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Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify 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 ();
12 37
38use Guard ();
13use Coro 3.5 (); 39use Coro ();
40use Coro::State;
41use Coro::Handle;
42use Coro::EV;
14use Coro::Event; 43use Coro::AnyEvent;
15use Coro::Timer; 44use Coro::Timer;
16use Coro::Signal; 45use Coro::Signal;
17use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
18use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
51use Coro::Storable;
52use Coro::Util ();
19 53
54use JSON::XS 2.01 ();
20use BDB (); 55use BDB ();
21use Data::Dumper; 56use Data::Dumper;
22use Digest::MD5; 57use Digest::MD5;
23use Fcntl; 58use Fcntl;
24use IO::AIO 2.32 ();
25use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
26use Time::HiRes; 61use Time::HiRes;
27use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
28 64
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";
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 77
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32 80
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 82
40our %COMMAND = (); 83our %COMMAND = ();
41our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
42 85
43our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
47 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
48our @EVENT; 93our @EVENT;
49our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
50 96
51our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
52our $TICK_WATCHER; 98our $DATADIR = datadir;
53our $AIO_POLL_WATCHER; 99our $LIBDIR = "$DATADIR/ext";
54our $WRITE_RUNTIME_WATCHER; 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;
112
113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 115our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
58 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
61 124
62our %CFG; 125our %CFG;
63 126
64our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 128our $RUNTIME;
129our $NOW;
66 130
67our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 134
76# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 137
138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
79binmode STDOUT; 148binmode STDOUT;
80binmode STDERR; 149binmode STDERR;
81 150
82# read virtual server time, if available 151# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
84 open my $fh, "<", cf::localdir . "/runtime" 153 open my $fh, "<", $RUNTIMEFILE
85 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
86 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
87} 156}
88 157
89mkdir cf::localdir; 158eval "sub TICK() { $TICK } 1" or die;
90mkdir cf::localdir . "/" . cf::playerdir; 159
91mkdir cf::localdir . "/" . cf::tmpdir; 160mkdir $_
92mkdir cf::localdir . "/" . cf::uniquedir; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 162
96our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
97 164
98sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99 177
100############################################################################# 178#############################################################################
101 179
102=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
103 181
… …
110=item $cf::RUNTIME 188=item $cf::RUNTIME
111 189
112The time this server has run, starts at 0 and is increased by $cf::TICK on 190The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 191every server tick.
114 192
115=item $cf::LIBDIR 193=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
194$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
195$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 196
117The perl library directory, where extensions and cf-specific modules can 197Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 198directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
199unique-items directory, player file directory, random maps directory and
200database environment.
119 201
120=item $cf::NOW 202=item $cf::NOW
121 203
122The time of the last (current) server tick. 204The time of the last (current) server tick.
123 205
124=item $cf::TICK 206=item $cf::TICK
125 207
126The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
127 209
210=item $cf::LOADAVG
211
212The current CPU load on the server (alpha-smoothed), as a value between 0
213(none) and 1 (overloaded), indicating how much time is spent on processing
214objects per tick. Healthy values are < 0.5.
215
216=item $cf::LOAD
217
218The raw value load value from the last tick.
219
128=item %cf::CFG 220=item %cf::CFG
129 221
130Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 223from wherever your confdir points to.
132 224
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 225=item cf::wait_for_tick, cf::wait_for_tick_begin
134 226
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 228returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
139 242
140=back 243=back
141 244
142=cut 245=cut
143 246
144BEGIN { 247$Coro::State::WARNHOOK = sub {
145 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 248 my $msg = join "", @_;
147 utf8::encode $msg;
148 249
149 $msg .= "\n" 250 $msg .= "\n"
150 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
151 252
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254
152 LOG llevError, $msg; 255 LOG llevError, $msg;
153 }; 256};
154} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
155 271
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 276@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
277@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 278@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 279
163# we bless all objects into (empty) derived classes to force a method lookup 280# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 281# within the Safe compartment.
165for my $pkg (qw( 282for my $pkg (qw(
166 cf::global cf::attachable 283 cf::global cf::attachable
167 cf::object cf::object::player 284 cf::object cf::object::player
168 cf::client cf::player 285 cf::client cf::player
169 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
170 cf::map cf::party cf::region 288 cf::party cf::region
171)) { 289)) {
172 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 291}
175 292
176$Event::DIED = sub { 293$EV::DIED = sub {
177 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
178}; 295};
296
297#############################################################################
179 298
180=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
181 300
182=over 4 301=over 4
183 302
… …
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 322 $d
204 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
205} 324}
206 325
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
210 327
211Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
212 329
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
221 331
222Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
223 333
224=cut 334=cut
225 335
226sub to_json($) { 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 337
228 JSON::Syck::Dump $_[0] 338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
229} 353}
230 354
231=item cf::lock_wait $string 355=item cf::lock_wait $string
232 356
233Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
234 358
235=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
236 360
237Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
240returned. 364returned.
241 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
242Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
244 371
245=cut 372=item $locked = cf::lock_active $string
246 373
247our %LOCK; 374Return true if the lock is currently active, i.e. somebody has locked it.
375
376=cut
377
378our $LOCKS = new Coro::SemaphoreSet;
248 379
249sub lock_wait($) { 380sub lock_wait($) {
250 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
251
252 # wait for lock, if any
253 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule;
256 }
257} 382}
258 383
259sub lock_acquire($) { 384sub lock_acquire($) {
260 my ($key) = @_; 385 $LOCKS->guard ($_[0])
386}
261 387
262 # wait, to be sure we are not locked 388sub lock_active($) {
263 lock_wait $key; 389 $LOCKS->count ($_[0]) < 1
264
265 $LOCK{$key} = [];
266
267 Coro::guard {
268 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} };
270 }
271} 390}
272 391
273sub freeze_mainloop { 392sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
275 394
276 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
277 $TICK_WATCHER->start; 396}
278 $WRITE_RUNTIME_WATCHER->start; 397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
279 }; 456 }
280 $WRITE_RUNTIME_WATCHER->stop; 457};
281 $TICK_WATCHER->stop; 458
282 $guard 459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
283} 471}
284 472
285=item cf::async { BLOCK } 473=item cf::async { BLOCK }
286 474
287Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
292 480
293BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
294 482
295=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
296 484
297The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
300 489
301If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
304fast or be very important. 493fast or be very important.
… …
307 496
308sub sync_job(&) { 497sub sync_job(&) {
309 my ($job) = @_; 498 my ($job) = @_;
310 499
311 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
501 my $time = EV::time;
502
312 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
314 505
315 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
316 # (but this is cancel-safe) 507
317 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
318 509
319 my $busy = 1; 510 my $busy = 1;
320 my @res; 511 my @res;
321 512
322 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 515 @res = eval { $job->() };
324 warn $@ if $@; 516 warn $@ if $@;
325 undef $busy; 517 undef $busy;
326 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
327 519
328 while ($busy) { 520 while ($busy) {
329 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
330 } 525 }
526 }
527
528 my $time = EV::time - $time;
529
530 $TICK_START += $time; # do not account sync jobs to server load
331 531
332 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
333 } else { 533 } else {
334 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
335 535
… …
355 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
356 556
357 $coro 557 $coro
358} 558}
359 559
360sub write_runtime { 560=item fork_call { }, $args
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362 561
363 my $runtime = cf::localdir . "/runtime"; 562Executes the given code block with the given arguments in a seperate
563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
364 566
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 567=cut
366 or return;
367 568
368 my $value = $cf::RUNTIME + 90 + 10; 569sub fork_call(&@) {
369 # 10 is the runtime save interval, for a monotonic clock 570 my ($cb, @args) = @_;
370 # 60 allows for the watchdog to kill the server.
371 571
372 (aio_write $fh, 0, (length $value), $value, 0) <= 0 572 # we seemingly have to make a local copy of the whole thing,
373 and return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
374 575
375 # always fsync - this file is important 576 my @res = Coro::Util::fork_eval {
376 aio_fsync $fh 577 reset_signals;
377 and return; 578 &$cb
579 }, @args;
378 580
379 close $fh 581 wantarray ? @res : $res[-1]
380 or return; 582}
381 583
382 aio_rename "$runtime~", $runtime 584=item $coin = coin_from_name $name
383 and return;
384 585
586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
610
611=item $value = cf::db_get $family => $key
612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
385 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
736}
737
738=item cf::datalog type => key => value, ...
739
740Log a datalog packet of the given type with the given key-value pairs.
741
742=cut
743
744sub datalog($@) {
745 my ($type, %kv) = @_;
746 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386} 747}
387 748
388=back 749=back
389 750
390=cut 751=cut
391 752
392############################################################################# 753#############################################################################
393 754
394=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
395 756
396Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
397attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
398to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
399 760
400In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
401C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
402crossfire+). 763Deliantra).
403 764
404=over 4 765=over 4
405 766
406=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
407 768
… …
451=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
452 813
453Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
454given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
455 816
456Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
457that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
458 819
459These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
460 821
461=over 4 822=over 4
… …
570 $registry = $CB_TYPE[$object_type] ||= []; 931 $registry = $CB_TYPE[$object_type] ||= [];
571 932
572 } elsif ($type eq "subtype") { 933 } elsif ($type eq "subtype") {
573 defined $object_type or Carp::croak "subtype specified without type"; 934 defined $object_type or Carp::croak "subtype specified without type";
574 my $object_subtype = shift @arg; 935 my $object_subtype = shift @arg;
575 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 936 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576 937
577 } elsif ($type eq "package") { 938 } elsif ($type eq "package") {
578 my $pkg = shift @arg; 939 my $pkg = shift @arg;
579 940
580 while (my ($name, $id) = each %cb_id) { 941 while (my ($name, $id) = each %cb_id) {
… …
609 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
610 } 971 }
611 972
612 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
613 } else { 974 } else {
614 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
615 } 976 }
616 977
617 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
618} 979}
619 980
… …
621 if (ref $_[0]) { 982 if (ref $_[0]) {
622 _object_attach @_; 983 _object_attach @_;
623 } else { 984 } else {
624 _attach shift->_attach_registry, @_; 985 _attach shift->_attach_registry, @_;
625 } 986 }
987 _recalc_want;
626}; 988};
627 989
628# all those should be optimised 990# all those should be optimised
629sub cf::attachable::detach { 991sub cf::attachable::detach {
630 my ($obj, $name) = @_; 992 my ($obj, $name) = @_;
… …
633 delete $obj->{_attachment}{$name}; 995 delete $obj->{_attachment}{$name};
634 reattach ($obj); 996 reattach ($obj);
635 } else { 997 } else {
636 Carp::croak "cannot, currently, detach class attachments"; 998 Carp::croak "cannot, currently, detach class attachments";
637 } 999 }
1000 _recalc_want;
638}; 1001};
639 1002
640sub cf::attachable::attached { 1003sub cf::attachable::attached {
641 my ($obj, $name) = @_; 1004 my ($obj, $name) = @_;
642 1005
… …
657 "; 1020 ";
658 die if $@; 1021 die if $@;
659} 1022}
660 1023
661our $override; 1024our $override;
662our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663 1026
664sub override { 1027sub override {
665 $override = 1; 1028 $override = 1;
666 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
667} 1030}
668 1031
669sub do_invoke { 1032sub do_invoke {
670 my $event = shift; 1033 my $event = shift;
671 my $callbacks = shift; 1034 my $callbacks = shift;
672 1035
673 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
674 1037
675 local $override; 1038 local $override;
676 1039
677 for (@$callbacks) { 1040 for (@$callbacks) {
678 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
687 } 1050 }
688 1051
689 0 1052 0
690} 1053}
691 1054
692=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693 1056
694=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695 1058
696Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
697 1060
698This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
700results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701 1064
702=back 1065=back
703 1066
704=cut 1067=cut
705 1068
706############################################################################# 1069#############################################################################
707# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
708 1113
709sub reattach { 1114sub reattach {
710 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
711 my ($obj) = @_; 1116 my ($obj) = @_;
712 1117
1118 # no longer needed after getting rid of delete_package?
