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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 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
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 76
40$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
41 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 79
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 81
49our %COMMAND = (); 82our %COMMAND = ();
50our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
51 84
52our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
56 90
57our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
59 95
60our $CONFDIR = confdir; 96our $CONFDIR = confdir;
61our $DATADIR = datadir; 97our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
110our %RESOURCE;
71 111
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 114our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
79 116
117our $BDB_DEADLOCK_WATCHER;
118our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 119our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 120our $DB_ENV;
121
122our @EXTRA_MODULES = qw(pod mapscript);
82 123
83our %CFG; 124our %CFG;
84 125
85our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 127our $RUNTIME;
128our $NOW;
87 129
88our %PLAYER; # all users 130our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 131our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 132our $LINK_MAP; # the special {link} map, which is always available
91 133
92# 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 ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 135our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 136
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
139our $JITTER; # average jitter
97our $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 $REALLY_UNLOOP; # never set to true, please :)
98 146
99binmode STDOUT; 147binmode STDOUT;
100binmode STDERR; 148binmode STDERR;
101 149
102# read virtual server time, if available 150# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
107} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
108 158
109mkdir $_ 159mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 161
112our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
113 163
114sub 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}} = $reflect;
172}
115 173
116############################################################################# 174#############################################################################
117 175
118=head2 GLOBAL VARIABLES 176=head2 GLOBAL VARIABLES
119 177
… …
155 213
156The raw value load value from the last tick. 214The raw value load value from the last tick.
157 215
158=item %cf::CFG 216=item %cf::CFG
159 217
160Configuration for the server, loaded from C</etc/crossfire/config>, or 218Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 219from wherever your confdir points to.
162 220
163=item cf::wait_for_tick, cf::wait_for_tick_begin 221=item cf::wait_for_tick, cf::wait_for_tick_begin
164 222
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 223These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 224returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 225per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 226
227=item @cf::INVOKE_RESULTS
228
229This array contains the results of the last C<invoke ()> call. When
230C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
231that call.
232
233=item %cf::REFLECT
234
235Contains, for each (C++) class name, a hash reference with information
236about object members (methods, scalars and arrays) and other metadata,
237which is useful for introspection.
238
169=back 239=back
170 240
171=cut 241=cut
172 242
173BEGIN { 243$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 244 my $msg = join "", @_;
176 245
177 $msg .= "\n" 246 $msg .= "\n"
178 unless $msg =~ /\n$/; 247 unless $msg =~ /\n$/;
179 248
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 249 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 250
182 utf8::encode $msg;
183 LOG llevError, $msg; 251 LOG llevError, $msg;
184 }; 252};
185} 253
254$Coro::State::DIEHOOK = sub {
255 return unless $^S eq 0; # "eq", not "=="
256
257 warn Carp::longmess $_[0];
258
259 if ($Coro::current == $Coro::main) {#d#
260 warn "DIEHOOK called in main context, Coro bug?\n";#d#
261 return;#d#
262 }#d#
263
264 # kill coroutine otherwise
265 Coro::terminate
266};
186 267
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 268@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 269@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 270@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 271@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 272@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
273@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 274@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 275
194# we bless all objects into (empty) derived classes to force a method lookup 276# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 277# within the Safe compartment.
196for my $pkg (qw( 278for my $pkg (qw(
197 cf::global cf::attachable 279 cf::global cf::attachable
198 cf::object cf::object::player 280 cf::object cf::object::player
199 cf::client cf::player 281 cf::client cf::player
200 cf::arch cf::living 282 cf::arch cf::living
283 cf::map cf::mapspace
201 cf::map cf::party cf::region 284 cf::party cf::region
202)) { 285)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 286 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 287}
206 288
207$Event::DIED = sub { 289$EV::DIED = sub {
208 warn "error in event callback: @_"; 290 warn "error in event callback: @_";
209}; 291};
292
293#############################################################################
210 294
211=head2 UTILITY FUNCTIONS 295=head2 UTILITY FUNCTIONS
212 296
213=over 4 297=over 4
214 298
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 317 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 318 $d
235 } || "[unable to dump $_[0]: '$@']"; 319 } || "[unable to dump $_[0]: '$@']";
236} 320}
237 321
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 322=item $ref = cf::decode_json $json
241 323
242Converts a JSON string into the corresponding perl data structure. 324Converts a JSON string into the corresponding perl data structure.
243 325
244=item $json = cf::to_json $ref 326=item $json = cf::encode_json $ref
245 327
246Converts a perl data structure into its JSON representation. 328Converts a perl data structure into its JSON representation.
247 329
330=cut
331
332our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
333
334sub encode_json($) { $json_coder->encode ($_[0]) }
335sub decode_json($) { $json_coder->decode ($_[0]) }
336
337=item cf::post_init { BLOCK }
338
339Execute the given codeblock, I<after> all extensions have been (re-)loaded,
340but I<before> the server starts ticking again.
341
342The cdoeblock will have a single boolean argument to indicate whether this
343is a reload or not.
344
345=cut
346
347sub post_init(&) {
348 push @POST_INIT, shift;
349}
350
248=item cf::lock_wait $string 351=item cf::lock_wait $string
249 352
250Wait until the given lock is available. See cf::lock_acquire. 353Wait until the given lock is available. See cf::lock_acquire.
251 354
252=item my $lock = cf::lock_acquire $string 355=item my $lock = cf::lock_acquire $string
253 356
254Wait until the given lock is available and then acquires it and returns 357Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 358a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 359for example when the coroutine gets canceled), the lock is automatically
257returned. 360returned.
258 361
362Locks are *not* recursive, locking from the same coro twice results in a
363deadlocked coro.
364
259Lock names should begin with a unique identifier (for example, cf::map::find 365Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 366uses map_find and cf::map::load uses map_load).
261 367
262=item $locked = cf::lock_active $string 368=item $locked = cf::lock_active $string
263 369
264Return true if the lock is currently active, i.e. somebody has locked it. 370Return true if the lock is currently active, i.e. somebody has locked it.
265 371
266=cut 372=cut
267 373
268our %LOCK; 374our $LOCKS = new Coro::SemaphoreSet;
269 375
270sub lock_wait($) { 376sub lock_wait($) {
271 my ($key) = @_; 377 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 378}
279 379
280sub lock_acquire($) { 380sub lock_acquire($) {
281 my ($key) = @_; 381 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 382}
293 383
294sub lock_active($) { 384sub lock_active($) {
295 my ($key) = @_; 385 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 386}
299 387
300sub freeze_mainloop { 388sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 389 tick_inhibit_inc;
302 390
303 my $guard = Coro::guard { 391 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 392}
393
394=item cf::periodic $interval, $cb
395
396Like EV::periodic, but randomly selects a starting point so that the actions
397get spread over timer.
398
399=cut
400
401sub periodic($$) {
402 my ($interval, $cb) = @_;
403
404 my $start = rand List::Util::min 180, $interval;
405
406 EV::periodic $start, $interval, 0, $cb
407}
408
409=item cf::get_slot $time[, $priority[, $name]]
410
411Allocate $time seconds of blocking CPU time at priority C<$priority>:
412This call blocks and returns only when you have at least C<$time> seconds
413of cpu time till the next tick. The slot is only valid till the next cede.
414
415The optional C<$name> can be used to identify the job to run. It might be
416used for statistical purposes and should identify the same time-class.
417
418Useful for short background jobs.
419
420=cut
421
422our @SLOT_QUEUE;
423our $SLOT_QUEUE;
424
425$SLOT_QUEUE->cancel if $SLOT_QUEUE;
426$SLOT_QUEUE = Coro::async {
427 $Coro::current->desc ("timeslot manager");
428
429 my $signal = new Coro::Signal;
430
431 while () {
432 next_job:
433 my $avail = cf::till_tick;
434 if ($avail > 0.01) {
435 for (0 .. $#SLOT_QUEUE) {
436 if ($SLOT_QUEUE[$_][0] < $avail) {
437 my $job = splice @SLOT_QUEUE, $_, 1, ();
438 $job->[2]->send;
439 Coro::cede;
440 goto next_job;
441 }
442 }
443 }
444
445 if (@SLOT_QUEUE) {
446 # we do not use wait_for_tick() as it returns immediately when tick is inactive
447 push @cf::WAIT_FOR_TICK, $signal;
448 $signal->wait;
449 } else {
450 Coro::schedule;
451 }
305 }; 452 }
306 $TICK_WATCHER->stop; 453};
307 $guard 454
455sub get_slot($;$$) {
456 return if tick_inhibit || $Coro::current == $Coro::main;
457
458 my ($time, $pri, $name) = @_;
459
460 $time = $TICK * .6 if $time > $TICK * .6;
461 my $sig = new Coro::Signal;
462
463 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
464 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
465 $SLOT_QUEUE->ready;
466 $sig->wait;
308} 467}
309 468
310=item cf::async { BLOCK } 469=item cf::async { BLOCK }
311 470
312Currently the same as Coro::async_pool, meaning you cannot use 471Currently the same as Coro::async_pool, meaning you cannot use
… …
317 476
318BEGIN { *async = \&Coro::async_pool } 477BEGIN { *async = \&Coro::async_pool }
319 478
320=item cf::sync_job { BLOCK } 479=item cf::sync_job { BLOCK }
321 480
322The design of crossfire+ requires that the main coro ($Coro::main) is 481The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 482is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 483partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
484acceptable.
325 485
326If it must be done, put the blocking parts into C<sync_job>. This will run 486If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 487the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 488server will be frozen during this time, so the block should either finish
329fast or be very important. 489fast or be very important.
… …
332 492
333sub sync_job(&) { 493sub sync_job(&) {
334 my ($job) = @_; 494 my ($job) = @_;
335 495
336 if ($Coro::current == $Coro::main) { 496 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 497 my $time = EV::time;
338 498
339 # this is the main coro, too bad, we have to block 499 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 500 # till the operation succeeds, freezing the server :/
341 501
342 # TODO: use suspend/resume instead 502 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 503
344 my $freeze_guard = freeze_mainloop; 504 my $freeze_guard = freeze_mainloop;
345 505
346 my $busy = 1; 506 my $busy = 1;
347 my @res; 507 my @res;
348 508
349 (async { 509 (async {
510 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 511 @res = eval { $job->() };
351 warn $@ if $@; 512 warn $@ if $@;
352 undef $busy; 513 undef $busy;
353 })->prio (Coro::PRIO_MAX); 514 })->prio (Coro::PRIO_MAX);
354 515
355 while ($busy) { 516 while ($busy) {
356 Coro::cede or Event::one_event; 517 if (Coro::nready) {
518 Coro::cede_notself;
519 } else {
520 EV::loop EV::LOOP_ONESHOT;
357 } 521 }
522 }
358 523
359 $time = Event::time - $time; 524 my $time = EV::time - $time;
360 525
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 526 $TICK_START += $time; # do not account sync jobs to server load
365 527
366 wantarray ? @res : $res[0] 528 wantarray ? @res : $res[0]
367 } else { 529 } else {
368 # we are in another coroutine, how wonderful, everything just works 530 # we are in another coroutine, how wonderful, everything just works
369 531
… …
389 $EXT_CORO{$coro+0} = $coro; 551 $EXT_CORO{$coro+0} = $coro;
390 552
391 $coro 553 $coro
392} 554}
393 555
394sub write_runtime { 556=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 557
397 # first touch the runtime file to show we are still running: 558Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 559process, returning the results. Everything must be serialisable with
560Coro::Storable. May, of course, block. Note that the executed sub may
561never block itself or use any form of event handling.
399 562
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 563=cut
401 utime undef, undef, $fh; 564
565sub fork_call(&@) {
566 my ($cb, @args) = @_;
567
568 # we seemingly have to make a local copy of the whole thing,
569 # otherwise perl prematurely frees the stuff :/
570 # TODO: investigate and fix (likely this will be rather laborious)
571
572 my @res = Coro::Util::fork_eval {
573 reset_signals;
574 &$cb
575 }, @args;
576
577 wantarray ? @res : $res[-1]
578}
579
580=item $coin = coin_from_name $name
581
582=cut
583
584our %coin_alias = (
585 "silver" => "silvercoin",
586 "silvercoin" => "silvercoin",
587 "silvercoins" => "silvercoin",
588 "gold" => "goldcoin",
589 "goldcoin" => "goldcoin",
590 "goldcoins" => "goldcoin",
591 "platinum" => "platinacoin",
592 "platinumcoin" => "platinacoin",
593 "platinumcoins" => "platinacoin",
594 "platina" => "platinacoin",
595 "platinacoin" => "platinacoin",
596 "platinacoins" => "platinacoin",
597 "royalty" => "royalty",
598 "royalties" => "royalty",
599);
600
601sub coin_from_name($) {
602 $coin_alias{$_[0]}
603 ? cf::arch::find $coin_alias{$_[0]}
604 : undef
605}
606
607=item $value = cf::db_get $family => $key
608
609Returns a single value from the environment database.
610
611=item cf::db_put $family => $key => $value
612
613Stores the given C<$value> in the family. It can currently store binary
614data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
615
616=item $db = cf::db_table "name"
617
618Create and/or open a new database table. The string must not be "db" and must be unique
619within each server.
620
621=cut
622
623sub db_table($) {
624 my ($name) = @_;
625 my $db = BDB::db_create $DB_ENV;
626
627 eval {
628 $db->set_flags (BDB::CHKSUM);
629
630 utf8::encode $name;
631 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
632 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
633 cf::cleanup "db_open(db): $!" if $!;
402 } 634 };
635 cf::cleanup "db_open(db): $@" if $@;
403 636
404 my $guard = cf::lock_acquire "write_runtime"; 637 $db
638}
405 639
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 640our $DB;
407 or return;
408 641
409 my $value = $cf::RUNTIME + 90 + 10; 642sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 643 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 644 $DB ||= db_table "db";
645 };
646}
412 647
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 648sub db_get($$) {
414 and return; 649 my $key = "$_[0]/$_[1]";
415 650
416 # always fsync - this file is important 651 cf::sync_job {
417 aio_fsync $fh 652 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 653
420 # touch it again to show we are up-to-date 654 $! ? ()
421 utime undef, undef, $fh; 655 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 656 }
657}
658
659sub db_put($$$) {
660 BDB::dbreq_pri 4;
661 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
662}
663
664=item cf::cache $id => [$paths...], $processversion => $process
665
666Generic caching function that returns the value of the resource $id,
667caching and regenerating as required.
