chat" => $CHAT_CHANNEL,
2867);
2868
2429sub cf::client::send_msg { 2869sub cf::client::send_msg {
2430 my ($self, $color, $type, $msg, @extra) = @_; 2870 my ($self, $channel, $msg, $color, @extra) = @_;
2431 2871
2432 $msg = $self->pl->expand_cfpod ($msg); 2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel);
2882 $channel = $channel->{id};
2883
2884 } elsif (ref $channel) {
2885 # send meta info to client, if not yet sent
2886 unless (exists $self->{channel}{$channel->{id}}) {
2887 $self->{channel}{$channel->{id}} = $channel;
2888 $self->ext_msg (channel_info => $channel);
2889 }
2890
2891 $channel = $channel->{id};
2892 }
2433 2893
2434 return unless @extra || length $msg; 2894 return unless @extra || length $msg;
2435 2895
2436 if ($self->can_msg) { 2896 # default colour, mask it out
2437 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438 } else { 2898 if $color & cf::NDI_DEF;
2439 # replace some tags by gcfclient-compatible ones
2440 for ($msg) {
2441 1 while
2442 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447 }
2448 2899
2449 if ($color >= 0) { 2900 my $pkt = "msg "
2450 if (0 && $msg =~ /\[/) { 2901 . $self->{json_coder}->encode (
2451 $self->send_packet ("drawextinfo $color 4 0 $msg") 2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452 } else { 2903 );
2453 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454 $self->send_packet ("drawinfo $color $msg")
2455 }
2456 }
2457 }
2458}
2459 2904
2905 # try lzf for large packets
2906 $pkt = "lzf " . Compress::LZF::compress $pkt
2907 if 1024 <= length $pkt and $self->{can_lzf};
2908
2909 # split very large packets
2910 if (8192 < length $pkt and $self->{can_lzf}) {
2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2912 $pkt = "frag";
2913 }
2914
2915 $self->send_packet ($pkt);
2916}
2917
2460=item $client->ext_event ($type, %msg) 2918=item $client->ext_msg ($type, @msg)
2461 2919
2462Sends an ext event to the client. 2920Sends an ext event to the client.
2463 2921
2464=cut 2922=cut
2465 2923
2466sub cf::client::ext_event($$%) { 2924sub cf::client::ext_msg($$@) {
2467 my ($self, $type, %msg) = @_; 2925 my ($self, $type, @msg) = @_;
2468 2926
2927 if ($self->extcmd == 2) {
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2929 } elsif ($self->extcmd == 1) { # TODO: remove
2469 $msg{msgtype} = "event_$type"; 2930 push @msg, msgtype => "event_$type";
2470 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 2931 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932 }
2933}
2934
2935=item $client->ext_reply ($msgid, @msg)
2936
2937Sends an ext reply to the client.
2938
2939=cut
2940
2941sub cf::client::ext_reply($$@) {
2942 my ($self, $id, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2946 } elsif ($self->extcmd == 1) {
2947 #TODO: version 1, remove
2948 unshift @msg, msgtype => "reply", msgid => $id;
2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2471} 2951}
2472 2952
2473=item $success = $client->query ($flags, "text", \&cb) 2953=item $success = $client->query ($flags, "text", \&cb)
2474 2954
2475Queues a query to the client, calling the given callback with 2955Queues a query to the client, calling the given callback with
2530 my ($ns, $buf) = @_; 3010 my ($ns, $buf) = @_;
2531 3011
2532 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3012 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533 3013
2534 if (ref $msg) { 3014 if (ref $msg) {
3015 my ($type, $reply, @payload) =
3016 "ARRAY" eq ref $msg
3017 ? @$msg
3018 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3019
3020 my @reply;
3021
2535 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3022 if (my $cb = $EXTICMD{$type}) {
2536 if (my %reply = $cb->($ns, $msg)) { 3023 @reply = $cb->($ns, @payload);
2537 $reply{msgid} = $msg->{msgid};
2538 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539 }
2540 } 3024 }
3025
3026 $ns->ext_reply ($reply, @reply)
3027 if $reply;
3028
2541 } else { 3029 } else {
2542 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3030 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543 } 3031 }
2544 3032
2545 cf::override; 3033 cf::override;
2592our $safe = new Safe "safe"; 3080our $safe = new Safe "safe";
2593our $safe_hole = new Safe::Hole; 3081our $safe_hole = new Safe::Hole;
2594 3082
2595$SIG{FPE} = 'IGNORE'; 3083$SIG{FPE} = 'IGNORE';
2596 3084
2597$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3085$safe->permit_only (Opcode::opset qw(
3086 :base_core :base_mem :base_orig :base_math
3087 grepstart grepwhile mapstart mapwhile
3088 sort time
3089));
2598 3090
2599# here we export the classes and methods available to script code 3091# here we export the classes and methods available to script code
2600 3092
2601=pod 3093=pod
2602 3094