713 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
714 1120
715 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
716 1122
717 @$registry = (); 1123 @$registry = ();
718 1124
… …
733cf::attachable->attach ( 1139cf::attachable->attach (
734 prio => -1000000, 1140 prio => -1000000,
735 on_instantiate => sub { 1141 on_instantiate => sub {
736 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
737 1143
738 $data = from_json $data; 1144 $data = decode_json $data;
739 1145
740 for (@$data) { 1146 for (@$data) {
741 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
742 1148
743 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
759sub object_freezer_save { 1165sub object_freezer_save {
760 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
761 1167
762 sync_job { 1168 sync_job {
763 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
764 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
765 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
766 1173
767 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
769 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 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;
1179 aio_fsync $fh;
1180 }
771 close $fh; 1181 aio_close $fh;
772 1182
773 if (@$objs) { 1183 if (@$objs) {
774 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
776 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
778 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 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;
1190 aio_fsync $fh;
1191 }
779 close $fh; 1192 aio_close $fh;
780 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
781 } 1194 }
782 } else { 1195 } else {
783 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
784 } 1197 }
785 1198
786 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
787 } else { 1203 } else {
788 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
789 } 1205 }
790 } else { 1206 } else {
791 aio_unlink $filename; 1207 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
793 } 1209 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 1210 };
801} 1211}
802 1212
803sub object_freezer_as_string { 1213sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
805 1215
… …
810 1220
811sub object_thawer_load { 1221sub object_thawer_load {
812 my ($filename) = @_; 1222 my ($filename) = @_;
813 1223
814 my ($data, $av); 1224 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 1225
819 (aio_load $filename, $data) >= 0 1226 (aio_load $filename, $data) >= 0
820 or return; 1227 or return;
821 1228
822 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
823 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
824 or return; 1231 or return;
1232
825 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
826 } 1235 }
827 1236
1237 utf8::decode (my $decname = $filename);
828 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
829 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
830 return ($data, $av); 1241 ($data, $av)
831} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
832 1249
833############################################################################# 1250#############################################################################
834# command handling &c 1251# command handling &c
835 1252
836=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
849 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
850} 1267}
851 1268
852=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
853 1270
854Register a callbackf ro execution when the client sends an extcmd packet. 1271Register a callback for execution when the client sends an (synchronous)
1272extcmd packet. Ext commands will be processed in the order they are
1273received by the server, like other user commands. The first argument is
1274the logged-in player. Ext commands can only be processed after a player
1275has logged in successfully.
855 1276
856If the callback returns something, it is sent back as if reply was being 1277If the callback returns something, it is sent back as if reply was being
857called. 1278called.
858 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
859=cut 1291=cut
860 1292
861sub register_extcmd { 1293sub register_extcmd {
862 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
863 1295
864 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
865} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
866 1306
867cf::player->attach ( 1307cf::player->attach (
868 on_command => sub { 1308 on_command => sub {
869 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
870 1310
… …
878 cf::override; 1318 cf::override;
879 }, 1319 },
880 on_extcmd => sub { 1320 on_extcmd => sub {
881 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
882 1322
883 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884 1324
885 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
886 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
887 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
888 $pl->ext_reply ($msg->{msgid}, %reply);
889 }
890 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
891 } else { 1340 } else {
892 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893 } 1342 }
894 1343
895 cf::override; 1344 cf::override;
896 }, 1345 },
897); 1346);
898 1347
1348# "readahead" all extensions
899sub load_extension { 1349sub cache_extensions {
900 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
901 1351
902 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
904 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905 $pkg =~ s/[^[:word:]]/_/g;
906 $pkg = "ext::$pkg";
907
908 warn "... loading '$path' into '$pkg'\n";
909
910 open my $fh, "<:utf8", $path
911 or die "$path: $!";
912
913 my $source =
914 "package $pkg; use strict; use utf8;\n"
915 . "#line 1 \"$path\"\n{\n"
916 . (do { local $/; <$fh> })
917 . "\n};\n1";
918
919 unless (eval $source) {
920 my $msg = $@ ? "$path: $@\n"
921 : "extension disabled.\n";
922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923 warn $@;
924 warn "mandatory extension failed to load, exiting.\n";
925 exit 1;
926 } 1355 }
927 die $@;
928 } 1356 };
929 1357
930 push @EXTS, $pkg; 1358 $grp
931} 1359}
932 1360
933sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
934 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
935 next unless -r $ext; 1366 next unless -r $path;
936 eval { 1367
937 load_extension $ext; 1368 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1369 my $base = $1;
1370 my $pkg = $1;
1371 $pkg =~ s/[^[:word:]]/_/g;
1372 $pkg = "ext::$pkg";
1373
1374 open my $fh, "<:utf8", $path
1375 or die "$path: $!";
1376
1377 my $source = do { local $/; <$fh> };
1378
1379 my %ext = (
1380 path => $path,
1381 base => $base,
1382 pkg => $pkg,
1383 );
1384
1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1387
1388 $ext{source} =
1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1390 . "#line 1 \"$path\"\n{\n"
1391 . $source
1392 . "\n};\n1";
1393
1394 $todo{$base} = \%ext;
1395 }
1396
1397 my %done;
1398 while (%todo) {
1399 my $progress;
1400
1401 while (my ($k, $v) = each %todo) {
1402 for (split /,\s*/, $v->{meta}{depends}) {
1403 goto skip
1404 unless exists $done{$_};
1405 }
1406
1407 warn "... loading '$k' into '$v->{pkg}'\n";
1408
1409 unless (eval $v->{source}) {
1410 my $msg = $@ ? "$v->{path}: $@\n"
1411 : "$v->{base}: extension inactive.\n";
1412
1413 if (exists $v->{meta}{mandatory}) {
1414 warn $msg;
1415 cf::cleanup "mandatory extension failed to load, exiting.";
1416 }
1417
1418 warn $msg;
1419 }
1420
1421 $done{$k} = delete $todo{$k};
1422 push @EXTS, $v->{pkg};
1423 $progress = 1;
938 1 1424 }
939 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
940 } 1430 };
941} 1431}
942 1432
943############################################################################# 1433#############################################################################
944 1434
1435=back
1436
945=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
946 1438
947Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
948 1440
949=cut 1441=cut
950 1442
951package cf::player; 1443package cf::player;
952 1444
… …
954 1446
955=head3 cf::player 1447=head3 cf::player
956 1448
957=over 4 1449=over 4
958 1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1464
959=item cf::player::find $login 1465=item cf::player::find $login
960 1466
961Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
962 1468
963=cut 1469=cut
964 1470
965sub playerdir($) { 1471sub playerdir($) {
966 cf::localdir 1472 "$PLAYERDIR/"
967 . "/"
968 . cf::playerdir
969 . "/"
970 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1473 . (ref $_[0] ? $_[0]->ob->name : $_[0])
971} 1474}
972 1475
973sub path($) { 1476sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1477 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 1478
976 (playerdir $login) . "/$login.pl" 1479 (playerdir $login) . "/playerdata"
977} 1480}
978 1481
979sub find_active($) { 1482sub find_active($) {
980 $cf::PLAYER{$_[0]} 1483 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 1484 and $cf::PLAYER{$_[0]}->active
… …
984 1487
985sub exists($) { 1488sub exists($) {
986 my ($login) = @_; 1489 my ($login) = @_;
987 1490
988 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
989 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
990} 1493}
991 1494
992sub find($) { 1495sub find($) {
993 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
994 my $login = $_[0]; 1497 my $login = $_[0];
995 1498
996 my $guard = cf::lock_acquire "user_find:$login"; 1499 my $guard = cf::lock_acquire "user_find:$login";
997 1500
998 $cf::PLAYER{$_[0]} || do { 1501 $cf::PLAYER{$_[0]} || do {
999 my $pl = load_pl path $login 1502 # rename old playerfiles to new ones
1503 #TODO: remove when no longer required
1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1507 aio_unlink +(playerdir $login) . "/$login.pl";
1508
1509 my $f = new_from_file cf::object::thawer path $login
1000 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
1001 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1002 } 1518 }
1003 } 1519 }
1004} 1520}
1005 1521
… …
1014 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1015 1531
1016 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1017 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1018 1534
1535 cf::get_slot 0.01;
1536
1019 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1020 Coro::cede; 1538 cf::cede_to_tick;
1021} 1539}
1022 1540
1023sub new($) { 1541sub new($) {
1024 my ($login) = @_; 1542 my ($login) = @_;
1025 1543
… …
1031 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1032 1550
1033 $self 1551 $self
1034} 1552}
1035 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1036=item $pl->quit_character 1564=item $pl->quit_character
1037 1565
1038Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1039be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1040 1568
1041=cut 1569=cut
1042 1570
1043sub quit_character { 1571sub quit_character {
1044 my ($pl) = @_; 1572 my ($pl) = @_;
1045 1573
1574 my $name = $pl->ob->name;
1575
1046 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1047 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1048 1578
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1051 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1052 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1053 1585
1054 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1588 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1589 delete $cf::PLAYER{$pl->ob->name};
1058 $pl->destroy; 1590 $pl->destroy;
1591
1592 my $prefix = qr<^~\Q$name\E/>;
1593
1594 # nuke player maps
1595 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1596
1059 IO::AIO::aio_rmtree $temp; 1597 IO::AIO::aio_rmtree $temp;
1598}
1599
1600=item $pl->kick
1601
1602Kicks a player out of the game. This destroys the connection.
1603
1604=cut
1605
1606sub kick {
1607 my ($pl, $kicker) = @_;
1608
1609 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1610 $pl->killer ("kicked");
1611 $pl->ns->destroy;
1060} 1612}
1061 1613
1062=item cf::player::list_logins 1614=item cf::player::list_logins
1063 1615
1064Returns am arrayref of all valid playernames in the system, can take a 1616Returns am arrayref of all valid playernames in the system, can take a
1065while and may block, so not sync_job-capable, ever. 1617while and may block, so not sync_job-capable, ever.