668
669This function can block.
670
671=cut
672
673sub cache {
674 my ($id, $src, $processversion, $process) = @_;
675
676 my $meta =
677 join "\x00",
678 $processversion,
679 map {
680 aio_stat $_
681 and Carp::croak "$_: $!";
682
683 ($_, (stat _)[7,9])
684 } @$src;
685
686 my $dbmeta = db_get cache => "$id/meta";
687 if ($dbmeta ne $meta) {
688 # changed, we may need to process
689
690 my @data;
691 my $md5;
692
693 for (0 .. $#$src) {
694 0 <= aio_load $src->[$_], $data[$_]
695 or Carp::croak "$src->[$_]: $!";
696 }
697
698 # if processing is expensive, check
699 # checksum first
700 if (1) {
701 $md5 =
702 join "\x00",
703 $processversion,
704 map {
705 cf::cede_to_tick;
706 ($src->[$_], Digest::MD5::md5_hex $data[$_])
707 } 0.. $#$src;
708
709
710 my $dbmd5 = db_get cache => "$id/md5";
711 if ($dbmd5 eq $md5) {
712 db_put cache => "$id/meta", $meta;
713
714 return db_get cache => "$id/data";
715 }
716 }
717
718 my $t1 = Time::HiRes::time;
719 my $data = $process->(\@data);
720 my $t2 = Time::HiRes::time;
721
722 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
723
724 db_put cache => "$id/data", $data;
725 db_put cache => "$id/md5" , $md5;
726 db_put cache => "$id/meta", $meta;
727
728 return $data;
729 }
730
731 db_get cache => "$id/data"
432} 732}
433 733
434=item cf::datalog type => key => value, ... 734=item cf::datalog type => key => value, ...
435 735
436Log a datalog packet of the given type with the given key-value pairs. 736Log a datalog packet of the given type with the given key-value pairs.
… …
448 748
449############################################################################# 749#############################################################################
450 750
451=head2 ATTACHABLE OBJECTS 751=head2 ATTACHABLE OBJECTS
452 752
453Many objects in crossfire are so-called attachable objects. That means you can 753Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 754attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 755to it. All such attachable objects support the following methods.
456 756
457In the following description, CLASS can be any of C<global>, C<object> 757In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 758C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 759Deliantra).
460 760
461=over 4 761=over 4
462 762
463=item $attachable->attach ($attachment, key => $value...) 763=item $attachable->attach ($attachment, key => $value...)
464 764
… …
508=item cf::CLASS::attachment $name, ... 808=item cf::CLASS::attachment $name, ...
509 809
510Register an attachment by C<$name> through which attachable objects of the 810Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 811given CLASS can refer to this attachment.
512 812
513Some classes such as crossfire maps and objects can specify attachments 813Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 814that are attached at load/instantiate time, thus the need for a name.
515 815
516These calls expect any number of the following handler/hook descriptions: 816These calls expect any number of the following handler/hook descriptions:
517 817
518=over 4 818=over 4
… …
666 _attach $registry, $klass, @attach; 966 _attach $registry, $klass, @attach;
667 } 967 }
668 968
669 $obj->{$name} = \%arg; 969 $obj->{$name} = \%arg;
670 } else { 970 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 971 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 972 }
673 973
674 $obj->{_attachment}{$name} = undef; 974 $obj->{_attachment}{$name} = undef;
675} 975}
676 976
… …
716 "; 1016 ";
717 die if $@; 1017 die if $@;
718} 1018}
719 1019
720our $override; 1020our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1021our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 1022
723sub override { 1023sub override {
724 $override = 1; 1024 $override = 1;
725 @invoke_results = (); 1025 @INVOKE_RESULTS = (@_);
726} 1026}
727 1027
728sub do_invoke { 1028sub do_invoke {
729 my $event = shift; 1029 my $event = shift;
730 my $callbacks = shift; 1030 my $callbacks = shift;
731 1031
732 @invoke_results = (); 1032 @INVOKE_RESULTS = ();
733 1033
734 local $override; 1034 local $override;
735 1035
736 for (@$callbacks) { 1036 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1037 eval { &{$_->[1]} };
… …
746 } 1046 }
747 1047
748 0 1048 0
749} 1049}
750 1050
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1052
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1053=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1054
755Generate an object-specific event with the given arguments. 1055Generate an object-specific event with the given arguments.
756 1056
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1057This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 1058removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 1059results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1060
761=back 1061=back
762 1062
763=cut 1063=cut
764 1064
765############################################################################# 1065#############################################################################
766# object support 1066# object support
1067
1068sub _object_equal($$);
1069sub _object_equal($$) {
1070 my ($a, $b) = @_;
1071
1072 return 0 unless (ref $a) eq (ref $b);
1073
1074 if ("HASH" eq ref $a) {
1075 my @ka = keys %$a;
1076 my @kb = keys %$b;
1077
1078 return 0 if @ka != @kb;
1079
1080 for (0 .. $#ka) {
1081 return 0 unless $ka[$_] eq $kb[$_];
1082 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1083 }
1084
1085 } elsif ("ARRAY" eq ref $a) {
1086
1087 return 0 if @$a != @$b;
1088
1089 for (0 .. $#$a) {
1090 return 0 unless _object_equal $a->[$_], $b->[$_];
1091 }
1092
1093 } elsif ($a ne $b) {
1094 return 0;
1095 }
1096
1097 1
1098}
1099
1100our $SLOW_MERGES;#d#
1101sub _can_merge {
1102 my ($ob1, $ob2) = @_;
1103
1104 ++$SLOW_MERGES;#d#
1105
1106 # we do the slow way here
1107 return _object_equal $ob1, $ob2
1108}
767 1109
768sub reattach { 1110sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1111 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1112 my ($obj) = @_;
771 1113
1114 # no longer needed after getting rid of delete_package?
772 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1115 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773 1116
774 my $registry = $obj->registry; 1117 my $registry = $obj->registry;
775 1118
776 @$registry = (); 1119 @$registry = ();
777 1120
… …
792cf::attachable->attach ( 1135cf::attachable->attach (
793 prio => -1000000, 1136 prio => -1000000,
794 on_instantiate => sub { 1137 on_instantiate => sub {
795 my ($obj, $data) = @_; 1138 my ($obj, $data) = @_;
796 1139
797 $data = from_json $data; 1140 $data = decode_json $data;
798 1141
799 for (@$data) { 1142 for (@$data) {
800 my ($name, $args) = @$_; 1143 my ($name, $args) = @$_;
801 1144
802 $obj->attach ($name, %{$args || {} }); 1145 $obj->attach ($name, %{$args || {} });
… …
818sub object_freezer_save { 1161sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1162 my ($filename, $rdata, $objs) = @_;
820 1163
821 sync_job { 1164 sync_job {
822 if (length $$rdata) { 1165 if (length $$rdata) {
1166 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1167 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1168 $decname, length $$rdata, scalar @$objs;
825 1169
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1170 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1171 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1172 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1173 if ($cf::USE_FSYNC) {
1174 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;
1175 aio_fsync $fh;
1176 }
830 close $fh; 1177 aio_close $fh;
831 1178
832 if (@$objs) { 1179 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1180 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1181 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1182 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1183 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 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;
1186 aio_fsync $fh;
1187 }
838 close $fh; 1188 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1189 aio_rename "$filename.pst~", "$filename.pst";
840 } 1190 }
841 } else { 1191 } else {
842 aio_unlink "$filename.pst"; 1192 aio_unlink "$filename.pst";
843 } 1193 }
844 1194
845 aio_rename "$filename~", $filename; 1195 aio_rename "$filename~", $filename;
1196
1197 $filename =~ s%/[^/]+$%%;
1198 aio_pathsync $filename if $cf::USE_FSYNC;
846 } else { 1199 } else {
847 warn "FATAL: $filename~: $!\n"; 1200 warn "unable to save objects: $filename~: $!\n";
848 } 1201 }
849 } else { 1202 } else {
850 aio_unlink $filename; 1203 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1204 aio_unlink "$filename.pst";
852 } 1205 }
853 } 1206 };
854} 1207}
855 1208
856sub object_freezer_as_string { 1209sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1210 my ($rdata, $objs) = @_;
858 1211
… …
870 or return; 1223 or return;
871 1224
872 unless (aio_stat "$filename.pst") { 1225 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1226 (aio_load "$filename.pst", $av) >= 0
874 or return; 1227 or return;
1228
875 $av = eval { (Storable::thaw $av)->{objs} }; 1229 my $st = eval { Coro::Storable::thaw $av };
1230 $av = $st->{objs};
876 } 1231 }
877 1232
1233 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1234 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1235 $decname, length $data, scalar @{$av || []};
1236
880 return ($data, $av); 1237 ($data, $av)
881} 1238}
1239
1240=head2 COMMAND CALLBACKS
1241
1242=over 4
1243
1244=cut
882 1245
883############################################################################# 1246#############################################################################
884# command handling &c 1247# command handling &c
885 1248
886=item cf::register_command $name => \&callback($ob,$args); 1249=item cf::register_command $name => \&callback($ob,$args);
… …
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1262 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1263}
901 1264
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1265=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1266
904Register a callbackf ro execution when the client sends an extcmd packet. 1267Register a callback for execution when the client sends an (synchronous)
1268extcmd packet. Ext commands will be processed in the order they are
1269received by the server, like other user commands. The first argument is
1270the logged-in player. Ext commands can only be processed after a player
1271has logged in successfully.
905 1272
906If the callback returns something, it is sent back as if reply was being 1273If the callback returns something, it is sent back as if reply was being
907called. 1274called.
908 1275
1276=item cf::register_exticmd $name => \&callback($ns,$packet);
1277
1278Register a callback for execution when the client sends an (asynchronous)
1279exticmd packet. Exti commands are processed by the server as soon as they
1280are received, i.e. out of order w.r.t. other commands. The first argument
1281is a client socket. Exti commands can be received anytime, even before
1282log-in.
1283
1284If the callback returns something, it is sent back as if reply was being
1285called.
1286
909=cut 1287=cut
910 1288
911sub register_extcmd { 1289sub register_extcmd {
912 my ($name, $cb) = @_; 1290 my ($name, $cb) = @_;
913 1291
914 $EXTCMD{$name} = $cb; 1292 $EXTCMD{$name} = $cb;
915} 1293}
1294
1295sub register_exticmd {
1296 my ($name, $cb) = @_;
1297
1298 $EXTICMD{$name} = $cb;
1299}
1300
1301use File::Glob ();
916 1302
917cf::player->attach ( 1303cf::player->attach (
918 on_command => sub { 1304 on_command => sub {
919 my ($pl, $name, $params) = @_; 1305 my ($pl, $name, $params) = @_;
920 1306
… …
928 cf::override; 1314 cf::override;
929 }, 1315 },
930 on_extcmd => sub { 1316 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1317 my ($pl, $buf) = @_;
932 1318
933 my $msg = eval { from_json $buf }; 1319 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1320
935 if (ref $msg) { 1321 if (ref $msg) {
1322 my ($type, $reply, @payload) =
1323 "ARRAY" eq ref $msg
1324 ? @$msg
1325 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1326
1327 my @reply;
1328
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1329 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1330 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1331 }
1332
1333 $pl->ext_reply ($reply, @reply)
1334 if $reply;
1335
941 } else { 1336 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1337 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1338 }
944 1339
945 cf::override; 1340 cf::override;
946 }, 1341 },
947); 1342);
948 1343
1344# "readahead" all extensions
949sub load_extension { 1345sub cache_extensions {
950 my ($path) = @_; 1346 my $grp = IO::AIO::aio_group;
951 1347
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1348 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953 my $base = $1; 1349 for (grep /\.ext$/, @{$_[0]}) {
954 my $pkg = $1; 1350 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 } 1351 }
977 die $@;
978 } 1352 };
979 1353
980 push @EXTS, $pkg; 1354 $grp
981} 1355}
982 1356
983sub load_extensions { 1357sub load_extensions {
1358 cf::sync_job {
1359 my %todo;
1360
984 for my $ext (<$LIBDIR/*.ext>) { 1361 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1362 next unless -r $path;
986 eval { 1363
987 load_extension $ext; 1364 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1365 my $base = $1;
1366 my $pkg = $1;
1367 $pkg =~ s/[^[:word:]]/_/g;
1368 $pkg = "ext::$pkg";
1369
1370 open my $fh, "<:utf8", $path
1371 or die "$path: $!";
1372
1373 my $source = do { local $/; <$fh> };
1374
1375 my %ext = (
1376 path => $path,
1377 base => $base,
1378 pkg => $pkg,
1379 );
1380
1381 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1382 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1383
1384 $ext{source} =
1385 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1386 . "#line 1 \"$path\"\n{\n"
1387 . $source
1388 . "\n};\n1";
1389
1390 $todo{$base} = \%ext;
1391 }
1392
1393 my %done;
1394 while (%todo) {
1395 my $progress;
1396
1397 while (my ($k, $v) = each %todo) {
1398 for (split /,\s*/, $v->{meta}{depends}) {
1399 goto skip
1400 unless exists $done{$_};
1401 }
1402
1403 warn "... loading '$k' into '$v->{pkg}'\n";
1404
1405 unless (eval $v->{source}) {
1406 my $msg = $@ ? "$v->{path}: $@\n"
1407 : "$v->{base}: extension inactive.\n";
1408
1409 if (exists $v->{meta}{mandatory}) {
1410 warn $msg;
1411 cf::cleanup "mandatory extension failed to load, exiting.";
1412 }
1413
1414 warn $msg;
1415 }
1416
1417 $done{$k} = delete $todo{$k};
1418 push @EXTS, $v->{pkg};
1419 $progress = 1;
988 1 1420 }
989 } or warn "$ext not loaded: $@"; 1421
1422 skip:
1423 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1424 unless $progress;
1425 }
990 } 1426 };
991} 1427}
992 1428
993############################################################################# 1429#############################################################################
994 1430
1431=back
1432
995=head2 CORE EXTENSIONS 1433=head2 CORE EXTENSIONS
996 1434
997Functions and methods that extend core crossfire objects. 1435Functions and methods that extend core deliantra objects.
