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Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.496 by root, Sun Nov 15 18:03:59 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 ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.5 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
20use BDB (); 56use BDB ();
21use Data::Dumper; 57use Data::Dumper;
22use 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";
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(!)
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 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 Carp::cluck "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}
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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
278 }; 456 }
279 $TICK_WATCHER->stop; 457};
280 $guard 458
459sub get_slot($;$$) {
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 $sig->wait;
281} 471}
282 472
283=item cf::async { BLOCK } 473=item cf::async { BLOCK }
284 474
285Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
290 480
291BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
292 482
293=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
294 484
295The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
298 489
299If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
302fast or be very important. 493fast or be very important.
… …
305 496
306sub sync_job(&) { 497sub sync_job(&) {
307 my ($job) = @_; 498 my ($job) = @_;
308 499
309 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
501 my $time = EV::time;
502
310 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
312 505
313 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 507
315 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
316 509
317 my $busy = 1; 510 my $busy = 1;
318 my @res; 511 my @res;
319 512
320 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 515 @res = eval { $job->() };
322 warn $@ if $@; 516 warn $@ if $@;
323 undef $busy; 517 undef $busy;
324 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
325 519
326 while ($busy) { 520 while ($busy) {
327 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
328 } 525 }
526 }
527
528 my $time = EV::time - $time;
529
530 $TICK_START += $time; # do not account sync jobs to server load
329 531
330 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
331 } else { 533 } else {
332 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
333 535
… …
353 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
354 556
355 $coro 557 $coro
356} 558}
357 559
358sub write_runtime { 560=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 561
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 562Executes the given code block with the given arguments in a seperate
362 or return; 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.
363 566
364 my $value = $cf::RUNTIME + 90 + 10; 567=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 568
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 569sub fork_call(&@) {
369 and return; 570 my ($cb, @args) = @_;
370 571
371 # always fsync - this file is important 572 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 573 # otherwise perl prematurely frees the stuff :/
373 and return; 574 # TODO: investigate and fix (likely this will be rather laborious)
374 575
375 close $fh 576 my @res = Coro::Util::fork_eval {
376 or return; 577 reset_signals;
578 &$cb
579 }, @args;
377 580
378 aio_rename "$runtime~", $runtime 581 wantarray ? @res : $res[-1]
379 and return; 582}
380 583
584=item $coin = coin_from_name $name
585
586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
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($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
381 1 660 }
661}
662
663sub db_put($$$) {
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 });
382} 747}
383 748
384=back 749=back
385 750
386=cut 751=cut
387 752
388############################################################################# 753#############################################################################
389 754
390=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
391 756
392Many 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
393attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
395 760
396In 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>
397C<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
398crossfire+). 763Deliantra).
399 764
400=over 4 765=over 4
401 766
402=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
403 768
… …
447=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
448 813
449Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
450given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
451 816
452Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
453that 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.
454 819
455These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
456 821
457=over 4 822=over 4
… …
566 $registry = $CB_TYPE[$object_type] ||= []; 931 $registry = $CB_TYPE[$object_type] ||= [];
567 932
568 } elsif ($type eq "subtype") { 933 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 934 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 935 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 936 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 937
573 } elsif ($type eq "package") { 938 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 939 my $pkg = shift @arg;
575 940
576 while (my ($name, $id) = each %cb_id) { 941 while (my ($name, $id) = each %cb_id) {
… …
605 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
606 } 971 }
607 972
608 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
609 } else { 974 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 976 }
612 977
613 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
614} 979}
615 980
… …
617 if (ref $_[0]) { 982 if (ref $_[0]) {
618 _object_attach @_; 983 _object_attach @_;
619 } else { 984 } else {
620 _attach shift->_attach_registry, @_; 985 _attach shift->_attach_registry, @_;
621 } 986 }
987 _recalc_want;
622}; 988};
623 989
624# all those should be optimised 990# all those should be optimised
625sub cf::attachable::detach { 991sub cf::attachable::detach {
626 my ($obj, $name) = @_; 992 my ($obj, $name) = @_;
… …
629 delete $obj->{_attachment}{$name}; 995 delete $obj->{_attachment}{$name};
630 reattach ($obj); 996 reattach ($obj);
631 } else { 997 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 998 Carp::croak "cannot, currently, detach class attachments";
633 } 999 }
1000 _recalc_want;
634}; 1001};
635 1002
636sub cf::attachable::attached { 1003sub cf::attachable::attached {
637 my ($obj, $name) = @_; 1004 my ($obj, $name) = @_;
638 1005
… …
653 "; 1020 ";
654 die if $@; 1021 die if $@;
655} 1022}
656 1023
657our $override; 1024our $override;
658our @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?