1066 1618
1067=cut 1619=cut
1068 1620
1069sub list_logins { 1621sub list_logins {
1070 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1622 my $dirs = aio_readdir $PLAYERDIR
1071 or return []; 1623 or return [];
1072 1624
1073 my @logins; 1625 my @logins;
1074 1626
1075 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1076 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1078 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1079 1637
1080 utf8::decode $login; 1638 utf8::decode $login;
1081 push @logins, $login; 1639 push @logins, $login;
1082 } 1640 }
1083 1641
… …
1110 } 1668 }
1111 1669
1112 \@paths 1670 \@paths
1113} 1671}
1114 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1116 1678
1117Sends an ext reply to the player. 1679Sends an ext reply to the player.
1118 1680
1119=cut 1681=cut
1120 1682
1121sub ext_reply($$$%) { 1683sub ext_reply($$@) {
1122 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1123 1685
1124 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1125
1126 $self->send ("ext " . cf::to_json \%msg);
1127} 1687}
1128 1688
1129package cf; 1689=item $player->ext_msg ($type, @msg)
1690
1691Sends an ext event to the client.
1692
1693=cut
1694
1695sub ext_msg($$@) {
1696 my ($self, $type, @msg) = @_;
1697
1698 $self->ns->ext_msg ($type, @msg);
1699}
1700
1701=head3 cf::region
1702
1703=over 4
1704
1705=cut
1706
1707package cf::region;
1708
1709=item cf::region::find_by_path $path
1710
1711Tries to decuce the likely region for a map knowing only its path.
1712
1713=cut
1714
1715sub find_by_path($) {
1716 my ($path) = @_;
1717
1718 my ($match, $specificity);
1719
1720 for my $region (list) {
1721 if ($region->{match} && $path =~ $region->{match}) {
1722 ($match, $specificity) = ($region, $region->specificity)
1723 if $region->specificity > $specificity;
1724 }
1725 }
1726
1727 $match
1728}
1130 1729
1131=back 1730=back
1132
1133 1731
1134=head3 cf::map 1732=head3 cf::map
1135 1733
1136=over 4 1734=over 4
1137 1735
… …
1149our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1150our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1151 1749
1152sub generate_random_map { 1750sub generate_random_map {
1153 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754
1154 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1155 $self->_create_random_map ( 1756 $self->_create_random_map (
1156 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1192 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1193 1794
1194 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1195 local $self->{path}; 1796 local $self->{path};
1196 local $self->{load_path}; 1797 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199 1798
1200 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1201} 1800}
1202 1801
1203sub normalise { 1802sub normalise {
… …
1250 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1251 return $self; 1850 return $self;
1252 } 1851 }
1253 } 1852 }
1254 1853
1255 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1256 () 1855 ()
1257} 1856}
1258 1857
1259sub init { 1858sub init {
1260 my ($self) = @_; 1859 my ($self) = @_;
… …
1275 1874
1276# the original (read-only) location 1875# the original (read-only) location
1277sub load_path { 1876sub load_path {
1278 my ($self) = @_; 1877 my ($self) = @_;
1279 1878
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1879 "$MAPDIR/$self->{path}.map"
1281} 1880}
1282 1881
1283# the temporary/swap location 1882# the temporary/swap location
1284sub save_path { 1883sub save_path {
1285 my ($self) = @_; 1884 my ($self) = @_;
1286 1885
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1887 "$TMPDIR/$path.map"
1289} 1888}
1290 1889
1291# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1292sub uniq_path { 1891sub uniq_path {
1293 my ($self) = @_; 1892 my ($self) = @_;
1294 1893
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1895 "$UNIQUEDIR/$path"
1297} 1896}
1298 1897
1299# and all this just because we cannot iterate over 1898sub decay_objects {
1300# all maps in C++...
1301sub change_all_map_light {
1302 my ($change) = @_; 1899 my ($self) = @_;
1303 1900
1304 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1305 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1306} 1904}
1307 1905
1308sub unlink_save { 1906sub unlink_save {
1309 my ($self) = @_; 1907 my ($self) = @_;
1310 1908
1311 utf8::encode (my $save = $self->save_path); 1909 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1910 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1911 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1912}
1320 1913
1321sub load_header_from($) { 1914sub load_header_from($) {
1322 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1323 1916
1324 utf8::encode $path; 1917 utf8::encode $path;
1325 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1326 # or return;
1327
1328 $self->_load_header ($path)
1329 or return; 1919 or return;
1920
1921 $self->_load_header ($f)
1922 or return;
1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1330 1926
1331 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1332 1928
1333 1 1929 1
1334} 1930}
… …
1373 $self->load_header_orig 1969 $self->load_header_orig
1374 or return; 1970 or return;
1375 $self->prepare_orig; 1971 $self->prepare_orig;
1376 } 1972 }
1377 1973
1974 $self->{deny_reset} = 1
1975 if $self->no_reset;
1976
1977 $self->default_region (cf::region::find_by_path $self->{path})
1978 unless $self->default_region;
1979
1378 1 1980 1
1379} 1981}
1380 1982
1381sub find; 1983sub find;
1382sub find { 1984sub find {
1383 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1384 1986
1385 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1386 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1388 1991
1389 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1390 my $guard = cf::lock_acquire "map_find:$path";
1391 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1392 or return; 1994 or return;
1393 1995
1394 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1395 1997
1396 $map->load_header 1998 $map->load_header
1397 or return; 1999 or return;
1398 2000
1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1402 $map->reset; 2006 $map->reset;
1403 undef $guard;
1404 return find $path; 2007 return find $path;
1405 } 2008 }
1406 2009
1407 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1408 } 2011 }
… …
1415 my ($self) = @_; 2018 my ($self) = @_;
1416 2019
1417 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1418 2021
1419 my $path = $self->{path}; 2022 my $path = $self->{path};
2023
2024 {
1420 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1421 2026
2027 return unless $self->valid;
1422 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1423 2029
1424 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1425 2031
1426 $self->alloc; 2032 $self->alloc;
1427 2033
1428 $self->pre_load; 2034 $self->pre_load;
2035 cf::cede_to_tick;
1429 2036
1430 $self->_load_objects ($self->{load_path}, 1) 2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
2039 $self->_load_objects ($f)
1431 or return; 2040 or return;
1432 2041
1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1434 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1435 2044
1436 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1437 utf8::encode $uniq; 2046 utf8::encode $uniq;
1438 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1439 $self->clear_unique_items; 2049 $self->clear_unique_items;
1440 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1441 } 2053 }
1442 } 2054 }
1443 2055
1444 Coro::cede; 2056 $f->resolve_delayed_derefs;
1445 2057
2058 cf::cede_to_tick;
1446 # now do the right thing for maps 2059 # now do the right thing for maps
1447 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1448
1449 unless ($self->{deny_activate}) {
1450 $self->decay_objects;
1451 $self->fix_auto_apply;
1452 $self->update_buttons;
1453 Coro::cede;
1454 $self->set_darkness_map;
1455 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1456 unless $self->difficulty; 2062 unless $self->difficulty;
1457 Coro::cede; 2063 cf::cede_to_tick;
2064
2065 unless ($self->{deny_activate}) {
2066 $self->decay_objects;
2067 $self->fix_auto_apply;
2068 $self->update_buttons;
2069 cf::cede_to_tick;
1458 $self->activate; 2070 $self->activate;
2071 }
2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
2076 $self->in_memory (cf::MAP_ACTIVE);
1459 } 2077 }
1460 2078
1461 $self->post_load; 2079 $self->post_load;
1462
1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464} 2080}
1465 2081
1466sub customise_for { 2082sub customise_for {
1467 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1468 2084
1469 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player; 2086 if $self->per_player;
1471 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1472 $self 2091 $self
1473} 2092}
1474 2093
1475# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1476sub load_diag { 2095sub load_neighbours {
1477 my ($map) = @_; 2096 my ($map) = @_;
1478 2097
1479 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1480 2099
1481 for (0 .. 3) { 2100 for (0 .. 3) {
1482 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1483 or next; 2102 or next;
1484 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1485 or next; 2104 or next;
1486 $neigh->load; 2105 $neigh->load;
1487 2106
2107 push @neigh,
1488 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1489 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1490 } 2110 }
1491 2111
1492 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1493 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1494 or next; 2115 or next;
1495 $neigh->load; 2116 $neigh->load;
1496 } 2117 }
1497} 2118}
1498 2119
… …
1503} 2124}
1504 2125
1505sub do_load_sync { 2126sub do_load_sync {
1506 my ($map) = @_; 2127 my ($map) = @_;
1507 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1508 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1509} 2133}
1510 2134
1511our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1512our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1513 2137
1514sub find_async { 2138sub find_async {
1515 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1516 2140
1517 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1518 2142
1519 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1520 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521 } 2145 }
1522 2146
1523 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1524 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1525 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1527 my $map = find $path 2154 if (my $map = find $k) {
1528 or next;
1529 $map->load; 2155 $map->load if $v;
2156 }
1530 2157
1531 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1532 } 2159 }
1533 } 2160 }
1534 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1535 }; 2162 };
1536 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1539} 2166}
1540 2167
1541sub save { 2168sub save {
1542 my ($self) = @_; 2169 my ($self) = @_;
1543 2170
1544 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1545 2172
1546 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1547 2174
1548 return unless $self->dirty; 2175 return unless $self->dirty;
1549 2176
… …
1555 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1556 2183
1557 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1558 2185
1559 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1560 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1561 }; 2189 };
2190
2191 cf::get_slot 0.02;
1562 2192
1563 if ($uniq) { 2193 if ($uniq) {
1564 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1566 } else { 2196 } else {
… …
1572 my ($self) = @_; 2202 my ($self) = @_;
1573 2203
1574 # save first because save cedes 2204 # save first because save cedes
1575 $self->save; 2205 $self->save;
1576 2206
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2208
1579 return if $self->players; 2209 return if $self->players;
1580 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1581 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1582 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1583 $self->clear; 2217 $self->clear;
1584 $self->in_memory (cf::MAP_SWAPPED);
1585} 2218}
1586 2219
1587sub reset_at { 2220sub reset_at {
1588 my ($self) = @_; 2221 my ($self) = @_;
1589 2222
1590 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1592 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1593 2225
1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596 2228
… …
1607 my ($self) = @_; 2239 my ($self) = @_;
1608 2240
1609 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1610 2242
1611 return if $self->players; 2243 return if $self->players;
1612 return if $self->isa ("ext::map_per_player");#d#
1613 2244
1614 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
1615 2246
1616 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1617 2248
1618 # need to save uniques path 2249 # need to save uniques path
1619 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1623 if $uniq; 2254 if $uniq;
1624 } 2255 }
1625 2256
1626 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1627 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1628 $self->clear; 2261 $self->clear;
1629
1630 $_->clear_links_to ($self) for values %cf::MAP;
1631 2262
1632 $self->unlink_save; 2263 $self->unlink_save;
1633 $self->destroy; 2264 $self->destroy;
1634} 2265}
1635 2266
1636my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1637 2268
1638sub nuke { 2269sub nuke {
1639 my ($self) = @_; 2270 my ($self) = @_;
1640 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1641 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1642 2276
1643 $self->unlink_save; 2277 $self->unlink_save;
1644 2278
1645 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1646 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1647 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1648 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1649 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650 2284
1651 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1652 2287
1653 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
2289}
2290
2291=item $maps = cf::map::tmp_maps
2292
2293Returns an arrayref with all map paths of currently instantiated and saved
2294maps. May block.