998 1436
999=cut 1437=cut
1000 1438
1001package cf::player; 1439package cf::player;
1002 1440
1003use Coro::AIO; 1441use Coro::AIO;
1004 1442
1005=head3 cf::player 1443=head3 cf::player
1006 1444
1007=over 4 1445=over 4
1446
1447=item cf::player::num_playing
1448
1449Returns the official number of playing players, as per the Crossfire metaserver rules.
1450
1451=cut
1452
1453sub num_playing {
1454 scalar grep
1455 $_->ob->map
1456 && !$_->hidden
1457 && !$_->ob->flag (cf::FLAG_WIZ),
1458 cf::player::list
1459}
1008 1460
1009=item cf::player::find $login 1461=item cf::player::find $login
1010 1462
1011Returns the given player object, loading it if necessary (might block). 1463Returns the given player object, loading it if necessary (might block).
1012 1464
… …
1031 1483
1032sub exists($) { 1484sub exists($) {
1033 my ($login) = @_; 1485 my ($login) = @_;
1034 1486
1035 $cf::PLAYER{$login} 1487 $cf::PLAYER{$login}
1036 or cf::sync_job { !aio_stat path $login } 1488 or !aio_stat path $login
1037} 1489}
1038 1490
1039sub find($) { 1491sub find($) {
1040 return $cf::PLAYER{$_[0]} || do { 1492 return $cf::PLAYER{$_[0]} || do {
1041 my $login = $_[0]; 1493 my $login = $_[0];
… …
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1500 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1501 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1502 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1503 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1504
1053 my $pl = load_pl path $login 1505 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1506 or return;
1507
1508 my $pl = cf::player::load_pl $f
1509 or return;
1510
1511 local $cf::PLAYER_LOADING{$login} = $pl;
1512 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1513 $cf::PLAYER{$login} = $pl
1056 } 1514 }
1057 } 1515 }
1058} 1516}
1059 1517
… …
1068 return if $pl->{deny_save}; 1526 return if $pl->{deny_save};
1069 1527
1070 aio_mkdir playerdir $pl, 0770; 1528 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1529 $pl->{last_save} = $cf::RUNTIME;
1072 1530
1531 cf::get_slot 0.01;
1532
1073 $pl->save_pl ($path); 1533 $pl->save_pl ($path);
1074 Coro::cede; 1534 cf::cede_to_tick;
1075} 1535}
1076 1536
1077sub new($) { 1537sub new($) {
1078 my ($login) = @_; 1538 my ($login) = @_;
1079 1539
… …
1085 $cf::PLAYER{$login} = $self; 1545 $cf::PLAYER{$login} = $self;
1086 1546
1087 $self 1547 $self
1088} 1548}
1089 1549
1550=item $player->send_msg ($channel, $msg, $color, [extra...])
1551
1552=cut
1553
1554sub send_msg {
1555 my $ns = shift->ns
1556 or return;
1557 $ns->send_msg (@_);
1558}
1559
1090=item $pl->quit_character 1560=item $pl->quit_character
1091 1561
1092Nukes the player without looking back. If logged in, the connection will 1562Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1563be destroyed. May block for a long time.
1094 1564
… …
1098 my ($pl) = @_; 1568 my ($pl) = @_;
1099 1569
1100 my $name = $pl->ob->name; 1570 my $name = $pl->ob->name;
1101 1571
1102 $pl->{deny_save} = 1; 1572 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1573 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1104 1574
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1575 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1576 $pl->deactivate;
1577 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1578 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1579 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1580 $pl->ns->destroy if $pl->ns;
1109 1581
1110 my $path = playerdir $pl; 1582 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1583 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1147 or return []; 1619 or return [];
1148 1620
1149 my @logins; 1621 my @logins;
1150 1622
1151 for my $login (@$dirs) { 1623 for my $login (@$dirs) {
1624 my $path = path $login;
1625
1626 # a .pst is a dead give-away for a valid player
1627 # if no pst file found, open and chekc for blocked users
1628 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1629 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1630 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1631 $buf !~ /^password -------------$/m or next; # official not-valid tag
1632 }
1155 1633
1156 utf8::decode $login; 1634 utf8::decode $login;
1157 push @logins, $login; 1635 push @logins, $login;
1158 } 1636 }
1159 1637
… …
1186 } 1664 }
1187 1665
1188 \@paths 1666 \@paths
1189} 1667}
1190 1668
1669=item $protocol_xml = $player->expand_cfpod ($cfpod)
1670
1671Expand deliantra pod fragments into protocol xml.
1672
1191=item $player->ext_reply ($msgid, %msg) 1673=item $player->ext_reply ($msgid, @msg)
1192 1674
1193Sends an ext reply to the player. 1675Sends an ext reply to the player.
1194 1676
1195=cut 1677=cut
1196 1678
1197sub ext_reply($$%) { 1679sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1680 my ($self, $id, @msg) = @_;
1199 1681
1200 $msg{msgid} = $id; 1682 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1683}
1204 1684
1205=item $player->ext_event ($type, %msg) 1685=item $player->ext_msg ($type, @msg)
1206 1686
1207Sends an ext event to the client. 1687Sends an ext event to the client.
1208 1688
1209=cut 1689=cut
1210 1690
1211sub ext_event($$%) { 1691sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1692 my ($self, $type, @msg) = @_;
1213 1693
1214 $self->ns->ext_event ($type, %msg); 1694 $self->ns->ext_msg ($type, @msg);
1215} 1695}
1216 1696
1217=head3 cf::region 1697=head3 cf::region
1218 1698
1219=over 4 1699=over 4
… …
1222 1702
1223package cf::region; 1703package cf::region;
1224 1704
1225=item cf::region::find_by_path $path 1705=item cf::region::find_by_path $path
1226 1706
1227Tries to decuce the probable region for a map knowing only its path. 1707Tries to decuce the likely region for a map knowing only its path.
1228 1708
1229=cut 1709=cut
1230 1710
1231sub find_by_path($) { 1711sub find_by_path($) {
1232 my ($path) = @_; 1712 my ($path) = @_;
1233 1713
1234 my ($match, $specificity); 1714 my ($match, $specificity);
1235 1715
1236 for my $region (list) { 1716 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1717 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1718 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1719 if $region->specificity > $specificity;
1240 } 1720 }
1241 } 1721 }
1242 1722
… …
1263our $MAX_RESET = 3600; 1743our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1744our $DEFAULT_RESET = 3000;
1265 1745
1266sub generate_random_map { 1746sub generate_random_map {
1267 my ($self, $rmp) = @_; 1747 my ($self, $rmp) = @_;
1748
1749 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1750
1268 # mit "rum" bekleckern, nicht 1751 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1752 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1753 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1754 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1755 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1306 my ($self, $merge) = @_; 1789 my ($self, $merge) = @_;
1307 1790
1308 # we have to keep some variables in memory intact 1791 # we have to keep some variables in memory intact
1309 local $self->{path}; 1792 local $self->{path};
1310 local $self->{load_path}; 1793 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1794
1314 $self->SUPER::thawer_merge ($merge); 1795 $self->SUPER::thawer_merge ($merge);
1315} 1796}
1316 1797
1317sub normalise { 1798sub normalise {
… …
1364 $self->init; # pass $1 etc. 1845 $self->init; # pass $1 etc.
1365 return $self; 1846 return $self;
1366 } 1847 }
1367 } 1848 }
1368 1849
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1850 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1851 ()
1371} 1852}
1372 1853
1373sub init { 1854sub init {
1374 my ($self) = @_; 1855 my ($self) = @_;
… …
1396 1877
1397# the temporary/swap location 1878# the temporary/swap location
1398sub save_path { 1879sub save_path {
1399 my ($self) = @_; 1880 my ($self) = @_;
1400 1881
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1882 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1883 "$TMPDIR/$path.map"
1403} 1884}
1404 1885
1405# the unique path, undef == no special unique path 1886# the unique path, undef == no special unique path
1406sub uniq_path { 1887sub uniq_path {
1407 my ($self) = @_; 1888 my ($self) = @_;
1408 1889
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1890 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1891 "$UNIQUEDIR/$path"
1411} 1892}
1412 1893
1413# and all this just because we cannot iterate over 1894sub decay_objects {
1414# all maps in C++...
1415sub change_all_map_light {
1416 my ($change) = @_; 1895 my ($self) = @_;
1417 1896
1418 $_->change_map_light ($change) 1897 return if $self->{deny_reset};
1419 for grep $_->outdoor, values %cf::MAP; 1898
1899 $self->do_decay_objects;
1420} 1900}
1421 1901
1422sub unlink_save { 1902sub unlink_save {
1423 my ($self) = @_; 1903 my ($self) = @_;
1424 1904
… …
1429 1909
1430sub load_header_from($) { 1910sub load_header_from($) {
1431 my ($self, $path) = @_; 1911 my ($self, $path) = @_;
1432 1912
1433 utf8::encode $path; 1913 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1914 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1915 or return;
1916
1917 $self->_load_header ($f)
1918 or return;
1919
1920 local $MAP_LOADING{$self->{path}} = $self;
1921 $f->resolve_delayed_derefs;
1439 1922
1440 $self->{load_path} = $path; 1923 $self->{load_path} = $path;
1441 1924
1442 1 1925 1
1443} 1926}
… …
1482 $self->load_header_orig 1965 $self->load_header_orig
1483 or return; 1966 or return;
1484 $self->prepare_orig; 1967 $self->prepare_orig;
1485 } 1968 }
1486 1969
1970 $self->{deny_reset} = 1
1971 if $self->no_reset;
1972
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1973 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1974 unless $self->default_region;
1489 1975
1490 1 1976 1
1491} 1977}
… …
1494sub find { 1980sub find {
1495 my ($path, $origin) = @_; 1981 my ($path, $origin) = @_;
1496 1982
1497 $path = normalise $path, $origin && $origin->path; 1983 $path = normalise $path, $origin && $origin->path;
1498 1984
1985 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1986 my $guard2 = cf::lock_acquire "map_find:$path";
1500 1987
1501 $cf::MAP{$path} || do { 1988 $cf::MAP{$path} || do {
1502 my $guard = cf::lock_acquire "map_find:$path";
1503 my $map = new_from_path cf::map $path 1989 my $map = new_from_path cf::map $path
1504 or return; 1990 or return;
1505 1991
1506 $map->{last_save} = $cf::RUNTIME; 1992 $map->{last_save} = $cf::RUNTIME;
1507 1993
1508 $map->load_header 1994 $map->load_header
1509 or return; 1995 or return;
1510 1996
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1997 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1998 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1999 #$cf::WAIT_FOR_TICK->wait;
2000 undef $guard2;
2001 undef $guard1;
1514 $map->reset; 2002 $map->reset;
1515 undef $guard;
1516 return find $path; 2003 return find $path;
1517 } 2004 }
1518 2005
1519 $cf::MAP{$path} = $map 2006 $cf::MAP{$path} = $map
1520 } 2007 }
… …
1529 local $self->{deny_reset} = 1; # loading can take a long time 2016 local $self->{deny_reset} = 1; # loading can take a long time
1530 2017
1531 my $path = $self->{path}; 2018 my $path = $self->{path};
1532 2019
1533 { 2020 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2021 my $guard = cf::lock_acquire "map_data:$path";
1535 2022
2023 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2024 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2025
1538 $self->in_memory (cf::MAP_LOADING); 2026 $self->in_memory (cf::MAP_LOADING);
1539 2027
1540 $self->alloc; 2028 $self->alloc;
1541 2029
1542 $self->pre_load; 2030 $self->pre_load;
1543 Coro::cede; 2031 cf::cede_to_tick;
1544 2032
2033 my $f = new_from_file cf::object::thawer $self->{load_path};
2034 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2035 $self->_load_objects ($f)
1546 or return; 2036 or return;
1547 2037
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2038 $self->post_load_original
1549 if delete $self->{load_original}; 2039 if delete $self->{load_original};
1550 2040
1551 if (my $uniq = $self->uniq_path) { 2041 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2042 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2043 unless (aio_stat $uniq) {
2044 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2045 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2046 $self->_load_objects ($f);
2047 $f->resolve_delayed_derefs;
2048 }
1556 } 2049 }
1557 } 2050 }
1558 2051
1559 Coro::cede; 2052 $f->resolve_delayed_derefs;
2053
2054 cf::cede_to_tick;
1560 # now do the right thing for maps 2055 # now do the right thing for maps
1561 $self->link_multipart_objects; 2056 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2057 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2058 unless $self->difficulty;
1564 Coro::cede; 2059 cf::cede_to_tick;
1565 2060
1566 unless ($self->{deny_activate}) { 2061 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2062 $self->decay_objects;
1568 $self->fix_auto_apply; 2063 $self->fix_auto_apply;
1569 $self->update_buttons; 2064 $self->update_buttons;
1570 Coro::cede; 2065 cf::cede_to_tick;
1571 $self->set_darkness_map;
1572 Coro::cede;
1573 $self->activate; 2066 $self->activate;
1574 } 2067 }
1575 2068
2069 $self->{last_save} = $cf::RUNTIME;
2070 $self->last_access ($cf::RUNTIME);
2071
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2072 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2073 }
1578 2074
1579 $self->post_load; 2075 $self->post_load;
1580} 2076}
1581 2077
… …
1583 my ($self, $ob) = @_; 2079 my ($self, $ob) = @_;
1584 2080
1585 return find "~" . $ob->name . "/" . $self->{path} 2081 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2082 if $self->per_player;
1587 2083
2084# return find "?party/" . $ob->name . "/" . $self->{path}
2085# if $self->per_party;
2086
1588 $self 2087 $self
1589} 2088}
1590 2089
1591# find and load all maps in the 3x3 area around a map 2090# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2091sub load_neighbours {
1593 my ($map) = @_; 2092 my ($map) = @_;
1594 2093
1595 my @diag; # diagonal neighbours 2094 my @neigh; # diagonal neighbours
1596 2095