2603The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
2604 3096
2605 cf::object 3097 cf::object
2606 contr pay_amount pay_player map x y force_find force_add 3098 contr pay_amount pay_player map x y force_find force_add destroy
2607 insert remove 3099 insert remove name archname title slaying race decrease split
3100 value
2608 3101
2609 cf::object::player 3102 cf::object::player
2610 player 3103 player
2611 3104
2612 cf::player 3105 cf::player
2617 3110
2618=cut 3111=cut
2619 3112
2620for ( 3113for (
2621 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3114 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622 insert remove)], 3115 insert remove inv nrof name archname title slaying race
3116 decrease split destroy change_exp value msg lore send_msg)],
2623 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
2624 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
2625 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
2626) { 3120) {
2627 no strict 'refs'; 3121 no strict 'refs';
2628 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
2629 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2646 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
2647 3141
2648 my $qcode = $code; 3142 my $qcode = $code;
2649 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2650 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
2651 3147
2652 local $_; 3148 local $_;
2653 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
2654 3150
2655 my $eval = 3151 my $eval =
2703# the server's init and main functions 3199# the server's init and main functions
2704 3200
2705sub load_facedata($) { 3201sub load_facedata($) {
2706 my ($path) = @_; 3202 my ($path) = @_;
2707 3203
3204 # HACK to clear player env face cache, we need some signal framework
3205 # for this (global event?)
3206 %ext::player_env::MUSIC_FACE_CACHE = ();
3207
3208 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3209
2708 warn "loading facedata from $path\n"; 3210 warn "loading facedata from $path\n";
2709 3211
2710 my $facedata; 3212 my $facedata;
2711 0 < aio_load $path, $facedata 3213 0 < aio_load $path, $facedata
2712 or die "$path: $!"; 3214 or die "$path: $!";
2714 $facedata = Coro::Storable::thaw $facedata; 3216 $facedata = Coro::Storable::thaw $facedata;
2715 3217
2716 $facedata->{version} == 2 3218 $facedata->{version} == 2
2717 or cf::cleanup "$path: version mismatch, cannot proceed."; 3219 or cf::cleanup "$path: version mismatch, cannot proceed.";
2718 3220
3221 # patch in the exptable
3222 $facedata->{resource}{"res/exp_table"} = {
3223 type => FT_RSRC,
3224 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3225 };
3226 cf::cede_to_tick;
3227
2719 { 3228 {
2720 my $faces = $facedata->{faceinfo}; 3229 my $faces = $facedata->{faceinfo};
2721 3230
2722 while (my ($face, $info) = each %$faces) { 3231 while (my ($face, $info) = each %$faces) {
2723 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3232 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3233
2724 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3234 cf::face::set_visibility $idx, $info->{visibility};
3235 cf::face::set_magicmap $idx, $info->{magicmap};
2725 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3236 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3237 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727 Coro::cede; 3238
3239 cf::cede_to_tick;
2728 } 3240 }
2729 3241
2730 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2731 next unless $info->{smooth}; 3243 next unless $info->{smooth};
3244
2732 my $idx = cf::face::find $face 3245 my $idx = cf::face::find $face
2733 or next; 3246 or next;
3247
2734 if (my $smooth = cf::face::find $info->{smooth}) { 3248 if (my $smooth = cf::face::find $info->{smooth}) {
3249 cf::face::set_smooth $idx, $smooth;
2735 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3250 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736 } else { 3251 } else {
2737 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3252 warn "smooth face '$info->{smooth}' not found for face '$face'";
2738 } 3253 }
2739 Coro::cede; 3254
3255 cf::cede_to_tick;
2740 } 3256 }
2741 } 3257 }
2742 3258
2743 { 3259 {
2744 my $anims = $facedata->{animinfo}; 3260 my $anims = $facedata->{animinfo};
2745 3261
2746 while (my ($anim, $info) = each %$anims) { 3262 while (my ($anim, $info) = each %$anims) {
2747 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3263 cf::anim::set $anim, $info->{frames}, $info->{facings};
2748 Coro::cede; 3264 cf::cede_to_tick;
2749 } 3265 }
2750 3266
2751 cf::anim::invalidate_all; # d'oh 3267 cf::anim::invalidate_all; # d'oh
2752 } 3268 }
2753 3269
3270 {
3271 # TODO: for gcfclient pleasure, we should give resources
3272 # that gcfclient doesn't grok a >10000 face index.