659 1026
660sub override { 1027sub override {
661 $override = 1; 1028 $override = 1;
662 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
663} 1030}
664 1031
665sub do_invoke { 1032sub do_invoke {
666 my $event = shift; 1033 my $event = shift;
667 my $callbacks = shift; 1034 my $callbacks = shift;
668 1035
669 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
670 1037
671 local $override; 1038 local $override;
672 1039
673 for (@$callbacks) { 1040 for (@$callbacks) {
674 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
683 } 1050 }
684 1051
685 0 1052 0
686} 1053}
687 1054
688=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689 1056
690=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691 1058
692Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
693 1060
694This 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
695removed 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
696results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 1064
698=back 1065=back
699 1066
700=cut 1067=cut
701 1068
702############################################################################# 1069#############################################################################
703# 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, $ob2
1112}
704 1113
705sub reattach { 1114sub reattach {
706 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 1116 my ($obj) = @_;
708 1117
1118 # no longer needed after getting rid of delete_package?
709 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
710 1120
711 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
712 1122
713 @$registry = (); 1123 @$registry = ();
714 1124
… …
729cf::attachable->attach ( 1139cf::attachable->attach (
730 prio => -1000000, 1140 prio => -1000000,
731 on_instantiate => sub { 1141 on_instantiate => sub {
732 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
733 1143
734 $data = from_json $data; 1144 $data = decode_json $data;
735 1145
736 for (@$data) { 1146 for (@$data) {
737 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
738 1148
739 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
755sub object_freezer_save { 1165sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
757 1167
758 sync_job { 1168 sync_job {
759 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
762 1173
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 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 }
767 close $fh; 1181 aio_close $fh;
768 1182
769 if (@$objs) { 1183 if (@$objs) {
770 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) {
771 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
772 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
774 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 }
775 close $fh; 1192 aio_close $fh;
776 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
777 } 1194 }
778 } else { 1195 } else {
779 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
780 } 1197 }
781 1198
782 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
783 } else { 1203 } else {
784 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
785 } 1205 }
786 } else { 1206 } else {
787 aio_unlink $filename; 1207 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
789 } 1209 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1210 };
797} 1211}
798 1212
799sub object_freezer_as_string { 1213sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
801 1215
… …
806 1220
807sub object_thawer_load { 1221sub object_thawer_load {
808 my ($filename) = @_; 1222 my ($filename) = @_;
809 1223
810 my ($data, $av); 1224 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1225
815 (aio_load $filename, $data) >= 0 1226 (aio_load $filename, $data) >= 0
816 or return; 1227 or return;
817 1228
818 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
820 or return; 1231 or return;
1232
821 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
822 } 1235 }
823 1236
1237 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
826 return ($data, $av); 1241 ($data, $av)
827} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
828 1249
829############################################################################# 1250#############################################################################
830# command handling &c 1251# command handling &c
831 1252
832=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1267}
847 1268
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1270
850Register 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.
851 1276
852If 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
853called. 1278called.