2295
2296=cut
2297
2298sub tmp_maps() {
2299 [
2300 map {
2301 utf8::decode $_;
2302 /\.map$/
2303 ? normalise $_
2304 : ()
2305 } @{ aio_readdir $TMPDIR or [] }
2306 ]
2307}
2308
2309=item $maps = cf::map::random_maps
2310
2311Returns an arrayref with all map paths of currently instantiated and saved
2312random maps. May block.
2313
2314=cut
2315
2316sub random_maps() {
2317 [
2318 map {
2319 utf8::decode $_;
2320 /\.map$/
2321 ? normalise "?random/$_"
2322 : ()
2323 } @{ aio_readdir $RANDOMDIR or [] }
2324 ]
1654} 2325}
1655 2326
1656=item cf::map::unique_maps 2327=item cf::map::unique_maps
1657 2328
1658Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1659instantiated unique items. May block. 2330instantiated unique items. May block.
1660 2331
1661=cut 2332=cut
1662 2333
1663sub unique_maps() { 2334sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2335 [
1665 or return; 2336 map {
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_; 2337 utf8::decode $_;
1671 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1672 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673 2340 ? ()
1674 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1675 } 2343 ]
1676
1677 \@paths
1678} 2344}
1679 2345
1680package cf; 2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory). May block.
2350
2351=cut
2352
2353sub static_maps() {
2354 my @dirs = "";
2355 my @maps;
2356
2357 while (@dirs) {
2358 my $dir = shift @dirs;
2359
2360 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2361 or return;
2362
2363 for (@$files) {
2364 s/\.map$// or next;
2365 utf8::decode $_;
2366 push @maps, "$dir/$_";
2367 }
2368
2369 push @dirs, map "$dir/$_", @$dirs;
2370 }
2371
2372 \@maps
2373}
1681 2374
1682=back 2375=back
1683 2376
1684=head3 cf::object 2377=head3 cf::object
1685 2378
… …
1689 2382
1690=over 4 2383=over 4
1691 2384
1692=item $ob->inv_recursive 2385=item $ob->inv_recursive
1693 2386
1694Returns the inventory of the object _and_ their inventories, recursively. 2387Returns the inventory of the object I<and> their inventories, recursively,
2388but I<not> the object itself.
1695 2389
1696=cut 2390=cut
1697 2391
1698sub inv_recursive_; 2392sub inv_recursive_;
1699sub inv_recursive_ { 2393sub inv_recursive_ {
… …
1702 2396
1703sub inv_recursive { 2397sub inv_recursive {
1704 inv_recursive_ inv $_[0] 2398 inv_recursive_ inv $_[0]
1705} 2399}
1706 2400
2401=item $ref = $ob->ref
2402
2403Creates and returns a persistent reference to an object that can be stored as a string.
2404
2405=item $ob = cf::object::deref ($refstring)
2406
2407returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2408even if the object actually exists. May block.
2409
2410=cut
2411
2412sub deref {
2413 my ($ref) = @_;
2414
2415 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2416 my ($uuid, $name) = ($1, $2);
2417 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2418 or return;
2419 $pl->ob->uuid eq $uuid
2420 or return;
2421
2422 $pl->ob
2423 } else {
2424 warn "$ref: cannot resolve object reference\n";
2425 undef
2426 }
2427}
2428
1707package cf; 2429package cf;
1708 2430
1709=back 2431=back
1710 2432
1711=head3 cf::object::player 2433=head3 cf::object::player
… …
1717Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2439Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718can be C<undef>. Does the right thing when the player is currently in a 2440can be C<undef>. Does the right thing when the player is currently in a
1719dialogue with the given NPC character. 2441dialogue with the given NPC character.
1720 2442
1721=cut 2443=cut
2444
2445our $SAY_CHANNEL = {
2446 id => "say",
2447 title => "Map",
2448 reply => "say ",
2449 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2450};
2451
2452our $CHAT_CHANNEL = {
2453 id => "chat",
2454 title => "Chat",
2455 reply => "chat ",
2456 tooltip => "Player chat and shouts, global to the server.",
2457};
1722 2458
1723# rough implementation of a future "reply" method that works 2459# rough implementation of a future "reply" method that works
1724# with dialog boxes. 2460# with dialog boxes.
1725#TODO: the first argument must go, split into a $npc->reply_to ( method 2461#TODO: the first argument must go, split into a $npc->reply_to ( method
1726sub cf::object::player::reply($$$;$) { 2462sub cf::object::player::reply($$$;$) {
… …
1728 2464
1729 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2465 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730 2466
1731 if ($self->{record_replies}) { 2467 if ($self->{record_replies}) {
1732 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2468 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2469
1733 } else { 2470 } else {
2471 my $pl = $self->contr;
2472
2473 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2474 my $dialog = $pl->{npc_dialog};
2475 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2476
2477 } else {
1734 $msg = $npc->name . " says: $msg" if $npc; 2478 $msg = $npc->name . " says: $msg" if $npc;
1735 $self->message ($msg, $flags); 2479 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2480 }
1736 } 2481 }
2482}
2483
2484=item $object->send_msg ($channel, $msg, $color, [extra...])
2485
2486=cut
2487
2488sub cf::object::send_msg {
2489 my $pl = shift->contr
2490 or return;
2491 $pl->send_msg (@_);
1737} 2492}
1738 2493
1739=item $player_object->may ("access") 2494=item $player_object->may ("access")
1740 2495
1741Returns wether the given player is authorized to access resource "access" 2496Returns wether the given player is authorized to access resource "access"
… …
1754 2509
1755=item $player_object->enter_link 2510=item $player_object->enter_link
1756 2511
1757Freezes the player and moves him/her to a special map (C<{link}>). 2512Freezes the player and moves him/her to a special map (C<{link}>).
1758 2513
1759The player should be reasonably safe there for short amounts of time. You 2514The player should be reasonably safe there for short amounts of time (e.g.
1760I<MUST> call C<leave_link> as soon as possible, though. 2515for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2516though, as the palyer cannot control the character while it is on the link
2517map.
1761 2518
1762Will never block. 2519Will never block.
1763 2520
1764=item $player_object->leave_link ($map, $x, $y) 2521=item $player_object->leave_link ($map, $x, $y)
1765 2522
… …
1788 $self->deactivate_recursive; 2545 $self->deactivate_recursive;
1789 2546
1790 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2547 return if UNIVERSAL::isa $self->map, "ext::map_link";
1791 2548
1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2549 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793 if $self->map; 2550 if $self->map && $self->map->{path} ne "{link}";
1794 2551
1795 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2552 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1796} 2553}
1797 2554
1798sub cf::object::player::leave_link { 2555sub cf::object::player::leave_link {
1799 my ($self, $map, $x, $y) = @_; 2556 my ($self, $map, $x, $y) = @_;
2557
2558 return unless $self->contr->active;
1800 2559
1801 my $link_pos = delete $self->{_link_pos}; 2560 my $link_pos = delete $self->{_link_pos};
1802 2561
1803 unless ($map) { 2562 unless ($map) {
1804 # restore original map position 2563 # restore original map position
… …
1818 # use -1 or undef as default coordinates, not 0, 0 2577 # use -1 or undef as default coordinates, not 0, 0
1819 ($x, $y) = ($map->enter_x, $map->enter_y) 2578 ($x, $y) = ($map->enter_x, $map->enter_y)
1820 if $x <=0 && $y <= 0; 2579 if $x <=0 && $y <= 0;
1821 2580
1822 $map->load; 2581 $map->load;
1823 $map->load_diag; 2582 $map->load_neighbours;
1824 2583
1825 return unless $self->contr->active; 2584 return unless $self->contr->active;
2585
2586 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2587 $self->enter_map ($map, $x, $y);
2588
2589 # only activate afterwards, to support waiting in hooks
1826 $self->activate_recursive; 2590 $self->activate_recursive;
1827 $self->enter_map ($map, $x, $y);
1828} 2591}
1829 2592
1830cf::player->attach ( 2593=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2594
1834 # abort map switching before logout 2595Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2596her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2597that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2598the new (success) or old (failed) map position. In either case, $done will
1838 }; 2599be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2600
1844 # try to abort aborted map switching on player login :) 2601Note that $check will be called with a potentially non-loaded map, so if
1845 # should happen only on crashes 2602it needs a loaded map it has to call C<< ->load >>.
