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Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.537 by root, Sun May 2 19:16:16 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98our $DATADIR = datadir;
99our $LIBDIR = "$DATADIR/ext";
100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
118
119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 121our $NEXT_TICK;
50our $NOW; 122our $USE_FSYNC = 1; # use fsync to write maps - default on
123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
126our $BDB_TRICKLE_WATCHER;
127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript);
51 130
52our %CFG; 131our %CFG;
53 132
54our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 134our $RUNTIME;
135our $NOW;
56 136
57our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
58our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
59our $LINK_MAP; # the special {link} map 139our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61 140
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 141# used to convert map paths into valid unix filenames by replacing / by ∕
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
64 153
65binmode STDOUT; 154binmode STDOUT;
66binmode STDERR; 155binmode STDERR;
67 156
68# read virtual server time, if available 157# read virtual server time, if available
69unless ($RUNTIME || !-e cf::localdir . "/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
70 open my $fh, "<", cf::localdir . "/runtime" 159 open my $fh, "<", $RUNTIMEFILE
71 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
72 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
73} 162}
74 163
75mkdir cf::localdir; 164eval "sub TICK() { $TICK } 1" or die;
76mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS;
80 165
81# a special map that is always available 166mkdir $_
82our $LINK_MAP; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
168
83our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
170
171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84 187
85############################################################################# 188#############################################################################
86 189
87=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
88 191
… …
95=item $cf::RUNTIME 198=item $cf::RUNTIME
96 199
97The time this server has run, starts at 0 and is increased by $cf::TICK on 200The time this server has run, starts at 0 and is increased by $cf::TICK on
98every server tick. 201every server tick.
99 202
100=item $cf::LIBDIR 203=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
204$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
205$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101 206
102The perl library directory, where extensions and cf-specific modules can 207Various directories - "/etc", read-only install directory, perl-library
103be found. It will be added to C<@INC> automatically. 208directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
209unique-items directory, player file directory, random maps directory and
210database environment.
104 211
105=item $cf::NOW 212=item $cf::NOW
106 213
107The time of the last (current) server tick. 214The time of the last (current) server tick.
108 215
109=item $cf::TICK 216=item $cf::TICK
110 217
111The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
112 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
113=item %cf::CFG 230=item %cf::CFG
114 231
115Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116from wherever your confdir points to. 233from wherever your confdir points to.
117 234
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 235=item cf::wait_for_tick, cf::wait_for_tick_begin
119 236
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 238returns directly I<after> the tick processing (and consequently, can only wake one process
122processing has been done. Call C<< ->wait >> on them to maximise the 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123window of cpu time available, or simply to synchronise to the server tick. 240
241=item @cf::INVOKE_RESULTS
242
243This array contains the results of the last C<invoke ()> call. When
244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
245that call.
246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
124 252
125=back 253=back
126 254
127=cut 255=cut
128 256
129BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
130 *CORE::GLOBAL::warn = sub { 258sub warn (@) { LOG llevWarn , join "", @_ }
259sub info (@) { LOG llevInfo , join "", @_ }
260sub debug(@) { LOG llevDebug, join "", @_ }
261sub trace(@) { LOG llevTrace, join "", @_ }
262
263$Coro::State::WARNHOOK = sub {
131 my $msg = join "", @_; 264 my $msg = join "", @_;
132 utf8::encode $msg;
133 265
134 $msg .= "\n" 266 $msg .= "\n"
135 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
136 268
269 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
270
137 LOG llevError, $msg; 271 LOG llevWarn, $msg;
138 }; 272};
139} 273
274$Coro::State::DIEHOOK = sub {
275 return unless $^S eq 0; # "eq", not "=="
276
277 error Carp::longmess $_[0];
278
279 if (in_main) {#d#
280 error "DIEHOOK called in main context, Coro bug?\n";#d#
281 return;#d#
282 }#d#
283
284 # kill coroutine otherwise
285 Coro::terminate
286};
140 287
141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 292@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
293@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 294@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147 295
148# we bless all objects into (empty) derived classes to force a method lookup 296# we bless all objects into (empty) derived classes to force a method lookup
149# within the Safe compartment. 297# within the Safe compartment.
150for my $pkg (qw( 298for my $pkg (qw(
151 cf::global cf::attachable 299 cf::global cf::attachable
152 cf::object cf::object::player 300 cf::object cf::object::player
153 cf::client cf::player 301 cf::client cf::player
154 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
155 cf::map cf::party cf::region 304 cf::party cf::region
156)) { 305)) {
157 no strict 'refs';
158 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159} 307}
160 308
161$Event::DIED = sub { 309$EV::DIED = sub {
162 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
163}; 311};
312
313#############################################################################
164 314
165=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
166 316
167=over 4 317=over 4
168 318
… …
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 337 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d 338 $d
189 } || "[unable to dump $_[0]: '$@']"; 339 } || "[unable to dump $_[0]: '$@']";
190} 340}
191 341
192use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
195 343
196Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
197 345
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
206 347
207Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
208 349
209=cut 350=cut
210 351
211sub to_json($) { 352our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 353
213 JSON::Syck::Dump $_[0] 354sub encode_json($) { $json_coder->encode ($_[0]) }
355sub decode_json($) { $json_coder->decode ($_[0]) }
356
357=item cf::post_init { BLOCK }
358
359Execute the given codeblock, I<after> all extensions have been (re-)loaded,
360but I<before> the server starts ticking again.
361
362The cdoeblock will have a single boolean argument to indicate whether this
363is a reload or not.
364
365=cut
366
367sub post_init(&) {
368 push @POST_INIT, shift;
214} 369}
215 370
216=item cf::lock_wait $string 371=item cf::lock_wait $string
217 372
218Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
219 374
220=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
221 376
222Wait until the given lock is available and then acquires it and returns 377Wait until the given lock is available and then acquires it and returns
223a Coro::guard object. If the guard object gets destroyed (goes out of scope, 378a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
225returned. 380returned.
226 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
227Lock names should begin with a unique identifier (for example, cf::map::find 385Lock names should begin with a unique identifier (for example, cf::map::find
228uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
229 387
230=cut 388=item $locked = cf::lock_active $string
231 389
232our %LOCK; 390Return true if the lock is currently active, i.e. somebody has locked it.
391
392=cut
393
394our $LOCKS = new Coro::SemaphoreSet;
233 395
234sub lock_wait($) { 396sub lock_wait($) {
235 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
236
237 # wait for lock, if any
238 while ($LOCK{$key}) {
239 push @{ $LOCK{$key} }, $Coro::current;
240 Coro::schedule;
241 }
242} 398}
243 399
244sub lock_acquire($) { 400sub lock_acquire($) {
245 my ($key) = @_; 401 $LOCKS->guard ($_[0])
402}
246 403
247 # wait, to be sure we are not locked 404sub lock_active($) {
248 lock_wait $key; 405 $LOCKS->count ($_[0]) < 1
249
250 $LOCK{$key} = [];
251
252 Coro::guard {
253 # wake up all waiters, to be on the safe side
254 $_->ready for @{ delete $LOCK{$key} };
255 }
256} 406}
257 407
258sub freeze_mainloop { 408sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
260 410
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 411 &Guard::guard (\&tick_inhibit_dec);
262 $TICK_WATCHER->stop; 412}
263 $guard 413
414=item cf::periodic $interval, $cb
415
416Like EV::periodic, but randomly selects a starting point so that the actions
417get spread over time.
418
419=cut
420
421sub periodic($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
427}
428
429=item cf::get_slot $time[, $priority[, $name]]
430
431Allocate $time seconds of blocking CPU time at priority C<$priority>:
432This call blocks and returns only when you have at least C<$time> seconds
433of cpu time till the next tick. The slot is only valid till the next cede.
434
435The optional C<$name> can be used to identify the job to run. It might be
436used for statistical purposes and should identify the same time-class.
437
438Useful for short background jobs.
439
440=cut
441
442our @SLOT_QUEUE;
443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
445
446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
450 my $signal = new Coro::Signal;
451 my $busy;
452
453 while () {
454 next_job:
455
456 my $avail = cf::till_tick;
457
458 for (0 .. $#SLOT_QUEUE) {
459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
461 my $job = splice @SLOT_QUEUE, $_, 1, ();
462 $job->[2]->send;
463 Coro::cede;
464 goto next_job;
465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
467 }
468 }
469
470 if (@SLOT_QUEUE) {
471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
472 push @cf::WAIT_FOR_TICK, $signal;
473 $signal->wait;
474 } else {
475 $busy = 0;
476 Coro::schedule;
477 }
478 }
479};
480
481sub get_slot($;$$) {
482 return if tick_inhibit || $Coro::current == $Coro::main;
483
484 my ($time, $pri, $name) = @_;
485
486 $time = clamp $time, 0.01, $TICK * .6;
487
488 my $sig = new Coro::Signal;
489
490 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
491 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
492 $SLOT_QUEUE->ready;
493 $sig->wait;
264} 494}
265 495
266=item cf::async { BLOCK } 496=item cf::async { BLOCK }
267 497
268Currently the same as Coro::async_pool, meaning you cannot use 498Currently the same as Coro::async_pool, meaning you cannot use
… …
273 503
274BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
275 505
276=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
277 507
278The design of crossfire+ requires that the main coro ($Coro::main) is 508The design of Deliantra requires that the main coroutine ($Coro::main)
279always able to handle events or runnable, as crossfire+ is only partly 509is always able to handle events or runnable, as Deliantra is only
280reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
511acceptable.
281 512
282If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
283the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
284server will be frozen during this time, so the block should either finish 515server will be frozen during this time, so the block should either finish
285fast or be very important. 516fast or be very important.
… …
287=cut 518=cut
288 519
289sub sync_job(&) { 520sub sync_job(&) {
290 my ($job) = @_; 521 my ($job) = @_;
291 522
292 if ($Coro::current == $Coro::main) { 523 if (in_main) {
524 my $time = AE::time;
525
293 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
294 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
295 528
296 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
297 # (but this is cancel-safe) 530
298 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
299 532
300 my $busy = 1; 533 my $busy = 1;
301 my @res; 534 my @res;
302 535
303 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
304 @res = eval { $job->() }; 538 @res = eval { $job->() };
305 warn $@ if $@; 539 error $@ if $@;
306 undef $busy; 540 undef $busy;
307 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
308 542
309 while ($busy) { 543 while ($busy) {
310 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
311 } 548 }
549 }
550
551 my $time = AE::time - $time;
552
553 $TICK_START += $time; # do not account sync jobs to server load
312 554
313 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
314 } else { 556 } else {
315 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
316 558
… …
336 $EXT_CORO{$coro+0} = $coro; 578 $EXT_CORO{$coro+0} = $coro;
337 579
338 $coro 580 $coro
339} 581}
340 582
341sub write_runtime { 583=item fork_call { }, $args
342 my $runtime = cf::localdir . "/runtime";
343 584
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 585Executes the given code block with the given arguments in a seperate
345 or return; 586process, returning the results. Everything must be serialisable with
587Coro::Storable. May, of course, block. Note that the executed sub may
588never block itself or use any form of event handling.
346 589
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 590=cut
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return;
350 591
351 aio_fsync $fh 592sub fork_call(&@) {
352 and return; 593 my ($cb, @args) = @_;
353 594
354 close $fh 595 # we seemingly have to make a local copy of the whole thing,
355 or return; 596 # otherwise perl prematurely frees the stuff :/
597 # TODO: investigate and fix (likely this will be rather laborious)
356 598
357 aio_rename "$runtime~", $runtime 599 my @res = Coro::Util::fork_eval {
358 and return; 600 reset_signals;
601 &$cb
602 }, @args;
359 603
604 wantarray ? @res : $res[-1]
605}
606
607sub objinfo {
360 1 608 (
609 "counter value" => cf::object::object_count,
610 "objects created" => cf::object::create_count,
611 "objects destroyed" => cf::object::destroy_count,
612 "freelist size" => cf::object::free_count,
613 "allocated objects" => cf::object::objects_size,
614 "active objects" => cf::object::actives_size,
615 )
616}
617
618=item $coin = coin_from_name $name
619
620=cut
621
622our %coin_alias = (
623 "silver" => "silvercoin",
624 "silvercoin" => "silvercoin",
625 "silvercoins" => "silvercoin",
626 "gold" => "goldcoin",
627 "goldcoin" => "goldcoin",
628 "goldcoins" => "goldcoin",
629 "platinum" => "platinacoin",
630 "platinumcoin" => "platinacoin",
631 "platinumcoins" => "platinacoin",
632 "platina" => "platinacoin",
633 "platinacoin" => "platinacoin",
634 "platinacoins" => "platinacoin",
635 "royalty" => "royalty",
636 "royalties" => "royalty",
637);
638
639sub coin_from_name($) {
640 $coin_alias{$_[0]}
641 ? cf::arch::find $coin_alias{$_[0]}
642 : undef
643}
644
645=item $value = cf::db_get $family => $key
646
647Returns a single value from the environment database.
648
649=item cf::db_put $family => $key => $value
650
651Stores the given C<$value> in the family. It can currently store binary
652data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
653
654=item $db = cf::db_table "name"
655
656Create and/or open a new database table. The string must not be "db" and must be unique
657within each server.
658
659=cut
660
661sub db_table($) {
662 cf::error "db_get called from main context"
663 if $Coro::current == $Coro::main;
664
665 my ($name) = @_;
666 my $db = BDB::db_create $DB_ENV;
667
668 eval {
669 $db->set_flags (BDB::CHKSUM);
670
671 utf8::encode $name;
672 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
673 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
674 cf::cleanup "db_open(db): $!" if $!;
675 };
676 cf::cleanup "db_open(db): $@" if $@;
677
678 $db
679}
680
681our $DB;
682
683sub db_init {
684 $DB ||= db_table "db";
685}
686
687sub db_get($$) {
688 my $key = "$_[0]/$_[1]";
689
690 cf::error "db_get called from main context"
691 if $Coro::current == $Coro::main;
692
693 BDB::db_get $DB, undef, $key, my $data;
694
695 $! ? ()
696 : $data
697}
698
699sub db_put($$$) {
700 BDB::dbreq_pri 4;
701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
702}
703
704=item cf::cache $id => [$paths...], $processversion => $process
705
706Generic caching function that returns the value of the resource $id,
707caching and regenerating as required.
708
709This function can block.
710
711=cut
712
713sub cache {
714 my ($id, $src, $processversion, $process) = @_;
715
716 my $meta =
717 join "\x00",
718 $processversion,
719 map {
720 aio_stat $_
721 and Carp::croak "$_: $!";
722
723 ($_, (stat _)[7,9])
724 } @$src;
725
726 my $dbmeta = db_get cache => "$id/meta";
727 if ($dbmeta ne $meta) {
728 # changed, we may need to process
729
730 my @data;
731 my $md5;
732
733 for (0 .. $#$src) {
734 0 <= aio_load $src->[$_], $data[$_]
735 or Carp::croak "$src->[$_]: $!";
736 }
737
738 # if processing is expensive, check
739 # checksum first
740 if (1) {
741 $md5 =
742 join "\x00",
743 $processversion,
744 map {
745 cf::cede_to_tick;
746 ($src->[$_], Digest::MD5::md5_hex $data[$_])
747 } 0.. $#$src;
748
749
750 my $dbmd5 = db_get cache => "$id/md5";
751 if ($dbmd5 eq $md5) {
752 db_put cache => "$id/meta", $meta;
753
754 return db_get cache => "$id/data";
755 }
756 }
757
758 my $t1 = Time::HiRes::time;
759 my $data = $process->(\@data);
760 my $t2 = Time::HiRes::time;
761
762 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
763
764 db_put cache => "$id/data", $data;
765 db_put cache => "$id/md5" , $md5;
766 db_put cache => "$id/meta", $meta;
767
768 return $data;
769 }
770
771 db_get cache => "$id/data"
772}
773
774=item cf::datalog type => key => value, ...
775
776Log a datalog packet of the given type with the given key-value pairs.