3273 my $res = $facedata->{resource};
3274
3275 while (my ($name, $info) = each %$res) {
3276 if (defined $info->{type}) {
3277 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3278 my $data;
3279
3280 if ($info->{type} & 1) {
3281 # prepend meta info
3282
3283 my $meta = $enc->encode ({
3284 name => $name,
3285 %{ $info->{meta} || {} },
3286 });
3287
3288 $data = pack "(w/a*)*", $meta, $info->{data};
3289 } else {
3290 $data = $info->{data};
3291 }
3292
3293 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3294 cf::face::set_type $idx, $info->{type};
3295 } else {
3296 $RESOURCE{$name} = $info;
3297 }
3298
3299 cf::cede_to_tick;
3300 }
3301 }
3302
3303 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3304
2754 1 3305 1
2755} 3306}
2756 3307
3308cf::global->attach (on_resource_update => sub {
3309 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3310 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3311
3312 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3313 my $sound = $soundconf->{compat}[$_]
3314 or next;
3315
3316 my $face = cf::face::find "sound/$sound->[1]";
3317 cf::sound::set $sound->[0] => $face;
3318 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3319 }
3320
3321 while (my ($k, $v) = each %{$soundconf->{event}}) {
3322 my $face = cf::face::find "sound/$v";
3323 cf::sound::set $k => $face;
3324 }
3325 }
3326});
3327
3328register_exticmd fx_want => sub {
3329 my ($ns, $want) = @_;
3330
3331 while (my ($k, $v) = each %$want) {
3332 $ns->fx_want ($k, $v);
3333 }
3334};
3335
3336sub load_resource_file($) {
3337 my $guard = lock_acquire "load_resource_file";
3338
3339 my $status = load_resource_file_ $_[0];
3340 get_slot 0.1, 100;
3341 cf::arch::commit_load;
3342
3343 $status
3344}
3345
2757sub reload_regions { 3346sub reload_regions {
3347 # HACK to clear player env face cache, we need some signal framework
3348 # for this (global event?)
3349 %ext::player_env::MUSIC_FACE_CACHE = ();
3350
2758 load_resource_file "$MAPDIR/regions" 3351 load_resource_file "$MAPDIR/regions"
2759 or die "unable to load regions file\n"; 3352 or die "unable to load regions file\n";
3353
3354 for (cf::region::list) {
3355 $_->{match} = qr/$_->{match}/
3356 if exists $_->{match};
3357 }
2760} 3358}
2761 3359
2762sub reload_facedata { 3360sub reload_facedata {
2763 load_facedata "$DATADIR/facedata" 3361 load_facedata "$DATADIR/facedata"
2764 or die "unable to load facedata\n"; 3362 or die "unable to load facedata\n";
2765} 3363}
2766 3364
2767sub reload_archetypes { 3365sub reload_archetypes {
2768 load_resource_file "$DATADIR/archetypes" 3366 load_resource_file "$DATADIR/archetypes"
2769 or die "unable to load archetypes\n"; 3367 or die "unable to load archetypes\n";
2770 #d# NEED to laod twice to resolve forward references
2771 # this really needs to be done in an extra post-pass
2772 # (which needs to be synchronous, so solve it differently)
2773 load_resource_file "$DATADIR/archetypes"
2774 or die "unable to load archetypes\n";
2775} 3368}
2776 3369
2777sub reload_treasures { 3370sub reload_treasures {
2778 load_resource_file "$DATADIR/treasures" 3371 load_resource_file "$DATADIR/treasures"
2779 or die "unable to load treasurelists\n"; 3372 or die "unable to load treasurelists\n";
2780} 3373}
2781 3374
2782sub reload_resources { 3375sub reload_resources {
2783 warn "reloading resource files...\n"; 3376 warn "reloading resource files...\n";
2784 3377
3378 reload_facedata;
3379 reload_archetypes;
2785 reload_regions; 3380 reload_regions;
2786 reload_facedata;
2787 #reload_archetypes;#d#
2788 reload_archetypes;
2789 reload_treasures; 3381 reload_treasures;
2790 3382
2791 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
2792} 3384}
2793 3385
2794sub init { 3386sub reload_config {
2795 reload_resources;
2796}
2797
2798sub cfg_load {
2799 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
2800 or return; 3388 or return;
2801 3389
2802 local $/; 3390 local $/;
2803 *CFG = YAML::Syck::Load <$fh>; 3391 *CFG = YAML::Load <$fh>;
2804 3392
2805 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3393 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806 3394