1597 for (0 .. 3) { 2096 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2097 my $neigh = $map->tile_path ($_)
1599 or next; 2098 or next;
1600 $neigh = find $neigh, $map 2099 $neigh = find $neigh, $map
1601 or next; 2100 or next;
1602 $neigh->load; 2101 $neigh->load;
1603 2102
2103 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2104 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2105 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2106 }
1607 2107
1608 for (@diag) { 2108 for (grep defined $_->[0], @neigh) {
2109 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2110 my $neigh = find $path, $origin
1610 or next; 2111 or next;
1611 $neigh->load; 2112 $neigh->load;
1612 } 2113 }
1613} 2114}
1614 2115
… …
1619} 2120}
1620 2121
1621sub do_load_sync { 2122sub do_load_sync {
1622 my ($map) = @_; 2123 my ($map) = @_;
1623 2124
2125 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2126 if $Coro::current == $Coro::main;
2127
1624 cf::sync_job { $map->load }; 2128 cf::sync_job { $map->load };
1625} 2129}
1626 2130
1627our %MAP_PREFETCH; 2131our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2132our $MAP_PREFETCHER = undef;
1629 2133
1630sub find_async { 2134sub find_async {
1631 my ($path, $origin) = @_; 2135 my ($path, $origin, $load) = @_;
1632 2136
1633 $path = normalise $path, $origin && $origin->{path}; 2137 $path = normalise $path, $origin && $origin->{path};
1634 2138
1635 if (my $map = $cf::MAP{$path}) { 2139 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2140 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2141 }
1638 2142
1639 undef $MAP_PREFETCH{$path}; 2143 $MAP_PREFETCH{$path} |= $load;
2144
1640 $MAP_PREFETCHER ||= cf::async { 2145 $MAP_PREFETCHER ||= cf::async {
2146 $Coro::current->{desc} = "map prefetcher";
2147
1641 while (%MAP_PREFETCH) { 2148 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2149 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2150 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2151 $map->load if $v;
2152 }
1646 2153
1647 delete $MAP_PREFETCH{$path}; 2154 delete $MAP_PREFETCH{$k};
1648 } 2155 }
1649 } 2156 }
1650 undef $MAP_PREFETCHER; 2157 undef $MAP_PREFETCHER;
1651 }; 2158 };
1652 $MAP_PREFETCHER->prio (6); 2159 $MAP_PREFETCHER->prio (6);
… …
1655} 2162}
1656 2163
1657sub save { 2164sub save {
1658 my ($self) = @_; 2165 my ($self) = @_;
1659 2166
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2167 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2168
1662 $self->{last_save} = $cf::RUNTIME; 2169 $self->{last_save} = $cf::RUNTIME;
1663 2170
1664 return unless $self->dirty; 2171 return unless $self->dirty;
1665 2172
… …
1671 return if $self->{deny_save}; 2178 return if $self->{deny_save};
1672 2179
1673 local $self->{last_access} = $self->last_access;#d# 2180 local $self->{last_access} = $self->last_access;#d#
1674 2181
1675 cf::async { 2182 cf::async {
2183 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2184 $_->contr->save for $self->players;
1677 }; 2185 };
2186
2187 cf::get_slot 0.02;
1678 2188
1679 if ($uniq) { 2189 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2190 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2191 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2192 } else {
… …
1688 my ($self) = @_; 2198 my ($self) = @_;
1689 2199
1690 # save first because save cedes 2200 # save first because save cedes
1691 $self->save; 2201 $self->save;
1692 2202
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2203 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2204
1695 return if $self->players; 2205 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2206 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2207 return if $self->{deny_save};
1698 2208
2209 $self->in_memory (cf::MAP_SWAPPED);
2210
2211 $self->deactivate;
2212 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2213 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2214}
1702 2215
1703sub reset_at { 2216sub reset_at {
1704 my ($self) = @_; 2217 my ($self) = @_;
1705 2218
1706 # TODO: safety, remove and allow resettable per-player maps 2219 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2220 return 1e99 if $self->{deny_reset};
1709 2221
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2222 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2223 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2224
… …
1723 my ($self) = @_; 2235 my ($self) = @_;
1724 2236
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2237 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2238
1727 return if $self->players; 2239 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2240
1730 warn "resetting map ", $self->path;#d# 2241 warn "resetting map ", $self->path, "\n";
1731 2242
1732 $self->in_memory (cf::MAP_SWAPPED); 2243 $self->in_memory (cf::MAP_SWAPPED);
1733 2244
1734 # need to save uniques path 2245 # need to save uniques path
1735 unless ($self->{deny_save}) { 2246 unless ($self->{deny_save}) {
… …
1739 if $uniq; 2250 if $uniq;
1740 } 2251 }
1741 2252
1742 delete $cf::MAP{$self->path}; 2253 delete $cf::MAP{$self->path};
1743 2254
2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2257 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2258
1748 $self->unlink_save; 2259 $self->unlink_save;
1749 $self->destroy; 2260 $self->destroy;
1750} 2261}
1751 2262
1752my $nuke_counter = "aaaa"; 2263my $nuke_counter = "aaaa";
1753 2264
1754sub nuke { 2265sub nuke {
1755 my ($self) = @_; 2266 my ($self) = @_;
1756 2267
2268 {
2269 my $lock = cf::lock_acquire "map_data:$self->{path}";
2270
1757 delete $cf::MAP{$self->path}; 2271 delete $cf::MAP{$self->path};
1758 2272
1759 $self->unlink_save; 2273 $self->unlink_save;
1760 2274
1761 bless $self, "cf::map"; 2275 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2276 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2277 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2278 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2279 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2280
1767 $cf::MAP{$self->path} = $self; 2281 $cf::MAP{$self->path} = $self;
2282 }
1768 2283
1769 $self->reset; # polite request, might not happen 2284 $self->reset; # polite request, might not happen
2285}
2286
2287=item $maps = cf::map::tmp_maps
2288
2289Returns an arrayref with all map paths of currently instantiated and saved
2290maps. May block.
2291
2292=cut
2293
2294sub tmp_maps() {
2295 [
2296 map {
2297 utf8::decode $_;
2298 /\.map$/
2299 ? normalise $_
2300 : ()
2301 } @{ aio_readdir $TMPDIR or [] }
2302 ]
2303}
2304
2305=item $maps = cf::map::random_maps
2306
2307Returns an arrayref with all map paths of currently instantiated and saved
2308random maps. May block.
2309
2310=cut
2311
2312sub random_maps() {
2313 [
2314 map {
2315 utf8::decode $_;
2316 /\.map$/
2317 ? normalise "?random/$_"
2318 : ()
2319 } @{ aio_readdir $RANDOMDIR or [] }
2320 ]
1770} 2321}
1771 2322
1772=item cf::map::unique_maps 2323=item cf::map::unique_maps
1773 2324
1774Returns an arrayref of paths of all shared maps that have 2325Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2326instantiated unique items. May block.
1776 2327
1777=cut 2328=cut
1778 2329
1779sub unique_maps() { 2330sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2331 [
1781 or return; 2332 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2333 utf8::decode $_;
1787 next if /\.pst$/; 2334 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2335 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2336 ? ()
1790 push @paths, cf::map::normalise $_; 2337 : normalise $_
2338 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2339 ]
1792
1793 \@paths
1794} 2340}
1795
1796package cf;
1797 2341
1798=back 2342=back
1799 2343
1800=head3 cf::object 2344=head3 cf::object
1801 2345
… …
1805 2349
1806=over 4 2350=over 4
1807 2351
1808=item $ob->inv_recursive 2352=item $ob->inv_recursive
1809 2353
1810Returns the inventory of the object _and_ their inventories, recursively. 2354Returns the inventory of the object I<and> their inventories, recursively,
2355but I<not> the object itself.
1811 2356
1812=cut 2357=cut
1813 2358
1814sub inv_recursive_; 2359sub inv_recursive_;
1815sub inv_recursive_ { 2360sub inv_recursive_ {
… …
1818 2363
1819sub inv_recursive { 2364sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2365 inv_recursive_ inv $_[0]
1821} 2366}
1822 2367
2368=item $ref = $ob->ref
2369
2370Creates and returns a persistent reference to an object that can be stored as a string.
2371
2372=item $ob = cf::object::deref ($refstring)
2373
2374returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2375even if the object actually exists. May block.
2376
2377=cut
2378
2379sub deref {
2380 my ($ref) = @_;
2381
2382 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2383 my ($uuid, $name) = ($1, $2);
2384 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2385 or return;
2386 $pl->ob->uuid eq $uuid
2387 or return;
2388
2389 $pl->ob
2390 } else {
2391 warn "$ref: cannot resolve object reference\n";
2392 undef
2393 }
2394}
2395
1823package cf; 2396package cf;
1824 2397
1825=back 2398=back
1826 2399
1827=head3 cf::object::player 2400=head3 cf::object::player
… …
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2406Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2407can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2408dialogue with the given NPC character.
1836 2409
1837=cut 2410=cut
2411
2412our $SAY_CHANNEL = {
2413 id => "say",
2414 title => "Map",
2415 reply => "say ",
2416 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2417};
2418
2419our $CHAT_CHANNEL = {
2420 id => "chat",
2421 title => "Chat",
2422 reply => "chat ",
2423 tooltip => "Player chat and shouts, global to the server.",
2424};
1838 2425
1839# rough implementation of a future "reply" method that works 2426# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2427# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2428#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2429sub cf::object::player::reply($$$;$) {
… …
1844 2431
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2432 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2433
1847 if ($self->{record_replies}) { 2434 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2435 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2436
1849 } else { 2437 } else {
2438 my $pl = $self->contr;
2439
2440 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2441 my $dialog = $pl->{npc_dialog};
2442 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443
2444 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2445 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2446 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447 }
1852 } 2448 }
2449}
2450
2451=item $object->send_msg ($channel, $msg, $color, [extra...])
2452
2453=cut
2454
2455sub cf::object::send_msg {
2456 my $pl = shift->contr
2457 or return;
2458 $pl->send_msg (@_);
1853} 2459}
1854 2460
1855=item $player_object->may ("access") 2461=item $player_object->may ("access")
1856 2462
1857Returns wether the given player is authorized to access resource "access" 2463Returns wether the given player is authorized to access resource "access"
… …
1870 2476
1871=item $player_object->enter_link 2477=item $player_object->enter_link
1872 2478
1873Freezes the player and moves him/her to a special map (C<{link}>). 2479Freezes the player and moves him/her to a special map (C<{link}>).
1874 2480
1875The player should be reasonably safe there for short amounts of time. You 2481The player should be reasonably safe there for short amounts of time (e.g.
1876I<MUST> call C<leave_link> as soon as possible, though. 2482for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2483though, as the palyer cannot control the character while it is on the link
2484map.
1877 2485
1878Will never block. 2486Will never block.
1879 2487
1880=item $player_object->leave_link ($map, $x, $y) 2488=item $player_object->leave_link ($map, $x, $y)
1881 2489
… …
1904 $self->deactivate_recursive; 2512 $self->deactivate_recursive;
1905 2513
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2514 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2515
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2516 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2517 if $self->map && $self->map->{path} ne "{link}";
1910 2518
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2519 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2520}
1913 2521
1914sub cf::object::player::leave_link { 2522sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2523 my ($self, $map, $x, $y) = @_;
2524
2525 return unless $self->contr->active;
1916 2526
1917 my $link_pos = delete $self->{_link_pos}; 2527 my $link_pos = delete $self->{_link_pos};
1918 2528
1919 unless ($map) { 2529 unless ($map) {
1920 # restore original map position 2530 # restore original map position
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2544 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2545 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2546 if $x <=0 && $y <= 0;
1937 2547
1938 $map->load; 2548 $map->load;
1939 $map->load_diag; 2549 $map->load_neighbours;
1940 2550
1941 return unless $self->contr->active; 2551 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2552
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2553 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2554 $self->enter_map ($map, $x, $y);
1946}
1947 2555
1948cf::player->attach ( 2556 # only activate afterwards, to support waiting in hooks
1949 on_logout => sub { 2557 $self->activate_recursive;
1950 my ($pl) = @_; 2558}
1951 2559
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2560=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2561
1982Moves the player to the given map-path and coordinates by first freezing 2562Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2563her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2564that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2565the new (success) or old (failed) map position. In either case, $done will
2566be called at the end of this process.
1986 2567
2568Note that $check will be called with a potentially non-loaded map, so if
2569it needs a loaded map it has to call C<< ->load >>.