777
778=cut
779
780sub datalog($@) {
781 my ($type, %kv) = @_;
782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361} 783}
362 784
363=back 785=back
364 786
365=cut 787=cut
366 788
367############################################################################# 789#############################################################################
368 790
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 $self->{user_rel} || $self->{ext}
502 ? undef
503 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504}
505
506sub customise_for {
507 my ($self, $map, $ob) = @_;
508
509 if ($map->per_player) {
510 return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511 }
512
513 $map
514}
515
516# this is somewhat ugly, but style maps do need special treatment
517sub is_style_map {
518 $_[0]{path} =~ m{^/styles/}
519}
520
521sub load_orig {
522 my ($self) = @_;
523
524 &cf::map::load_map_header ($self->load_path)
525}
526
527sub load_temp {
528 my ($self) = @_;
529
530 &cf::map::load_map_header ($self->save_path)
531}
532
533sub unlink_save {
534 my ($self) = @_;
535
536 utf8::encode (my $save = $self->save_path);
537 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539}
540
541package cf;
542
543#############################################################################
544
545=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
546 792
547Many objects in crossfire are so-called attachable objects. That means you can 793Many objects in deliantra are so-called attachable objects. That means you can
548attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
549to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
550 796
551In the following description, CLASS can be any of C<global>, C<object> 797In the following description, CLASS can be any of C<global>, C<object>
552C<player>, C<client> or C<map> (i.e. the attachable objects in 798C<player>, C<client> or C<map> (i.e. the attachable objects in
553crossfire+). 799Deliantra).
554 800
555=over 4 801=over 4
556 802
557=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
558 804
… …
602=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
603 849
604Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
605given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
606 852
607Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
608that are attached at load/instantiate time, thus the need for a name. 854that are attached at load/instantiate time, thus the need for a name.
609 855
610These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
611 857
612=over 4 858=over 4
… …
672our @CB_TYPE = (); # registry for type (cf-object class) based events 918our @CB_TYPE = (); # registry for type (cf-object class) based events
673our @CB_MAP = (); 919our @CB_MAP = ();
674 920
675my %attachment; 921my %attachment;
676 922
923sub cf::attachable::thawer_merge {
924 # simply override everything except _meta
925 local $_[0]{_meta};
926 %{$_[0]} = %{$_[1]};
927}
928
677sub _attach_cb($$$$) { 929sub _attach_cb($$$$) {
678 my ($registry, $event, $prio, $cb) = @_; 930 my ($registry, $event, $prio, $cb) = @_;
679 931
680 use sort 'stable'; 932 use sort 'stable';
681 933
… …
715 $registry = $CB_TYPE[$object_type] ||= []; 967 $registry = $CB_TYPE[$object_type] ||= [];
716 968
717 } elsif ($type eq "subtype") { 969 } elsif ($type eq "subtype") {
718 defined $object_type or Carp::croak "subtype specified without type"; 970 defined $object_type or Carp::croak "subtype specified without type";
719 my $object_subtype = shift @arg; 971 my $object_subtype = shift @arg;
720 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 972 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721 973
722 } elsif ($type eq "package") { 974 } elsif ($type eq "package") {
723 my $pkg = shift @arg; 975 my $pkg = shift @arg;
724 976
725 while (my ($name, $id) = each %cb_id) { 977 while (my ($name, $id) = each %cb_id) {
… …
730 982
731 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
732 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
733 985
734 } elsif (ref $type) { 986 } elsif (ref $type) {
735 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
736 988
737 } else { 989 } else {
738 shift @arg; 990 shift @arg;
739 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
740 } 992 }
741 } 993 }
742} 994}
743 995
744sub _object_attach { 996sub _object_attach {
… …
754 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
755 } 1007 }
756 1008
757 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
758 } else { 1010 } else {
759 warn "object uses attachment '$name' that is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
760 } 1012 }
761 1013
762 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
763} 1015}
764 1016
… …
766 if (ref $_[0]) { 1018 if (ref $_[0]) {
767 _object_attach @_; 1019 _object_attach @_;
768 } else { 1020 } else {
769 _attach shift->_attach_registry, @_; 1021 _attach shift->_attach_registry, @_;
770 } 1022 }
1023 _recalc_want;
771}; 1024};
772 1025
773# all those should be optimised 1026# all those should be optimised
774sub cf::attachable::detach { 1027sub cf::attachable::detach {
775 my ($obj, $name) = @_; 1028 my ($obj, $name) = @_;
… …
778 delete $obj->{_attachment}{$name}; 1031 delete $obj->{_attachment}{$name};
779 reattach ($obj); 1032 reattach ($obj);
780 } else { 1033 } else {
781 Carp::croak "cannot, currently, detach class attachments"; 1034 Carp::croak "cannot, currently, detach class attachments";
782 } 1035 }
1036 _recalc_want;
783}; 1037};
784 1038
785sub cf::attachable::attached { 1039sub cf::attachable::attached {
786 my ($obj, $name) = @_; 1040 my ($obj, $name) = @_;
787 1041
… …
802 "; 1056 ";
803 die if $@; 1057 die if $@;
804} 1058}
805 1059
806our $override; 1060our $override;
807our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1061our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
808 1062
809sub override { 1063sub override {
810 $override = 1; 1064 $override = 1;
811 @invoke_results = (); 1065 @INVOKE_RESULTS = (@_);
812} 1066}
813 1067
814sub do_invoke { 1068sub do_invoke {
815 my $event = shift; 1069 my $event = shift;
816 my $callbacks = shift; 1070 my $callbacks = shift;
817 1071
818 @invoke_results = (); 1072 @INVOKE_RESULTS = ();
819 1073
820 local $override; 1074 local $override;
821 1075
822 for (@$callbacks) { 1076 for (@$callbacks) {
823 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
824 1078
825 if ($@) { 1079 if ($@) {
826 warn "$@";
827 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
828 override; 1081 override;
829 } 1082 }
830 1083
831 return 1 if $override; 1084 return 1 if $override;
832 } 1085 }
833 1086
834 0 1087 0
835} 1088}
836 1089
837=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838 1091
839=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840 1093
841Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
842 1095
843This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1096This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
844removed in future versions), and there is no public API to access override 1097removed in future versions), and there is no public API to access override
845results (if you must, access C<@cf::invoke_results> directly). 1098results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846 1099
847=back 1100=back
848 1101
849=cut 1102=cut
850 1103
851############################################################################# 1104#############################################################################
852# object support 1105# object support
1106
1107sub _object_equal($$);
1108sub _object_equal($$) {
1109 my ($a, $b) = @_;
1110
1111 return 0 unless (ref $a) eq (ref $b);
1112
1113 if ("HASH" eq ref $a) {
1114 my @ka = keys %$a;
1115 my @kb = keys %$b;
1116
1117 return 0 if @ka != @kb;
1118
1119 for (0 .. $#ka) {
1120 return 0 unless $ka[$_] eq $kb[$_];
1121 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1122 }
1123
1124 } elsif ("ARRAY" eq ref $a) {
1125
1126 return 0 if @$a != @$b;
1127
1128 for (0 .. $#$a) {
1129 return 0 unless _object_equal $a->[$_], $b->[$_];
1130 }
1131
1132 } elsif ($a ne $b) {
1133 return 0;
1134 }
1135
1136 1
1137}
1138
1139our $SLOW_MERGES;#d#
1140sub _can_merge {
1141 my ($ob1, $ob2) = @_;
1142
1143 ++$SLOW_MERGES;#d#
1144
1145 # we do the slow way here
1146 return _object_equal $ob1, $ob2
1147}
853 1148
854sub reattach { 1149sub reattach {
855 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
856 my ($obj) = @_; 1151 my ($obj) = @_;
1152
1153 # no longer needed after getting rid of delete_package?
1154 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857 1155
858 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
859 1157
860 @$registry = (); 1158 @$registry = ();
861 1159
… …
866 for (@$attach) { 1164 for (@$attach) {
867 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
868 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
869 } 1167 }
870 } else { 1168 } else {
871 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
872 } 1170 }
873 } 1171 }
874} 1172}
875 1173
876cf::attachable->attach ( 1174cf::attachable->attach (
877 prio => -1000000, 1175 prio => -1000000,
878 on_instantiate => sub { 1176 on_instantiate => sub {
879 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
880 1178
881 $data = from_json $data; 1179 $data = decode_json $data;
882 1180
883 for (@$data) { 1181 for (@$data) {
884 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
885 1183
886 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
… …
902sub object_freezer_save { 1200sub object_freezer_save {
903 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
904 1202
905 sync_job { 1203 sync_job {
906 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
907 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
908 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
909 1209
910 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
912 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1213 if ($cf::USE_FSYNC) {
1214 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
913 aio_fsync $fh; 1215 aio_fsync $fh;
1216 }
914 close $fh; 1217 aio_close $fh;
915 1218
916 if (@$objs) { 1219 if (@$objs) {
917 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1220 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
919 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
1224 if ($cf::USE_FSYNC) {
1225 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
921 aio_fsync $fh; 1226 aio_fsync $fh;
1227 }
922 close $fh; 1228 aio_close $fh;
923 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
924 } 1230 }
925 } else { 1231 } else {
926 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
927 } 1233 }
928 1234
929 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
930 } else { 1239 } else {
931 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
932 } 1241 }
933 } else { 1242 } else {
934 aio_unlink $filename; 1243 aio_unlink $filename;
935 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
936 } 1245 }
937 } 1246 };
938} 1247}
939 1248
940sub object_freezer_as_string { 1249sub object_freezer_as_string {
941 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
942 1251
… …
954 or return; 1263 or return;
955 1264
956 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
957 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
958 or return; 1267 or return;
1268
959 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
960 } 1271 }
961 1272
1273 utf8::decode (my $decname = $filename);
962 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
963 $filename, length $data, scalar @{$av || []};#d# 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
964 return ($data, $av); 1278 ($data, $av)
965} 1279}
1280
1281=head2 COMMAND CALLBACKS
1282
1283=over 4
1284
1285=cut
966 1286
967############################################################################# 1287#############################################################################
968# command handling &c 1288# command handling &c
969 1289
970=item cf::register_command $name => \&callback($ob,$args); 1290=item cf::register_command $name => \&callback($ob,$args);
… …
983 push @{ $COMMAND{$name} }, [$caller, $cb]; 1303 push @{ $COMMAND{$name} }, [$caller, $cb];
984} 1304}
985 1305
986=item cf::register_extcmd $name => \&callback($pl,$packet); 1306=item cf::register_extcmd $name => \&callback($pl,$packet);
987 1307
988Register a callbackf ro execution when the client sends an extcmd packet. 1308Register a callback for execution when the client sends an (synchronous)
1309extcmd packet. Ext commands will be processed in the order they are
1310received by the server, like other user commands. The first argument is
1311the logged-in player. Ext commands can only be processed after a player
1312has logged in successfully.
989 1313
990If the callback returns something, it is sent back as if reply was being 1314If the callback returns something, it is sent back as if reply was being
991called. 1315called.
992 1316
1317=item cf::register_exticmd $name => \&callback($ns,$packet);
1318
1319Register a callback for execution when the client sends an (asynchronous)
1320exticmd packet. Exti commands are processed by the server as soon as they
1321are received, i.e. out of order w.r.t. other commands. The first argument
1322is a client socket. Exti commands can be received anytime, even before
1323log-in.
1324
1325If the callback returns something, it is sent back as if reply was being
1326called.
1327
993=cut 1328=cut
994 1329
995sub register_extcmd { 1330sub register_extcmd {
996 my ($name, $cb) = @_; 1331 my ($name, $cb) = @_;
997 1332
998 $EXTCMD{$name} = $cb; 1333 $EXTCMD{$name} = $cb;
999} 1334}
1000 1335
1336sub register_exticmd {
1337 my ($name, $cb) = @_;
1338
1339 $EXTICMD{$name} = $cb;
1340}
1341
1342use File::Glob ();
1343
1001cf::player->attach ( 1344cf::player->attach (
1002 on_command => sub { 1345 on_unknown_command => sub {
1003 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
1004 1347
1005 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
1006 or return; 1349 or return;
1007 1350
… …
1012 cf::override; 1355 cf::override;
1013 }, 1356 },
1014 on_extcmd => sub { 1357 on_extcmd => sub {
1015 my ($pl, $buf) = @_; 1358 my ($pl, $buf) = @_;
1016 1359
1017 my $msg = eval { from_json $buf }; 1360 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018 1361
1019 if (ref $msg) { 1362 if (ref $msg) {
1363 my ($type, $reply, @payload) =
1364 "ARRAY" eq ref $msg
1365 ? @$msg
1366 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1367
1368 my @reply;
1369
1020 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1370 if (my $cb = $EXTCMD{$type}) {
1021 if (my %reply = $cb->($pl, $msg)) { 1371 @reply = $cb->($pl, @payload);
1022 $pl->ext_reply ($msg->{msgid}, %reply);
1023 }
1024 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
1025 } else { 1377 } else {
1026 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027 } 1379 }
1028 1380
1029 cf::override; 1381 cf::override;
1030 }, 1382 },
1031); 1383);
1032 1384
1385# "readahead" all extensions
1033sub load_extension { 1386sub cache_extensions {
1034 my ($path) = @_; 1387 my $grp = IO::AIO::aio_group;
1035 1388
1036 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037 my $base = $1; 1390 for (grep /\.ext$/, @{$_[0]}) {
1038 my $pkg = $1; 1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039 $pkg =~ s/[^[:word:]]/_/g; 1392 }
1040 $pkg = "ext::$pkg"; 1393 };
1041 1394
1042 warn "... loading '$path' into '$pkg'\n"; 1395 $grp
1043
1044 open my $fh, "<:utf8", $path
1045 or die "$path: $!";
1046
1047 my $source =
1048 "package $pkg; use strict; use utf8;\n"
1049 . "#line 1 \"$path\"\n{\n"
1050 . (do { local $/; <$fh> })
1051 . "\n};\n1";
1052
1053 eval $source
1054 or die $@ ? "$path: $@\n"
1055 : "extension disabled.\n";
1056
1057 push @EXTS, $pkg;
1058} 1396}
1059 1397
1060sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1401 cf::sync_job {
1402 my %todo;
1403
1061 for my $ext (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
1062 next unless -r $ext; 1405 next unless -r $path;
1063 eval { 1406
1064 load_extension $ext; 1407 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1408 my $base = $1;
1409 my $pkg = $1;
1410 $pkg =~ s/[^[:word:]]/_/g;
1411 $pkg = "ext::$pkg";
1412
1413 open my $fh, "<:utf8", $path
1414 or die "$path: $!";
1415
1416 my $source = do { local $/; <$fh> };
1417
1418 my %ext = (
1419 path => $path,
1420 base => $base,
1421 pkg => $pkg,
1422 );
1423
1424 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1425 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1426
1427 $ext{source} =
1428 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1429 . "#line 1 \"$path\"\n{\n"
1430 . $source
1431 . "\n};\n1";
1432
1433 $todo{$base} = \%ext;
1434 }
1435
1436 my $pass = 0;
1437 my %done;
1438 while (%todo) {
1439 my $progress;
1440
1441 ++$pass;
1442
1443 ext:
1444 while (my ($k, $v) = each %todo) {
1445 for (split /,\s*/, $v->{meta}{depends}) {
1446 next ext
1447 unless exists $done{$_};
1448 }
1449
1450 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1451
1452 my $active = eval $v->{source};
1453
1454 if (length $@) {
1455 error "$v->{path}: $@\n";
1456
1457 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1458 if exists $v->{meta}{mandatory};
1459
1460 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1461 delete $todo{$k};
1462 } else {
1463 $done{$k} = delete $todo{$k};
1464 push @EXTS, $v->{pkg};
1465 $progress = 1;
1466
1467 info "$v->{base}: extension inactive.\n"
1468 unless $active;
1469 }
1065 1 1470 }
1066 } or warn "$ext not loaded: $@"; 1471
1472 unless ($progress) {
1473 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1474
1475 while (my ($k, $v) = each %todo) {
1476 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1477 if exists $v->{meta}{mandatory};
1478 }
1479 }
1480 }
1067 } 1481 };
1068} 1482}
1069 1483
1070############################################################################# 1484#############################################################################
1071# load/save/clean perl data associated with a map
1072 1485
1073*cf::mapsupport::on_clean = sub { 1486=back
1074 my ($map) = @_;
1075
1076 my $path = $map->tmpname;
1077 defined $path or return;
1078
1079 unlink "$path.pst";
1080};
1081
1082cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084#############################################################################
1085 1487
1086=head2 CORE EXTENSIONS 1488=head2 CORE EXTENSIONS
1087 1489
1088Functions and methods that extend core crossfire objects. 1490Functions and methods that extend core deliantra objects.
1089 1491
1090=cut 1492=cut
1091 1493
1092package cf::player; 1494package cf::player;
1093 1495
… …
1095 1497
1096=head3 cf::player 1498=head3 cf::player
1097 1499
1098=over 4 1500=over 4
1099 1501
1502=item cf::player::num_playing
1503
1504Returns the official number of playing players, as per the Crossfire metaserver rules.