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED);
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861 2603
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2604=cut
2605
2606our $GOTOGEN;
1865 2607
1866sub cf::object::player::goto { 2608sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2609 my ($self, $path, $x, $y, $check, $done) = @_;
2610
2611 # do generation counting so two concurrent goto's will be executed in-order
2612 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2613
1869 $self->enter_link; 2614 $self->enter_link;
1870 2615
1871 (async { 2616 (async {
2617 $Coro::current->{desc} = "player::goto $path $x $y";
2618
2619 # *tag paths override both path and x|y
2620 if ($path =~ /^\*(.*)$/) {
2621 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2622 my $ob = $obs[rand @obs];
2623
2624 # see if we actually can go there
2625 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2626 $ob = $obs[rand @obs];
2627 } else {
2628 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2629 }
2630 # else put us there anyways for now #d#
2631
2632 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2633 } else {
2634 ($path, $x, $y) = (undef, undef, undef);
2635 }
2636 }
2637
1872 my $map = eval { 2638 my $map = eval {
1873 my $map = cf::map::find $path; 2639 my $map = defined $path ? cf::map::find $path : undef;
2640
2641 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2642 $map = $map->customise_for ($self);
2643 $map = $check->($map) if $check && $map;
2644 } else {
2645 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647
1875 $map 2648 $map
2649 };
2650
2651 if ($@) {
2652 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2653 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2654 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2655
2656 if ($gen == $self->{_goto_generation}) {
2657 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2658 $self->leave_link ($map, $x, $y);
2659 }
2660
2661 $done->() if $done;
1880 })->prio (1); 2662 })->prio (1);
1881} 2663}
1882 2664
1883=item $player_object->enter_exit ($exit_object) 2665=item $player_object->enter_exit ($exit_object)
1884 2666
… …
1904} 2686}
1905 2687
1906sub prepare_random_map { 2688sub prepare_random_map {
1907 my ($exit) = @_; 2689 my ($exit) = @_;
1908 2690
1909 my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911 # all this does is basically replace the /! path by 2691 # all this does is basically replace the /! path by
1912 # a new random map path (?random/...) with a seed 2692 # a new random map path (?random/...) with a seed
1913 # that depends on the exit object 2693 # that depends on the exit object
1914 2694
1915 my $rmp = parse_random_map_params $exit->msg; 2695 my $rmp = parse_random_map_params $exit->msg;
… …
1917 if ($exit->map) { 2697 if ($exit->map) {
1918 $rmp->{region} = $exit->region->name; 2698 $rmp->{region} = $exit->region->name;
1919 $rmp->{origin_map} = $exit->map->path; 2699 $rmp->{origin_map} = $exit->map->path;
1920 $rmp->{origin_x} = $exit->x; 2700 $rmp->{origin_x} = $exit->x;
1921 $rmp->{origin_y} = $exit->y; 2701 $rmp->{origin_y} = $exit->y;
2702
2703 $exit->map->touch;
1922 } 2704 }
1923 2705
1924 $rmp->{random_seed} ||= $exit->random_seed; 2706 $rmp->{random_seed} ||= $exit->random_seed;
1925 2707
1926 my $data = cf::to_json $rmp; 2708 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927 my $md5 = Digest::MD5::md5_hex $data; 2709 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2710 my $meta = "$RANDOMDIR/$md5.meta";
1929 2711
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2712 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2713 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2714 undef $fh;
1933 aio_rename "$meta~", $meta; 2715 aio_rename "$meta~", $meta;
1934 2716
2717 my $slaying = "?random/$md5";
2718
2719 if ($exit->valid) {
1935 $exit->slaying ("?random/$md5"); 2720 $exit->slaying ("?random/$md5");
1936 $exit->msg (undef); 2721 $exit->msg (undef);
2722 }
1937 } 2723 }
1938} 2724}
1939 2725
1940sub cf::object::player::enter_exit { 2726sub cf::object::player::enter_exit {
1941 my ($self, $exit) = @_; 2727 my ($self, $exit) = @_;
1942 2728
1943 return unless $self->type == cf::PLAYER; 2729 return unless $self->type == cf::PLAYER;
1944 2730
1945 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job
1947 cf::sync_job { prepare_random_map $exit };
1948 }
1949
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp;
1953
1954 $self->enter_link; 2731 $self->enter_link;
1955 2732
1956 (async { 2733 (async {
1957 $self->deactivate_recursive; # just to be sure 2734 $Coro::current->{desc} = "enter_exit";
2735
1958 unless (eval { 2736 unless (eval {
2737 $self->deactivate_recursive; # just to be sure
2738
2739 # random map handling
2740 {
2741 my $guard = cf::lock_acquire "exit_prepare:$exit";
2742
2743 prepare_random_map $exit
2744 if $exit->slaying eq "/!";
2745 }
2746
2747 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2748 my $x = $exit->stats->hp;
2749 my $y = $exit->stats->sp;
2750
1959 $self->goto ($slaying, $hp, $sp); 2751 $self->goto ($map, $x, $y);
1960 2752
2753 # if exit is damned, update players death & WoR home-position
2754 $self->contr->savebed ($map, $x, $y)
2755 if $exit->flag (cf::FLAG_DAMNED);
2756
1961 1; 2757 1
1962 }) { 2758 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2759 $self->message ("Something went wrong deep within the deliantra server. "
1964 . "I'll try to bring you back to the map you were before. " 2760 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2761 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2762 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2763
1968 warn "ERROR in enter_exit: $@"; 2764 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2765 $self->leave_link;
1970 } 2766 }
1971 })->prio (1); 2767 })->prio (1);
… …
1984 2780
1985sub cf::client::send_drawinfo { 2781sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2782 my ($self, $text, $flags) = @_;
1987 2783
1988 utf8::encode $text; 2784 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2785 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2786}
1991 2787
2788=item $client->send_msg ($channel, $msg, $color, [extra...])
2789
2790Send a drawinfo or msg packet to the client, formatting the msg for the
2791client if neccessary. C<$type> should be a string identifying the type of
2792the message, with C<log> being the default. If C<$color> is negative, suppress
2793the message unless the client supports the msg packet.
2794
2795=cut
2796
2797# non-persistent channels (usually the info channel)
2798our %CHANNEL = (
2799 "c/motd" => {
2800 id => "infobox",
2801 title => "MOTD",
2802 reply => undef,
2803 tooltip => "The message of the day",
2804 },
2805 "c/identify" => {
2806 id => "infobox",
2807 title => "Identify",
2808 reply => undef,
2809 tooltip => "Items recently identified",
2810 },
2811 "c/examine" => {
2812 id => "infobox",
2813 title => "Examine",
2814 reply => undef,
2815 tooltip => "Signs and other items you examined",
2816 },
2817 "c/shopinfo" => {
2818 id => "infobox",
2819 title => "Shop Info",
2820 reply => undef,
2821 tooltip => "What your bargaining skill tells you about the shop",
2822 },
2823 "c/book" => {
2824 id => "infobox",
2825 title => "Book",
2826 reply => undef,
2827 tooltip => "The contents of a note or book",
2828 },
2829 "c/lookat" => {
2830 id => "infobox",
2831 title => "Look",
2832 reply => undef,
2833 tooltip => "What you saw there",
2834 },
2835 "c/who" => {
2836 id => "infobox",
2837 title => "Players",
2838 reply => undef,
2839 tooltip => "Shows players who are currently online",
2840 },
2841 "c/body" => {
2842 id => "infobox",
2843 title => "Body Parts",
2844 reply => undef,
2845 tooltip => "Shows which body parts you posess and are available",
2846 },
2847 "c/statistics" => {
2848 id => "infobox",
2849 title => "Statistics",
2850 reply => undef,
2851 tooltip => "Shows your primary statistics",
2852 },
2853 "c/skills" => {
2854 id => "infobox",
2855 title => "Skills",
2856 reply => undef,
2857 tooltip => "Shows your experience per skill and item power",
2858 },
2859 "c/shopitems" => {
2860 id => "infobox",
2861 title => "Shop Items",
2862 reply => undef,
2863 tooltip => "Shows the items currently for sale in this shop",
2864 },
2865 "c/resistances" => {
2866 id => "infobox",
2867 title => "Resistances",
2868 reply => undef,
2869 tooltip => "Shows your resistances",
2870 },
2871 "c/pets" => {
2872 id => "infobox",
2873 title => "Pets",
2874 reply => undef,
2875 tooltip => "Shows information abotu your pets/a specific pet",
2876 },
2877 "c/perceiveself" => {
2878 id => "infobox",
2879 title => "Perceive Self",
2880 reply => undef,
2881 tooltip => "You gained detailed knowledge about yourself",
2882 },
2883 "c/uptime" => {
2884 id => "infobox",
2885 title => "Uptime",
2886 reply => undef,
2887 tooltip => "How long the server has been running since last restart",
2888 },
2889 "c/mapinfo" => {
2890 id => "infobox",
2891 title => "Map Info",
2892 reply => undef,
2893 tooltip => "Information related to the maps",
2894 },
2895 "c/party" => {
2896 id => "party",
2897 title => "Party",
2898 reply => "gsay ",
2899 tooltip => "Messages and chat related to your party",
2900 },
2901 "c/death" => {
2902 id => "death",
2903 title => "Death",
2904 reply => undef,
2905 tooltip => "Reason for and more info about your most recent death",
2906 },
2907 "c/say" => $SAY_CHANNEL,
2908 "c/chat" => $CHAT_CHANNEL,
2909);
2910
2911sub cf::client::send_msg {
2912 my ($self, $channel, $msg, $color, @extra) = @_;
2913
2914 $msg = $self->pl->expand_cfpod ($msg)
2915 unless $color & cf::NDI_VERBATIM;
2916
2917 $color &= cf::NDI_CLIENT_MASK; # just in case...
2918
2919 # check predefined channels, for the benefit of C
2920 if ($CHANNEL{$channel}) {
2921 $channel = $CHANNEL{$channel};
2922
2923 $self->ext_msg (channel_info => $channel);
2924 $channel = $channel->{id};
2925
2926 } elsif (ref $channel) {
2927 # send meta info to client, if not yet sent
2928 unless (exists $self->{channel}{$channel->{id}}) {
2929 $self->{channel}{$channel->{id}} = $channel;
2930 $self->ext_msg (channel_info => $channel);
2931 }
2932
2933 $channel = $channel->{id};
2934 }
2935
2936 return unless @extra || length $msg;
2937
2938 # default colour, mask it out
2939 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2940 if $color & cf::NDI_DEF;
2941
2942 my $pkt = "msg "
2943 . $self->{json_coder}->encode (
2944 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2945 );
2946
2947 # try lzf for large packets
2948 $pkt = "lzf " . Compress::LZF::compress $pkt
2949 if 1024 <= length $pkt and $self->{can_lzf};
2950
2951 # split very large packets
2952 if (8192 < length $pkt and $self->{can_lzf}) {
2953 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2954 $pkt = "frag";
2955 }
2956
2957 $self->send_packet ($pkt);
2958}
2959
2960=item $client->ext_msg ($type, @msg)
2961
2962Sends an ext event to the client.
2963
2964=cut
2965
2966sub cf::client::ext_msg($$@) {
2967 my ($self, $type, @msg) = @_;
2968
2969 if ($self->extcmd == 2) {
2970 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2971 } elsif ($self->extcmd == 1) { # TODO: remove
2972 push @msg, msgtype => "event_$type";
2973 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2974 }
2975}
2976
2977=item $client->ext_reply ($msgid, @msg)
2978
2979Sends an ext reply to the client.
2980
2981=cut
2982
2983sub cf::client::ext_reply($$@) {
2984 my ($self, $id, @msg) = @_;
2985
2986 if ($self->extcmd == 2) {
2987 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2988 } elsif ($self->extcmd == 1) {
2989 #TODO: version 1, remove
2990 unshift @msg, msgtype => "reply", msgid => $id;
2991 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2992 }
2993}
1992 2994
1993=item $success = $client->query ($flags, "text", \&cb) 2995=item $success = $client->query ($flags, "text", \&cb)
1994 2996
1995Queues a query to the client, calling the given callback with 2997Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2998the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2999C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 3000
1999Queries can fail, so check the return code. Or don't, as queries will become 3001Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 3002become reliable at some point in the future.