2570
1987=cut 2571=cut
2572
2573our $GOTOGEN;
1988 2574
1989sub cf::object::player::goto { 2575sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2576 my ($self, $path, $x, $y, $check, $done) = @_;
2577
2578 # do generation counting so two concurrent goto's will be executed in-order
2579 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991 2580
1992 $self->enter_link; 2581 $self->enter_link;
1993 2582
1994 (async { 2583 (async {
2584 $Coro::current->{desc} = "player::goto $path $x $y";
2585
2586 # *tag paths override both path and x|y
2587 if ($path =~ /^\*(.*)$/) {
2588 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2589 my $ob = $obs[rand @obs];
2590
2591 # see if we actually can go there
2592 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2593 $ob = $obs[rand @obs];
2594 } else {
2595 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2596 }
2597 # else put us there anyways for now #d#
2598
2599 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2600 } else {
2601 ($path, $x, $y) = (undef, undef, undef);
2602 }
2603 }
2604
1995 my $map = eval { 2605 my $map = eval {
1996 my $map = cf::map::find $path; 2606 my $map = defined $path ? cf::map::find $path : undef;
1997 2607
1998 if ($map) { 2608 if ($map) {
1999 $map = $map->customise_for ($self); 2609 $map = $map->customise_for ($self);
2000 $map = $check->($map) if $check && $map; 2610 $map = $check->($map) if $check && $map;
2001 } else { 2611 } else {
2002 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2612 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003 } 2613 }
2004 2614
2005 $map 2615 $map
2006 }; 2616 };
2007 2617
2008 if ($@) { 2618 if ($@) {
2009 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2619 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010 LOG llevError | logBacktrace, Carp::longmess $@; 2620 LOG llevError | logBacktrace, Carp::longmess $@;
2011 } 2621 }
2012 2622
2623 if ($gen == $self->{_goto_generation}) {
2624 delete $self->{_goto_generation};
2013 $self->leave_link ($map, $x, $y); 2625 $self->leave_link ($map, $x, $y);
2626 }
2627
2628 $done->() if $done;
2014 })->prio (1); 2629 })->prio (1);
2015} 2630}
2016 2631
2017=item $player_object->enter_exit ($exit_object) 2632=item $player_object->enter_exit ($exit_object)
2018 2633
… …
2038} 2653}
2039 2654
2040sub prepare_random_map { 2655sub prepare_random_map {
2041 my ($exit) = @_; 2656 my ($exit) = @_;
2042 2657
2043 my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045 # all this does is basically replace the /! path by 2658 # all this does is basically replace the /! path by
2046 # a new random map path (?random/...) with a seed 2659 # a new random map path (?random/...) with a seed
2047 # that depends on the exit object 2660 # that depends on the exit object
2048 2661
2049 my $rmp = parse_random_map_params $exit->msg; 2662 my $rmp = parse_random_map_params $exit->msg;
… …
2051 if ($exit->map) { 2664 if ($exit->map) {
2052 $rmp->{region} = $exit->region->name; 2665 $rmp->{region} = $exit->region->name;
2053 $rmp->{origin_map} = $exit->map->path; 2666 $rmp->{origin_map} = $exit->map->path;
2054 $rmp->{origin_x} = $exit->x; 2667 $rmp->{origin_x} = $exit->x;
2055 $rmp->{origin_y} = $exit->y; 2668 $rmp->{origin_y} = $exit->y;
2669
2670 $exit->map->touch;
2056 } 2671 }
2057 2672
2058 $rmp->{random_seed} ||= $exit->random_seed; 2673 $rmp->{random_seed} ||= $exit->random_seed;
2059 2674
2060 my $data = cf::to_json $rmp; 2675 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061 my $md5 = Digest::MD5::md5_hex $data; 2676 my $md5 = Digest::MD5::md5_hex $data;
2062 my $meta = "$RANDOMDIR/$md5.meta"; 2677 my $meta = "$RANDOMDIR/$md5.meta";
2063 2678
2064 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2679 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065 aio_write $fh, 0, (length $data), $data, 0; 2680 aio_write $fh, 0, (length $data), $data, 0;
2066 undef $fh; 2681 undef $fh;
2067 aio_rename "$meta~", $meta; 2682 aio_rename "$meta~", $meta;
2068 2683
2684 my $slaying = "?random/$md5";
2685
2686 if ($exit->valid) {
2069 $exit->slaying ("?random/$md5"); 2687 $exit->slaying ("?random/$md5");
2070 $exit->msg (undef); 2688 $exit->msg (undef);
2689 }
2071 } 2690 }
2072} 2691}
2073 2692
2074sub cf::object::player::enter_exit { 2693sub cf::object::player::enter_exit {
2075 my ($self, $exit) = @_; 2694 my ($self, $exit) = @_;
2076 2695
2077 return unless $self->type == cf::PLAYER; 2696 return unless $self->type == cf::PLAYER;
2078 2697
2079 if ($exit->slaying eq "/!") {
2080 #TODO: this should de-fi-ni-te-ly not be a sync-job
2081 # the problem is that $exit might not survive long enough
2082 # so it needs to be done right now, right here
2083 cf::sync_job { prepare_random_map $exit };
2084 }
2085
2086 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087 my $hp = $exit->stats->hp;
2088 my $sp = $exit->stats->sp;
2089
2090 $self->enter_link; 2698 $self->enter_link;
2091 2699
2092 (async { 2700 (async {
2093 $self->deactivate_recursive; # just to be sure 2701 $Coro::current->{desc} = "enter_exit";
2702
2094 unless (eval { 2703 unless (eval {
2704 $self->deactivate_recursive; # just to be sure
2705
2706 # random map handling
2707 {
2708 my $guard = cf::lock_acquire "exit_prepare:$exit";
2709
2710 prepare_random_map $exit
2711 if $exit->slaying eq "/!";
2712 }
2713
2714 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2715 my $x = $exit->stats->hp;
2716 my $y = $exit->stats->sp;
2717
2095 $self->goto ($slaying, $hp, $sp); 2718 $self->goto ($map, $x, $y);
2096 2719
2720 # if exit is damned, update players death & WoR home-position
2721 $self->contr->savebed ($map, $x, $y)
2722 if $exit->flag (cf::FLAG_DAMNED);
2723
2097 1; 2724 1
2098 }) { 2725 }) {
2099 $self->message ("Something went wrong deep within the crossfire server. " 2726 $self->message ("Something went wrong deep within the deliantra server. "
2100 . "I'll try to bring you back to the map you were before. " 2727 . "I'll try to bring you back to the map you were before. "
2101 . "Please report this to the dungeon master!", 2728 . "Please report this to the dungeon master!",
2102 cf::NDI_UNIQUE | cf::NDI_RED); 2729 cf::NDI_UNIQUE | cf::NDI_RED);
2103 2730
2104 warn "ERROR in enter_exit: $@"; 2731 warn "ERROR in enter_exit: $@";
… …
2123 2750
2124 utf8::encode $text; 2751 utf8::encode $text;
2125 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2752 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126} 2753}
2127 2754
2755=item $client->send_msg ($channel, $msg, $color, [extra...])
2756
2757Send a drawinfo or msg packet to the client, formatting the msg for the
2758client if neccessary. C<$type> should be a string identifying the type of
2759the message, with C<log> being the default. If C<$color> is negative, suppress
2760the message unless the client supports the msg packet.
2761
2762=cut
2763
2764# non-persistent channels (usually the info channel)
2765our %CHANNEL = (
2766 "c/identify" => {
2767 id => "infobox",
2768 title => "Identify",
2769 reply => undef,
2770 tooltip => "Items recently identified",
2771 },
2772 "c/examine" => {
2773 id => "infobox",
2774 title => "Examine",
2775 reply => undef,
2776 tooltip => "Signs and other items you examined",
2777 },
2778 "c/book" => {
2779 id => "infobox",
2780 title => "Book",
2781 reply => undef,
2782 tooltip => "The contents of a note or book",
2783 },
2784 "c/lookat" => {
2785 id => "infobox",
2786 title => "Look",
2787 reply => undef,
2788 tooltip => "What you saw there",
2789 },
2790 "c/who" => {
2791 id => "infobox",
2792 title => "Players",
2793 reply => undef,
2794 tooltip => "Shows players who are currently online",
2795 },
2796 "c/body" => {
2797 id => "infobox",
2798 title => "Body Parts",
2799 reply => undef,
2800 tooltip => "Shows which body parts you posess and are available",
2801 },
2802 "c/statistics" => {
2803 id => "infobox",
2804 title => "Statistics",
2805 reply => undef,
2806 tooltip => "Shows your primary statistics",
2807 },
2808 "c/skills" => {
2809 id => "infobox",
2810 title => "Skills",
2811 reply => undef,
2812 tooltip => "Shows your experience per skill and item power",
2813 },
2814 "c/shopitems" => {
2815 id => "infobox",
2816 title => "Shop Items",
2817 reply => undef,
2818 tooltip => "Shows the items currently for sale in this shop",
2819 },
2820 "c/resistances" => {
2821 id => "infobox",
2822 title => "Resistances",
2823 reply => undef,
2824 tooltip => "Shows your resistances",
2825 },
2826 "c/pets" => {
2827 id => "infobox",
2828 title => "Pets",
2829 reply => undef,
2830 tooltip => "Shows information abotu your pets/a specific pet",
2831 },
2832 "c/perceiveself" => {
2833 id => "infobox",
2834 title => "Perceive Self",
2835 reply => undef,
2836 tooltip => "You gained detailed knowledge about yourself",
2837 },
2838 "c/uptime" => {
2839 id => "infobox",
2840 title => "Uptime",
2841 reply => undef,
2842 tooltip => "How long the server has been running since last restart",
2843 },
2844 "c/mapinfo" => {
2845 id => "infobox",
2846 title => "Map Info",
2847 reply => undef,
2848 tooltip => "Information related to the maps",
2849 },
2850 "c/party" => {
2851 id => "party",
2852 title => "Party",
2853 reply => "gsay ",
2854 tooltip => "Messages and chat related to your party",
2855 },
2856 "c/death" => {
2857 id => "death",
2858 title => "Death",
2859 reply => undef,
2860 tooltip => "Reason for and more info about your most recent death",
2861 },
2862 "c/say" => $SAY_CHANNEL,
2863 "c/chat" => $CHAT_CHANNEL,
2864);
2865
2866sub cf::client::send_msg {
2867 my ($self, $channel, $msg, $color, @extra) = @_;
2868
2869 $msg = $self->pl->expand_cfpod ($msg)
2870 unless $color & cf::NDI_VERBATIM;
2871
2872 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873
2874 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) {
2876 $channel = $CHANNEL{$channel};
2877
2878 $self->ext_msg (channel_info => $channel);
2879 $channel = $channel->{id};
2880
2881 } elsif (ref $channel) {
2882 # send meta info to client, if not yet sent
2883 unless (exists $self->{channel}{$channel->{id}}) {
2884 $self->{channel}{$channel->{id}} = $channel;
2885 $self->ext_msg (channel_info => $channel);
2886 }
2887
2888 $channel = $channel->{id};
2889 }
2890
2891 return unless @extra || length $msg;
2892
2893 # default colour, mask it out
2894 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2895 if $color & cf::NDI_DEF;
2896
2897 my $pkt = "msg "
2898 . $self->{json_coder}->encode (
2899 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2900 );
2901
2902 # try lzf for large packets
2903 $pkt = "lzf " . Compress::LZF::compress $pkt
2904 if 1024 <= length $pkt and $self->{can_lzf};
2905
2906 # split very large packets
2907 if (8192 < length $pkt and $self->{can_lzf}) {
2908 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2909 $pkt = "frag";
2910 }
2911
2912 $self->send_packet ($pkt);
2913}
2914
2128=item $client->ext_event ($type, %msg) 2915=item $client->ext_msg ($type, @msg)
2129 2916
2130Sends an exti event to the client. 2917Sends an ext event to the client.
2131 2918
2132=cut 2919=cut
2133 2920
2134sub cf::client::ext_event($$%) { 2921sub cf::client::ext_msg($$@) {
2135 my ($self, $type, %msg) = @_; 2922 my ($self, $type, @msg) = @_;
2136 2923
2924 if ($self->extcmd == 2) {
2925 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2926 } elsif ($self->extcmd == 1) { # TODO: remove
2137 $msg{msgtype} = "event_$type"; 2927 push @msg, msgtype => "event_$type";
2138 $self->send_packet ("ext " . cf::to_json \%msg); 2928 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929 }
2930}
2931
2932=item $client->ext_reply ($msgid, @msg)
2933
2934Sends an ext reply to the client.
2935
2936=cut
2937
2938sub cf::client::ext_reply($$@) {
2939 my ($self, $id, @msg) = @_;
2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2943 } elsif ($self->extcmd == 1) {
2944 #TODO: version 1, remove
2945 unshift @msg, msgtype => "reply", msgid => $id;
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2139} 2948}
2140 2949
2141=item $success = $client->query ($flags, "text", \&cb) 2950=item $success = $client->query ($flags, "text", \&cb)
2142 2951
2143Queues a query to the client, calling the given callback with 2952Queues a query to the client, calling the given callback with
2144the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2953the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2954C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146 2955
2147Queries can fail, so check the return code. Or don't, as queries will become 2956Queries can fail, so check the return code. Or don't, as queries will
2148reliable at some point in the future. 2957become reliable at some point in the future.