854 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
855=cut 1291=cut
856 1292
857sub register_extcmd { 1293sub register_extcmd {
858 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
859 1295
860 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
861} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
862 1306
863cf::player->attach ( 1307cf::player->attach (
864 on_command => sub { 1308 on_command => sub {
865 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
866 1310
… …
874 cf::override; 1318 cf::override;
875 }, 1319 },
876 on_extcmd => sub { 1320 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
878 1322
879 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1324
881 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
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
887 } else { 1340 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1342 }
890 1343
891 cf::override; 1344 cf::override;
892 }, 1345 },
893); 1346);
894 1347
1348# "readahead" all extensions
895sub load_extension { 1349sub cache_extensions {
896 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
897 1351
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
900 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 } 1355 }
923 die $@;
924 } 1356 };
925 1357
926 push @EXTS, $pkg; 1358 $grp
927} 1359}
928 1360
929sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
930 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1366 next unless -r $path;
932 eval { 1367
933 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 $progress = 1;
934 1 1424 }
935 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
936 } 1430 };
937} 1431}
938 1432
939############################################################################# 1433#############################################################################
940 1434
1435=back
1436
941=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
942 1438
943Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
944 1440
945=cut 1441=cut
946 1442
947package cf::player; 1443package cf::player;
948 1444
… …
950 1446
951=head3 cf::player 1447=head3 cf::player
952 1448
953=over 4 1449=over 4
954 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
955=item cf::player::find $login 1465=item cf::player::find $login
956 1466
957Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
958 1468
959=cut 1469=cut
960 1470
961sub playerdir($) { 1471sub playerdir($) {
962 cf::localdir 1472 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1473 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1474}
968 1475
969sub path($) { 1476sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1477 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1478
972 (playerdir $login) . "/$login.pl" 1479 (playerdir $login) . "/playerdata"
973} 1480}
974 1481
975sub find_active($) { 1482sub find_active($) {
976 $cf::PLAYER{$_[0]} 1483 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1484 and $cf::PLAYER{$_[0]}->active
… …
980 1487
981sub exists($) { 1488sub exists($) {
982 my ($login) = @_; 1489 my ($login) = @_;
983 1490
984 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
985 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
986} 1493}
987 1494
988sub find($) { 1495sub find($) {
989 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
990 my $login = $_[0]; 1497 my $login = $_[0];
991 1498
992 my $guard = cf::lock_acquire "user_find:$login"; 1499 my $guard = cf::lock_acquire "user_find:$login";
993 1500
994 $cf::PLAYER{$_[0]} || do { 1501 $cf::PLAYER{$_[0]} || do {
995 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
996 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;
997 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
998 } 1518 }
999 } 1519 }
1000} 1520}
1001 1521
… …
1010 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1011 1531
1012 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1014 1534
1535 cf::get_slot 0.01;
1536
1015 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1016 Coro::cede; 1538 cf::cede_to_tick;
1017} 1539}
1018 1540
1019sub new($) { 1541sub new($) {
1020 my ($login) = @_; 1542 my ($login) = @_;
1021 1543
… …
1027 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1028 1550
1029 $self 1551 $self
1030} 1552}
1031 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
1032=item $pl->quit_character 1564=item $pl->quit_character
1033 1565
1034Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1036 1568
1037=cut 1569=cut
1038 1570
1039sub quit_character { 1571sub quit_character {
1040 my ($pl) = @_; 1572 my ($pl) = @_;
1041 1573
1574 my $name = $pl->ob->name;
1575
1042 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1043 $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
1044 1578
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1047 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1048 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1049 1585
1050 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1588 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1589 delete $cf::PLAYER{$pl->ob->name};
1054 $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
1055 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;
1056} 1612}
1057 1613
1058=item cf::player::list_logins 1614=item cf::player::list_logins
1059 1615
1060Returns 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
1061while and may block, so not sync_job-capable, ever. 1617while and may block, so not sync_job-capable, ever.
1062 1618
1063=cut 1619=cut
1064 1620
1065sub list_logins { 1621sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1622 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1623 or return [];
1068 1624
1069 my @logins; 1625 my @logins;
1070 1626
1071 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") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1075 1637
1076 utf8::decode $login; 1638 utf8::decode $login;
1077 push @logins, $login; 1639 push @logins, $login;
1078 } 1640 }
1079 1641
… …
1106 } 1668 }
1107 1669
1108 \@paths 1670 \@paths
1109} 1671}
1110 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1112 1678
1113Sends an ext reply to the player. 1679Sends an ext reply to the player.