2001 3003
2002=cut 3004=cut
2003 3005
2004sub cf::client::query { 3006sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 3007 my ($self, $flags, $text, $cb) = @_;
… …
2013 utf8::encode $text; 3015 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3016 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 3017
2016 $self->send_packet ($self->{query_queue}[0][0]) 3018 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 3019 if @{ $self->{query_queue} } == 1;
3020
3021 1
2018} 3022}
2019 3023
2020cf::client->attach ( 3024cf::client->attach (
3025 on_connect => sub {
3026 my ($ns) = @_;
3027
3028 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3029 },
2021 on_reply => sub { 3030 on_reply => sub {
2022 my ($ns, $msg) = @_; 3031 my ($ns, $msg) = @_;
2023 3032
2024 # this weird shuffling is so that direct followup queries 3033 # this weird shuffling is so that direct followup queries
2025 # get handled first 3034 # get handled first
… …
2037 } else { 3046 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3047 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 3048 }
2040 } 3049 }
2041 }, 3050 },
3051 on_exticmd => sub {
3052 my ($ns, $buf) = @_;
3053
3054 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3055
3056 if (ref $msg) {
3057 my ($type, $reply, @payload) =
3058 "ARRAY" eq ref $msg
3059 ? @$msg
3060 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3061
3062 my @reply;
3063
3064 if (my $cb = $EXTICMD{$type}) {
3065 @reply = $cb->($ns, @payload);
3066 }
3067
3068 $ns->ext_reply ($reply, @reply)
3069 if $reply;
3070
3071 } else {
3072 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3073 }
3074
3075 cf::override;
3076 },
2042); 3077);
2043 3078
2044=item $client->async (\&cb) 3079=item $client->async (\&cb)
2045 3080
2046Create a new coroutine, running the specified callback. The coroutine will 3081Create a new coroutine, running the specified callback. The coroutine will
… …
2087our $safe = new Safe "safe"; 3122our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 3123our $safe_hole = new Safe::Hole;
2089 3124
2090$SIG{FPE} = 'IGNORE'; 3125$SIG{FPE} = 'IGNORE';
2091 3126
2092$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3127$safe->permit_only (Opcode::opset qw(
3128 :base_core :base_mem :base_orig :base_math
3129 grepstart grepwhile mapstart mapwhile
3130 sort time
3131));
2093 3132
2094# here we export the classes and methods available to script code 3133# here we export the classes and methods available to script code
2095 3134
2096=pod 3135=pod
2097 3136
2098The following fucntions and emthods are available within a safe environment: 3137The following functions and methods are available within a safe environment:
2099 3138
2100 cf::object contr pay_amount pay_player map 3139 cf::object
3140 contr pay_amount pay_player map x y force_find force_add destroy
3141 insert remove name archname title slaying race decrease split
3142 value
3143
2101 cf::object::player player 3144 cf::object::player
2102 cf::player peaceful 3145 player
2103 cf::map trigger 3146
3147 cf::player
3148 peaceful
3149
3150 cf::map
3151 trigger
2104 3152
2105=cut 3153=cut
2106 3154
2107for ( 3155for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 3156 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3157 insert remove inv nrof name archname title slaying race
3158 decrease split destroy change_exp value msg lore send_msg)],
2109 ["cf::object::player" => qw(player)], 3159 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3160 ["cf::player" => qw(peaceful send_msg)],
2111 ["cf::map" => qw(trigger)], 3161 ["cf::map" => qw(trigger)],
2112) { 3162) {
2113 no strict 'refs'; 3163 no strict 'refs';
2114 my ($pkg, @funs) = @$_; 3164 my ($pkg, @funs) = @$_;
2115 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3165 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2132 my ($code, %vars) = @_; 3182 my ($code, %vars) = @_;
2133 3183
2134 my $qcode = $code; 3184 my $qcode = $code;
2135 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3185 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2136 $qcode =~ s/\n/\\n/g; 3186 $qcode =~ s/\n/\\n/g;
3187
3188 %vars = (_dummy => 0) unless %vars;
2137 3189
2138 local $_; 3190 local $_;
2139 local @safe::cf::_safe_eval_args = values %vars; 3191 local @safe::cf::_safe_eval_args = values %vars;
2140 3192
2141 my $eval = 3193 my $eval =
… …
2184=back 3236=back
2185 3237
2186=cut 3238=cut
2187 3239
2188############################################################################# 3240#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions 3241# the server's init and main functions
2262 3242
3243sub load_facedata($) {
3244 my ($path) = @_;
3245
3246 # HACK to clear player env face cache, we need some signal framework
3247 # for this (global event?)
3248 %ext::player_env::MUSIC_FACE_CACHE = ();
3249
3250 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3251
3252 warn "loading facedata from $path\n";
3253
3254 my $facedata;
3255 0 < aio_load $path, $facedata
3256 or die "$path: $!";
3257
3258 $facedata = Coro::Storable::thaw $facedata;
3259
3260 $facedata->{version} == 2
3261 or cf::cleanup "$path: version mismatch, cannot proceed.";
3262
3263 # patch in the exptable
3264 $facedata->{resource}{"res/exp_table"} = {
3265 type => FT_RSRC,
3266 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3267 };
3268 cf::cede_to_tick;
3269
3270 {
3271 my $faces = $facedata->{faceinfo};
3272
3273 while (my ($face, $info) = each %$faces) {
3274 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3275
3276 cf::face::set_visibility $idx, $info->{visibility};
3277 cf::face::set_magicmap $idx, $info->{magicmap};
3278 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3279 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3280
3281 cf::cede_to_tick;
3282 }
3283
3284 while (my ($face, $info) = each %$faces) {
3285 next unless $info->{smooth};
3286
3287 my $idx = cf::face::find $face
3288 or next;
3289
3290 if (my $smooth = cf::face::find $info->{smooth}) {
3291 cf::face::set_smooth $idx, $smooth;
3292 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3293 } else {
3294 warn "smooth face '$info->{smooth}' not found for face '$face'";
3295 }
3296
3297 cf::cede_to_tick;
3298 }
3299 }
3300
3301 {
3302 my $anims = $facedata->{animinfo};
3303
3304 while (my ($anim, $info) = each %$anims) {
3305 cf::anim::set $anim, $info->{frames}, $info->{facings};
3306 cf::cede_to_tick;
3307 }
3308
3309 cf::anim::invalidate_all; # d'oh
3310 }
3311
3312 {
3313 # TODO: for gcfclient pleasure, we should give resources
3314 # that gcfclient doesn't grok a >10000 face index.
3315 my $res = $facedata->{resource};
3316
3317 while (my ($name, $info) = each %$res) {
3318 if (defined $info->{type}) {
3319 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3320 my $data;
3321
3322 if ($info->{type} & 1) {
3323 # prepend meta info
3324
3325 my $meta = $enc->encode ({
3326 name => $name,
3327 %{ $info->{meta} || {} },
3328 });
3329
3330 $data = pack "(w/a*)*", $meta, $info->{data};
3331 } else {
3332 $data = $info->{data};
3333 }
3334
3335 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3336 cf::face::set_type $idx, $info->{type};
3337 } else {
3338 $RESOURCE{$name} = $info;
3339 }
3340
3341 cf::cede_to_tick;
3342 }
3343 }
3344
3345 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3346
3347 1
3348}
3349
3350cf::global->attach (on_resource_update => sub {
3351 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3352 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3353
3354 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3355 my $sound = $soundconf->{compat}[$_]
3356 or next;
3357
3358 my $face = cf::face::find "sound/$sound->[1]";
3359 cf::sound::set $sound->[0] => $face;
3360 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3361 }
3362
3363 while (my ($k, $v) = each %{$soundconf->{event}}) {
3364 my $face = cf::face::find "sound/$v";
3365 cf::sound::set $k => $face;
3366 }
3367 }
3368});
3369
3370register_exticmd fx_want => sub {
3371 my ($ns, $want) = @_;
3372
3373 while (my ($k, $v) = each %$want) {
3374 $ns->fx_want ($k, $v);
3375 }
3376};
3377
2263sub load_resources { 3378sub load_resource_file($) {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3379 my $guard = lock_acquire "load_resource_file";
3380
3381 my $status = load_resource_file_ $_[0];
3382 get_slot 0.1, 100;
3383 cf::arch::commit_load;
3384
3385 $status
3386}
3387
3388sub reload_regions {
3389 # HACK to clear player env face cache, we need some signal framework
3390 # for this (global event?)
3391 %ext::player_env::MUSIC_FACE_CACHE = ();
3392
3393 load_resource_file "$MAPDIR/regions"
2265 or die "unable to load regions file\n";#d# 3394 or die "unable to load regions file\n";
2266}
2267 3395
2268sub cfg_load { 3396 for (cf::region::list) {
3397 $_->{match} = qr/$_->{match}/
3398 if exists $_->{match};
3399 }
3400}
3401
3402sub reload_facedata {
3403 load_facedata "$DATADIR/facedata"
3404 or die "unable to load facedata\n";
3405}
3406
3407sub reload_archetypes {
3408 load_resource_file "$DATADIR/archetypes"
3409 or die "unable to load archetypes\n";
3410}
3411
3412sub reload_treasures {
3413 load_resource_file "$DATADIR/treasures"
3414 or die "unable to load treasurelists\n";
3415}
3416
3417sub reload_resources {
3418 warn "reloading resource files...\n";
3419
3420 reload_facedata;
3421 reload_archetypes;
3422 reload_regions;
3423 reload_treasures;
3424
3425 warn "finished reloading resource files\n";
3426}
3427
3428sub reload_config {
3429 warn "reloading config file...\n";
3430
2269 open my $fh, "<:utf8", cf::confdir . "/config" 3431 open my $fh, "<:utf8", "$CONFDIR/config"
2270 or return; 3432 or return;
2271 3433
2272 local $/; 3434 local $/;
2273 *CFG = YAML::Syck::Load <$fh>; 3435 *CFG = YAML::XS::Load scalar <$fh>;
2274 3436
2275 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3437 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276 3438
2277 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3439 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3440 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2282 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3444 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283 and die "WARNING: m(un)lockall failed: $!\n"; 3445 and die "WARNING: m(un)lockall failed: $!\n";
2284 }; 3446 };
2285 warn $@ if $@; 3447 warn $@ if $@;
2286 } 3448 }
2287}
2288 3449
2289sub init { 3450 warn "finished reloading resource files\n";
2290 load_resources; 3451}
3452
3453sub pidfile() {
3454 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3455 or die "$PIDFILE: $!";
3456 flock $fh, &Fcntl::LOCK_EX
3457 or die "$PIDFILE: flock: $!";
3458 $fh
3459}
3460
3461# make sure only one server instance is running at any one time
3462sub atomic {
3463 my $fh = pidfile;
3464
3465 my $pid = <$fh>;
3466 kill 9, $pid if $pid > 0;
3467
3468 seek $fh, 0, 0;
3469 print $fh $$;
3470}
3471
3472sub main_loop {
3473 warn "EV::loop starting\n";
3474 if (1) {
3475 EV::loop;
3476 }
3477 warn "EV::loop returned\n";
3478 goto &main_loop unless $REALLY_UNLOOP;
2291} 3479}
2292 3480
2293sub main { 3481sub main {
3482 cf::init_globals; # initialise logging
3483
3484 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3485 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3486 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3487 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3488
3489 cf::init_experience;
3490 cf::init_anim;
3491 cf::init_attackmess;
3492 cf::init_dynamic;
3493
3494 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3495
2294 # we must not ever block the main coroutine 3496 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 3497 local $Coro::idle = sub {
2296 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3498 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297 (async { 3499 (async {
2298 Event::one_event; 3500 $Coro::current->{desc} = "IDLE BUG HANDLER";
3501 EV::loop EV::LOOP_ONESHOT;
2299 })->prio (Coro::PRIO_MAX); 3502 })->prio (Coro::PRIO_MAX);
2300 }; 3503 };
2301 3504
2302 cfg_load; 3505 evthread_start IO::AIO::poll_fileno;
3506
3507 cf::sync_job {
3508 reload_resources;
3509 reload_config;
2303 db_init; 3510 db_init;
3511
3512 cf::load_settings;
3513 cf::load_materials;
3514 cf::init_uuid;
3515 cf::init_signals;
3516 cf::init_commands;
3517 cf::init_skills;
3518
3519 cf::init_beforeplay;
3520
3521 atomic;
3522
2304 load_extensions; 3523 load_extensions;
2305 3524
2306 $TICK_WATCHER->start; 3525 utime time, time, $RUNTIMEFILE;
2307 Event::loop; 3526
3527 # no (long-running) fork's whatsoever before this point(!)