2807 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3395 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3396 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2814 }; 3402 };
2815 warn $@ if $@; 3403 warn $@ if $@;
2816 } 3404 }
2817} 3405}
2818 3406
3407sub pidfile() {
3408 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3409 or die "$PIDFILE: $!";
3410 flock $fh, &Fcntl::LOCK_EX
3411 or die "$PIDFILE: flock: $!";
3412 $fh
3413}
3414
3415# make sure only one server instance is running at any one time
3416sub atomic {
3417 my $fh = pidfile;
3418
3419 my $pid = <$fh>;
3420 kill 9, $pid if $pid > 0;
3421
3422 seek $fh, 0, 0;
3423 print $fh $$;
3424}
3425
3426sub main_loop {
3427 warn "EV::loop starting\n";
3428 if (1) {
3429 EV::loop;
3430 }
3431 warn "EV::loop returned\n";
3432 goto &main_loop unless $REALLY_UNLOOP;
3433}
3434
2819sub main { 3435sub main {
3436 cf::init_globals; # initialise logging
3437
3438 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3439 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3440 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3441 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3442
3443 cf::init_experience;
3444 cf::init_anim;
3445 cf::init_attackmess;
3446 cf::init_dynamic;
3447
3448 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3449
2820 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
2821 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
2822 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823 (async { 3453 (async {
2824 Event::one_event; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT;
2825 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
2826 }; 3457 };
2827 3458
2828 cfg_load; 3459 evthread_start IO::AIO::poll_fileno;
3460
3461 cf::sync_job {
3462 reload_resources;
3463 reload_config;
2829 db_init; 3464 db_init;
3465
3466 cf::load_settings;
3467 cf::load_materials;
3468 cf::init_uuid;
3469 cf::init_signals;
3470 cf::init_commands;
3471 cf::init_skills;
3472
3473 cf::init_beforeplay;
3474
3475 atomic;
3476
2830 load_extensions; 3477 load_extensions;
2831 3478
2832 $TICK_WATCHER->start; 3479 utime time, time, $RUNTIMEFILE;
2833 Event::loop; 3480
3481 # no (long-running) fork's whatsoever before this point(!)
3482 use POSIX ();
3483 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3484
3485 (pop @POST_INIT)->(0) while @POST_INIT;
3486 };
3487
3488 main_loop;
2834} 3489}
2835 3490
2836############################################################################# 3491#############################################################################
2837# initialisation and cleanup 3492# initialisation and cleanup
2838 3493
2839# install some emergency cleanup handlers 3494# install some emergency cleanup handlers
2840BEGIN { 3495BEGIN {
3496 our %SIGWATCHER = ();
2841 for my $signal (qw(INT HUP TERM)) { 3497 for my $signal (qw(INT HUP TERM)) {
2842 Event->signal ( 3498 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2843 reentrant => 0,
2844 data => WF_AUTOCANCEL,
2845 signal => $signal,
2846 prio => 0,
2847 cb => sub {
2848 cf::cleanup "SIG$signal"; 3499 cf::cleanup "SIG$signal";
2849 },
2850 ); 3500 };
2851 } 3501 }
2852} 3502}
2853 3503
2854sub write_runtime { 3504sub write_runtime_sync {
2855 my $runtime = "$LOCALDIR/runtime";
2856
2857 # first touch the runtime file to show we are still running: 3505 # first touch the runtime file to show we are still running:
2858 # the fsync below can take a very very long time. 3506 # the fsync below can take a very very long time.
2859 3507
2860 IO::AIO::aio_utime $runtime, undef, undef; 3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861 3509
2862 my $guard = cf::lock_acquire "write_runtime"; 3510 my $guard = cf::lock_acquire "write_runtime";
2863 3511
2864 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2865 or return; 3513 or return;
2866 3514
2867 my $value = $cf::RUNTIME + 90 + 10; 3515 my $value = $cf::RUNTIME + 90 + 10;
2868 # 10 is the runtime save interval, for a monotonic clock 3516 # 10 is the runtime save interval, for a monotonic clock
2869 # 60 allows for the watchdog to kill the server. 3517 # 60 allows for the watchdog to kill the server.