2149 2958
2150=cut 2959=cut
2151 2960
2152sub cf::client::query { 2961sub cf::client::query {
2153 my ($self, $flags, $text, $cb) = @_; 2962 my ($self, $flags, $text, $cb) = @_;
… …
2161 utf8::encode $text; 2970 utf8::encode $text;
2162 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2971 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163 2972
2164 $self->send_packet ($self->{query_queue}[0][0]) 2973 $self->send_packet ($self->{query_queue}[0][0])
2165 if @{ $self->{query_queue} } == 1; 2974 if @{ $self->{query_queue} } == 1;
2975
2976 1
2166} 2977}
2167 2978
2168cf::client->attach ( 2979cf::client->attach (
2980 on_connect => sub {
2981 my ($ns) = @_;
2982
2983 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2984 },
2169 on_reply => sub { 2985 on_reply => sub {
2170 my ($ns, $msg) = @_; 2986 my ($ns, $msg) = @_;
2171 2987
2172 # this weird shuffling is so that direct followup queries 2988 # this weird shuffling is so that direct followup queries
2173 # get handled first 2989 # get handled first
… …
2185 } else { 3001 } else {
2186 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3002 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187 } 3003 }
2188 } 3004 }
2189 }, 3005 },
3006 on_exticmd => sub {
3007 my ($ns, $buf) = @_;
3008
3009 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3010
3011 if (ref $msg) {
3012 my ($type, $reply, @payload) =
3013 "ARRAY" eq ref $msg
3014 ? @$msg
3015 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3016
3017 my @reply;
3018
3019 if (my $cb = $EXTICMD{$type}) {
3020 @reply = $cb->($ns, @payload);
3021 }
3022
3023 $ns->ext_reply ($reply, @reply)
3024 if $reply;
3025
3026 } else {
3027 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3028 }
3029
3030 cf::override;
3031 },
2190); 3032);
2191 3033
2192=item $client->async (\&cb) 3034=item $client->async (\&cb)
2193 3035
2194Create a new coroutine, running the specified callback. The coroutine will 3036Create a new coroutine, running the specified callback. The coroutine will
… …
2235our $safe = new Safe "safe"; 3077our $safe = new Safe "safe";
2236our $safe_hole = new Safe::Hole; 3078our $safe_hole = new Safe::Hole;
2237 3079
2238$SIG{FPE} = 'IGNORE'; 3080$SIG{FPE} = 'IGNORE';
2239 3081
2240$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3082$safe->permit_only (Opcode::opset qw(
3083 :base_core :base_mem :base_orig :base_math
3084 grepstart grepwhile mapstart mapwhile
3085 sort time
3086));
2241 3087
2242# here we export the classes and methods available to script code 3088# here we export the classes and methods available to script code
2243 3089
2244=pod 3090=pod
2245 3091
2246The following functions and methods are available within a safe environment: 3092The following functions and methods are available within a safe environment:
2247 3093
2248 cf::object contr pay_amount pay_player map 3094 cf::object
3095 contr pay_amount pay_player map x y force_find force_add destroy
3096 insert remove name archname title slaying race decrease split
3097 value
3098
2249 cf::object::player player 3099 cf::object::player
2250 cf::player peaceful 3100 player
2251 cf::map trigger 3101
3102 cf::player
3103 peaceful
3104
3105 cf::map
3106 trigger
2252 3107
2253=cut 3108=cut
2254 3109
2255for ( 3110for (
2256 ["cf::object" => qw(contr pay_amount pay_player map)], 3111 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3112 insert remove inv nrof name archname title slaying race
3113 decrease split destroy change_exp value msg lore send_msg)],
2257 ["cf::object::player" => qw(player)], 3114 ["cf::object::player" => qw(player)],
2258 ["cf::player" => qw(peaceful)], 3115 ["cf::player" => qw(peaceful send_msg)],
2259 ["cf::map" => qw(trigger)], 3116 ["cf::map" => qw(trigger)],
2260) { 3117) {
2261 no strict 'refs'; 3118 no strict 'refs';
2262 my ($pkg, @funs) = @$_; 3119 my ($pkg, @funs) = @$_;
2263 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3120 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2280 my ($code, %vars) = @_; 3137 my ($code, %vars) = @_;
2281 3138
2282 my $qcode = $code; 3139 my $qcode = $code;
2283 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3140 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2284 $qcode =~ s/\n/\\n/g; 3141 $qcode =~ s/\n/\\n/g;
3142
3143 %vars = (_dummy => 0) unless %vars;
2285 3144
2286 local $_; 3145 local $_;
2287 local @safe::cf::_safe_eval_args = values %vars; 3146 local @safe::cf::_safe_eval_args = values %vars;
2288 3147
2289 my $eval = 3148 my $eval =
… …
2332=back 3191=back
2333 3192
2334=cut 3193=cut
2335 3194
2336############################################################################# 3195#############################################################################
2337
2338=head2 EXTENSION DATABASE SUPPORT
2339
2340Crossfire maintains a very simple database for extension use. It can
2341currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342convert to/from binary).
2343
2344The parameter C<$family> should best start with the name of the extension
2345using it, it should be unique.
2346
2347=over 4
2348
2349=item $value = cf::db_get $family => $key
2350
2351Returns a single value from the database.
2352
2353=item cf::db_put $family => $key => $value
2354
2355Stores the given C<$value> in the family.
2356
2357=cut
2358
2359our $DB;
2360
2361sub db_init {
2362 unless ($DB) {
2363 $DB = BDB::db_create $DB_ENV;
2364
2365 cf::sync_job {
2366 eval {
2367 $DB->set_flags (BDB::CHKSUM);
2368
2369 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371 cf::cleanup "db_open(db): $!" if $!;
2372 };
2373 cf::cleanup "db_open(db): $@" if $@;
2374 };
2375 }
2376}
2377
2378sub db_get($$) {
2379 my $key = "$_[0]/$_[1]";
2380
2381 cf::sync_job {
2382 BDB::db_get $DB, undef, $key, my $data;
2383
2384 $! ? ()
2385 : $data
2386 }
2387}
2388
2389sub db_put($$$) {
2390 BDB::dbreq_pri 4;
2391 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392}
2393
2394=item cf::cache $id => [$paths...], $processversion => $process
2395
2396Generic caching function that returns the value of the resource $id,
2397caching and regenerating as required.
2398
2399This function can block.
2400
2401=cut
2402
2403sub cache {
2404 my ($id, $src, $processversion, $process) = @_;
2405
2406 my $meta =
2407 join "\x00",
2408 $processversion,
2409 map {
2410 aio_stat $_
2411 and Carp::croak "$_: $!";
2412
2413 ($_, (stat _)[7,9])
2414 } @$src;
2415
2416 my $dbmeta = db_get cache => "$id/meta";
2417 if ($dbmeta ne $meta) {
2418 # changed, we may need to process
2419
2420 my @data;
2421 my $md5;
2422
2423 for (0 .. $#$src) {
2424 0 <= aio_load $src->[$_], $data[$_]
2425 or Carp::croak "$src->[$_]: $!";
2426 }
2427
2428 # if processing is expensive, check
2429 # checksum first
2430 if (1) {
2431 $md5 =
2432 join "\x00",
2433 $processversion,
2434 map {
2435 Coro::cede;
2436 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2437 } 0.. $#$src;
2438
2439
2440 my $dbmd5 = db_get cache => "$id/md5";
2441 if ($dbmd5 eq $md5) {
2442 db_put cache => "$id/meta", $meta;
2443
2444 return db_get cache => "$id/data";
2445 }
2446 }
2447
2448 my $t1 = Time::HiRes::time;
2449 my $data = $process->(\@data);
2450 my $t2 = Time::HiRes::time;
2451
2452 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454 db_put cache => "$id/data", $data;
2455 db_put cache => "$id/md5" , $md5;
2456 db_put cache => "$id/meta", $meta;
2457
2458 return $data;
2459 }
2460
2461 db_get cache => "$id/data"
2462}
2463
2464=item fork_call { }, $args
2465
2466Executes the given code block with the given arguments in a seperate
2467process, returning the results. Everything must be serialisable with
2468Coro::Storable. May, of course, block. Note that the executed sub may
2469never block itself or use any form of Event handling.
2470
2471=cut
2472
2473sub fork_call(&@) {
2474 my ($cb, @args) = @_;
2475
2476# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477# or die "socketpair: $!";
2478 pipe my $fh1, my $fh2
2479 or die "pipe: $!";
2480
2481 if (my $pid = fork) {
2482 close $fh2;
2483
2484 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485 $res = Coro::Storable::thaw $res;
2486
2487 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489 die $$res unless "ARRAY" eq ref $res;
2490
2491 return wantarray ? @$res : $res->[-1];
2492 } else {
2493 reset_signals;
2494 local $SIG{__WARN__};
2495 local $SIG{__DIE__};
2496 eval {
2497 close $fh1;
2498
2499 my @res = eval { $cb->(@args) };
2500 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501 };
2502
2503 warn $@ if $@;
2504 _exit 0;
2505 }
2506}
2507
2508
2509
2510#############################################################################
2511# the server's init and main functions 3196# the server's init and main functions
2512 3197
2513sub load_facedata($) { 3198sub load_facedata($) {
2514 my ($path) = @_; 3199 my ($path) = @_;
3200
3201 # HACK to clear player env face cache, we need some signal framework
3202 # for this (global event?)
3203 %ext::player_env::MUSIC_FACE_CACHE = ();
3204
3205 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515 3206
2516 warn "loading facedata from $path\n"; 3207 warn "loading facedata from $path\n";
2517 3208
2518 my $facedata; 3209 my $facedata;
2519 0 < aio_load $path, $facedata 3210 0 < aio_load $path, $facedata
… …
2522 $facedata = Coro::Storable::thaw $facedata; 3213 $facedata = Coro::Storable::thaw $facedata;
2523 3214
2524 $facedata->{version} == 2 3215 $facedata->{version} == 2
2525 or cf::cleanup "$path: version mismatch, cannot proceed."; 3216 or cf::cleanup "$path: version mismatch, cannot proceed.";
2526 3217
3218 # patch in the exptable
3219 $facedata->{resource}{"res/exp_table"} = {
3220 type => FT_RSRC,
3221 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3222 };
3223 cf::cede_to_tick;
3224
2527 { 3225 {
2528 my $faces = $facedata->{faceinfo}; 3226 my $faces = $facedata->{faceinfo};
2529 3227
2530 while (my ($face, $info) = each %$faces) { 3228 while (my ($face, $info) = each %$faces) {
2531 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3229 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3230
2532 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3231 cf::face::set_visibility $idx, $info->{visibility};
3232 cf::face::set_magicmap $idx, $info->{magicmap};
2533 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3233 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3234 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535 Coro::cede; 3235
3236 cf::cede_to_tick;
2536 } 3237 }
2537 3238
2538 while (my ($face, $info) = each %$faces) { 3239 while (my ($face, $info) = each %$faces) {
2539 next unless $info->{smooth}; 3240 next unless $info->{smooth};
3241
2540 my $idx = cf::face::find $face 3242 my $idx = cf::face::find $face
2541 or next; 3243 or next;
3244
2542 if (my $smooth = cf::face::find $info->{smooth}) { 3245 if (my $smooth = cf::face::find $info->{smooth}) {
3246 cf::face::set_smooth $idx, $smooth;
2543 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3247 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544 } else { 3248 } else {
2545 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3249 warn "smooth face '$info->{smooth}' not found for face '$face'";
2546 } 3250 }
2547 Coro::cede; 3251
3252 cf::cede_to_tick;
2548 } 3253 }
2549 } 3254 }
2550 3255
2551 { 3256 {
2552 my $anims = $facedata->{animinfo}; 3257 my $anims = $facedata->{animinfo};
2553 3258
2554 while (my ($anim, $info) = each %$anims) { 3259 while (my ($anim, $info) = each %$anims) {
2555 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3260 cf::anim::set $anim, $info->{frames}, $info->{facings};
2556 Coro::cede; 3261 cf::cede_to_tick;
2557 } 3262 }
2558 3263
2559 cf::anim::invalidate_all; # d'oh 3264 cf::anim::invalidate_all; # d'oh
2560 } 3265 }
2561 3266
3267 {
3268 # TODO: for gcfclient pleasure, we should give resources
3269 # that gcfclient doesn't grok a >10000 face index.
3270 my $res = $facedata->{resource};
3271
3272 while (my ($name, $info) = each %$res) {
3273 if (defined $info->{type}) {
3274 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3275 my $data;
3276
3277 if ($info->{type} & 1) {
3278 # prepend meta info
3279
3280 my $meta = $enc->encode ({
3281 name => $name,
3282 %{ $info->{meta} || {} },
3283 });
3284
3285 $data = pack "(w/a*)*", $meta, $info->{data};
3286 } else {
3287 $data = $info->{data};
3288 }
3289
3290 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3291 cf::face::set_type $idx, $info->{type};
3292 } else {
3293 $RESOURCE{$name} = $info;
3294 }
3295
3296 cf::cede_to_tick;
3297 }
3298 }
3299
3300 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3301
2562 1 3302 1
2563} 3303}
2564 3304
3305cf::global->attach (on_resource_update => sub {
3306 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3307 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3308
3309 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3310 my $sound = $soundconf->{compat}[$_]
3311 or next;
3312
3313 my $face = cf::face::find "sound/$sound->[1]";
3314 cf::sound::set $sound->[0] => $face;
3315 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3316 }
3317
3318 while (my ($k, $v) = each %{$soundconf->{event}}) {
3319 my $face = cf::face::find "sound/$v";
3320 cf::sound::set $k => $face;
3321 }
3322 }
3323});
3324
3325register_exticmd fx_want => sub {
3326 my ($ns, $want) = @_;
3327
3328 while (my ($k, $v) = each %$want) {
3329 $ns->fx_want ($k, $v);
3330 }
3331};
3332
3333sub load_resource_file($) {
3334 my $guard = lock_acquire "load_resource_file";
3335
3336 my $status = load_resource_file_ $_[0];
3337 get_slot 0.1, 100;
3338 cf::arch::commit_load;
3339
3340 $status
3341}
3342
2565sub reload_regions { 3343sub reload_regions {
3344 # HACK to clear player env face cache, we need some signal framework
3345 # for this (global event?)