1505
1506=cut
1507
1508sub num_playing {
1509 scalar grep
1510 $_->ob->map
1511 && !$_->hidden
1512 && !$_->ob->flag (cf::FLAG_WIZ),
1513 cf::player::list
1514}
1515
1100=item cf::player::find $login 1516=item cf::player::find $login
1101 1517
1102Returns the given player object, loading it if necessary (might block). 1518Returns the given player object, loading it if necessary (might block).
1103 1519
1104=cut 1520=cut
1105 1521
1106sub playerdir($) { 1522sub playerdir($) {
1107 cf::localdir 1523 "$PLAYERDIR/"
1108 . "/"
1109 . cf::playerdir
1110 . "/"
1111 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1524 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1112} 1525}
1113 1526
1114sub path($) { 1527sub path($) {
1115 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1528 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116 1529
1117 (playerdir $login) . "/$login.pl" 1530 (playerdir $login) . "/playerdata"
1118} 1531}
1119 1532
1120sub find_active($) { 1533sub find_active($) {
1121 $cf::PLAYER{$_[0]} 1534 $cf::PLAYER{$_[0]}
1122 and $cf::PLAYER{$_[0]}->active 1535 and $cf::PLAYER{$_[0]}->active
… …
1125 1538
1126sub exists($) { 1539sub exists($) {
1127 my ($login) = @_; 1540 my ($login) = @_;
1128 1541
1129 $cf::PLAYER{$login} 1542 $cf::PLAYER{$login}
1130 or cf::sync_job { !aio_stat $login } 1543 or !aio_stat path $login
1131} 1544}
1132 1545
1133sub find($) { 1546sub find($) {
1134 return $cf::PLAYER{$_[0]} || do { 1547 return $cf::PLAYER{$_[0]} || do {
1135 my $login = $_[0]; 1548 my $login = $_[0];
1136 1549
1137 my $guard = cf::lock_acquire "user_find:$login"; 1550 my $guard = cf::lock_acquire "user_find:$login";
1138 1551
1139 $cf::PLAYER{$_[0]} || do { 1552 $cf::PLAYER{$_[0]} || do {
1140 my $pl = load_pl path $login 1553 # rename old playerfiles to new ones
1554 #TODO: remove when no longer required
1555 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1556 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1557 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1558 aio_unlink +(playerdir $login) . "/$login.pl";
1559
1560 my $f = new_from_file cf::object::thawer path $login
1141 or return; 1561 or return;
1562
1563 my $pl = cf::player::load_pl $f
1564 or return;
1565
1566 local $cf::PLAYER_LOADING{$login} = $pl;
1567 $f->resolve_delayed_derefs;
1142 $cf::PLAYER{$login} = $pl 1568 $cf::PLAYER{$login} = $pl
1143 } 1569 }
1144 } 1570 }
1145} 1571}
1572
1573cf::player->attach (
1574 on_load => sub {
1575 my ($pl, $path) = @_;
1576
1577 # restore slots saved in save, below
1578 my $slots = delete $pl->{_slots};
1579
1580 $pl->ob->current_weapon ($slots->[0]);
1581 $pl->combat_ob ($slots->[1]);
1582 $pl->ranged_ob ($slots->[2]);
1583 },
1584);
1146 1585
1147sub save($) { 1586sub save($) {
1148 my ($pl) = @_; 1587 my ($pl) = @_;
1149 1588
1150 return if $pl->{deny_save}; 1589 return if $pl->{deny_save};
… …
1155 return if $pl->{deny_save}; 1594 return if $pl->{deny_save};
1156 1595
1157 aio_mkdir playerdir $pl, 0770; 1596 aio_mkdir playerdir $pl, 0770;
1158 $pl->{last_save} = $cf::RUNTIME; 1597 $pl->{last_save} = $cf::RUNTIME;
1159 1598
1599 cf::get_slot 0.01;
1600
1601 # save slots, to be restored later
1602 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1603
1160 $pl->save_pl ($path); 1604 $pl->save_pl ($path);
1161 Coro::cede; 1605 cf::cede_to_tick;
1162} 1606}
1163 1607
1164sub new($) { 1608sub new($) {
1165 my ($login) = @_; 1609 my ($login) = @_;
1166 1610
… …
1172 $cf::PLAYER{$login} = $self; 1616 $cf::PLAYER{$login} = $self;
1173 1617
1174 $self 1618 $self
1175} 1619}
1176 1620
1621=item $player->send_msg ($channel, $msg, $color, [extra...])
1622
1623=cut
1624
1625sub send_msg {
1626 my $ns = shift->ns
1627 or return;
1628 $ns->send_msg (@_);
1629}
1630
1177=item $pl->quit_character 1631=item $pl->quit_character
1178 1632
1179Nukes the player without looking back. If logged in, the connection will 1633Nukes the player without looking back. If logged in, the connection will
1180be destroyed. May block for a long time. 1634be destroyed. May block for a long time.
1181 1635
1182=cut 1636=cut
1183 1637
1184sub quit_character { 1638sub quit_character {
1185 my ($pl) = @_; 1639 my ($pl) = @_;
1186 1640
1641 my $name = $pl->ob->name;
1642
1187 $pl->{deny_save} = 1; 1643 $pl->{deny_save} = 1;
1188 $pl->password ("*"); # this should lock out the player until we nuked the dir 1644 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1189 1645
1190 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1646 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1191 $pl->deactivate; 1647 $pl->deactivate;
1648 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1192 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1649 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1193 $pl->ns->destroy if $pl->ns; 1650 $pl->ns->destroy if $pl->ns;
1194 1651
1195 my $path = playerdir $pl; 1652 my $path = playerdir $pl;
1196 my $temp = "$path~$cf::RUNTIME~deleting~"; 1653 my $temp = "$path~$cf::RUNTIME~deleting~";
1197 aio_rename $path, $temp; 1654 aio_rename $path, $temp;
1198 delete $cf::PLAYER{$pl->ob->name}; 1655 delete $cf::PLAYER{$pl->ob->name};
1199 $pl->destroy; 1656 $pl->destroy;
1657
1658 my $prefix = qr<^~\Q$name\E/>;
1659
1660 # nuke player maps
1661 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1662
1200 IO::AIO::aio_rmtree $temp; 1663 IO::AIO::aio_rmtree $temp;
1664}
1665
1666=item $pl->kick
1667
1668Kicks a player out of the game. This destroys the connection.
1669
1670=cut
1671
1672sub kick {
1673 my ($pl, $kicker) = @_;
1674
1675 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1676 $pl->killer ("kicked");
1677 $pl->ns->destroy;
1201} 1678}
1202 1679
1203=item cf::player::list_logins 1680=item cf::player::list_logins
1204 1681
1205Returns am arrayref of all valid playernames in the system, can take a 1682Returns am arrayref of all valid playernames in the system, can take a
1206while and may block, so not sync_job-capable, ever. 1683while and may block, so not sync_job-capable, ever.
1207 1684
1208=cut 1685=cut
1209 1686
1210sub list_logins { 1687sub list_logins {
1211 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1688 my $dirs = aio_readdir $PLAYERDIR
1212 or return []; 1689 or return [];
1213 1690
1214 my @logins; 1691 my @logins;
1215 1692
1216 for my $login (@$dirs) { 1693 for my $login (@$dirs) {
1694 my $path = path $login;
1695
1696 # a .pst is a dead give-away for a valid player
1697 # if no pst file found, open and chekc for blocked users
1698 if (aio_stat "$path.pst") {
1217 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1699 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218 aio_read $fh, 0, 512, my $buf, 0 or next; 1700 aio_read $fh, 0, 512, my $buf, 0 or next;
1219 $buf !~ /^password -------------$/m or next; # official not-valid tag 1701 $buf !~ /^password -------------$/m or next; # official not-valid tag
1702 }
1220 1703
1221 utf8::decode $login; 1704 utf8::decode $login;
1222 push @logins, $login; 1705 push @logins, $login;
1223 } 1706 }
1224 1707
1225 \@logins 1708 \@logins
1226} 1709}
1227 1710
1228=item $player->maps 1711=item $player->maps
1229 1712
1713=item cf::player::maps $login
1714
1230Returns an arrayref of cf::path's of all maps that are private for this 1715Returns an arrayref of map paths that are private for this
1231player. May block. 1716player. May block.
1232 1717
1233=cut 1718=cut
1234 1719
1235sub maps($) { 1720sub maps($) {
1236 my ($pl) = @_; 1721 my ($pl) = @_;
1722
1723 $pl = ref $pl ? $pl->ob->name : $pl;
1237 1724
1238 my $files = aio_readdir playerdir $pl 1725 my $files = aio_readdir playerdir $pl
1239 or return; 1726 or return;
1240 1727
1241 my @paths; 1728 my @paths;
… …
1243 for (@$files) { 1730 for (@$files) {
1244 utf8::decode $_; 1731 utf8::decode $_;
1245 next if /\.(?:pl|pst)$/; 1732 next if /\.(?:pl|pst)$/;
1246 next unless /^$PATH_SEP/o; 1733 next unless /^$PATH_SEP/o;
1247 1734
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1735 push @paths, cf::map::normalise "~$pl/$_";
1249 } 1736 }
1250 1737
1251 \@paths 1738 \@paths
1252} 1739}
1253 1740
1741=item $protocol_xml = $player->expand_cfpod ($cfpod)
1742
1743Expand deliantra pod fragments into protocol xml.
1744
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1745=item $player->ext_reply ($msgid, @msg)
1255 1746
1256Sends an ext reply to the player. 1747Sends an ext reply to the player.
1257 1748
1258=cut 1749=cut
1259 1750
1260sub ext_reply($$$%) { 1751sub ext_reply($$@) {
1261 my ($self, $id, %msg) = @_; 1752 my ($self, $id, @msg) = @_;
1262 1753
1263 $msg{msgid} = $id; 1754 $self->ns->ext_reply ($id, @msg)
1264
1265 $self->send ("ext " . cf::to_json \%msg);
1266} 1755}
1267 1756
1268package cf; 1757=item $player->ext_msg ($type, @msg)
1758
1759Sends an ext event to the client.
1760
1761=cut
1762
1763sub ext_msg($$@) {
1764 my ($self, $type, @msg) = @_;
1765
1766 $self->ns->ext_msg ($type, @msg);
1767}
1768
1769=head3 cf::region
1770
1771=over 4
1772
1773=cut
1774
1775package cf::region;
1776
1777=item cf::region::find_by_path $path
1778
1779Tries to decuce the likely region for a map knowing only its path.
1780
1781=cut
1782
1783sub find_by_path($) {
1784 my ($path) = @_;
1785
1786 $path =~ s/^~[^\/]*//; # skip ~login
1787
1788 my ($match, $specificity);
1789
1790 for my $region (list) {
1791 if ($region->{match} && $path =~ $region->{match}) {
1792 ($match, $specificity) = ($region, $region->specificity)
1793 if $region->specificity > $specificity;
1794 }
1795 }
1796
1797 $match
1798}
1269 1799
1270=back 1800=back
1271
1272 1801
1273=head3 cf::map 1802=head3 cf::map
1274 1803
1275=over 4 1804=over 4
1276 1805
… …
1279package cf::map; 1808package cf::map;
1280 1809
1281use Fcntl; 1810use Fcntl;
1282use Coro::AIO; 1811use Coro::AIO;
1283 1812
1813use overload
1814 '""' => \&as_string,
1815 fallback => 1;
1816
1284our $MAX_RESET = 3600; 1817our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1818our $DEFAULT_RESET = 3000;
1286 1819
1287sub generate_random_map { 1820sub generate_random_map {
1288 my ($path, $rmp) = @_; 1821 my ($self, $rmp) = @_;
1822
1823 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289 1824
1290 # mit "rum" bekleckern, nicht 1825 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map ( 1826 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1827 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1828 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1829 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1830 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1831 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1832 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1833 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1836 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}), $rmp->{custom} 1837 (cf::region::find $rmp->{region}), $rmp->{custom}
1304 ) 1838 )
1305} 1839}
1306 1840
1307# and all this just because we cannot iterate over 1841=item cf::map->register ($regex, $prio)
1308# all maps in C++...
1309sub change_all_map_light {
1310 my ($change) = @_;
1311 1842
1312 $_->change_map_light ($change) 1843Register a handler for the map path matching the given regex at the
1313 for grep $_->outdoor, values %cf::MAP; 1844givne priority (higher is better, built-in handlers have priority 0, the
1314} 1845default).
1315 1846
1316sub load_map_header($) { 1847=cut
1848
1849sub register {
1850 my (undef, $regex, $prio) = @_;
1851 my $pkg = caller;
1852
1853 no strict;
1854 push @{"$pkg\::ISA"}, __PACKAGE__;
1855
1856 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1857}
1858
1859# also paths starting with '/'
1860$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1861
1862sub thawer_merge {
1863 my ($self, $merge) = @_;
1864
1865 # we have to keep some variables in memory intact
1866 local $self->{path};
1867 local $self->{load_path};
1868
1869 $self->SUPER::thawer_merge ($merge);
1870}
1871
1872sub normalise {
1317 my ($path) = @_; 1873 my ($path, $base) = @_;
1874
1875 $path = "$path"; # make sure its a string
1876
1877 $path =~ s/\.map$//;
1878
1879 # map plan:
1880 #
1881 # /! non-realised random map exit (special hack!)
1882 # {... are special paths that are not being touched
1883 # ?xxx/... are special absolute paths
1884 # ?random/... random maps
1885 # /... normal maps
1886 # ~user/... per-player map of a specific user
1887
1888 $path =~ s/$PATH_SEP/\//go;
1889
1890 # treat it as relative path if it starts with
1891 # something that looks reasonable
1892 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1893 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1894
1895 $base =~ s{[^/]+/?$}{};
1896 $path = "$base/$path";
1897 }
1898
1899 for ($path) {
1900 redo if s{//}{/};
1901 redo if s{/\.?/}{/};
1902 redo if s{/[^/]+/\.\./}{/};
1903 }
1904
1905 $path
1906}
1907
1908sub new_from_path {
1909 my (undef, $path, $base) = @_;
1910
1911 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1912
1913 $path = normalise $path, $base;
1914
1915 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1916 if ($path =~ $EXT_MAP{$pkg}[1]) {
1917 my $self = bless cf::map::new, $pkg;
1918 $self->{path} = $path; $self->path ($path);
1919 $self->init; # pass $1 etc.