2879 aio_utime $fh, undef, undef; 3527 aio_utime $fh, undef, undef;
2880 3528
2881 close $fh 3529 close $fh
2882 or return; 3530 or return;
2883 3531
2884 aio_rename "$runtime~", $runtime 3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885 and return; 3533 and return;
2886 3534
2887 warn "runtime file written.\n"; 3535 warn "runtime file written.\n";
2888 3536
2889 1 3537 1
3538}
3539
3540our $uuid_lock;
3541our $uuid_skip;
3542
3543sub write_uuid_sync($) {
3544 $uuid_skip ||= $_[0];
3545
3546 return if $uuid_lock;
3547 local $uuid_lock = 1;
3548
3549 my $uuid = "$LOCALDIR/uuid";
3550
3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3552 or return;
3553
3554 my $value = uuid_seq uuid_cur;
3555
3556 unless ($value) {
3557 warn "cowardly refusing to write zero uuid value!\n";
3558 return;
3559 }
3560
3561 my $value = uuid_str $value + $uuid_skip;
3562 $uuid_skip = 0;
3563
3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3565 and return;
3566
3567 # always fsync - this file is important
3568 aio_fsync $fh
3569 and return;
3570
3571 close $fh
3572 or return;
3573
3574 aio_rename "$uuid~", $uuid
3575 and return;
3576
3577 warn "uuid file written ($value).\n";
3578
3579 1
3580
3581}
3582
3583sub write_uuid($$) {
3584 my ($skip, $sync) = @_;
3585
3586 $sync ? write_uuid_sync $skip
3587 : async { write_uuid_sync $skip };
2890} 3588}
2891 3589
2892sub emergency_save() { 3590sub emergency_save() {
2893 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
2894 3592
2895 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
2896 3594
2897 cf::sync_job { 3595 cf::sync_job {
3596 # this is a trade-off: we want to be very quick here, so
3597 # save all maps without fsync, and later call a global sync
3598 # (which in turn might be very very slow)
3599 local $USE_FSYNC = 0;
3600
2898 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
2899 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
2900 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
2901 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
2902 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
2903 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
2904 $pl->valid or next; 3607 $pl->valid or next;
3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905 $pl->save; 3609 $pl->save;
2906 } 3610 }
2907 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
2908 3612
2909 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
2910 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
2911 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
2912 $map->valid or next; 3616 $map->valid or next;
2913 $map->save; 3617 $map->save;
2914 } 3618 }
2915 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
2916 3620
2917 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
2918 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
2919 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3624
3625 warn "emergency_perl_save: begin write uuid\n";
3626 write_uuid_sync 1;
3627 warn "emergency_perl_save: end write uuid\n";
2920 }; 3628 };
2921 3629
3630 warn "emergency_perl_save: starting sync()\n";
3631 IO::AIO::aio_sync sub {
3632 warn "emergency_perl_save: finished sync()\n";
3633 };
3634
2922 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
2923} 3636}
2924 3637
2925sub post_cleanup { 3638sub post_cleanup {
2926 my ($make_core) = @_; 3639 my ($make_core) = @_;
2927 3640
2928 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
2929 if $make_core; 3642 if $make_core;
3643
3644 my $fh = pidfile;
3645 unlink $PIDFILE if <$fh> == $$;
3646}
3647
3648# a safer delete_package, copied from Symbol
3649sub clear_package($) {
3650 my $pkg = shift;
3651
3652 # expand to full symbol table name if needed
3653 unless ($pkg =~ /^main::.*::$/) {
3654 $pkg = "main$pkg" if $pkg =~ /^::/;
3655 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3656 $pkg .= '::' unless $pkg =~ /::$/;
3657 }
3658
3659 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3660 my $stem_symtab = *{$stem}{HASH};
3661
3662 defined $stem_symtab and exists $stem_symtab->{$leaf}
3663 or return;
3664
3665 # clear all symbols
3666 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3667 for my $name (keys %$leaf_symtab) {
3668 _gv_clear *{"$pkg$name"};
3669# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3670 }
3671 warn "cleared package $pkg\n";#d#
2930} 3672}
2931 3673
2932sub do_reload_perl() { 3674sub do_reload_perl() {
2933 # can/must only be called in main 3675 # can/must only be called in main
2934 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