1114 1680
1115=cut 1681=cut
1116 1682
1117sub ext_reply($$$%) { 1683sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1119 1685
1120 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1687}
1124 1688
1125package 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}
1126 1729
1127=back 1730=back
1128
1129 1731
1130=head3 cf::map 1732=head3 cf::map
1131 1733
1132=over 4 1734=over 4
1133 1735
… …
1145our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1146our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1147 1749
1148sub generate_random_map { 1750sub generate_random_map {
1149 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
1150 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1151 $self->_create_random_map ( 1756 $self->_create_random_map (
1152 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1188 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1189 1794
1190 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1191 local $self->{path}; 1796 local $self->{path};
1192 local $self->{load_path}; 1797 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1798
1196 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1197} 1800}
1198 1801
1199sub normalise { 1802sub normalise {
… …
1246 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1247 return $self; 1850 return $self;
1248 } 1851 }
1249 } 1852 }
1250 1853
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1855 ()
1253} 1856}
1254 1857
1255sub init { 1858sub init {
1256 my ($self) = @_; 1859 my ($self) = @_;
… …
1271 1874
1272# the original (read-only) location 1875# the original (read-only) location
1273sub load_path { 1876sub load_path {
1274 my ($self) = @_; 1877 my ($self) = @_;
1275 1878
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1879 "$MAPDIR/$self->{path}.map"
1277} 1880}
1278 1881
1279# the temporary/swap location 1882# the temporary/swap location
1280sub save_path { 1883sub save_path {
1281 my ($self) = @_; 1884 my ($self) = @_;
1282 1885
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1887 "$TMPDIR/$path.map"
1285} 1888}
1286 1889
1287# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1288sub uniq_path { 1891sub uniq_path {
1289 my ($self) = @_; 1892 my ($self) = @_;
1290 1893
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1895 "$UNIQUEDIR/$path"
1293} 1896}
1294 1897
1295# and all this just because we cannot iterate over 1898sub decay_objects {
1296# all maps in C++...
1297sub change_all_map_light {
1298 my ($change) = @_; 1899 my ($self) = @_;
1299 1900
1300 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1301 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1302} 1904}
1303 1905
1304sub unlink_save { 1906sub unlink_save {
1305 my ($self) = @_; 1907 my ($self) = @_;
1306 1908
1307 utf8::encode (my $save = $self->save_path); 1909 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1910 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1911 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1912}
1316 1913
1317sub load_header_from($) { 1914sub load_header_from($) {
1318 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1319 1916
1320 utf8::encode $path; 1917 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 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;
1326 1926
1327 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1328 1928
1329 1 1929 1
1330} 1930}
… …
1369 $self->load_header_orig 1969 $self->load_header_orig
1370 or return; 1970 or return;
1371 $self->prepare_orig; 1971 $self->prepare_orig;
1372 } 1972 }
1373 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
1374 1 1980 1
1375} 1981}
1376 1982
1377sub find; 1983sub find;
1378sub find { 1984sub find {
1379 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1380 1986
1381 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1382 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1384 1991
1385 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1386 my $guard = cf::lock_acquire "map_find:$path";
1387 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1388 or return; 1994 or return;
1389 1995
1390 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1391 1997
1392 $map->load_header 1998 $map->load_header
1393 or return; 1999 or return;
1394 2000
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1398 $map->reset; 2006 $map->reset;
1399 undef $guard;
1400 return find $path; 2007 return find $path;
1401 } 2008 }
1402 2009
1403 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1404 } 2011 }
… …
1411 my ($self) = @_; 2018 my ($self) = @_;
1412 2019
1413 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1414 2021
1415 my $path = $self->{path}; 2022 my $path = $self->{path};
2023
2024 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1417 2026
2027 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 2029
1420 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1421 2031
1422 $self->alloc; 2032 $self->alloc;
1423 2033
1424 $self->pre_load; 2034 $self->pre_load;
2035 cf::cede_to_tick;
1425 2036
1426 $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)
1427 or return; 2040 or return;
1428 2041
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1430 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1431 2044
1432 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 2046 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 2049 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1437 } 2053 }
1438 } 2054 }
1439 2055
1440 Coro::cede; 2056 $f->resolve_delayed_derefs;
1441 2057
2058 cf::cede_to_tick;
1442 # now do the right thing for maps 2059 # now do the right thing for maps