3528 use POSIX ();
3529 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3530
3531 (pop @POST_INIT)->(0) while @POST_INIT;
3532 };
3533
3534 main_loop;
2308} 3535}
2309 3536
2310############################################################################# 3537#############################################################################
2311# initialisation and cleanup 3538# initialisation and cleanup
2312 3539
2313# install some emergency cleanup handlers 3540# install some emergency cleanup handlers
2314BEGIN { 3541BEGIN {
3542 our %SIGWATCHER = ();
2315 for my $signal (qw(INT HUP TERM)) { 3543 for my $signal (qw(INT HUP TERM)) {
2316 Event->signal ( 3544 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2317 reentrant => 0,
2318 data => WF_AUTOCANCEL,
2319 signal => $signal,
2320 prio => 0,
2321 cb => sub {
2322 cf::cleanup "SIG$signal"; 3545 cf::cleanup "SIG$signal";
2323 },
2324 ); 3546 };
3547 }
3548}
3549
3550sub write_runtime_sync {
3551 # first touch the runtime file to show we are still running:
3552 # the fsync below can take a very very long time.
3553
3554 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3555
3556 my $guard = cf::lock_acquire "write_runtime";
3557
3558 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3559 or return;
3560
3561 my $value = $cf::RUNTIME + 90 + 10;
3562 # 10 is the runtime save interval, for a monotonic clock
3563 # 60 allows for the watchdog to kill the server.
3564
3565 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3566 and return;
3567
3568 # always fsync - this file is important
3569 aio_fsync $fh
3570 and return;
3571
3572 # touch it again to show we are up-to-date
3573 aio_utime $fh, undef, undef;
3574
3575 close $fh
3576 or return;
3577
3578 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3579 and return;
3580
3581 warn "runtime file written.\n";
3582
2325 } 3583 1
3584}
3585
3586our $uuid_lock;
3587our $uuid_skip;
3588
3589sub write_uuid_sync($) {
3590 $uuid_skip ||= $_[0];
3591
3592 return if $uuid_lock;
3593 local $uuid_lock = 1;
3594
3595 my $uuid = "$LOCALDIR/uuid";
3596
3597 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3598 or return;
3599
3600 my $value = uuid_seq uuid_cur;
3601
3602 unless ($value) {
3603 warn "cowardly refusing to write zero uuid value!\n";
3604 return;
3605 }
3606
3607 my $value = uuid_str $value + $uuid_skip;
3608 $uuid_skip = 0;
3609
3610 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3611 and return;
3612
3613 # always fsync - this file is important
3614 aio_fsync $fh
3615 and return;
3616
3617 close $fh
3618 or return;
3619
3620 aio_rename "$uuid~", $uuid
3621 and return;
3622
3623 warn "uuid file written ($value).\n";
3624
3625 1
3626
3627}
3628
3629sub write_uuid($$) {
3630 my ($skip, $sync) = @_;
3631
3632 $sync ? write_uuid_sync $skip
3633 : async { write_uuid_sync $skip };
2326} 3634}
2327 3635
2328sub emergency_save() { 3636sub emergency_save() {
2329 my $freeze_guard = cf::freeze_mainloop; 3637 my $freeze_guard = cf::freeze_mainloop;
2330 3638
2331 warn "enter emergency perl save\n"; 3639 warn "emergency_perl_save: enter\n";
2332 3640
2333 cf::sync_job { 3641 cf::sync_job {
3642 # this is a trade-off: we want to be very quick here, so
3643 # save all maps without fsync, and later call a global sync
3644 # (which in turn might be very very slow)
3645 local $USE_FSYNC = 0;
3646
2334 # use a peculiar iteration method to avoid tripping on perl 3647 # use a peculiar iteration method to avoid tripping on perl
2335 # refcount bugs in for. also avoids problems with players 3648 # refcount bugs in for. also avoids problems with players
2336 # and maps saved/destroyed asynchronously. 3649 # and maps saved/destroyed asynchronously.
2337 warn "begin emergency player save\n"; 3650 warn "emergency_perl_save: begin player save\n";
2338 for my $login (keys %cf::PLAYER) { 3651 for my $login (keys %cf::PLAYER) {
2339 my $pl = $cf::PLAYER{$login} or next; 3652 my $pl = $cf::PLAYER{$login} or next;
2340 $pl->valid or next; 3653 $pl->valid or next;
3654 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341 $pl->save; 3655 $pl->save;
2342 } 3656 }
2343 warn "end emergency player save\n"; 3657 warn "emergency_perl_save: end player save\n";
2344 3658
2345 warn "begin emergency map save\n"; 3659 warn "emergency_perl_save: begin map save\n";
2346 for my $path (keys %cf::MAP) { 3660 for my $path (keys %cf::MAP) {
2347 my $map = $cf::MAP{$path} or next; 3661 my $map = $cf::MAP{$path} or next;
2348 $map->valid or next; 3662 $map->valid or next;
2349 $map->save; 3663 $map->save;
2350 } 3664 }
2351 warn "end emergency map save\n"; 3665 warn "emergency_perl_save: end map save\n";
2352 3666
2353 warn "begin emergency database checkpoint\n"; 3667 warn "emergency_perl_save: begin database checkpoint\n";
2354 BDB::db_env_txn_checkpoint $DB_ENV; 3668 BDB::db_env_txn_checkpoint $DB_ENV;
2355 warn "end emergency database checkpoint\n"; 3669 warn "emergency_perl_save: end database checkpoint\n";
3670
3671 warn "emergency_perl_save: begin write uuid\n";
3672 write_uuid_sync 1;
3673 warn "emergency_perl_save: end write uuid\n";
2356 }; 3674 };
2357 3675
3676 warn "emergency_perl_save: starting sync()\n";
3677 IO::AIO::aio_sync sub {
3678 warn "emergency_perl_save: finished sync()\n";
3679 };
3680
2358 warn "leave emergency perl save\n"; 3681 warn "emergency_perl_save: leave\n";
2359} 3682}
2360 3683
2361sub post_cleanup { 3684sub post_cleanup {
2362 my ($make_core) = @_; 3685 my ($make_core) = @_;
2363 3686
2364 warn Carp::longmess "post_cleanup backtrace" 3687 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core; 3688 if $make_core;
2366}
2367 3689
3690 my $fh = pidfile;
3691 unlink $PIDFILE if <$fh> == $$;
3692}
3693
3694# a safer delete_package, copied from Symbol
3695sub clear_package($) {
3696 my $pkg = shift;
3697
3698 # expand to full symbol table name if needed
3699 unless ($pkg =~ /^main::.*::$/) {
3700 $pkg = "main$pkg" if $pkg =~ /^::/;
3701 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3702 $pkg .= '::' unless $pkg =~ /::$/;
3703 }
3704
3705 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3706 my $stem_symtab = *{$stem}{HASH};
3707
3708 defined $stem_symtab and exists $stem_symtab->{$leaf}
3709 or return;
3710
3711 # clear all symbols
3712 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3713 for my $name (keys %$leaf_symtab) {
3714 _gv_clear *{"$pkg$name"};
3715# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3716 }
3717 warn "cleared package $pkg\n";#d#
3718}
3719
2368sub reload() { 3720sub do_reload_perl() {
2369 # can/must only be called in main 3721 # can/must only be called in main
2370 if ($Coro::current != $Coro::main) { 3722 if ($Coro::current != $Coro::main) {
2371 warn "can only reload from main coroutine"; 3723 warn "can only reload from main coroutine";
2372 return; 3724 return;
2373 } 3725 }
2374 3726
3727 return if $RELOAD++;
3728
3729 my $t1 = EV::time;
3730
3731 while ($RELOAD) {
2375 warn "reloading..."; 3732 warn "reloading...";
2376 3733
2377 warn "cancelling server ticker"; 3734 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 3735
3736 cf::sync_job {
3737 cf::write_runtime_sync; # external watchdog should not bark
2380 cf::emergency_save; 3738 cf::emergency_save;
3739 cf::write_runtime_sync; # external watchdog should not bark
2381 3740
2382 eval { 3741 warn "syncing database to disk";
3742 BDB::db_env_txn_checkpoint $DB_ENV;
3743
2383 # if anything goes wrong in here, we should simply crash as we already saved 3744 # if anything goes wrong in here, we should simply crash as we already saved
2384 3745
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393 warn "flushing outstanding aio requests"; 3746 warn "flushing outstanding aio requests";
2394 for (;;) {
2395 BDB::flush;
2396 IO::AIO::flush;
2397 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3747 while (IO::AIO::nreqs || BDB::nreqs) {
2399 warn "iterate..."; 3748 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400 }
2401
2402 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = ();
2405
2406 warn "removing commands";
2407 %COMMAND = ();
2408
2409 warn "removing ext commands";
2410 %EXTCMD = ();
2411
2412 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg";
2415
2416 if (my $cb = $pkg->can ("unload")) {
2417 eval {
2418 $cb->($pkg);
2419 1
2420 } or warn "$pkg unloaded, but with errors: $@";
2421 } 3749 }
2422 3750
2423 warn "... nuking $pkg"; 3751 warn "cancelling all extension coros";
2424 Symbol::delete_package $pkg; 3752 $_->cancel for values %EXT_CORO;
2425 } 3753 %EXT_CORO = ();
2426 3754
2427 warn "unloading all perl modules loaded from $LIBDIR"; 3755 warn "removing commands";
2428 while (my ($k, $v) = each %INC) { 3756 %COMMAND = ();
2429 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430 3757
3758 warn "removing ext/exti commands";
3759 %EXTCMD = ();
3760 %EXTICMD = ();
3761
3762 warn "unloading/nuking all extensions";
3763 for my $pkg (@EXTS) {
2431 warn "... unloading $k"; 3764 warn "... unloading $pkg";
2432 delete $INC{$k};
2433 3765
2434 $k =~ s/\.pm$//;
2435 $k =~ s/\//::/g;
2436
2437 if (my $cb = $k->can ("unload_module")) { 3766 if (my $cb = $pkg->can ("unload")) {
3767 eval {
2438 $cb->(); 3768 $cb->($pkg);
3769 1
3770 } or warn "$pkg unloaded, but with errors: $@";
3771 }
3772
3773 warn "... clearing $pkg";
3774 clear_package $pkg;
2439 } 3775 }
2440 3776
2441 Symbol::delete_package $k; 3777 warn "unloading all perl modules loaded from $LIBDIR";
3778 while (my ($k, $v) = each %INC) {
3779 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3780
3781 warn "... unloading $k";
3782 delete $INC{$k};
3783
3784 $k =~ s/\.pm$//;
3785 $k =~ s/\//::/g;
3786
3787 if (my $cb = $k->can ("unload_module")) {
3788 $cb->();
3789 }
3790
3791 clear_package $k;
2442 } 3792 }
2443 3793
2444 warn "getting rid of safe::, as good as possible"; 3794 warn "getting rid of safe::, as good as possible";
2445 Symbol::delete_package "safe::$_" 3795 clear_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3796 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3797
2448 warn "unloading cf.pm \"a bit\""; 3798 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3799 delete $INC{"cf.pm"};
3800 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450 3801
2451 # don't, removes xs symbols, too, 3802 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3803 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3804 #clear_package __PACKAGE__;
2454 3805
2455 warn "unload completed, starting to reload now"; 3806 warn "unload completed, starting to reload now";
2456 3807
2457 warn "reloading cf.pm"; 3808 warn "reloading cf.pm";
2458 require cf; 3809 require cf;
2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3810 cf::_connect_to_perl_1;
2460 3811
2461 warn "loading config and database again"; 3812 warn "loading config and database again";
2462 cf::cfg_load; 3813 cf::reload_config;
2463 3814
2464 warn "loading extensions"; 3815 warn "loading extensions";
2465 cf::load_extensions; 3816 cf::load_extensions;
2466 3817
3818 if ($REATTACH_ON_RELOAD) {
2467 warn "reattaching attachments to objects/players"; 3819 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3820 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3821 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3822 reattach $_ for values %MAP;
3823 warn "reattaching attachments to players";
3824 reattach $_ for values %PLAYER;
3825 }
2471 3826
2472 warn "loading reloadable resources"; 3827 warn "running post_init jobs";
2473 load_resources; 3828 (pop @POST_INIT)->(1) while @POST_INIT;
2474 3829
2475 warn "restarting server ticker"; 3830 warn "leaving sync_job";
2476 3831
2477 $TICK_WATCHER->start; 3832 1
3833 } or do {
3834 warn $@;
3835 cf::cleanup "error while reloading, exiting.";
3836 };
3837
3838 warn "reloaded";
3839 --$RELOAD;
3840 }
3841
3842 $t1 = EV::time - $t1;
3843 warn "reload completed in ${t1}s\n";
3844};
3845
3846our $RELOAD_WATCHER; # used only during reload
3847
3848sub reload_perl() {
3849 # doing reload synchronously and two reloads happen back-to-back,
3850 # coro crashes during coro_state_free->destroy here.