1920 return $self;
1921 }
1922 }
1923
1924 Carp::cluck "unable to resolve path '$path' (base '$base').";
1925 ()
1926}
1927
1928sub init {
1929 my ($self) = @_;
1930
1931 $self
1932}
1933
1934sub as_string {
1935 my ($self) = @_;
1936
1937 "$self->{path}"
1938}
1939
1940# the displayed name, this is a one way mapping
1941sub visible_name {
1942 &as_string
1943}
1944
1945# the original (read-only) location
1946sub load_path {
1947 my ($self) = @_;
1948
1949 "$MAPDIR/$self->{path}.map"
1950}
1951
1952# the temporary/swap location
1953sub save_path {
1954 my ($self) = @_;
1955
1956 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1957 "$TMPDIR/$path.map"
1958}
1959
1960# the unique path, undef == no special unique path
1961sub uniq_path {
1962 my ($self) = @_;
1963
1964 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1965 "$UNIQUEDIR/$path"
1966}
1967
1968sub decay_objects {
1969 my ($self) = @_;
1970
1971 return if $self->{deny_reset};
1972
1973 $self->do_decay_objects;
1974}
1975
1976sub unlink_save {
1977 my ($self) = @_;
1978
1979 utf8::encode (my $save = $self->save_path);
1980 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1981 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1982}
1983
1984sub load_header_from($) {
1985 my ($self, $path) = @_;
1318 1986
1319 utf8::encode $path; 1987 utf8::encode $path;
1320 aio_open $path, O_RDONLY, 0 1988 my $f = new_from_file cf::object::thawer $path
1321 or return; 1989 or return;
1322 1990
1323 my $map = cf::map::new 1991 $self->_load_header ($f)
1324 or return; 1992 or return;
1325 1993
1326 # for better error messages only, will be overwritten later 1994 local $MAP_LOADING{$self->{path}} = $self;
1327 $map->path ($path); 1995 $f->resolve_delayed_derefs;
1328 1996
1329 $map->load_header ($path) 1997 $self->{load_path} = $path;
1998
1999 1
2000}
2001
2002sub load_header_orig {
2003 my ($self) = @_;
2004
2005 $self->load_header_from ($self->load_path)
2006}
2007
2008sub load_header_temp {
2009 my ($self) = @_;
2010
2011 $self->load_header_from ($self->save_path)
2012}
2013
2014sub prepare_temp {
2015 my ($self) = @_;
2016
2017 $self->last_access ((delete $self->{last_access})
2018 || $cf::RUNTIME); #d#
2019 # safety
2020 $self->{instantiate_time} = $cf::RUNTIME
2021 if $self->{instantiate_time} > $cf::RUNTIME;
2022}
2023
2024sub prepare_orig {
2025 my ($self) = @_;
2026
2027 $self->{load_original} = 1;
2028 $self->{instantiate_time} = $cf::RUNTIME;
2029 $self->last_access ($cf::RUNTIME);
2030 $self->instantiate;
2031}
2032
2033sub load_header {
2034 my ($self) = @_;
2035
2036 if ($self->load_header_temp) {
2037 $self->prepare_temp;
2038 } else {
2039 $self->load_header_orig
1330 or return; 2040 or return;
2041 $self->prepare_orig;
2042 }
1331 2043
1332 $map->{load_path} = $path; 2044 $self->{deny_reset} = 1
2045 if $self->no_reset;
1333 2046
1334 $map 2047 $self->default_region (cf::region::find_by_path $self->{path})
2048 unless $self->default_region;
2049
2050 1
1335} 2051}
1336 2052
1337sub find; 2053sub find;
1338sub find { 2054sub find {
1339 my ($path, $origin) = @_; 2055 my ($path, $origin) = @_;
1340 2056
1341 #warn "find<$path,$origin>\n";#d#
1342
1343 $path = new cf::path $path, $origin && $origin->path; 2057 $path = normalise $path, $origin && $origin->path;
1344 my $key = $path->as_string;
1345 2058
1346 cf::lock_wait "map_find:$key"; 2059 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348 $cf::MAP{$key} || do {
1349 my $guard = cf::lock_acquire "map_find:$key"; 2060 my $guard2 = cf::lock_acquire "map_find:$path";
1350 2061
1351 # do it the slow way 2062 $cf::MAP{$path} || do {
1352 my $map = $path->load_temp; 2063 my $map = new_from_path cf::map $path
1353
1354 Coro::cede;
1355
1356 if ($map) {
1357 $map->last_access ((delete $map->{last_access})
1358 || $cf::RUNTIME); #d#
1359 # safety
1360 $map->{instantiate_time} = $cf::RUNTIME
1361 if $map->{instantiate_time} > $cf::RUNTIME;
1362 } else {
1363 $map = $path->load_orig
1364 or return; 2064 or return;
1365 2065
1366 $map->{load_original} = 1;
1367 $map->{instantiate_time} = $cf::RUNTIME;
1368 $map->last_access ($cf::RUNTIME);
1369 $map->instantiate;
1370
1371 # per-player maps become, after loading, normal maps
1372 $map->per_player (0) if $path->{user_rel};
1373 }
1374
1375 $map->path ($key);
1376 $map->{path} = $path;
1377 $map->{last_save} = $cf::RUNTIME; 2066 $map->{last_save} = $cf::RUNTIME;
1378 2067
1379 Coro::cede; 2068 $map->load_header
2069 or return;
1380 2070
1381 if ($map->should_reset) { 2071 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2072 # doing this can freeze the server in a sync job, obviously
2073 #$cf::WAIT_FOR_TICK->wait;
2074 undef $guard2;
2075 undef $guard1;
1382 $map->reset; 2076 $map->reset;
1383 undef $guard;
1384 $map = find $path 2077 return find $path;
1385 or return;
1386 } 2078 }
1387 2079
1388 $cf::MAP{$key} = $map 2080 $cf::MAP{$path} = $map
1389 } 2081 }
1390} 2082}
2083
2084sub pre_load { }
2085#sub post_load { } # XS
1391 2086
1392sub load { 2087sub load {
1393 my ($self) = @_; 2088 my ($self) = @_;
1394 2089
2090 local $self->{deny_reset} = 1; # loading can take a long time
2091
1395 my $path = $self->{path}; 2092 my $path = $self->{path};
2093
2094 {
1396 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2095 my $guard = cf::lock_acquire "map_data:$path";
1397 2096
2097 return unless $self->valid;
1398 return if $self->in_memory != cf::MAP_SWAPPED; 2098 return unless $self->in_memory == cf::MAP_SWAPPED;
1399 2099
1400 $self->in_memory (cf::MAP_LOADING); 2100 $self->in_memory (cf::MAP_LOADING);
1401 2101
1402 $self->alloc; 2102 $self->alloc;
1403 $self->load_objects ($self->{load_path}, 1) 2103
2104 $self->pre_load;
2105 cf::cede_to_tick;
2106
2107 my $f = new_from_file cf::object::thawer $self->{load_path};
2108 $f->skip_block;
2109 $self->_load_objects ($f)
1404 or return; 2110 or return;
1405 2111
1406 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2112 $self->post_load_original
1407 if delete $self->{load_original}; 2113 if delete $self->{load_original};
1408 2114
1409 if (my $uniq = $path->uniq_path) { 2115 if (my $uniq = $self->uniq_path) {
1410 utf8::encode $uniq; 2116 utf8::encode $uniq;
1411 if (aio_open $uniq, O_RDONLY, 0) { 2117 unless (aio_stat $uniq) {
2118 if (my $f = new_from_file cf::object::thawer $uniq) {
1412 $self->clear_unique_items; 2119 $self->clear_unique_items;
1413 $self->load_objects ($uniq, 0); 2120 $self->_load_objects ($f);
2121 $f->resolve_delayed_derefs;
2122 }
1414 } 2123 }
1415 } 2124 }
1416 2125
1417 Coro::cede; 2126 $f->resolve_delayed_derefs;
1418 2127
2128 cf::cede_to_tick;
1419 # now do the right thing for maps 2129 # now do the right thing for maps
1420 $self->link_multipart_objects; 2130 $self->link_multipart_objects;
1421
1422 if ($self->{path}->is_style_map) {
1423 $self->{deny_save} = 1;
1424 $self->{deny_reset} = 1;
1425 } else {
1426 $self->decay_objects;
1427 $self->fix_auto_apply;
1428 $self->update_buttons;
1429 $self->set_darkness_map;
1430 $self->difficulty ($self->estimate_difficulty) 2131 $self->difficulty ($self->estimate_difficulty)
1431 unless $self->difficulty; 2132 unless $self->difficulty;
2133 cf::cede_to_tick;
2134
2135 unless ($self->{deny_activate}) {
2136 $self->decay_objects;
2137 $self->fix_auto_apply;
2138 $self->update_buttons;
2139 cf::cede_to_tick;
1432 $self->activate; 2140 $self->activate;
1433 } 2141 }
1434 2142
1435 Coro::cede; 2143 $self->{last_save} = $cf::RUNTIME;
2144 $self->last_access ($cf::RUNTIME);
1436 2145
1437 $self->in_memory (cf::MAP_IN_MEMORY); 2146 $self->in_memory (cf::MAP_ACTIVE);
2147 }
2148
2149 $self->post_load;
2150}
2151
2152# customize the map for a given player, i.e.
2153# return the _real_ map. used by e.g. per-player
2154# maps to change the path to ~playername/mappath
2155sub customise_for {
2156 my ($self, $ob) = @_;
2157
2158 return find "~" . $ob->name . "/" . $self->{path}
2159 if $self->per_player;
2160
2161# return find "?party/" . $ob->name . "/" . $self->{path}
2162# if $self->per_party;
2163
2164 $self
1438} 2165}
1439 2166
1440# find and load all maps in the 3x3 area around a map 2167# find and load all maps in the 3x3 area around a map
1441sub load_diag { 2168sub load_neighbours {
1442 my ($map) = @_; 2169 my ($map) = @_;
1443 2170
1444 my @diag; # diagonal neighbours 2171 my @neigh; # diagonal neighbours
1445 2172
1446 for (0 .. 3) { 2173 for (0 .. 3) {
1447 my $neigh = $map->tile_path ($_) 2174 my $neigh = $map->tile_path ($_)
1448 or next; 2175 or next;
1449 $neigh = find $neigh, $map 2176 $neigh = find $neigh, $map
1450 or next; 2177 or next;
1451 $neigh->load; 2178 $neigh->load;
1452 2179
2180 # now find the diagonal neighbours
2181 push @neigh,
1453 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2182 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1454 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2183 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1455 } 2184 }
1456 2185
1457 for (@diag) { 2186 for (grep defined $_->[0], @neigh) {
2187 my ($path, $origin) = @$_;
1458 my $neigh = find @$_ 2188 my $neigh = find $path, $origin
1459 or next; 2189 or next;
1460 $neigh->load; 2190 $neigh->load;
1461 } 2191 }
1462} 2192}
1463 2193
1464sub find_sync { 2194sub find_sync {
1465 my ($path, $origin) = @_; 2195 my ($path, $origin) = @_;
1466 2196
1467 cf::sync_job { find $path, $origin } 2197 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2198 if $Coro::current == $Coro::main;
2199
2200 find $path, $origin
1468} 2201}
1469 2202
1470sub do_load_sync { 2203sub do_load_sync {
1471 my ($map) = @_; 2204 my ($map) = @_;
1472 2205
1473 cf::sync_job { $map->load }; 2206 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2207 if $Coro::current == $Coro::main;
2208
2209 $map->load;
1474} 2210}
1475 2211
1476our %MAP_PREFETCH; 2212our %MAP_PREFETCH;
2213our $MAP_PREFETCHER = undef;
2214
2215sub find_async {
2216 my ($path, $origin, $load) = @_;
2217
2218 $path = normalise $path, $origin && $origin->{path};
2219
2220 if (my $map = $cf::MAP{$path}) {
2221 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2222 }
2223
2224 $MAP_PREFETCH{$path} |= $load;
2225
1477our $MAP_PREFETCHER = Coro::async { 2226 $MAP_PREFETCHER ||= cf::async {
1478 while () { 2227 $Coro::current->{desc} = "map prefetcher";
2228
1479 while (%MAP_PREFETCH) { 2229 while (%MAP_PREFETCH) {
1480 my $key = each %MAP_PREFETCH 2230 while (my ($k, $v) = each %MAP_PREFETCH) {
1481 or next; 2231 if (my $map = find $k) {
2232 $map->load if $v;
2233 }
2234
1482 my $path = delete $MAP_PREFETCH{$key}; 2235 delete $MAP_PREFETCH{$k};
1483
1484 my $map = find $path
1485 or next;
1486 $map->load;
1487 } 2236 }
1488 Coro::schedule; 2237 }
2238 undef $MAP_PREFETCHER;
1489 } 2239 };
1490};
1491
1492sub find_async {
1493 my ($path, $origin) = @_;
1494
1495 $path = new cf::path $path, $origin && $origin->path;
1496 my $key = $path->as_string;
1497
1498 if (my $map = $cf::MAP{$key}) {
1499 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500 }
1501
1502 $MAP_PREFETCH{$key} = $path;
1503 $MAP_PREFETCHER->ready; 2240 $MAP_PREFETCHER->prio (6);
1504 2241
1505 () 2242 ()
2243}
2244
2245# common code, used by both ->save and ->swapout
2246sub _save {
2247 my ($self) = @_;
2248
2249 $self->{last_save} = $cf::RUNTIME;
2250
2251 return unless $self->dirty;
2252
2253 my $save = $self->save_path; utf8::encode $save;
2254 my $uniq = $self->uniq_path; utf8::encode $uniq;
2255
2256 $self->{load_path} = $save;
2257
2258 return if $self->{deny_save};
2259
2260 local $self->{last_access} = $self->last_access;#d#
2261
2262 cf::async {
2263 $Coro::current->{desc} = "map player save";
2264 $_->contr->save for $self->players;
2265 };
2266
2267 cf::get_slot 0.02;
2268
2269 if ($uniq) {
2270 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2271 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2272 } else {
2273 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2274 }
1506} 2275}
1507 2276
1508sub save { 2277sub save {
1509 my ($self) = @_; 2278 my ($self) = @_;
1510 2279
1511 my $lock = cf::lock_acquire "map_data:" . $self->path; 2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
1512 2281
1513 $self->{last_save} = $cf::RUNTIME; 2282 $self->_save;
1514
1515 return unless $self->dirty;
1516
1517 my $save = $self->{path}->save_path; utf8::encode $save;
1518 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1519
1520 $self->{load_path} = $save;
1521
1522 return if $self->{deny_save};
1523
1524 local $self->{last_access} = $self->last_access;#d#
1525
1526 cf::async {
1527 $_->contr->save for $self->players;
1528 };
1529
1530 if ($uniq) {
1531 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532 $self->save_objects ($uniq, cf::IO_UNIQUES);
1533 } else {
1534 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535 }
1536} 2283}
1537 2284
1538sub swap_out { 2285sub swap_out {
1539 my ($self) = @_; 2286 my ($self) = @_;
1540 2287
1541 # save first because save cedes
1542 $self->save;
1543
1544 my $lock = cf::lock_acquire "map_data:" . $self->path; 2288 my $lock = cf::lock_acquire "map_data:$self->{path}";
1545 2289
2290 return if $self->in_memory != cf::MAP_ACTIVE;
2291 return if $self->{deny_save};
1546 return if $self->players; 2292 return if $self->players;
1547 return if $self->in_memory != cf::MAP_IN_MEMORY;
1548 return if $self->{deny_save};
1549 2293
2294 # first deactivate the map and "unlink" it from the core
2295 $self->deactivate;
2296 $_->clear_links_to ($self) for values %cf::MAP;
2297 $self->in_memory (cf::MAP_SWAPPED);
2298
2299 # then atomically save
2300 $self->_save;
2301
2302 # then free the map
1550 $self->clear; 2303 $self->clear;
1551 $self->in_memory (cf::MAP_SWAPPED);
1552} 2304}
1553 2305
1554sub reset_at { 2306sub reset_at {
1555 my ($self) = @_; 2307 my ($self) = @_;
1556 2308
1557 # TODO: safety, remove and allow resettable per-player maps 2309 # TODO: safety, remove and allow resettable per-player maps
1558 return 1e99 if $self->{path}{user_rel};
1559 return 1e99 if $self->{deny_reset}; 2310 return 1e99 if $self->{deny_reset};
1560 2311
1561 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2312 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2313 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563 2314
… …
1568 my ($self) = @_; 2319 my ($self) = @_;
1569 2320
1570 $self->reset_at <= $cf::RUNTIME 2321 $self->reset_at <= $cf::RUNTIME
1571} 2322}
1572 2323
1573sub rename {
1574 my ($self, $new_path) = @_;
1575
1576 $self->{path}->unlink_save;
1577
1578 delete $cf::MAP{$self->path};
1579 $self->{path} = new cf::path $new_path;
1580 $self->path ($self->{path}->as_string);
1581 $cf::MAP{$self->path} = $self;
1582
1583 $self->save;
1584}
1585
1586sub reset { 2324sub reset {
1587 my ($self) = @_; 2325 my ($self) = @_;
1588 2326
1589 my $lock = cf::lock_acquire "map_data:" . $self->path; 2327 my $lock = cf::lock_acquire "map_data:$self->{path}";
1590 2328
1591 return if $self->players; 2329 return if $self->players;
1592 return if $self->{path}{user_rel};#d#
1593 2330
1594 warn "resetting map ", $self->path;#d# 2331 cf::trace "resetting map ", $self->path, "\n";
2332
2333 $self->in_memory (cf::MAP_SWAPPED);
2334
2335 # need to save uniques path
2336 unless ($self->{deny_save}) {
2337 my $uniq = $self->uniq_path; utf8::encode $uniq;
2338
2339 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2340 if $uniq;
2341 }
1595 2342
1596 delete $cf::MAP{$self->path}; 2343 delete $cf::MAP{$self->path};
1597 2344
2345 $self->deactivate;
1598 $_->clear_links_to ($self) for values %cf::MAP; 2346 $_->clear_links_to ($self) for values %cf::MAP;
2347 $self->clear;
1599 2348
1600 $self->{path}->unlink_save; 2349 $self->unlink_save;
1601 $self->destroy; 2350 $self->destroy;
1602} 2351}
1603 2352
1604my $nuke_counter = "aaaa"; 2353my $nuke_counter = "aaaa";
1605 2354
1606sub nuke { 2355sub nuke {
1607 my ($self) = @_; 2356 my ($self) = @_;
1608 2357
2358 {
2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
2360
2361 delete $cf::MAP{$self->path};
2362
2363 $self->unlink_save;
2364
2365 bless $self, "cf::map::wrap";
2366 delete $self->{deny_reset};
1609 $self->{deny_save} = 1; 2367 $self->{deny_save} = 1;
1610 $self->reset_timeout (1); 2368 $self->reset_timeout (1);
1611 $self->rename ("{nuke}/" . ($nuke_counter++)); 2369 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2370
2371 $cf::MAP{$self->path} = $self;
2372 }
2373
1612 $self->reset; # polite request, might not happen 2374 $self->reset; # polite request, might not happen
1613} 2375}
1614 2376
2377=item $maps = cf::map::tmp_maps
2378
2379Returns an arrayref with all map paths of currently instantiated and saved
2380maps. May block.