1443 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede;
1450 $self->set_darkness_map;
1451 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 2062 unless $self->difficulty;
1453 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;
1454 $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);
1455 } 2077 }
1456 2078
1457 $self->post_load; 2079 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 2080}
1461 2081
1462sub customise_for { 2082sub customise_for {
1463 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1464 2084
1465 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 2086 if $self->per_player;
1467 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1468 $self 2091 $self
1469} 2092}
1470 2093
1471# 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
1472sub load_diag { 2095sub load_neighbours {
1473 my ($map) = @_; 2096 my ($map) = @_;
1474 2097
1475 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1476 2099
1477 for (0 .. 3) { 2100 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1479 or next; 2102 or next;
1480 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1481 or next; 2104 or next;
1482 $neigh->load; 2105 $neigh->load;
1483 2106
2107 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2110 }
1487 2111
1488 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1490 or next; 2115 or next;
1491 $neigh->load; 2116 $neigh->load;
1492 } 2117 }
1493} 2118}
1494 2119
… …
1499} 2124}
1500 2125
1501sub do_load_sync { 2126sub do_load_sync {
1502 my ($map) = @_; 2127 my ($map) = @_;
1503 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1504 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1505} 2133}
1506 2134
1507our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1509 2137
1510sub find_async { 2138sub find_async {
1511 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1512 2140
1513 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1514 2142
1515 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517 } 2145 }
1518 2146
1519 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1520 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1521 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2154 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2155 $map->load if $v;
2156 }
1526 2157
1527 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1528 } 2159 }
1529 } 2160 }
1530 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1531 }; 2162 };
1532 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1535} 2166}
1536 2167
1537sub save { 2168sub save {
1538 my ($self) = @_; 2169 my ($self) = @_;
1539 2170
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2172
1542 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1543 2174
1544 return unless $self->dirty; 2175 return unless $self->dirty;
1545 2176
… …
1551 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1552 2183
1553 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1554 2185
1555 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1556 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1557 }; 2189 };
2190
2191 cf::get_slot 0.02;
1558 2192
1559 if ($uniq) { 2193 if ($uniq) {
1560 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1562 } else { 2196 } else {
… …
1568 my ($self) = @_; 2202 my ($self) = @_;
1569 2203
1570 # save first because save cedes 2204 # save first because save cedes
1571 $self->save; 2205 $self->save;
1572 2206
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2208
1575 return if $self->players; 2209 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1577 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1578 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2217 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2218}
1582 2219
1583sub reset_at { 2220sub reset_at {
1584 my ($self) = @_; 2221 my ($self) = @_;
1585 2222
1586 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1589 2225
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 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;
1592 2228
… …
1603 my ($self) = @_; 2239 my ($self) = @_;
1604 2240
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2242
1607 return if $self->players; 2243 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2244
1610 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
1611 2246
1612 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1613 2248
1614 # need to save uniques path 2249 # need to save uniques path
1615 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1619 if $uniq; 2254 if $uniq;
1620 } 2255 }
1621 2256
1622 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1623 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2261 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2262
1628 $self->unlink_save; 2263 $self->unlink_save;
1629 $self->destroy; 2264 $self->destroy;
1630} 2265}
1631 2266
1632my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1633 2268
1634sub nuke { 2269sub nuke {
1635 my ($self) = @_; 2270 my ($self) = @_;
1636 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1637 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1638 2276
1639 $self->unlink_save; 2277 $self->unlink_save;
1640 2278
1641 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2284
1647 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1648 2287
1649 $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 ]
1650} 2325}
1651 2326
1652=item cf::map::unique_maps 2327=item cf::map::unique_maps
1653 2328
1654Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2330instantiated unique items. May block.