2935 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
2936 return; 3678 return;
2937 } 3679 }
2938 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
2939 warn "reloading..."; 3686 warn "reloading...";
2940 3687
2941 warn "entering sync_job"; 3688 warn "entering sync_job";
2942 3689
2943 cf::sync_job { 3690 cf::sync_job {
2944 cf::write_runtime; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
2945 cf::emergency_save; 3692 cf::emergency_save;
2946 cf::write_runtime; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
2947 3694
2948 warn "syncing database to disk"; 3695 warn "syncing database to disk";
2949 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
2950 3697
2951 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
2952 3699
2953 warn "cancelling all WF_AUTOCANCEL watchers";
2954 for (Event::all_watchers) {
2955 $_->cancel if $_->data & WF_AUTOCANCEL;
2956 }
2957
2958 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
2959 for (;;) {
2960 BDB::flush;
2961 IO::AIO::flush;
2962 Coro::cede;
2963 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
2964 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965 }
2966
2967 ++$RELOAD;
2968
2969 warn "cancelling all extension coros";
2970 $_->cancel for values %EXT_CORO;
2971 %EXT_CORO = ();
2972
2973 warn "removing commands";
2974 %COMMAND = ();
2975
2976 warn "removing ext/exti commands";
2977 %EXTCMD = ();
2978 %EXTICMD = ();
2979
2980 warn "unloading/nuking all extensions";
2981 for my $pkg (@EXTS) {
2982 warn "... unloading $pkg";
2983
2984 if (my $cb = $pkg->can ("unload")) {
2985 eval {
2986 $cb->($pkg);
2987 1
2988 } or warn "$pkg unloaded, but with errors: $@";
2989 } 3703 }
2990 3704
2991 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
2992 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
2993 } 3707 %EXT_CORO = ();
2994 3708
2995 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
2996 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
2997 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
2999 warn "... unloading $k"; 3718 warn "... unloading $pkg";
3000 delete $INC{$k};
3001 3719
3002 $k =~ s/\.pm$//;
3003 $k =~ s/\//::/g;
3004
3005 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
3006 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
3007 } 3729 }
3008 3730
3009 Symbol::delete_package $k; 3731 warn "unloading all perl modules loaded from $LIBDIR";
3732 while (my ($k, $v) = each %INC) {
3733 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3734
3735 warn "... unloading $k";
3736 delete $INC{$k};
3737
3738 $k =~ s/\.pm$//;
3739 $k =~ s/\//::/g;
3740
3741 if (my $cb = $k->can ("unload_module")) {
3742 $cb->();
3743 }
3744
3745 clear_package $k;
3010 } 3746 }
3011 3747
3012 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
3013 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
3014 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3750 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015 3751
3016 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
3017 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
3018 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019 3755
3020 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
3021 # and global variables created in xs 3757 # and global variables created in xs
3022 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
3023 3759
3024 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
3025 3761
3026 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
3027 require cf; 3763 require cf;
3028 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029 3765
3030 warn "loading config and database again"; 3766 warn "loading config and database again";
3031 cf::cfg_load; 3767 cf::reload_config;
3032 3768
3033 warn "loading extensions"; 3769 warn "loading extensions";
3034 cf::load_extensions; 3770 cf::load_extensions;
3035 3771
3772 if ($REATTACH_ON_RELOAD) {
3036 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
3037 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
3038 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
3039 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
3040 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
3041 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
3042 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
3043 warn "leaving sync_job"; 3784 warn "leaving sync_job";
3044 3785
3045 1 3786 1
3046 } or do { 3787 } or do {
3047 warn $@; 3788 warn $@;
3048 warn "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