2381
2382=cut
2383
2384sub tmp_maps() {
2385 [
2386 map {
2387 utf8::decode $_;
2388 /\.map$/
2389 ? normalise $_
2390 : ()
2391 } @{ aio_readdir $TMPDIR or [] }
2392 ]
2393}
2394
2395=item $maps = cf::map::random_maps
2396
2397Returns an arrayref with all map paths of currently instantiated and saved
2398random maps. May block.
2399
2400=cut
2401
2402sub random_maps() {
2403 [
2404 map {
2405 utf8::decode $_;
2406 /\.map$/
2407 ? normalise "?random/$_"
2408 : ()
2409 } @{ aio_readdir $RANDOMDIR or [] }
2410 ]
2411}
2412
1615=item cf::map::unique_maps 2413=item cf::map::unique_maps
1616 2414
1617Returns an arrayref of cf::path's of all shared maps that have 2415Returns an arrayref of paths of all shared maps that have
1618instantiated unique items. May block. 2416instantiated unique items. May block.
1619 2417
1620=cut 2418=cut
1621 2419
1622sub unique_maps() { 2420sub unique_maps() {
1623 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2421 [
1624 or return; 2422 map {
1625
1626 my @paths;
1627
1628 for (@$files) {
1629 utf8::decode $_; 2423 utf8::decode $_;
1630 next if /\.pst$/; 2424 s/\.map$//; # TODO future compatibility hack
1631 next unless /^$PATH_SEP/o; 2425 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632 2426 ? ()
1633 push @paths, new cf::path $_; 2427 : normalise $_
2428 } @{ aio_readdir $UNIQUEDIR or [] }
1634 } 2429 ]
1635
1636 \@paths
1637} 2430}
1638 2431
1639package cf; 2432=item cf::map::static_maps
2433
2434Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2435file in the shared directory excluding F</styles> and F</editor>). May
2436block.
2437
2438=cut
2439
2440sub static_maps() {
2441 my @dirs = "";
2442 my @maps;
2443
2444 while (@dirs) {
2445 my $dir = shift @dirs;
2446
2447 next if $dir eq "/styles" || $dir eq "/editor";
2448
2449 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2450 or return;
2451
2452 for (@$files) {
2453 s/\.map$// or next;
2454 utf8::decode $_;
2455 push @maps, "$dir/$_";
2456 }
2457
2458 push @dirs, map "$dir/$_", @$dirs;
2459 }
2460
2461 \@maps
2462}
1640 2463
1641=back 2464=back
1642 2465
1643=head3 cf::object 2466=head3 cf::object
1644 2467
… …
1648 2471
1649=over 4 2472=over 4
1650 2473
1651=item $ob->inv_recursive 2474=item $ob->inv_recursive
1652 2475
1653Returns the inventory of the object _and_ their inventories, recursively. 2476Returns the inventory of the object I<and> their inventories, recursively,
2477but I<not> the object itself.
1654 2478
1655=cut 2479=cut
1656 2480
1657sub inv_recursive_; 2481sub inv_recursive_;
1658sub inv_recursive_ { 2482sub inv_recursive_ {
… …
1661 2485
1662sub inv_recursive { 2486sub inv_recursive {
1663 inv_recursive_ inv $_[0] 2487 inv_recursive_ inv $_[0]
1664} 2488}
1665 2489
2490=item $ref = $ob->ref
2491
2492Creates and returns a persistent reference to an object that can be stored as a string.
2493
2494=item $ob = cf::object::deref ($refstring)
2495
2496returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2497even if the object actually exists. May block.
2498
2499=cut
2500
2501sub deref {
2502 my ($ref) = @_;
2503
2504 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2505 my ($uuid, $name) = ($1, $2);
2506 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2507 or return;
2508 $pl->ob->uuid eq $uuid
2509 or return;
2510
2511 $pl->ob
2512 } else {
2513 warn "$ref: cannot resolve object reference\n";
2514 undef
2515 }
2516}
2517
1666package cf; 2518package cf;
1667 2519
1668=back 2520=back
1669 2521
1670=head3 cf::object::player 2522=head3 cf::object::player
… …
1676Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2528Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1677can be C<undef>. Does the right thing when the player is currently in a 2529can be C<undef>. Does the right thing when the player is currently in a
1678dialogue with the given NPC character. 2530dialogue with the given NPC character.
1679 2531
1680=cut 2532=cut
2533
2534our $SAY_CHANNEL = {
2535 id => "say",
2536 title => "Map",
2537 reply => "say ",
2538 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2539};
2540
2541our $CHAT_CHANNEL = {
2542 id => "chat",
2543 title => "Chat",
2544 reply => "chat ",
2545 tooltip => "Player chat and shouts, global to the server.",
2546};
1681 2547
1682# rough implementation of a future "reply" method that works 2548# rough implementation of a future "reply" method that works
1683# with dialog boxes. 2549# with dialog boxes.
1684#TODO: the first argument must go, split into a $npc->reply_to ( method 2550#TODO: the first argument must go, split into a $npc->reply_to ( method
1685sub cf::object::player::reply($$$;$) { 2551sub cf::object::player::reply($$$;$) {
… …
1687 2553
1688 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2554 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689 2555
1690 if ($self->{record_replies}) { 2556 if ($self->{record_replies}) {
1691 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2557 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2558
1692 } else { 2559 } else {
2560 my $pl = $self->contr;
2561
2562 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2563 my $dialog = $pl->{npc_dialog};
2564 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2565
2566 } else {
1693 $msg = $npc->name . " says: $msg" if $npc; 2567 $msg = $npc->name . " says: $msg" if $npc;
1694 $self->message ($msg, $flags); 2568 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2569 }
1695 } 2570 }
2571}
2572
2573=item $object->send_msg ($channel, $msg, $color, [extra...])
2574
2575=cut
2576
2577sub cf::object::send_msg {
2578 my $pl = shift->contr
2579 or return;
2580 $pl->send_msg (@_);
1696} 2581}
1697 2582
1698=item $player_object->may ("access") 2583=item $player_object->may ("access")
1699 2584
1700Returns wether the given player is authorized to access resource "access" 2585Returns wether the given player is authorized to access resource "access"
… …
1713 2598
1714=item $player_object->enter_link 2599=item $player_object->enter_link
1715 2600
1716Freezes the player and moves him/her to a special map (C<{link}>). 2601Freezes the player and moves him/her to a special map (C<{link}>).
1717 2602
1718The player should be reaosnably safe there for short amounts of time. You 2603The player should be reasonably safe there for short amounts of time (e.g.
1719I<MUST> call C<leave_link> as soon as possible, though. 2604for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2605though, as the player cannot control the character while it is on the link
2606map.
2607
2608Will never block.
1720 2609
1721=item $player_object->leave_link ($map, $x, $y) 2610=item $player_object->leave_link ($map, $x, $y)
1722 2611
1723Moves the player out of the specila link map onto the given map. If the 2612Moves the player out of the special C<{link}> map onto the specified
1724map is not valid (or omitted), the player will be moved back to the 2613map. If the map is not valid (or omitted), the player will be moved back
1725location he/she was before the call to C<enter_link>, or, if that fails, 2614to the location he/she was before the call to C<enter_link>, or, if that
1726to the emergency map position. 2615fails, to the emergency map position.
1727 2616
1728Might block. 2617Might block.
1729 2618
1730=cut 2619=cut
2620
2621sub link_map {
2622 unless ($LINK_MAP) {
2623 $LINK_MAP = cf::map::find "{link}"
2624 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2625 $LINK_MAP->load;
2626 }
2627
2628 $LINK_MAP
2629}
1731 2630
1732sub cf::object::player::enter_link { 2631sub cf::object::player::enter_link {
1733 my ($self) = @_; 2632 my ($self) = @_;
1734 2633
1735 $self->deactivate_recursive; 2634 $self->deactivate_recursive;
1736 2635
1737 return if $self->map == $LINK_MAP; 2636 ++$self->{_link_recursion};
2637
2638 return if UNIVERSAL::isa $self->map, "ext::map_link";
1738 2639
1739 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2640 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740 if $self->map; 2641 if $self->map && $self->map->{path} ne "{link}";
1741 2642
1742 $self->enter_map ($LINK_MAP, 20, 20); 2643 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1743} 2644}
1744 2645
1745sub cf::object::player::leave_link { 2646sub cf::object::player::leave_link {
1746 my ($self, $map, $x, $y) = @_; 2647 my ($self, $map, $x, $y) = @_;
2648
2649 return unless $self->contr->active;
1747 2650
1748 my $link_pos = delete $self->{_link_pos}; 2651 my $link_pos = delete $self->{_link_pos};
1749 2652
1750 unless ($map) { 2653 unless ($map) {
1751 # restore original map position 2654 # restore original map position
… …
1762 ($x, $y) = (-1, -1) 2665 ($x, $y) = (-1, -1)
1763 unless (defined $x) && (defined $y); 2666 unless (defined $x) && (defined $y);
1764 2667
1765 # use -1 or undef as default coordinates, not 0, 0 2668 # use -1 or undef as default coordinates, not 0, 0
1766 ($x, $y) = ($map->enter_x, $map->enter_y) 2669 ($x, $y) = ($map->enter_x, $map->enter_y)
1767 if $x <=0 && $y <= 0; 2670 if $x <= 0 && $y <= 0;
1768 2671
1769 $map->load; 2672 $map->load;
1770 $map->load_diag; 2673 $map->load_neighbours;
1771 2674
1772 return unless $self->contr->active; 2675 return unless $self->contr->active;
2676
2677 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2678 if ($self->enter_map ($map, $x, $y)) {
2679 # entering was successful
2680 delete $self->{_link_recursion};
2681 # only activate afterwards, to support waiting in hooks
1773 $self->activate_recursive; 2682 $self->activate_recursive;
1774 $self->enter_map ($map, $x, $y);
1775}
1776
1777cf::player->attach (
1778 on_logout => sub {
1779 my ($pl) = @_;
1780
1781 # abort map switching before logout
1782 if ($pl->ob->{_link_pos}) {
1783 cf::sync_job {
1784 $pl->ob->leave_link
1785 };
1786 }
1787 }, 2683 }
1788 on_login => sub {
1789 my ($pl) = @_;
1790 2684
1791 # try to abort aborted map switching on player login :) 2685}
1792 # should happen only on crashes
1793 if ($pl->ob->{_link_pos}) {
1794 $pl->ob->enter_link;
1795 (async {
1796 # we need this sleep as the login has a concurrent enter_exit running
1797 # and this sleep increases chances of the player not ending up in scorn
1798 $pl->ob->reply (undef,
1799 "There was an internal problem at your last logout, "
1800 . "the server will try to bring you to your intended destination in a second.",
1801 cf::NDI_RED);
1802 Coro::Timer::sleep 1;
1803 $pl->ob->leave_link;
1804 })->prio (2);
1805 }
1806 },
1807);
1808 2686
1809=item $player_object->goto ($path, $x, $y) 2687=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1810 2688
2689Moves the player to the given map-path and coordinates by first freezing
2690her, loading and preparing them map, calling the provided $check callback
2691that has to return the map if sucecssful, and then unfreezes the player on
2692the new (success) or old (failed) map position. In either case, $done will
2693be called at the end of this process.
2694
2695Note that $check will be called with a potentially non-loaded map, so if
2696it needs a loaded map it has to call C<< ->load >>.
2697
1811=cut 2698=cut
2699
2700our $GOTOGEN;
1812 2701
1813sub cf::object::player::goto { 2702sub cf::object::player::goto {
1814 my ($self, $path, $x, $y) = @_; 2703 my ($self, $path, $x, $y, $check, $done) = @_;
1815 2704
1816 $path = new cf::path $path; 2705 if ($self->{_link_recursion} >= $MAX_LINKS) {
2706 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2707 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2708 ($path, $x, $y) = @$EMERGENCY_POSITION;
2709 }
2710
2711 # do generation counting so two concurrent goto's will be executed in-order
2712 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817 2713
1818 $self->enter_link; 2714 $self->enter_link;
1819 2715
1820 (async { 2716 (async {
1821 my $map = cf::map::find $path->as_string; 2717 $Coro::current->{desc} = "player::goto $path $x $y";
1822 $map = $map->{path}->customise_for ($map, $self) if $map;
1823 2718
1824# warn "entering ", $map->path, " at ($x, $y)\n" 2719 # *tag paths override both path and x|y
2720 if ($path =~ /^\*(.*)$/) {
2721 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2722 my $ob = $obs[rand @obs];
2723
2724 # see if we actually can go there
2725 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2726 $ob = $obs[rand @obs];
2727 } else {
2728 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2729 }
2730 # else put us there anyways for now #d#
2731
2732 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2733 } else {
2734 ($path, $x, $y) = (undef, undef, undef);
2735 }
2736 }
2737
2738 my $map = eval {
2739 my $map = defined $path ? cf::map::find $path : undef;
2740
1825# if $map; 2741 if ($map) {
1826 2742 $map = $map->customise_for ($self);
2743 $map = $check->($map, $x, $y, $self) if $check && $map;
2744 } else {
1827 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2745 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2746 }
1828 2747
2748 $map
2749 };
2750
2751 if ($@) {
2752 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2753 LOG llevError | logBacktrace, Carp::longmess $@;
2754 }
2755
2756 if ($gen == $self->{_goto_generation}) {
2757 delete $self->{_goto_generation};
1829 $self->leave_link ($map, $x, $y); 2758 $self->leave_link ($map, $x, $y);
2759 }
2760
2761 $done->($self) if $done;
1830 })->prio (1); 2762 })->prio (1);
1831} 2763}
1832 2764
1833=item $player_object->enter_exit ($exit_object) 2765=item $player_object->enter_exit ($exit_object)
1834 2766
… …
1836 2768
1837sub parse_random_map_params { 2769sub parse_random_map_params {
1838 my ($spec) = @_; 2770 my ($spec) = @_;
1839 2771
1840 my $rmp = { # defaults 2772 my $rmp = { # defaults
1841 xsize => 10, 2773 xsize => (cf::rndm 15, 40),
1842 ysize => 10, 2774 ysize => (cf::rndm 15, 40),
2775 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2776 #layout => string,
1843 }; 2777 };
1844 2778
1845 for (split /\n/, $spec) { 2779 for (split /\n/, $spec) {
1846 my ($k, $v) = split /\s+/, $_, 2; 2780 my ($k, $v) = split /\s+/, $_, 2;
1847 2781
… …
1859 # that depends on the exit object 2793 # that depends on the exit object
1860 2794
1861 my $rmp = parse_random_map_params $exit->msg; 2795 my $rmp = parse_random_map_params $exit->msg;
1862 2796
1863 if ($exit->map) { 2797 if ($exit->map) {
1864 $rmp->{region} = $exit->map->region_name; 2798 $rmp->{region} = $exit->region->name;
1865 $rmp->{origin_map} = $exit->map->path; 2799 $rmp->{origin_map} = $exit->map->path;
1866 $rmp->{origin_x} = $exit->x; 2800 $rmp->{origin_x} = $exit->x;
1867 $rmp->{origin_y} = $exit->y; 2801 $rmp->{origin_y} = $exit->y;
2802
2803 $exit->map->touch;
1868 } 2804 }
1869 2805
1870 $rmp->{random_seed} ||= $exit->random_seed; 2806 $rmp->{random_seed} ||= $exit->random_seed;
1871 2807
1872 my $data = cf::to_json $rmp; 2808 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873 my $md5 = Digest::MD5::md5_hex $data; 2809 my $md5 = Digest::MD5::md5_hex $data;
2810 my $meta = "$RANDOMDIR/$md5.meta";
1874 2811
1875 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2812 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876 aio_write $fh, 0, (length $data), $data, 0; 2813 aio_write $fh, 0, (length $data), $data, 0;
2814 undef $fh;
2815 aio_rename "$meta~", $meta;
1877 2816
2817 my $slaying = "?random/$md5";
2818
2819 if ($exit->valid) {
1878 $exit->slaying ("?random/$md5"); 2820 $exit->slaying ("?random/$md5");
1879 $exit->msg (undef); 2821 $exit->msg (undef);
2822 }
1880 } 2823 }
1881} 2824}
1882 2825
1883sub cf::object::player::enter_exit { 2826sub cf::object::player::enter_exit {
1884 my ($self, $exit) = @_; 2827 my ($self, $exit) = @_;
… …
1886 return unless $self->type == cf::PLAYER; 2829 return unless $self->type == cf::PLAYER;
1887 2830
1888 $self->enter_link; 2831 $self->enter_link;
1889 2832
1890 (async { 2833 (async {
1891 $self->deactivate_recursive; # just to be sure 2834 $Coro::current->{desc} = "enter_exit";
2835
1892 unless (eval { 2836 unless (eval {
2837 $self->deactivate_recursive; # just to be sure
2838
2839 # random map handling
2840 {
2841 my $guard = cf::lock_acquire "exit_prepare:$exit";
2842
1893 prepare_random_map $exit 2843 prepare_random_map $exit
1894 if $exit->slaying eq "/!"; 2844 if $exit->slaying eq "/!";
2845 }
1895 2846
1896 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2847 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1897 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2848 my $x = $exit->stats->hp;
2849 my $y = $exit->stats->sp;
1898 2850
2851 $self->goto ($map, $x, $y);
2852
2853 # if exit is damned, update players death & WoR home-position
2854 $self->contr->savebed ($map, $x, $y)
2855 if $exit->flag (cf::FLAG_DAMNED);
2856
1899 1; 2857 1
1900 }) { 2858 }) {
1901 $self->message ("Something went wrong deep within the crossfire server. " 2859 $self->message ("Something went wrong deep within the deliantra server. "
1902 . "I'll try to bring you back to the map you were before. " 2860 . "I'll try to bring you back to the map you were before. "
1903 . "Please report this to the dungeon master!", 2861 . "Please report this to the dungeon master!",
1904 cf::NDI_UNIQUE | cf::NDI_RED); 2862 cf::NDI_UNIQUE | cf::NDI_RED);
1905 2863
1906 warn "ERROR in enter_exit: $@"; 2864 error "ERROR in enter_exit: $@";
1907 $self->leave_link; 2865 $self->leave_link;
1908 } 2866 }
1909 })->prio (1); 2867 })->prio (1);
1910} 2868}
1911 2869
… …
1922 2880
1923sub cf::client::send_drawinfo { 2881sub cf::client::send_drawinfo {
1924 my ($self, $text, $flags) = @_; 2882 my ($self, $text, $flags) = @_;
1925 2883
1926 utf8::encode $text; 2884 utf8::encode $text;
1927 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2885 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928} 2886}
1929 2887
2888=item $client->send_big_packet ($pkt)
2889
2890Like C<send_packet>, but tries to compress large packets, and fragments
2891them as required.