3851
3852 $RELOAD_WATCHER ||= cf::async {
3853 Coro::AIO::aio_wait cache_extensions;
3854
3855 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3856 do_reload_perl;
3857 undef $RELOAD_WATCHER;
3858 };
2478 }; 3859 };
2479 3860}
2480 if ($@) {
2481 warn $@;
2482 warn "error while reloading, exiting.";
2483 exit 1;
2484 }
2485
2486 warn "reloaded";
2487};
2488
2489our $RELOAD_WATCHER; # used only during reload
2490 3861
2491register_command "reload" => sub { 3862register_command "reload" => sub {
2492 my ($who, $arg) = @_; 3863 my ($who, $arg) = @_;
2493 3864
2494 if ($who->flag (FLAG_WIZ)) { 3865 if ($who->flag (FLAG_WIZ)) {
2495 $who->message ("reloading server."); 3866 $who->message ("reloading server.");
2496 3867 async {
2497 # doing reload synchronously and two reloads happen back-to-back, 3868 $Coro::current->{desc} = "perl_reload";
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2505 reload; 3869 reload_perl;
2506 undef $RELOAD_WATCHER;
2507 },
2508 ); 3870 };
2509 } 3871 }
2510}; 3872};
2511 3873
2512unshift @INC, $LIBDIR; 3874unshift @INC, $LIBDIR;
2513 3875
2514my $bug_warning = 0; 3876my $bug_warning = 0;
2515 3877
2516$TICK_WATCHER = Event->timer ( 3878our @WAIT_FOR_TICK;
2517 reentrant => 0, 3879our @WAIT_FOR_TICK_BEGIN;
2518 parked => 1, 3880
2519 prio => 0, 3881sub wait_for_tick {
2520 at => $NEXT_TICK || $TICK, 3882 return if tick_inhibit || $Coro::current == $Coro::main;
2521 data => WF_AUTOCANCEL, 3883
2522 cb => sub { 3884 my $signal = new Coro::Signal;
3885 push @WAIT_FOR_TICK, $signal;
3886 $signal->wait;
3887}
3888
3889sub wait_for_tick_begin {
3890 return if tick_inhibit || $Coro::current == $Coro::main;
3891
3892 my $signal = new Coro::Signal;
3893 push @WAIT_FOR_TICK_BEGIN, $signal;
3894 $signal->wait;
3895}
3896
3897sub tick {
2523 if ($Coro::current != $Coro::main) { 3898 if ($Coro::current != $Coro::main) {
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3899 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10; 3900 unless ++$bug_warning > 10;
2526 return; 3901 return;
2527 } 3902 }
2528 3903
2529 $NOW = Event::time;
2530
2531 cf::server_tick; # one server iteration 3904 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK;
2534 3905
2535 $WAIT_FOR_TICK->broadcast; 3906 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3907 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3908 Coro::async_pool {
3909 $Coro::current->{desc} = "runtime saver";
3910 write_runtime_sync
3911 or warn "ERROR: unable to write runtime file: $!";
3912 };
3913 }
2537 3914
2538 Event::sweep; 3915 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539 Coro::cede_notself; 3916 $sig->send;
3917 }
3918 while (my $sig = shift @WAIT_FOR_TICK) {
3919 $sig->send;
3920 }
3921
3922 $LOAD = ($NOW - $TICK_START) / $TICK;
3923 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3924
3925 if (0) {
3926 if ($NEXT_TICK) {
3927 my $jitter = $TICK_START - $NEXT_TICK;
3928 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3929 warn "jitter $JITTER\n";#d#
2540 3930 }
2541# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d#
2543
2544 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547 $TICK_WATCHER->at ($NEXT_TICK);
2548 $TICK_WATCHER->start;
2549 }, 3931 }
2550); 3932}
2551 3933
2552{ 3934{
2553 BDB::max_poll_time $TICK * 0.1; 3935 # configure BDB
2554 $BDB_POLL_WATCHER = Event->io ( 3936
2555 reentrant => 0,
2556 fd => BDB::poll_fileno,
2557 poll => 'r',
2558 prio => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => \&BDB::poll_cb,
2561 );
2562 BDB::min_parallel 8; 3937 BDB::min_parallel 8;
2563 3938 BDB::max_poll_reqs $TICK * 0.1;
2564 BDB::set_sync_prepare { 3939 $AnyEvent::BDB::WATCHER->priority (1);
2565 my $status;
2566 my $current = $Coro::current;
2567 (
2568 sub {
2569 $status = $!;
2570 $current->ready; undef $current;
2571 },
2572 sub {
2573 Coro::schedule while defined $current;
2574 $! = $status;
2575 },
2576 )
2577 };
2578 3940
2579 unless ($DB_ENV) { 3941 unless ($DB_ENV) {
2580 $DB_ENV = BDB::db_env_create; 3942 $DB_ENV = BDB::db_env_create;
3943 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3944 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3945 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3946 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3947 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581 3948
2582 cf::sync_job { 3949 cf::sync_job {
2583 eval { 3950 eval {
2584 BDB::db_env_open 3951 BDB::db_env_open
2585 $DB_ENV, 3952 $DB_ENV,
2586 $BDB_ENV_DIR, 3953 $BDBDIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3954 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3955 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666; 3956 0666;
2590 3957
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3958 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect;
2595 }; 3959 };
2596 3960
2597 cf::cleanup "db_env_open(db): $@" if $@; 3961 cf::cleanup "db_env_open(db): $@" if $@;
2598 }; 3962 };
2599 } 3963 }
3964
3965 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3966 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3967 };
3968 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3969 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3970 };
3971 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3972 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3973 };
2600} 3974}
2601 3975
2602{ 3976{
3977 # configure IO::AIO
3978
2603 IO::AIO::min_parallel 8; 3979 IO::AIO::min_parallel 8;
2604
2605 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 3980 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 3981 undef $AnyEvent::AIO::WATCHER;
2608 reentrant => 0,
2609 fd => IO::AIO::poll_fileno,
2610 poll => 'r',
2611 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb,
2614 );
2615} 3982}
2616 3983
2617$WRITE_RUNTIME_WATCHER = Event->timer ( 3984my $_log_backtrace;
2618 reentrant => 0, 3985
2619 data => WF_AUTOCANCEL, 3986sub _log_backtrace {
2620 after => 1, 3987 my ($msg, @addr) = @_;
2621 interval => 10, 3988
2622 prio => 6, # keep it lowest so it acts like a watchdog 3989 $msg =~ s/\n//;
2623 cb => Coro::unblock_sub { 3990
2624 write_runtime 3991 # limit the # of concurrent backtraces
2625 or warn "ERROR: unable to write runtime file: $!"; 3992 if ($_log_backtrace < 2) {
3993 ++$_log_backtrace;
3994 my $perl_bt = Carp::longmess $msg;
3995 async {
3996 $Coro::current->{desc} = "abt $msg";
3997
3998 my @bt = fork_call {
3999 @addr = map { sprintf "%x", $_ } @addr;
4000 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4001 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4002 or die "addr2line: $!";
4003
4004 my @funcs;
4005 my @res = <$fh>;
4006 chomp for @res;
4007 while (@res) {
4008 my ($func, $line) = splice @res, 0, 2, ();
4009 push @funcs, "[$func] $line";
4010 }
4011
4012 @funcs
4013 };
4014
4015 LOG llevInfo, "[ABT] $perl_bt\n";
4016 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4017 LOG llevInfo, "[ABT] $_\n" for @bt;
4018 --$_log_backtrace;
4019 };
4020 } else {
4021 LOG llevInfo, "[ABT] $msg\n";
4022 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 4023 }
2627); 4024}
4025
4026# load additional modules
4027require "cf/$_.pm" for @EXTRA_MODULES;
4028cf::_connect_to_perl_2;
2628 4029
2629END { cf::emergency_save } 4030END { cf::emergency_save }
2630 4031
26311 40321
2632 4033

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