3049 exit 1;
3050 }; 3790 };
3051 3791
3052 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
3053}; 3798};
3054 3799
3055our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
3056 3801
3057sub reload_perl() { 3802sub reload_perl() {
3058 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
3059 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
3060 3805
3061 $RELOAD_WATCHER ||= Event->timer ( 3806 $RELOAD_WATCHER ||= cf::async {
3062 reentrant => 0, 3807 Coro::AIO::aio_wait cache_extensions;
3063 after => 0, 3808
3064 data => WF_AUTOCANCEL, 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3065 cb => sub {
3066 do_reload_perl; 3810 do_reload_perl;
3067 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
3068 }, 3812 };
3069 ); 3813 };
3070} 3814}
3071 3815
3072register_command "reload" => sub { 3816register_command "reload" => sub {
3073 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
3074 3818
3075 if ($who->flag (FLAG_WIZ)) { 3819 if ($who->flag (FLAG_WIZ)) {
3076 $who->message ("reloading server."); 3820 $who->message ("reloading server.");
3821 async {
3822 $Coro::current->{desc} = "perl_reload";
3077 async { reload_perl }; 3823 reload_perl;
3824 };
3078 } 3825 }
3079}; 3826};
3080 3827
3081unshift @INC, $LIBDIR; 3828unshift @INC, $LIBDIR;
3082 3829
3084 3831
3085our @WAIT_FOR_TICK; 3832our @WAIT_FOR_TICK;
3086our @WAIT_FOR_TICK_BEGIN; 3833our @WAIT_FOR_TICK_BEGIN;
3087 3834
3088sub wait_for_tick { 3835sub wait_for_tick {
3089 return unless $TICK_WATCHER->is_active;
3090 return if $Coro::current == $Coro::main; 3836 return if tick_inhibit || $Coro::current == $Coro::main;
3091 3837
3092 my $signal = new Coro::Signal; 3838 my $signal = new Coro::Signal;
3093 push @WAIT_FOR_TICK, $signal; 3839 push @WAIT_FOR_TICK, $signal;
3094 $signal->wait; 3840 $signal->wait;
3095} 3841}
3096 3842
3097sub wait_for_tick_begin { 3843sub wait_for_tick_begin {
3098 return unless $TICK_WATCHER->is_active;
3099 return if $Coro::current == $Coro::main; 3844 return if tick_inhibit || $Coro::current == $Coro::main;
3100 3845
3101 my $signal = new Coro::Signal; 3846 my $signal = new Coro::Signal;
3102 push @WAIT_FOR_TICK_BEGIN, $signal; 3847 push @WAIT_FOR_TICK_BEGIN, $signal;
3103 $signal->wait; 3848 $signal->wait;
3104} 3849}
3105 3850
3106 my $min = 1e6;#d# 3851sub tick {
3107 my $avg = 10;
3108$TICK_WATCHER = Event->timer (
3109 reentrant => 0,
3110 parked => 1,
3111 prio => 0,
3112 at => $NEXT_TICK || $TICK,
3113 data => WF_AUTOCANCEL,
3114 cb => sub {
3115 if ($Coro::current != $Coro::main) { 3852 if ($Coro::current != $Coro::main) {
3116 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117 unless ++$bug_warning > 10; 3854 unless ++$bug_warning > 10;
3118 return; 3855 return;
3119 } 3856 }
3120 3857
3121 $NOW = $tick_start = Event::time;
3122
3123 cf::server_tick; # one server iteration 3858 cf::server_tick; # one server iteration
3124 3859
3125 0 && sync_job {#d# 3860 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126 for(1..10) { 3861 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127 my $t = Event::time; 3862 Coro::async_pool {
3128 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3863 $Coro::current->{desc} = "runtime saver";
3129 or die; 3864 write_runtime_sync
3130 3865 or warn "ERROR: unable to write runtime file: $!";
3131 $map->width (50);
3132 $map->height (50);
3133 $map->alloc;
3134 $map->_load_objects ("/tmp/x.map", 1);
3135 my $t = Event::time - $t;
3136
3137 #next unless $t < 0.0013;#d#
3138 if ($t < $min) {
3139 $min = $t;
3140 }
3141 $avg = $avg * 0.99 + $t * 0.01;
3142 }
3143 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144 exit 0;
3145 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146 }; 3866 };
3867 }
3147 3868
3148 $RUNTIME += $TICK;
3149 $NEXT_TICK += $TICK;
3150
3151 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152 $NEXT_RUNTIME_WRITE = $NOW + 10;
3153 Coro::async_pool {
3154 write_runtime
3155 or warn "ERROR: unable to write runtime file: $!";
3156 };
3157 }
3158
3159# my $AFTER = Event::time;
3160# warn $AFTER - $NOW;#d#
3161
3162 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3869 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163 $sig->send; 3870 $sig->send;
3164 } 3871 }
3165 while (my $sig = shift @WAIT_FOR_TICK) { 3872 while (my $sig = shift @WAIT_FOR_TICK) {
3166 $sig->send; 3873 $sig->send;
3167 } 3874 }
3168 3875
3169 $NOW = Event::time; 3876 $LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171 # if we are delayed by four ticks or more, skip them all