2892
2893=cut
2894
2895our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2896
2897sub cf::client::send_big_packet {
2898 my ($self, $pkt) = @_;
2899
2900 # try lzf for large packets
2901 $pkt = "lzf " . Compress::LZF::compress $pkt
2902 if 1024 <= length $pkt and $self->{can_lzf};
2903
2904 # split very large packets
2905 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2906 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2907 $pkt = "frag";
2908 }
2909
2910 $self->send_packet ($pkt);
2911}
2912
2913=item $client->send_msg ($channel, $msg, $color, [extra...])
2914
2915Send a drawinfo or msg packet to the client, formatting the msg for the
2916client if neccessary. C<$type> should be a string identifying the type of
2917the message, with C<log> being the default. If C<$color> is negative, suppress
2918the message unless the client supports the msg packet.
2919
2920=cut
2921
2922# non-persistent channels (usually the info channel)
2923our %CHANNEL = (
2924 "c/motd" => {
2925 id => "infobox",
2926 title => "MOTD",
2927 reply => undef,
2928 tooltip => "The message of the day",
2929 },
2930 "c/identify" => {
2931 id => "infobox",
2932 title => "Identify",
2933 reply => undef,
2934 tooltip => "Items recently identified",
2935 },
2936 "c/examine" => {
2937 id => "infobox",
2938 title => "Examine",
2939 reply => undef,
2940 tooltip => "Signs and other items you examined",
2941 },
2942 "c/shopinfo" => {
2943 id => "infobox",
2944 title => "Shop Info",
2945 reply => undef,
2946 tooltip => "What your bargaining skill tells you about the shop",
2947 },
2948 "c/book" => {
2949 id => "infobox",
2950 title => "Book",
2951 reply => undef,
2952 tooltip => "The contents of a note or book",
2953 },
2954 "c/lookat" => {
2955 id => "infobox",
2956 title => "Look",
2957 reply => undef,
2958 tooltip => "What you saw there",
2959 },
2960 "c/who" => {
2961 id => "infobox",
2962 title => "Players",
2963 reply => undef,
2964 tooltip => "Shows players who are currently online",
2965 },
2966 "c/body" => {
2967 id => "infobox",
2968 title => "Body Parts",
2969 reply => undef,
2970 tooltip => "Shows which body parts you posess and are available",
2971 },
2972 "c/statistics" => {
2973 id => "infobox",
2974 title => "Statistics",
2975 reply => undef,
2976 tooltip => "Shows your primary statistics",
2977 },
2978 "c/skills" => {
2979 id => "infobox",
2980 title => "Skills",
2981 reply => undef,
2982 tooltip => "Shows your experience per skill and item power",
2983 },
2984 "c/shopitems" => {
2985 id => "infobox",
2986 title => "Shop Items",
2987 reply => undef,
2988 tooltip => "Shows the items currently for sale in this shop",
2989 },
2990 "c/resistances" => {
2991 id => "infobox",
2992 title => "Resistances",
2993 reply => undef,
2994 tooltip => "Shows your resistances",
2995 },
2996 "c/pets" => {
2997 id => "infobox",
2998 title => "Pets",
2999 reply => undef,
3000 tooltip => "Shows information abotu your pets/a specific pet",
3001 },
3002 "c/perceiveself" => {
3003 id => "infobox",
3004 title => "Perceive Self",
3005 reply => undef,
3006 tooltip => "You gained detailed knowledge about yourself",
3007 },
3008 "c/uptime" => {
3009 id => "infobox",
3010 title => "Uptime",
3011 reply => undef,
3012 tooltip => "How long the server has been running since last restart",
3013 },
3014 "c/mapinfo" => {
3015 id => "infobox",
3016 title => "Map Info",
3017 reply => undef,
3018 tooltip => "Information related to the maps",
3019 },
3020 "c/party" => {
3021 id => "party",
3022 title => "Party",
3023 reply => "gsay ",
3024 tooltip => "Messages and chat related to your party",
3025 },
3026 "c/death" => {
3027 id => "death",
3028 title => "Death",
3029 reply => undef,
3030 tooltip => "Reason for and more info about your most recent death",
3031 },
3032 "c/say" => $SAY_CHANNEL,
3033 "c/chat" => $CHAT_CHANNEL,
3034);
3035
3036sub cf::client::send_msg {
3037 my ($self, $channel, $msg, $color, @extra) = @_;
3038
3039 $msg = $self->pl->expand_cfpod ($msg)
3040 unless $color & cf::NDI_VERBATIM;
3041
3042 $color &= cf::NDI_CLIENT_MASK; # just in case...
3043
3044 # check predefined channels, for the benefit of C
3045 if ($CHANNEL{$channel}) {
3046 $channel = $CHANNEL{$channel};
3047
3048 $self->ext_msg (channel_info => $channel);
3049 $channel = $channel->{id};
3050
3051 } elsif (ref $channel) {
3052 # send meta info to client, if not yet sent
3053 unless (exists $self->{channel}{$channel->{id}}) {
3054 $self->{channel}{$channel->{id}} = $channel;
3055 $self->ext_msg (channel_info => $channel);
3056 }
3057
3058 $channel = $channel->{id};
3059 }
3060
3061 return unless @extra || length $msg;
3062
3063 # default colour, mask it out
3064 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3065 if $color & cf::NDI_DEF;
3066
3067 my $pkt = "msg "
3068 . $self->{json_coder}->encode (
3069 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3070 );
3071
3072 $self->send_big_packet ($pkt);
3073}
3074
3075=item $client->ext_msg ($type, @msg)
3076
3077Sends an ext event to the client.
3078
3079=cut
3080
3081sub cf::client::ext_msg($$@) {
3082 my ($self, $type, @msg) = @_;
3083
3084 if ($self->extcmd == 2) {
3085 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3086 } elsif ($self->extcmd == 1) { # TODO: remove
3087 push @msg, msgtype => "event_$type";
3088 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3089 }
3090}
3091
3092=item $client->ext_reply ($msgid, @msg)
3093
3094Sends an ext reply to the client.
3095
3096=cut
3097
3098sub cf::client::ext_reply($$@) {
3099 my ($self, $id, @msg) = @_;
3100
3101 if ($self->extcmd == 2) {
3102 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3103 } elsif ($self->extcmd == 1) {
3104 #TODO: version 1, remove
3105 unshift @msg, msgtype => "reply", msgid => $id;
3106 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3107 }
3108}
1930 3109
1931=item $success = $client->query ($flags, "text", \&cb) 3110=item $success = $client->query ($flags, "text", \&cb)
1932 3111
1933Queues a query to the client, calling the given callback with 3112Queues a query to the client, calling the given callback with
1934the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3113the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3114C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936 3115
1937Queries can fail, so check the return code. Or don't, as queries will become 3116Queries can fail, so check the return code. Or don't, as queries will
1938reliable at some point in the future. 3117become reliable at some point in the future.
1939 3118
1940=cut 3119=cut
1941 3120
1942sub cf::client::query { 3121sub cf::client::query {
1943 my ($self, $flags, $text, $cb) = @_; 3122 my ($self, $flags, $text, $cb) = @_;
… …
1951 utf8::encode $text; 3130 utf8::encode $text;
1952 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3131 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953 3132
1954 $self->send_packet ($self->{query_queue}[0][0]) 3133 $self->send_packet ($self->{query_queue}[0][0])
1955 if @{ $self->{query_queue} } == 1; 3134 if @{ $self->{query_queue} } == 1;
3135
3136 1
1956} 3137}
1957 3138
1958cf::client->attach ( 3139cf::client->attach (
3140 on_connect => sub {
3141 my ($ns) = @_;
3142
3143 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3144 },
1959 on_reply => sub { 3145 on_reply => sub {
1960 my ($ns, $msg) = @_; 3146 my ($ns, $msg) = @_;
1961 3147
1962 # this weird shuffling is so that direct followup queries 3148 # this weird shuffling is so that direct followup queries
1963 # get handled first 3149 # get handled first
1964 my $queue = delete $ns->{query_queue} 3150 my $queue = delete $ns->{query_queue}
1965 or return; # be conservative, not sure how that can happen, but we saw a crash here 3151 or return; # be conservative, not sure how that can happen, but we saw a crash here
1966 3152
1967 (shift @$queue)->[1]->($msg); 3153 (shift @$queue)->[1]->($msg);
3154 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968 3155
1969 push @{ $ns->{query_queue} }, @$queue; 3156 push @{ $ns->{query_queue} }, @$queue;
1970 3157
1971 if (@{ $ns->{query_queue} } == @$queue) { 3158 if (@{ $ns->{query_queue} } == @$queue) {
1972 if (@$queue) { 3159 if (@$queue) {
… …
1974 } else { 3161 } else {
1975 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976 } 3163 }
1977 } 3164 }
1978 }, 3165 },
3166 on_exticmd => sub {
3167 my ($ns, $buf) = @_;
3168
3169 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3170
3171 if (ref $msg) {
3172 my ($type, $reply, @payload) =
3173 "ARRAY" eq ref $msg
3174 ? @$msg
3175 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3176
3177 my @reply;
3178
3179 if (my $cb = $EXTICMD{$type}) {
3180 @reply = $cb->($ns, @payload);
3181 }
3182
3183 $ns->ext_reply ($reply, @reply)
3184 if $reply;
3185
3186 } else {
3187 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3188 }
3189
3190 cf::override;
3191 },
1979); 3192);
1980 3193
1981=item $client->async (\&cb) 3194=item $client->async (\&cb)
1982 3195
1983Create a new coroutine, running the specified callback. The coroutine will 3196Create a new coroutine, running the specified callback. The coroutine will
… …
1999 3212
2000 $coro 3213 $coro
2001} 3214}
2002 3215
2003cf::client->attach ( 3216cf::client->attach (
2004 on_destroy => sub { 3217 on_client_destroy => sub {
2005 my ($ns) = @_; 3218 my ($ns) = @_;
2006 3219
2007 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3220 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2008 }, 3221 },
2009); 3222);
… …
2024our $safe = new Safe "safe"; 3237our $safe = new Safe "safe";
2025our $safe_hole = new Safe::Hole; 3238our $safe_hole = new Safe::Hole;
2026 3239
2027$SIG{FPE} = 'IGNORE'; 3240$SIG{FPE} = 'IGNORE';
2028 3241
2029$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3242$safe->permit_only (Opcode::opset qw(
3243 :base_core :base_mem :base_orig :base_math :base_loop
3244 grepstart grepwhile mapstart mapwhile
3245 sort time
3246));
2030 3247
2031# here we export the classes and methods available to script code 3248# here we export the classes and methods available to script code
2032 3249
2033=pod 3250=pod
2034 3251
2035The following fucntions and emthods are available within a safe environment: 3252The following functions and methods are available within a safe environment:
2036 3253
2037 cf::object contr pay_amount pay_player map 3254 cf::object
3255 contr pay_amount pay_player map x y force_find force_add destroy
3256 insert remove name archname title slaying race decrease split
3257 value
3258
2038 cf::object::player player 3259 cf::object::player
2039 cf::player peaceful 3260 player
2040 cf::map trigger 3261
3262 cf::player
3263 peaceful
3264
3265 cf::map
3266 trigger
2041 3267
2042=cut 3268=cut
2043 3269
2044for ( 3270for (
2045 ["cf::object" => qw(contr pay_amount pay_player map)], 3271 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3272 insert remove inv nrof name archname title slaying race
3273 decrease split destroy change_exp value msg lore send_msg)],
2046 ["cf::object::player" => qw(player)], 3274 ["cf::object::player" => qw(player)],
2047 ["cf::player" => qw(peaceful)], 3275 ["cf::player" => qw(peaceful send_msg)],
2048 ["cf::map" => qw(trigger)], 3276 ["cf::map" => qw(trigger)],
2049) { 3277) {
2050 no strict 'refs'; 3278 no strict 'refs';
2051 my ($pkg, @funs) = @$_; 3279 my ($pkg, @funs) = @$_;
2052 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3280 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2070 3298
2071 my $qcode = $code; 3299 my $qcode = $code;
2072 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3300 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2073 $qcode =~ s/\n/\\n/g; 3301 $qcode =~ s/\n/\\n/g;
2074 3302
3303 %vars = (_dummy => 0) unless %vars;
3304
3305 my @res;
2075 local $_; 3306 local $_;
2076 local @safe::cf::_safe_eval_args = values %vars;
2077 3307
2078 my $eval = 3308 my $eval =
2079 "do {\n" 3309 "do {\n"
2080 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3310 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081 . "#line 0 \"{$qcode}\"\n" 3311 . "#line 0 \"{$qcode}\"\n"
2082 . $code 3312 . $code
2083 . "\n}" 3313 . "\n}"
2084 ; 3314 ;
2085 3315
3316 if ($CFG{safe_eval}) {
2086 sub_generation_inc; 3317 sub_generation_inc;
3318 local @safe::cf::_safe_eval_args = values %vars;
2087 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3319 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088 sub_generation_inc; 3320 sub_generation_inc;
3321 } else {
3322 local @cf::_safe_eval_args = values %vars;
3323 @res = wantarray ? eval eval : scalar eval $eval;
3324 }
2089 3325
2090 if ($@) { 3326 if ($@) {
2091 warn "$@"; 3327 warn "$@",
2092 warn "while executing safe code '$code'\n"; 3328 "while executing safe code '$code'\n",
2093 warn "with arguments " . (join " ", %vars) . "\n"; 3329 "with arguments " . (join " ", %vars) . "\n";
2094 } 3330 }
2095 3331
2096 wantarray ? @res : $res[0] 3332 wantarray ? @res : $res[0]
2097} 3333}
2098 3334
… …
2112=cut 3348=cut
2113 3349
2114sub register_script_function { 3350sub register_script_function {
2115 my ($fun, $cb) = @_; 3351 my ($fun, $cb) = @_;
2116 3352
2117 no strict 'refs'; 3353 $fun = "safe::$fun" if $CFG{safe_eval};
2118 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3354 *$fun = $safe_hole->wrap ($cb);
2119} 3355}
2120 3356
2121=back 3357=back
2122 3358
2123=cut 3359=cut
2124 3360
2125############################################################################# 3361#############################################################################
3362# the server's init and main functions
2126 3363
2127=head2 EXTENSION DATABASE SUPPORT 3364sub load_facedata($) {
3365 my ($path) = @_;
2128 3366
2129Crossfire maintains a very simple database for extension use. It can 3367 # HACK to clear player env face cache, we need some signal framework
2130currently store anything that can be serialised using Storable, which 3368 # for this (global event?)