3346 %ext::player_env::MUSIC_FACE_CACHE = ();
3347
2566 load_resource_file "$MAPDIR/regions" 3348 load_resource_file "$MAPDIR/regions"
2567 or die "unable to load regions file\n"; 3349 or die "unable to load regions file\n";
3350
3351 for (cf::region::list) {
3352 $_->{match} = qr/$_->{match}/
3353 if exists $_->{match};
3354 }
2568} 3355}
2569 3356
2570sub reload_facedata { 3357sub reload_facedata {
2571 load_facedata "$DATADIR/facedata" 3358 load_facedata "$DATADIR/facedata"
2572 or die "unable to load facedata\n"; 3359 or die "unable to load facedata\n";
… …
2583} 3370}
2584 3371
2585sub reload_resources { 3372sub reload_resources {
2586 warn "reloading resource files...\n"; 3373 warn "reloading resource files...\n";
2587 3374
2588 reload_regions;
2589 reload_facedata; 3375 reload_facedata;
2590 reload_archetypes; 3376 reload_archetypes;
3377 reload_regions;
2591 reload_treasures; 3378 reload_treasures;
2592 3379
2593 warn "finished reloading resource files\n"; 3380 warn "finished reloading resource files\n";
2594} 3381}
2595 3382
2596sub init { 3383sub reload_config {
2597 reload_resources;
2598}
2599
2600sub cfg_load {
2601 open my $fh, "<:utf8", "$CONFDIR/config" 3384 open my $fh, "<:utf8", "$CONFDIR/config"
2602 or return; 3385 or return;
2603 3386
2604 local $/; 3387 local $/;
2605 *CFG = YAML::Syck::Load <$fh>; 3388 *CFG = YAML::Load <$fh>;
2606 3389
2607 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3390 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608 3391
2609 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3392 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3393 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2616 }; 3399 };
2617 warn $@ if $@; 3400 warn $@ if $@;
2618 } 3401 }
2619} 3402}
2620 3403
3404sub pidfile() {
3405 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3406 or die "$PIDFILE: $!";
3407 flock $fh, &Fcntl::LOCK_EX
3408 or die "$PIDFILE: flock: $!";
3409 $fh
3410}
3411
3412# make sure only one server instance is running at any one time
3413sub atomic {
3414 my $fh = pidfile;
3415
3416 my $pid = <$fh>;
3417 kill 9, $pid if $pid > 0;
3418
3419 seek $fh, 0, 0;
3420 print $fh $$;
3421}
3422
3423sub main_loop {
3424 warn "EV::loop starting\n";
3425 if (1) {
3426 EV::loop;
3427 }
3428 warn "EV::loop returned\n";
3429 goto &main_loop unless $REALLY_UNLOOP;
3430}
3431
2621sub main { 3432sub main {
3433 cf::init_globals; # initialise logging
3434
3435 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3436 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3437 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3438 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3439
3440 cf::init_experience;
3441 cf::init_anim;
3442 cf::init_attackmess;
3443 cf::init_dynamic;
3444
3445 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3446
2622 # we must not ever block the main coroutine 3447 # we must not ever block the main coroutine
2623 local $Coro::idle = sub { 3448 local $Coro::idle = sub {
2624 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3449 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625 (async { 3450 (async {
2626 Event::one_event; 3451 $Coro::current->{desc} = "IDLE BUG HANDLER";
3452 EV::loop EV::LOOP_ONESHOT;
2627 })->prio (Coro::PRIO_MAX); 3453 })->prio (Coro::PRIO_MAX);
2628 }; 3454 };
2629 3455
2630 cfg_load; 3456 evthread_start IO::AIO::poll_fileno;
3457
3458 cf::sync_job {
3459 reload_resources;
3460 reload_config;
2631 db_init; 3461 db_init;
3462
3463 cf::load_settings;
3464 cf::load_materials;
3465 cf::init_uuid;
3466 cf::init_signals;
3467 cf::init_commands;
3468 cf::init_skills;
3469
3470 cf::init_beforeplay;
3471
3472 atomic;
3473
2632 load_extensions; 3474 load_extensions;
2633 3475
2634 $TICK_WATCHER->start; 3476 utime time, time, $RUNTIMEFILE;
2635 Event::loop; 3477
3478 # no (long-running) fork's whatsoever before this point(!)
3479 use POSIX ();
3480 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3481
3482 (pop @POST_INIT)->(0) while @POST_INIT;
3483 };
3484
3485 main_loop;
2636} 3486}
2637 3487
2638############################################################################# 3488#############################################################################
2639# initialisation and cleanup 3489# initialisation and cleanup
2640 3490
2641# install some emergency cleanup handlers 3491# install some emergency cleanup handlers
2642BEGIN { 3492BEGIN {
3493 our %SIGWATCHER = ();
2643 for my $signal (qw(INT HUP TERM)) { 3494 for my $signal (qw(INT HUP TERM)) {
2644 Event->signal ( 3495 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2645 reentrant => 0,
2646 data => WF_AUTOCANCEL,
2647 signal => $signal,
2648 prio => 0,
2649 cb => sub {
2650 cf::cleanup "SIG$signal"; 3496 cf::cleanup "SIG$signal";
2651 },
2652 ); 3497 };
3498 }
3499}
3500
3501sub write_runtime_sync {
3502 # first touch the runtime file to show we are still running:
3503 # the fsync below can take a very very long time.
3504
3505 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3506
3507 my $guard = cf::lock_acquire "write_runtime";
3508
3509 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = $cf::RUNTIME + 90 + 10;
3513 # 10 is the runtime save interval, for a monotonic clock
3514 # 60 allows for the watchdog to kill the server.
3515
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return;
3518
3519 # always fsync - this file is important
3520 aio_fsync $fh
3521 and return;
3522
3523 # touch it again to show we are up-to-date
3524 aio_utime $fh, undef, undef;
3525
3526 close $fh
3527 or return;
3528
3529 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3530 and return;
3531
3532 warn "runtime file written.\n";
3533
2653 } 3534 1
3535}
3536
3537our $uuid_lock;
3538our $uuid_skip;
3539
3540sub write_uuid_sync($) {
3541 $uuid_skip ||= $_[0];
3542
3543 return if $uuid_lock;
3544 local $uuid_lock = 1;
3545
3546 my $uuid = "$LOCALDIR/uuid";
3547
3548 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3549 or return;
3550
3551 my $value = uuid_seq uuid_cur;
3552
3553 unless ($value) {
3554 warn "cowardly refusing to write zero uuid value!\n";
3555 return;
3556 }
3557
3558 my $value = uuid_str $value + $uuid_skip;
3559 $uuid_skip = 0;
3560
3561 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3562 and return;
3563
3564 # always fsync - this file is important
3565 aio_fsync $fh
3566 and return;
3567
3568 close $fh
3569 or return;
3570
3571 aio_rename "$uuid~", $uuid
3572 and return;
3573
3574 warn "uuid file written ($value).\n";
3575
3576 1
3577
3578}
3579
3580sub write_uuid($$) {
3581 my ($skip, $sync) = @_;
3582
3583 $sync ? write_uuid_sync $skip
3584 : async { write_uuid_sync $skip };
2654} 3585}
2655 3586
2656sub emergency_save() { 3587sub emergency_save() {
2657 my $freeze_guard = cf::freeze_mainloop; 3588 my $freeze_guard = cf::freeze_mainloop;
2658 3589
2659 warn "enter emergency perl save\n"; 3590 warn "emergency_perl_save: enter\n";
2660 3591
2661 cf::sync_job { 3592 cf::sync_job {
3593 # this is a trade-off: we want to be very quick here, so
3594 # save all maps without fsync, and later call a global sync
3595 # (which in turn might be very very slow)
3596 local $USE_FSYNC = 0;
3597
2662 # use a peculiar iteration method to avoid tripping on perl 3598 # use a peculiar iteration method to avoid tripping on perl
2663 # refcount bugs in for. also avoids problems with players 3599 # refcount bugs in for. also avoids problems with players
2664 # and maps saved/destroyed asynchronously. 3600 # and maps saved/destroyed asynchronously.
2665 warn "begin emergency player save\n"; 3601 warn "emergency_perl_save: begin player save\n";
2666 for my $login (keys %cf::PLAYER) { 3602 for my $login (keys %cf::PLAYER) {
2667 my $pl = $cf::PLAYER{$login} or next; 3603 my $pl = $cf::PLAYER{$login} or next;
2668 $pl->valid or next; 3604 $pl->valid or next;
3605 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669 $pl->save; 3606 $pl->save;
2670 } 3607 }
2671 warn "end emergency player save\n"; 3608 warn "emergency_perl_save: end player save\n";
2672 3609
2673 warn "begin emergency map save\n"; 3610 warn "emergency_perl_save: begin map save\n";
2674 for my $path (keys %cf::MAP) { 3611 for my $path (keys %cf::MAP) {
2675 my $map = $cf::MAP{$path} or next; 3612 my $map = $cf::MAP{$path} or next;
2676 $map->valid or next; 3613 $map->valid or next;
2677 $map->save; 3614 $map->save;
2678 } 3615 }
2679 warn "end emergency map save\n"; 3616 warn "emergency_perl_save: end map save\n";
2680 3617
2681 warn "begin emergency database checkpoint\n"; 3618 warn "emergency_perl_save: begin database checkpoint\n";
2682 BDB::db_env_txn_checkpoint $DB_ENV; 3619 BDB::db_env_txn_checkpoint $DB_ENV;
2683 warn "end emergency database checkpoint\n"; 3620 warn "emergency_perl_save: end database checkpoint\n";
3621
3622 warn "emergency_perl_save: begin write uuid\n";
3623 write_uuid_sync 1;
3624 warn "emergency_perl_save: end write uuid\n";
2684 }; 3625 };
2685 3626
3627 warn "emergency_perl_save: starting sync()\n";
3628 IO::AIO::aio_sync sub {
3629 warn "emergency_perl_save: finished sync()\n";
3630 };
3631
2686 warn "leave emergency perl save\n"; 3632 warn "emergency_perl_save: leave\n";
2687} 3633}
2688 3634
2689sub post_cleanup { 3635sub post_cleanup {
2690 my ($make_core) = @_; 3636 my ($make_core) = @_;
2691 3637
2692 warn Carp::longmess "post_cleanup backtrace" 3638 warn Carp::longmess "post_cleanup backtrace"
2693 if $make_core; 3639 if $make_core;
3640
3641 my $fh = pidfile;
3642 unlink $PIDFILE if <$fh> == $$;
3643}
3644
3645# a safer delete_package, copied from Symbol
3646sub clear_package($) {
3647 my $pkg = shift;
3648
3649 # expand to full symbol table name if needed
3650 unless ($pkg =~ /^main::.*::$/) {
3651 $pkg = "main$pkg" if $pkg =~ /^::/;
3652 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3653 $pkg .= '::' unless $pkg =~ /::$/;
3654 }
3655
3656 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3657 my $stem_symtab = *{$stem}{HASH};
3658
3659 defined $stem_symtab and exists $stem_symtab->{$leaf}
3660 or return;
3661
3662 # clear all symbols
3663 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3664 for my $name (keys %$leaf_symtab) {
3665 _gv_clear *{"$pkg$name"};
3666# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3667 }
3668 warn "cleared package $pkg\n";#d#
2694} 3669}
2695 3670
2696sub do_reload_perl() { 3671sub do_reload_perl() {
2697 # can/must only be called in main 3672 # can/must only be called in main
2698 if ($Coro::current != $Coro::main) { 3673 if ($Coro::current != $Coro::main) {
2699 warn "can only reload from main coroutine"; 3674 warn "can only reload from main coroutine";
2700 return; 3675 return;
2701 } 3676 }
2702 3677
3678 return if $RELOAD++;
3679
3680 my $t1 = EV::time;
3681
3682 while ($RELOAD) {
2703 warn "reloading..."; 3683 warn "reloading...";
2704 3684
2705 warn "entering sync_job"; 3685 warn "entering sync_job";
2706 3686
2707 cf::sync_job { 3687 cf::sync_job {
2708 cf::write_runtime; # external watchdog should not bark 3688 cf::write_runtime_sync; # external watchdog should not bark
2709 cf::emergency_save; 3689 cf::emergency_save;
2710 cf::write_runtime; # external watchdog should not bark 3690 cf::write_runtime_sync; # external watchdog should not bark
2711 3691
2712 warn "syncing database to disk"; 3692 warn "syncing database to disk";
2713 BDB::db_env_txn_checkpoint $DB_ENV; 3693 BDB::db_env_txn_checkpoint $DB_ENV;
2714 3694
2715 # if anything goes wrong in here, we should simply crash as we already saved 3695 # if anything goes wrong in here, we should simply crash as we already saved
2716 3696
2717 warn "cancelling all WF_AUTOCANCEL watchers";
2718 for (Event::all_watchers) {
2719 $_->cancel if $_->data & WF_AUTOCANCEL;
2720 }
2721
2722 warn "flushing outstanding aio requests"; 3697 warn "flushing outstanding aio requests";
2723 for (;;) {
2724 BDB::flush;
2725 IO::AIO::flush;
2726 Coro::cede;
2727 last unless IO::AIO::nreqs || BDB::nreqs; 3698 while (IO::AIO::nreqs || BDB::nreqs) {
2728 warn "iterate..."; 3699 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2729 }
2730
2731 ++$RELOAD;
2732
2733 warn "cancelling all extension coros";
2734 $_->cancel for values %EXT_CORO;
2735 %EXT_CORO = ();
2736
2737 warn "removing commands";
2738 %COMMAND = ();
2739
2740 warn "removing ext commands";
2741 %EXTCMD = ();
2742
2743 warn "unloading/nuking all extensions";
2744 for my $pkg (@EXTS) {
2745 warn "... unloading $pkg";
2746
2747 if (my $cb = $pkg->can ("unload")) {
2748 eval {
2749 $cb->($pkg);
2750 1
2751 } or warn "$pkg unloaded, but with errors: $@";
2752 } 3700 }
2753 3701
2754 warn "... nuking $pkg"; 3702 warn "cancelling all extension coros";
2755 Symbol::delete_package $pkg; 3703 $_->cancel for values %EXT_CORO;
2756 } 3704 %EXT_CORO = ();
2757 3705
2758 warn "unloading all perl modules loaded from $LIBDIR"; 3706 warn "removing commands";
2759 while (my ($k, $v) = each %INC) { 3707 %COMMAND = ();
2760 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761 3708
3709 warn "removing ext/exti commands";
3710 %EXTCMD = ();
3711 %EXTICMD = ();
3712
3713 warn "unloading/nuking all extensions";
3714 for my $pkg (@EXTS) {
2762 warn "... unloading $k"; 3715 warn "... unloading $pkg";
2763 delete $INC{$k};
2764 3716
2765 $k =~ s/\.pm$//;
2766 $k =~ s/\//::/g;
2767
2768 if (my $cb = $k->can ("unload_module")) { 3717 if (my $cb = $pkg->can ("unload")) {
3718 eval {
2769 $cb->(); 3719 $cb->($pkg);
3720 1
3721 } or warn "$pkg unloaded, but with errors: $@";
3722 }
3723
3724 warn "... clearing $pkg";
3725 clear_package $pkg;
2770 } 3726 }
2771 3727
2772 Symbol::delete_package $k; 3728 warn "unloading all perl modules loaded from $LIBDIR";
3729 while (my ($k, $v) = each %INC) {
3730 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3731
3732 warn "... unloading $k";
3733 delete $INC{$k};
3734
3735 $k =~ s/\.pm$//;
3736 $k =~ s/\//::/g;
3737
3738 if (my $cb = $k->can ("unload_module")) {
3739 $cb->();
3740 }
3741
3742 clear_package $k;
2773 } 3743 }
2774 3744
2775 warn "getting rid of safe::, as good as possible"; 3745 warn "getting rid of safe::, as good as possible";
2776 Symbol::delete_package "safe::$_" 3746 clear_package "safe::$_"
2777 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3747 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778 3748
2779 warn "unloading cf.pm \"a bit\""; 3749 warn "unloading cf.pm \"a bit\"";
2780 delete $INC{"cf.pm"}; 3750 delete $INC{"cf.pm"};
2781 delete $INC{"cf/pod.pm"}; 3751 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2782 3752
2783 # don't, removes xs symbols, too, 3753 # don't, removes xs symbols, too,
2784 # and global variables created in xs 3754 # and global variables created in xs
2785 #Symbol::delete_package __PACKAGE__; 3755 #clear_package __PACKAGE__;
2786 3756
2787 warn "unload completed, starting to reload now"; 3757 warn "unload completed, starting to reload now";
2788 3758
2789 warn "reloading cf.pm"; 3759 warn "reloading cf.pm";
2790 require cf; 3760 require cf;
2791 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3761 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792 3762
2793 warn "loading config and database again"; 3763 warn "loading config and database again";
2794 cf::cfg_load; 3764 cf::reload_config;
2795 3765
2796 warn "loading extensions"; 3766 warn "loading extensions";
2797 cf::load_extensions; 3767 cf::load_extensions;
2798 3768
3769 if ($REATTACH_ON_RELOAD) {
2799 warn "reattaching attachments to objects/players"; 3770 warn "reattaching attachments to objects/players";
2800 _global_reattach; # objects, sockets 3771 _global_reattach; # objects, sockets
2801 warn "reattaching attachments to maps"; 3772 warn "reattaching attachments to maps";
2802 reattach $_ for values %MAP; 3773 reattach $_ for values %MAP;
2803 warn "reattaching attachments to players"; 3774 warn "reattaching attachments to players";
2804 reattach $_ for values %PLAYER; 3775 reattach $_ for values %PLAYER;
3776 }
2805 3777
3778 warn "running post_init jobs";
3779 (pop @POST_INIT)->(1) while @POST_INIT;
3780
2806 warn "leaving sync_job"; 3781 warn "leaving sync_job";
2807 3782
2808 1 3783 1
2809 } or do { 3784 } or do {
2810 warn $@; 3785 warn $@;
2811 warn "error while reloading, exiting."; 3786 cf::cleanup "error while reloading, exiting.";
2812 exit 1;
2813 }; 3787 };
2814 3788
2815 warn "reloaded"; 3789 warn "reloaded";
3790 --$RELOAD;
3791 }
3792
3793 $t1 = EV::time - $t1;
3794 warn "reload completed in ${t1}s\n";
2816}; 3795};
2817 3796
2818our $RELOAD_WATCHER; # used only during reload 3797our $RELOAD_WATCHER; # used only during reload
2819 3798
2820sub reload_perl() { 3799sub reload_perl() {
2821 # doing reload synchronously and two reloads happen back-to-back, 3800 # doing reload synchronously and two reloads happen back-to-back,
2822 # coro crashes during coro_state_free->destroy here. 3801 # coro crashes during coro_state_free->destroy here.