3172 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174 $TICK_WATCHER->at ($NEXT_TICK);
3175 $TICK_WATCHER->start;
3176
3177 $LOAD = ($NOW - $tick_start) / $TICK;
3178 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3877 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179 3878
3180 _post_tick; 3879 if (0) {
3181 3880 if ($NEXT_TICK) {
3182 3881 my $jitter = $TICK_START - $NEXT_TICK;
3882 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3883 warn "jitter $JITTER\n";#d#
3884 }
3183 }, 3885 }
3184); 3886}
3185 3887
3186{ 3888{
3187 BDB::max_poll_time $TICK * 0.1; 3889 # configure BDB
3188 $BDB_POLL_WATCHER = Event->io ( 3890
3189 reentrant => 0,
3190 fd => BDB::poll_fileno,
3191 poll => 'r',
3192 prio => 0,
3193 data => WF_AUTOCANCEL,
3194 cb => \&BDB::poll_cb,
3195 );
3196 BDB::min_parallel 8; 3891 BDB::min_parallel 8;
3197 3892 BDB::max_poll_reqs $TICK * 0.1;
3198 BDB::set_sync_prepare { 3893 $AnyEvent::BDB::WATCHER->priority (1);
3199 my $status;
3200 my $current = $Coro::current;
3201 (
3202 sub {
3203 $status = $!;
3204 $current->ready; undef $current;
3205 },
3206 sub {
3207 Coro::schedule while defined $current;
3208 $! = $status;
3209 },
3210 )
3211 };
3212 3894
3213 unless ($DB_ENV) { 3895 unless ($DB_ENV) {
3214 $DB_ENV = BDB::db_env_create; 3896 $DB_ENV = BDB::db_env_create;
3897 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3898 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3899 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3900 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3901 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215 3902
3216 cf::sync_job { 3903 cf::sync_job {
3217 eval { 3904 eval {
3218 BDB::db_env_open 3905 BDB::db_env_open
3219 $DB_ENV, 3906 $DB_ENV,
3221 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3908 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3909 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223 0666; 3910 0666;
3224 3911
3225 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3912 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228 $DB_ENV->set_lk_detect;
3229 }; 3913 };
3230 3914
3231 cf::cleanup "db_env_open(db): $@" if $@; 3915 cf::cleanup "db_env_open(db): $@" if $@;
3232 }; 3916 };
3233 } 3917 }
3918
3919 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3920 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3921 };
3922 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3923 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3924 };
3925 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3926 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3927 };
3234} 3928}
3235 3929
3236{ 3930{
3931 # configure IO::AIO
3932
3237 IO::AIO::min_parallel 8; 3933 IO::AIO::min_parallel 8;
3238
3239 undef $Coro::AIO::WATCHER;
3240 IO::AIO::max_poll_time $TICK * 0.1; 3934 IO::AIO::max_poll_time $TICK * 0.1;
3241 $AIO_POLL_WATCHER = Event->io ( 3935 undef $AnyEvent::AIO::WATCHER;
3242 reentrant => 0,
3243 data => WF_AUTOCANCEL,
3244 fd => IO::AIO::poll_fileno,
3245 poll => 'r',
3246 prio => 6,
3247 cb => \&IO::AIO::poll_cb,
3248 );
3249} 3936}
3250 3937
3251my $_log_backtrace; 3938my $_log_backtrace;
3252 3939
3253sub _log_backtrace { 3940sub _log_backtrace {
3256 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
3257 3944
3258 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
3259 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
3260 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
3261 async { 3949 async {
3950 $Coro::current->{desc} = "abt $msg";
3951
3262 my @bt = fork_call { 3952 my @bt = fork_call {
3263 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
3264 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3954 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3955 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266 or die "addr2line: $!"; 3956 or die "addr2line: $!";
3274 } 3964 }
3275 3965
3276 @funcs 3966 @funcs
3277 }; 3967 };
3278 3968
3279 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3281 --$_log_backtrace; 3972 --$_log_backtrace;
3282 }; 3973 };
3283 } else { 3974 } else {
3284 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3285 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3286 } 3977 }
3287} 3978}
3288 3979
3289# load additional modules 3980# load additional modules
3290use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3291 3982
3292END { cf::emergency_save } 3983END { cf::emergency_save }
3293 3984
32941 39851
3295 3986

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