2131excludes objects. 3369 %ext::player_env::MUSIC_FACE_CACHE = ();
2132 3370
2133The parameter C<$family> should best start with the name of the extension 3371 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134using it, it should be unique.
2135 3372
2136=over 4 3373 trace "loading facedata from $path\n";
2137 3374
2138=item $hashref = cf::db_get $family 3375 my $facedata;
3376 0 < aio_load $path, $facedata
3377 or die "$path: $!";
2139 3378
2140Return a hashref for use by the extension C<$family>, which can be 3379 $facedata = Coro::Storable::thaw $facedata;
2141modified. After modifications, you have to call C<cf::db_dirty> or
2142C<cf::db_sync>.
2143 3380
2144=item $value = cf::db_get $family => $key 3381 $facedata->{version} == 2
3382 or cf::cleanup "$path: version mismatch, cannot proceed.";
2145 3383
2146Returns a single value from the database 3384 # patch in the exptable
2147 3385 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2148=item cf::db_put $family => $hashref 3386 $facedata->{resource}{"res/exp_table"} = {
2149 3387 type => FT_RSRC,
2150Stores the given family hashref into the database. Updates are delayed, if 3388 data => $exp_table,
2151you want the data to be synced to disk immediately, use C<cf::db_sync>. 3389 hash => (Digest::MD5::md5 $exp_table),
2152
2153=item cf::db_put $family => $key => $value
2154
2155Stores the given C<$value> in the family hash. Updates are delayed, if you
2156want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158=item cf::db_dirty
2159
2160Marks the database as dirty, to be updated at a later time.
2161
2162=item cf::db_sync
2163
2164Immediately write the database to disk I<if it is dirty>.
2165
2166=cut
2167
2168our $DB;
2169
2170{
2171 my $path = cf::localdir . "/database.pst";
2172
2173 sub db_load() {
2174 $DB = stat $path ? Storable::retrieve $path : { };
2175 }
2176
2177 my $pid;
2178
2179 sub db_save() {
2180 waitpid $pid, 0 if $pid;
2181 if (0 == ($pid = fork)) {
2182 $DB->{_meta}{version} = 1;
2183 Storable::nstore $DB, "$path~";
2184 rename "$path~", $path;
2185 cf::_exit 0 if defined $pid;
2186 }
2187 }
2188
2189 my $dirty;
2190
2191 sub db_sync() {
2192 db_save if $dirty;
2193 undef $dirty;
2194 }
2195
2196 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197 db_sync;
2198 }); 3390 };
3391 cf::cede_to_tick;
2199 3392
2200 sub db_dirty() {
2201 $dirty = 1;
2202 $idle->start;
2203 } 3393 {
3394 my $faces = $facedata->{faceinfo};
2204 3395
2205 sub db_get($;$) { 3396 while (my ($face, $info) = each %$faces) {
2206 @_ >= 2 3397 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207 ? $DB->{$_[0]}{$_[1]}
2208 : ($DB->{$_[0]} ||= { })
2209 }
2210 3398
2211 sub db_put($$;$) { 3399 cf::face::set_visibility $idx, $info->{visibility};
2212 if (@_ >= 3) { 3400 cf::face::set_magicmap $idx, $info->{magicmap};
2213 $DB->{$_[0]}{$_[1]} = $_[2]; 3401 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214 } else { 3402 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215 $DB->{$_[0]} = $_[1];
2216 }
2217 db_dirty;
2218 }
2219 3403
2220 cf::global->attach ( 3404 cf::cede_to_tick;
2221 prio => 10000,
2222 on_cleanup => sub {
2223 db_sync;
2224 }, 3405 }
2225 );
2226}
2227 3406
2228############################################################################# 3407 while (my ($face, $info) = each %$faces) {
2229# the server's main() 3408 next unless $info->{smooth};
2230 3409
2231sub cfg_load { 3410 my $idx = cf::face::find $face
3411 or next;
3412
3413 if (my $smooth = cf::face::find $info->{smooth}) {
3414 cf::face::set_smooth $idx, $smooth;
3415 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3416 } else {
3417 error "smooth face '$info->{smooth}' not found for face '$face'";
3418 }
3419
3420 cf::cede_to_tick;
3421 }
3422 }
3423
3424 {
3425 my $anims = $facedata->{animinfo};
3426
3427 while (my ($anim, $info) = each %$anims) {
3428 cf::anim::set $anim, $info->{frames}, $info->{facings};
3429 cf::cede_to_tick;
3430 }
3431
3432 cf::anim::invalidate_all; # d'oh
3433 }
3434
3435 {
3436 my $res = $facedata->{resource};
3437
3438 while (my ($name, $info) = each %$res) {
3439 if (defined $info->{type}) {
3440 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3441
3442 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3443 cf::face::set_type $idx, $info->{type};
3444 } else {
3445 $RESOURCE{$name} = $info; # unused
3446 }
3447
3448 cf::cede_to_tick;
3449 }
3450 }
3451
3452 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3453
3454 1
3455}
3456
3457register_exticmd fx_want => sub {
3458 my ($ns, $want) = @_;
3459
3460 while (my ($k, $v) = each %$want) {
3461 $ns->fx_want ($k, $v);
3462 }
3463};
3464
3465sub load_resource_file($) {
3466 my $guard = lock_acquire "load_resource_file";
3467
3468 my $status = load_resource_file_ $_[0];
3469 get_slot 0.1, 100;
3470 cf::arch::commit_load;
3471
3472 $status
3473}
3474
3475sub reload_regions {
3476 # HACK to clear player env face cache, we need some signal framework
3477 # for this (global event?)
3478 %ext::player_env::MUSIC_FACE_CACHE = ();
3479
3480 load_resource_file "$MAPDIR/regions"
3481 or die "unable to load regions file\n";
3482
3483 for (cf::region::list) {
3484 $_->{match} = qr/$_->{match}/
3485 if exists $_->{match};
3486 }
3487}
3488
3489sub reload_facedata {
3490 load_facedata "$DATADIR/facedata"
3491 or die "unable to load facedata\n";
3492}
3493
3494sub reload_archetypes {
3495 load_resource_file "$DATADIR/archetypes"
3496 or die "unable to load archetypes\n";
3497}
3498
3499sub reload_treasures {
3500 load_resource_file "$DATADIR/treasures"
3501 or die "unable to load treasurelists\n";
3502}
3503
3504sub reload_sound {
3505 trace "loading sound config from $DATADIR/sound\n";
3506
3507 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3508 or die "$DATADIR/sound $!";
3509
3510 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3511
3512 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3513 my $sound = $soundconf->{compat}[$_]
3514 or next;
3515
3516 my $face = cf::face::find "sound/$sound->[1]";
3517 cf::sound::set $sound->[0] => $face;
3518 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3519 }
3520
3521 while (my ($k, $v) = each %{$soundconf->{event}}) {
3522 my $face = cf::face::find "sound/$v";
3523 cf::sound::set $k => $face;
3524 }
3525}
3526
3527sub reload_resources {
3528 trace "reloading resource files...\n";
3529
3530 reload_facedata;
3531 reload_sound;
3532 reload_archetypes;
3533 reload_regions;
3534 reload_treasures;
3535
3536 trace "finished reloading resource files\n";
3537}
3538
3539sub reload_config {
3540 trace "reloading config file...\n";
3541
2232 open my $fh, "<:utf8", cf::confdir . "/config" 3542 open my $fh, "<:utf8", "$CONFDIR/config"
2233 or return; 3543 or return;
2234 3544
2235 local $/; 3545 local $/;
2236 *CFG = YAML::Syck::Load <$fh>; 3546 *CFG = YAML::XS::Load scalar <$fh>;
2237 3547
2238 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3548 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2239 3549
2240 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3550 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2241 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3551 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2242 3552
2243 if (exists $CFG{mlockall}) { 3553 if (exists $CFG{mlockall}) {
… …
2245 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3555 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2246 and die "WARNING: m(un)lockall failed: $!\n"; 3556 and die "WARNING: m(un)lockall failed: $!\n";
2247 }; 3557 };
2248 warn $@ if $@; 3558 warn $@ if $@;
2249 } 3559 }
3560
3561 trace "finished reloading resource files\n";
3562}
3563
3564sub pidfile() {
3565 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3566 or die "$PIDFILE: $!";
3567 flock $fh, &Fcntl::LOCK_EX
3568 or die "$PIDFILE: flock: $!";
3569 $fh
3570}
3571
3572# make sure only one server instance is running at any one time
3573sub atomic {
3574 my $fh = pidfile;
3575
3576 my $pid = <$fh>;
3577 kill 9, $pid if $pid > 0;
3578
3579 seek $fh, 0, 0;
3580 print $fh $$;
3581}
3582
3583sub main_loop {
3584 trace "EV::loop starting\n";
3585 if (1) {
3586 EV::loop;
3587 }
3588 trace "EV::loop returned\n";
3589 goto &main_loop unless $REALLY_UNLOOP;
2250} 3590}
2251 3591
2252sub main { 3592sub main {
3593 cf::init_globals; # initialise logging
3594
3595 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3596 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3597 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3598 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3599
3600 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3601
2253 # we must not ever block the main coroutine 3602 # we must not ever block the main coroutine
2254 local $Coro::idle = sub { 3603 local $Coro::idle = sub {
2255 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3604 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2256 async { Event::one_event }; 3605 (async {
3606 $Coro::current->{desc} = "IDLE BUG HANDLER";
3607 EV::loop EV::LOOP_ONESHOT;
3608 })->prio (Coro::PRIO_MAX);
2257 }; 3609 };
2258 3610
2259 cfg_load; 3611 evthread_start IO::AIO::poll_fileno;
2260 db_load; 3612
3613 cf::sync_job {
3614 cf::init_experience;
3615 cf::init_anim;
3616 cf::init_attackmess;
3617 cf::init_dynamic;
3618
3619 cf::load_settings;
3620 cf::load_materials;
3621
3622 reload_resources;
3623 reload_config;
3624 db_init;
3625
3626 cf::init_uuid;
3627 cf::init_signals;
3628 cf::init_skills;
3629
3630 cf::init_beforeplay;
3631
3632 atomic;
3633
2261 load_extensions; 3634 load_extensions;
2262 Event::loop; 3635
3636 utime time, time, $RUNTIMEFILE;
3637
3638 # no (long-running) fork's whatsoever before this point(!)
3639 use POSIX ();
3640 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3641
3642 (pop @POST_INIT)->(0) while @POST_INIT;
3643 };
3644
3645 cf::object::thawer::errors_are_fatal 0;
3646 info "parse errors in files are no longer fatal from this point on.\n";
3647
3648 main_loop;
2263} 3649}
2264 3650
2265############################################################################# 3651#############################################################################
2266# initialisation and cleanup 3652# initialisation and cleanup
2267 3653
2268# install some emergency cleanup handlers 3654# install some emergency cleanup handlers
2269BEGIN { 3655BEGIN {
3656 our %SIGWATCHER = ();
2270 for my $signal (qw(INT HUP TERM)) { 3657 for my $signal (qw(INT HUP TERM)) {
2271 Event->signal ( 3658 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2272 data => WF_AUTOCANCEL,
2273 signal => $signal,
2274 cb => sub {
2275 cf::cleanup "SIG$signal"; 3659 cf::cleanup "SIG$signal";
2276 },
2277 ); 3660 };
3661 }
3662}
3663
3664sub write_runtime_sync {
3665 my $t0 = AE::time;
3666
3667 # first touch the runtime file to show we are still running:
3668 # the fsync below can take a very very long time.
3669
3670 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3671
3672 my $guard = cf::lock_acquire "write_runtime";
3673
3674 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3675 or return;
3676
3677 my $value = $cf::RUNTIME + 90 + 10;
3678 # 10 is the runtime save interval, for a monotonic clock
3679 # 60 allows for the watchdog to kill the server.
3680
3681 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3682 and return;
3683
3684 # always fsync - this file is important
3685 aio_fsync $fh
3686 and return;
3687
3688 # touch it again to show we are up-to-date
3689 aio_utime $fh, undef, undef;
3690
3691 close $fh
3692 or return;
3693
3694 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3695 and return;
3696
3697 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3698
2278 } 3699 1
3700}
3701
3702our $uuid_lock;
3703our $uuid_skip;
3704
3705sub write_uuid_sync($) {
3706 $uuid_skip ||= $_[0];
3707
3708 return if $uuid_lock;
3709 local $uuid_lock = 1;
3710
3711 my $uuid = "$LOCALDIR/uuid";
3712
3713 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3714 or return;
3715
3716 my $value = uuid_seq uuid_cur;
3717
3718 unless ($value) {
3719 info "cowardly refusing to write zero uuid value!\n";
3720 return;
3721 }
3722
3723 my $value = uuid_str $value + $uuid_skip;
3724 $uuid_skip = 0;
3725
3726 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3727 and return;
3728
3729 # always fsync - this file is important
3730 aio_fsync $fh
3731 and return;
3732
3733 close $fh
3734 or return;
3735
3736 aio_rename "$uuid~", $uuid
3737 and return;
3738
3739 trace "uuid file written ($value).\n";
3740
3741 1
3742
3743}
3744
3745sub write_uuid($$) {
3746 my ($skip, $sync) = @_;
3747
3748 $sync ? write_uuid_sync $skip
3749 : async { write_uuid_sync $skip };
2279} 3750}
2280 3751
2281sub emergency_save() { 3752sub emergency_save() {
2282 my $freeze_guard = cf::freeze_mainloop; 3753 my $freeze_guard = cf::freeze_mainloop;
2283 3754
2284 warn "enter emergency perl save\n"; 3755 info "emergency_perl_save: enter\n";
3756
3757 # this is a trade-off: we want to be very quick here, so
3758 # save all maps without fsync, and later call a global sync
3759 # (which in turn might be very very slow)
3760 local $USE_FSYNC = 0;
2285 3761
2286 cf::sync_job { 3762 cf::sync_job {
3763 cf::write_runtime_sync; # external watchdog should not bark
3764
2287 # use a peculiar iteration method to avoid tripping on perl 3765 # use a peculiar iteration method to avoid tripping on perl
2288 # refcount bugs in for. also avoids problems with players 3766 # refcount bugs in for. also avoids problems with players
2289 # and maps saved/Destroyed asynchronously. 3767 # and maps saved/destroyed asynchronously.