2823 3802
2824 $RELOAD_WATCHER ||= Event->timer ( 3803 $RELOAD_WATCHER ||= cf::async {
2825 reentrant => 0, 3804 Coro::AIO::aio_wait cache_extensions;
2826 after => 0, 3805
2827 data => WF_AUTOCANCEL, 3806 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2828 cb => sub {
2829 do_reload_perl; 3807 do_reload_perl;
2830 undef $RELOAD_WATCHER; 3808 undef $RELOAD_WATCHER;
2831 }, 3809 };
2832 ); 3810 };
2833} 3811}
2834 3812
2835register_command "reload" => sub { 3813register_command "reload" => sub {
2836 my ($who, $arg) = @_; 3814 my ($who, $arg) = @_;
2837 3815
2838 if ($who->flag (FLAG_WIZ)) { 3816 if ($who->flag (FLAG_WIZ)) {
2839 $who->message ("reloading server."); 3817 $who->message ("reloading server.");
3818 async {
3819 $Coro::current->{desc} = "perl_reload";
2840 async { reload_perl }; 3820 reload_perl;
3821 };
2841 } 3822 }
2842}; 3823};
2843 3824
2844unshift @INC, $LIBDIR; 3825unshift @INC, $LIBDIR;
2845 3826
… …
2847 3828
2848our @WAIT_FOR_TICK; 3829our @WAIT_FOR_TICK;
2849our @WAIT_FOR_TICK_BEGIN; 3830our @WAIT_FOR_TICK_BEGIN;
2850 3831
2851sub wait_for_tick { 3832sub wait_for_tick {
2852 return unless $TICK_WATCHER->is_active;
2853 return if $Coro::current == $Coro::main; 3833 return if tick_inhibit || $Coro::current == $Coro::main;
2854 3834
2855 my $signal = new Coro::Signal; 3835 my $signal = new Coro::Signal;
2856 push @WAIT_FOR_TICK, $signal; 3836 push @WAIT_FOR_TICK, $signal;
2857 $signal->wait; 3837 $signal->wait;
2858} 3838}
2859 3839
2860sub wait_for_tick_begin { 3840sub wait_for_tick_begin {
2861 return unless $TICK_WATCHER->is_active;
2862 return if $Coro::current == $Coro::main; 3841 return if tick_inhibit || $Coro::current == $Coro::main;
2863 3842
2864 my $signal = new Coro::Signal; 3843 my $signal = new Coro::Signal;
2865 push @WAIT_FOR_TICK_BEGIN, $signal; 3844 push @WAIT_FOR_TICK_BEGIN, $signal;
2866 $signal->wait; 3845 $signal->wait;
2867} 3846}
2868 3847
2869 my $min = 1e6;#d# 3848sub tick {
2870 my $avg = 10;
2871$TICK_WATCHER = Event->timer (
2872 reentrant => 0,
2873 parked => 1,
2874 prio => 0,
2875 at => $NEXT_TICK || $TICK,
2876 data => WF_AUTOCANCEL,
2877 cb => sub {
2878 if ($Coro::current != $Coro::main) { 3849 if ($Coro::current != $Coro::main) {
2879 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3850 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880 unless ++$bug_warning > 10; 3851 unless ++$bug_warning > 10;
2881 return; 3852 return;
2882 } 3853 }
2883 3854
2884 $NOW = $tick_start = Event::time;
2885
2886 cf::server_tick; # one server iteration 3855 cf::server_tick; # one server iteration
2887 3856
2888 0 && sync_job {#d# 3857 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 for(1..10) { 3858 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890 my $t = Event::time; 3859 Coro::async_pool {
2891 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3860 $Coro::current->{desc} = "runtime saver";
2892 or die; 3861 write_runtime_sync
2893 3862 or warn "ERROR: unable to write runtime file: $!";
2894 $map->width (50);
2895 $map->height (50);
2896 $map->alloc;
2897 $map->_load_objects ("/tmp/x.map", 1);
2898 my $t = Event::time - $t;
2899
2900 #next unless $t < 0.0013;#d#
2901 if ($t < $min) {
2902 $min = $t;
2903 }
2904 $avg = $avg * 0.99 + $t * 0.01;
2905 }
2906 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907 exit 0;
2908 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909 }; 3863 };
3864 }
2910 3865
2911 $RUNTIME += $TICK;
2912 $NEXT_TICK += $TICK;
2913
2914 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915 $NEXT_RUNTIME_WRITE = $NOW + 10;
2916 Coro::async_pool {
2917 write_runtime
2918 or warn "ERROR: unable to write runtime file: $!";
2919 };
2920 }
2921
2922# my $AFTER = Event::time;
2923# warn $AFTER - $NOW;#d#
2924
2925 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3866 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926 $sig->send; 3867 $sig->send;
2927 } 3868 }
2928 while (my $sig = shift @WAIT_FOR_TICK) { 3869 while (my $sig = shift @WAIT_FOR_TICK) {
2929 $sig->send; 3870 $sig->send;
2930 } 3871 }
2931 3872
2932 $NOW = Event::time; 3873 $LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934 # if we are delayed by four ticks or more, skip them all
2935 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937 $TICK_WATCHER->at ($NEXT_TICK);
2938 $TICK_WATCHER->start;
2939
2940 $LOAD = ($NOW - $tick_start) / $TICK;
2941 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3874 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942 3875
2943 _post_tick; 3876 if (0) {
2944 3877 if ($NEXT_TICK) {
2945 3878 my $jitter = $TICK_START - $NEXT_TICK;
3879 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3880 warn "jitter $JITTER\n";#d#
3881 }
2946 }, 3882 }
2947); 3883}
2948 3884
2949{ 3885{
2950 BDB::max_poll_time $TICK * 0.1; 3886 # configure BDB
2951 $BDB_POLL_WATCHER = Event->io ( 3887
2952 reentrant => 0,
2953 fd => BDB::poll_fileno,
2954 poll => 'r',
2955 prio => 0,
2956 data => WF_AUTOCANCEL,
2957 cb => \&BDB::poll_cb,
2958 );
2959 BDB::min_parallel 8; 3888 BDB::min_parallel 8;
2960 3889 BDB::max_poll_reqs $TICK * 0.1;
2961 BDB::set_sync_prepare { 3890 $AnyEvent::BDB::WATCHER->priority (1);
2962 my $status;
2963 my $current = $Coro::current;
2964 (
2965 sub {
2966 $status = $!;
2967 $current->ready; undef $current;
2968 },
2969 sub {
2970 Coro::schedule while defined $current;
2971 $! = $status;
2972 },
2973 )
2974 };
2975 3891
2976 unless ($DB_ENV) { 3892 unless ($DB_ENV) {
2977 $DB_ENV = BDB::db_env_create; 3893 $DB_ENV = BDB::db_env_create;
3894 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3895 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3896 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3897 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3898 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978 3899
2979 cf::sync_job { 3900 cf::sync_job {
2980 eval { 3901 eval {
2981 BDB::db_env_open 3902 BDB::db_env_open
2982 $DB_ENV, 3903 $DB_ENV,
… …
2984 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3905 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3906 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986 0666; 3907 0666;
2987 3908
2988 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3909 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991 $DB_ENV->set_lk_detect;
2992 }; 3910 };
2993 3911
2994 cf::cleanup "db_env_open(db): $@" if $@; 3912 cf::cleanup "db_env_open(db): $@" if $@;
2995 }; 3913 };
2996 } 3914 }
3915
3916 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3917 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3918 };
3919 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3920 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3921 };
3922 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3923 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3924 };
2997} 3925}
2998 3926
2999{ 3927{
3928 # configure IO::AIO
3929
3000 IO::AIO::min_parallel 8; 3930 IO::AIO::min_parallel 8;
3001
3002 undef $Coro::AIO::WATCHER;
3003 IO::AIO::max_poll_time $TICK * 0.1; 3931 IO::AIO::max_poll_time $TICK * 0.1;
3004 $AIO_POLL_WATCHER = Event->io ( 3932 undef $AnyEvent::AIO::WATCHER;
3005 reentrant => 0,
3006 data => WF_AUTOCANCEL,
3007 fd => IO::AIO::poll_fileno,
3008 poll => 'r',
3009 prio => 6,
3010 cb => \&IO::AIO::poll_cb,
3011 );
3012} 3933}
3013 3934
3014my $_log_backtrace; 3935my $_log_backtrace;
3015 3936
3016sub _log_backtrace { 3937sub _log_backtrace {
… …
3019 $msg =~ s/\n//; 3940 $msg =~ s/\n//;
3020 3941
3021 # limit the # of concurrent backtraces 3942 # limit the # of concurrent backtraces
3022 if ($_log_backtrace < 2) { 3943 if ($_log_backtrace < 2) {
3023 ++$_log_backtrace; 3944 ++$_log_backtrace;
3945 my $perl_bt = Carp::longmess $msg;
3024 async { 3946 async {
3947 $Coro::current->{desc} = "abt $msg";
3948
3025 my @bt = fork_call { 3949 my @bt = fork_call {
3026 @addr = map { sprintf "%x", $_ } @addr; 3950 @addr = map { sprintf "%x", $_ } @addr;
3027 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3951 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3952 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029 or die "addr2line: $!"; 3953 or die "addr2line: $!";
… …
3037 } 3961 }
3038 3962
3039 @funcs 3963 @funcs
3040 }; 3964 };
3041 3965
3042 LOG llevInfo, "[ABT] $msg\n"; 3966 LOG llevInfo, "[ABT] $perl_bt\n";
3967 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043 LOG llevInfo, "[ABT] $_\n" for @bt; 3968 LOG llevInfo, "[ABT] $_\n" for @bt;
3044 --$_log_backtrace; 3969 --$_log_backtrace;
3045 }; 3970 };
3046 } else { 3971 } else {
3047 LOG llevInfo, "[ABT] $msg\n"; 3972 LOG llevInfo, "[ABT] $msg\n";
3048 LOG llevInfo, "[ABT] [suppressed]\n"; 3973 LOG llevInfo, "[ABT] [suppressed]\n";
3049 } 3974 }
3050} 3975}
3051 3976
3052# load additional modules 3977# load additional modules
3053use cf::pod; 3978require "cf/$_.pm" for @EXTRA_MODULES;
3054 3979
3055END { cf::emergency_save } 3980END { cf::emergency_save }
3056 3981
30571 39821
3058 3983

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