2290 warn "begin emergency player save\n"; 3768 info "emergency_perl_save: begin player save\n";
2291 for my $login (keys %cf::PLAYER) { 3769 for my $login (keys %cf::PLAYER) {
2292 my $pl = $cf::PLAYER{$login} or next; 3770 my $pl = $cf::PLAYER{$login} or next;
2293 $pl->valid or next; 3771 $pl->valid or next;
3772 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294 $pl->save; 3773 $pl->save;
2295 } 3774 }
2296 warn "end emergency player save\n"; 3775 info "emergency_perl_save: end player save\n";
2297 3776
2298 warn "begin emergency map save\n"; 3777 cf::write_runtime_sync; # external watchdog should not bark
3778
3779 info "emergency_perl_save: begin map save\n";
2299 for my $path (keys %cf::MAP) { 3780 for my $path (keys %cf::MAP) {
2300 my $map = $cf::MAP{$path} or next; 3781 my $map = $cf::MAP{$path} or next;
2301 $map->valid or next; 3782 $map->valid or next;
2302 $map->save; 3783 $map->save;
2303 } 3784 }
2304 warn "end emergency map save\n"; 3785 info "emergency_perl_save: end map save\n";
3786
3787 cf::write_runtime_sync; # external watchdog should not bark
3788
3789 info "emergency_perl_save: begin database checkpoint\n";
3790 BDB::db_env_txn_checkpoint $DB_ENV;
3791 info "emergency_perl_save: end database checkpoint\n";
3792
3793 info "emergency_perl_save: begin write uuid\n";
3794 write_uuid_sync 1;
3795 info "emergency_perl_save: end write uuid\n";
3796
3797 cf::write_runtime_sync; # external watchdog should not bark
3798
3799 trace "emergency_perl_save: syncing database to disk";
3800 BDB::db_env_txn_checkpoint $DB_ENV;
3801
3802 info "emergency_perl_save: starting sync\n";
3803 IO::AIO::aio_sync sub {
3804 info "emergency_perl_save: finished sync\n";
3805 };
3806
3807 cf::write_runtime_sync; # external watchdog should not bark
3808
3809 trace "emergency_perl_save: flushing outstanding aio requests";
3810 while (IO::AIO::nreqs || BDB::nreqs) {
3811 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3812 }
3813
3814 cf::write_runtime_sync; # external watchdog should not bark
2305 }; 3815 };
2306 3816
2307 warn "leave emergency perl save\n"; 3817 info "emergency_perl_save: leave\n";
2308} 3818}
2309 3819
3820sub post_cleanup {
3821 my ($make_core) = @_;
3822
3823 IO::AIO::flush;
3824
3825 error Carp::longmess "post_cleanup backtrace"
3826 if $make_core;
3827
3828 my $fh = pidfile;
3829 unlink $PIDFILE if <$fh> == $$;
3830}
3831
3832# a safer delete_package, copied from Symbol
3833sub clear_package($) {
3834 my $pkg = shift;
3835
3836 # expand to full symbol table name if needed
3837 unless ($pkg =~ /^main::.*::$/) {
3838 $pkg = "main$pkg" if $pkg =~ /^::/;
3839 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3840 $pkg .= '::' unless $pkg =~ /::$/;
3841 }
3842
3843 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3844 my $stem_symtab = *{$stem}{HASH};
3845
3846 defined $stem_symtab and exists $stem_symtab->{$leaf}
3847 or return;
3848
3849 # clear all symbols
3850 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3851 for my $name (keys %$leaf_symtab) {
3852 _gv_clear *{"$pkg$name"};
3853# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3854 }
3855}
3856
2310sub reload() { 3857sub do_reload_perl() {
2311 # can/must only be called in main 3858 # can/must only be called in main
2312 if ($Coro::current != $Coro::main) { 3859 if (in_main) {
2313 warn "can only reload from main coroutine\n"; 3860 error "can only reload from main coroutine";
2314 return; 3861 return;
2315 } 3862 }
2316 3863
3864 return if $RELOAD++;
3865
3866 my $t1 = AE::time;
3867
3868 while ($RELOAD) {
2317 warn "reloading..."; 3869 info "reloading...";
2318 3870
2319 warn "freezing server"; 3871 trace "entering sync_job";
2320 my $guard = freeze_mainloop; 3872
3873 cf::sync_job {
2321 cf::emergency_save; 3874 cf::emergency_save;
2322 3875
2323 warn "sync database to disk";
2324 cf::db_sync;
2325 IO::AIO::flush;
2326
2327 eval {
2328 # if anything goes wrong in here, we should simply crash as we already saved
2329
2330 warn "cancel all watchers";
2331 for (Event::all_watchers) {
2332 $_->cancel if $_->data & WF_AUTOCANCEL;
2333 }
2334
2335 warn "cancel all extension coros"; 3876 trace "cancelling all extension coros";
2336 $_->cancel for values %EXT_CORO; 3877 $_->cancel for values %EXT_CORO;
2337 %EXT_CORO = (); 3878 %EXT_CORO = ();
2338 3879
2339 warn "remove commands"; 3880 trace "removing commands";
2340 %COMMAND = (); 3881 %COMMAND = ();
2341 3882
2342 warn "remove ext commands"; 3883 trace "removing ext/exti commands";
2343 %EXTCMD = (); 3884 %EXTCMD = ();
3885 %EXTICMD = ();
2344 3886
2345 warn "unload/nuke all extensions"; 3887 trace "unloading/nuking all extensions";
2346 for my $pkg (@EXTS) { 3888 for my $pkg (@EXTS) {
2347 warn "... unloading $pkg"; 3889 trace "... unloading $pkg";
2348 3890
2349 if (my $cb = $pkg->can ("unload")) { 3891 if (my $cb = $pkg->can ("unload")) {
2350 eval { 3892 eval {
2351 $cb->($pkg); 3893 $cb->($pkg);
2352 1 3894 1
2353 } or warn "$pkg unloaded, but with errors: $@"; 3895 } or error "$pkg unloaded, but with errors: $@";
3896 }
3897
3898 trace "... clearing $pkg";
3899 clear_package $pkg;
2354 } 3900 }
2355 3901
2356 warn "... nuking $pkg";
2357 Symbol::delete_package $pkg;
2358 }
2359
2360 warn "unload all perl modules loaded from $LIBDIR"; 3902 trace "unloading all perl modules loaded from $LIBDIR";
2361 while (my ($k, $v) = each %INC) { 3903 while (my ($k, $v) = each %INC) {
2362 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3904 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363 3905
2364 warn "removing <$k>"; 3906 trace "... unloading $k";
2365 delete $INC{$k}; 3907 delete $INC{$k};
2366 3908
2367 $k =~ s/\.pm$//; 3909 $k =~ s/\.pm$//;
2368 $k =~ s/\//::/g; 3910 $k =~ s/\//::/g;
2369 3911
2370 if (my $cb = $k->can ("unload_module")) { 3912 if (my $cb = $k->can ("unload_module")) {
2371 $cb->(); 3913 $cb->();
3914 }
3915
3916 clear_package $k;
2372 } 3917 }
2373 3918
2374 Symbol::delete_package $k;
2375 }
2376
2377 warn "get rid of safe::, as good as possible"; 3919 trace "getting rid of safe::, as good as possible";
2378 Symbol::delete_package "safe::$_" 3920 clear_package "safe::$_"
2379 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3921 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380 3922
2381 warn "unload cf.pm \"a bit\""; 3923 trace "unloading cf.pm \"a bit\"";
2382 delete $INC{"cf.pm"}; 3924 delete $INC{"cf.pm"};
3925 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383 3926
2384 # don't, removes xs symbols, too, 3927 # don't, removes xs symbols, too,
2385 # and global variables created in xs 3928 # and global variables created in xs
2386 #Symbol::delete_package __PACKAGE__; 3929 #clear_package __PACKAGE__;
2387 3930
3931 info "unload completed, starting to reload now";
3932
2388 warn "reloading cf.pm"; 3933 trace "reloading cf.pm";
2389 require cf; 3934 require cf;
2390 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3935 cf::_connect_to_perl_1;
2391 3936
2392 warn "load config and database again"; 3937 trace "loading config and database again";
2393 cf::cfg_load; 3938 cf::reload_config;
2394 cf::db_load;
2395 3939
2396 warn "load extensions"; 3940 trace "loading extensions";
2397 cf::load_extensions; 3941 cf::load_extensions;
2398 3942
3943 if ($REATTACH_ON_RELOAD) {
2399 warn "reattach attachments to objects/players"; 3944 trace "reattaching attachments to objects/players";
2400 _global_reattach; 3945 _global_reattach; # objects, sockets
2401 warn "reattach attachments to maps"; 3946 trace "reattaching attachments to maps";
2402 reattach $_ for values %MAP; 3947 reattach $_ for values %MAP;
3948 trace "reattaching attachments to players";
3949 reattach $_ for values %PLAYER;
3950 }
3951
3952 trace "running post_init jobs";
3953 (pop @POST_INIT)->(1) while @POST_INIT;
3954
3955 trace "leaving sync_job";
3956
3957 1
3958 } or do {
3959 error $@;
3960 cf::cleanup "error while reloading, exiting.";
3961 };
3962
3963 info "reloaded";
3964 --$RELOAD;
3965 }
3966
3967 $t1 = AE::time - $t1;
3968 info "reload completed in ${t1}s\n";
3969};
3970
3971our $RELOAD_WATCHER; # used only during reload
3972
3973sub reload_perl() {
3974 # doing reload synchronously and two reloads happen back-to-back,
3975 # coro crashes during coro_state_free->destroy here.
3976
3977 $RELOAD_WATCHER ||= cf::async {
3978 Coro::AIO::aio_wait cache_extensions;
3979
3980 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3981 do_reload_perl;
3982 undef $RELOAD_WATCHER;
3983 };
2403 }; 3984 };
2404
2405 if ($@) {
2406 warn $@;
2407 warn "error while reloading, exiting.";
2408 exit 1;
2409 }
2410
2411 warn "reloaded";
2412};
2413
2414#############################################################################
2415
2416unless ($LINK_MAP) {
2417 $LINK_MAP = cf::map::new;
2418
2419 $LINK_MAP->width (41);
2420 $LINK_MAP->height (41);
2421 $LINK_MAP->alloc;
2422 $LINK_MAP->path ("{link}");
2423 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426 # dirty hack because... archetypes are not yet loaded
2427 Event->timer (
2428 after => 10,
2429 cb => sub {
2430 $_[0]->w->cancel;
2431
2432 # provide some exits "home"
2433 my $exit = cf::object::new "exit";
2434
2435 $exit->slaying ($EMERGENCY_POSITION->[0]);
2436 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439 $LINK_MAP->insert ($exit->clone, 19, 19);
2440 $LINK_MAP->insert ($exit->clone, 19, 20);
2441 $LINK_MAP->insert ($exit->clone, 19, 21);
2442 $LINK_MAP->insert ($exit->clone, 20, 19);
2443 $LINK_MAP->insert ($exit->clone, 20, 21);
2444 $LINK_MAP->insert ($exit->clone, 21, 19);
2445 $LINK_MAP->insert ($exit->clone, 21, 20);
2446 $LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448 $exit->destroy;
2449 });
2450
2451 $LINK_MAP->{deny_save} = 1;
2452 $LINK_MAP->{deny_reset} = 1;
2453
2454 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455} 3985}
2456 3986
2457register_command "reload" => sub { 3987register_command "reload" => sub {
2458 my ($who, $arg) = @_; 3988 my ($who, $arg) = @_;
2459 3989
2460 if ($who->flag (FLAG_WIZ)) { 3990 if ($who->flag (FLAG_WIZ)) {
2461 $who->message ("start of reload.");
2462 reload;
2463 $who->message ("end of reload."); 3991 $who->message ("reloading server.");
3992 async {
3993 $Coro::current->{desc} = "perl_reload";
3994 reload_perl;
3995 };
2464 } 3996 }
2465}; 3997};
2466 3998
2467unshift @INC, $LIBDIR; 3999unshift @INC, $LIBDIR;
2468 4000
2469$TICK_WATCHER = Event->timer ( 4001my $bug_warning = 0;
2470 reentrant => 0,
2471 prio => 0,
2472 at => $NEXT_TICK || $TICK,
2473 data => WF_AUTOCANCEL,
2474 cb => sub {
2475 $NOW = Event::time;
2476 4002
4003our @WAIT_FOR_TICK;
4004our @WAIT_FOR_TICK_BEGIN;
4005
4006sub wait_for_tick {
4007 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4008
4009 my $signal = new Coro::Signal;
4010 push @WAIT_FOR_TICK, $signal;
4011 $signal->wait;
4012}
4013
4014sub wait_for_tick_begin {
4015 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4016
4017 my $signal = new Coro::Signal;
4018 push @WAIT_FOR_TICK_BEGIN, $signal;
4019 $signal->wait;
4020}
4021
4022sub tick {
4023 if ($Coro::current != $Coro::main) {
4024 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
4025 unless ++$bug_warning > 10;
4026 return;
4027 }
4028
2477 cf::server_tick; # one server iteration 4029 cf::server_tick; # one server iteration
2478 $RUNTIME += $TICK;
2479 $NEXT_TICK += $TICK;
2480 4030
2481 $WAIT_FOR_TICK->broadcast; 4031 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2482 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483 4032
2484 # if we are delayed by four ticks or more, skip them all 4033 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 4034 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486 4035 Coro::async_pool {
2487 $TICK_WATCHER->at ($NEXT_TICK); 4036 $Coro::current->{desc} = "runtime saver";
2488 $TICK_WATCHER->start;
2489 },
2490);
2491
2492IO::AIO::max_poll_time $TICK * 0.2;
2493
2494Event->io (
2495 fd => IO::AIO::poll_fileno,
2496 poll => 'r',
2497 prio => 5,
2498 data => WF_AUTOCANCEL,
2499 cb => \&IO::AIO::poll_cb,
2500);
2501
2502Event->timer (
2503 data => WF_AUTOCANCEL,
2504 after => 0,
2505 interval => 10,
2506 cb => sub {
2507 (Coro::unblock_sub {
2508 write_runtime 4037 write_runtime_sync
2509 or warn "ERROR: unable to write runtime file: $!"; 4038 or error "ERROR: unable to write runtime file: $!";
2510 })->(); 4039 };
2511 }, 4040 }
2512); 4041
4042 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4043 $sig->send;
4044 }
4045 while (my $sig = shift @WAIT_FOR_TICK) {
4046 $sig->send;
4047 }
4048
4049 $LOAD = ($NOW - $TICK_START) / $TICK;
4050 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4051
4052 if (0) {
4053 if ($NEXT_TICK) {
4054 my $jitter = $TICK_START - $NEXT_TICK;
4055 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4056 debug "jitter $JITTER\n";#d#
4057 }
4058 }
4059}
4060
4061{
4062 # configure BDB
4063
4064 BDB::min_parallel 16;
4065 BDB::max_poll_reqs $TICK * 0.1;
4066 $AnyEvent::BDB::WATCHER->priority (1);
4067
4068 unless ($DB_ENV) {
4069 $DB_ENV = BDB::db_env_create;
4070 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4071 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4072 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4073 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4074 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4075
4076 cf::sync_job {
4077 eval {
4078 BDB::db_env_open
4079 $DB_ENV,
4080 $BDBDIR,
4081 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4082 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4083 0666;
4084
4085 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4086 };
4087
4088 cf::cleanup "db_env_open(db): $@" if $@;
4089 };
4090 }
4091
4092 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4093 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4094 };
4095 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4096 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4097 };
4098 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4099 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4100 };
4101}
4102
4103{
4104 # configure IO::AIO
4105
4106 IO::AIO::min_parallel 8;
4107 IO::AIO::max_poll_time $TICK * 0.1;
4108 undef $AnyEvent::AIO::WATCHER;
4109}
4110
4111my $_log_backtrace;
4112
4113sub _log_backtrace {
4114 my ($msg, @addr) = @_;
4115
4116 $msg =~ s/\n//;
4117
4118 # limit the # of concurrent backtraces
4119 if ($_log_backtrace < 2) {
4120 ++$_log_backtrace;
4121 my $perl_bt = Carp::longmess $msg;
4122 async {
4123 $Coro::current->{desc} = "abt $msg";
4124
4125 my @bt = fork_call {
4126 @addr = map { sprintf "%x", $_ } @addr;
4127 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4128 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4129 or die "addr2line: $!";
4130
4131 my @funcs;
4132 my @res = <$fh>;
4133 chomp for @res;
4134 while (@res) {
4135 my ($func, $line) = splice @res, 0, 2, ();
4136 push @funcs, "[$func] $line";
4137 }
4138
4139 @funcs
4140 };
4141
4142 LOG llevInfo, "[ABT] $perl_bt\n";
4143 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4144 LOG llevInfo, "[ABT] $_\n" for @bt;
4145 --$_log_backtrace;
4146 };
4147 } else {
4148 LOG llevInfo, "[ABT] $msg\n";
4149 LOG llevInfo, "[ABT] [suppressed]\n";
4150 }
4151}
4152
4153# load additional modules
4154require "cf/$_.pm" for @EXTRA_MODULES;
4155cf::_connect_to_perl_2;
2513 4156
2514END { cf::emergency_save } 4157END { cf::emergency_save }
2515 4158
25161 41591
2517 4160

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