1656 2331
1657=cut 2332=cut
1658 2333
1659sub unique_maps() { 2334sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2335 [
1661 or return; 2336 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2337 utf8::decode $_;
1667 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1668 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669 2340 ? ()
1670 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2343 ]
1672
1673 \@paths
1674} 2344}
1675 2345
1676package 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 excluding F</styles> and F</editor>). May
2350block.
2351
2352=cut
2353
2354sub static_maps() {
2355 my @dirs = "";
2356 my @maps;
2357
2358 while (@dirs) {
2359 my $dir = shift @dirs;
2360
2361 next if $dir eq "/styles" || $dir eq "/editor";
2362
2363 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2364 or return;
2365
2366 for (@$files) {
2367 s/\.map$// or next;
2368 utf8::decode $_;
2369 push @maps, "$dir/$_";
2370 }
2371
2372 push @dirs, map "$dir/$_", @$dirs;
2373 }
2374
2375 \@maps
2376}
1677 2377
1678=back 2378=back
1679 2379
1680=head3 cf::object 2380=head3 cf::object
1681 2381
… …
1685 2385
1686=over 4 2386=over 4
1687 2387
1688=item $ob->inv_recursive 2388=item $ob->inv_recursive
1689 2389
1690Returns the inventory of the object _and_ their inventories, recursively. 2390Returns the inventory of the object I<and> their inventories, recursively,
2391but I<not> the object itself.
1691 2392
1692=cut 2393=cut
1693 2394
1694sub inv_recursive_; 2395sub inv_recursive_;
1695sub inv_recursive_ { 2396sub inv_recursive_ {
… …
1698 2399
1699sub inv_recursive { 2400sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2401 inv_recursive_ inv $_[0]
1701} 2402}
1702 2403
2404=item $ref = $ob->ref
2405
2406Creates and returns a persistent reference to an object that can be stored as a string.
2407
2408=item $ob = cf::object::deref ($refstring)
2409
2410returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2411even if the object actually exists. May block.
2412
2413=cut
2414
2415sub deref {
2416 my ($ref) = @_;
2417
2418 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2419 my ($uuid, $name) = ($1, $2);
2420 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2421 or return;
2422 $pl->ob->uuid eq $uuid
2423 or return;
2424
2425 $pl->ob
2426 } else {
2427 warn "$ref: cannot resolve object reference\n";
2428 undef
2429 }
2430}
2431
1703package cf; 2432package cf;
1704 2433
1705=back 2434=back
1706 2435
1707=head3 cf::object::player 2436=head3 cf::object::player
… …
1713Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2442Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714can be C<undef>. Does the right thing when the player is currently in a 2443can be C<undef>. Does the right thing when the player is currently in a
1715dialogue with the given NPC character. 2444dialogue with the given NPC character.
1716 2445
1717=cut 2446=cut
2447
2448our $SAY_CHANNEL = {
2449 id => "say",
2450 title => "Map",
2451 reply => "say ",
2452 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2453};
2454
2455our $CHAT_CHANNEL = {
2456 id => "chat",
2457 title => "Chat",
2458 reply => "chat ",
2459 tooltip => "Player chat and shouts, global to the server.",
2460};
1718 2461
1719# rough implementation of a future "reply" method that works 2462# rough implementation of a future "reply" method that works
1720# with dialog boxes. 2463# with dialog boxes.
1721#TODO: the first argument must go, split into a $npc->reply_to ( method 2464#TODO: the first argument must go, split into a $npc->reply_to ( method
1722sub cf::object::player::reply($$$;$) { 2465sub cf::object::player::reply($$$;$) {
… …
1724 2467
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2468 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2469
1727 if ($self->{record_replies}) { 2470 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2471 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2472
1729 } else { 2473 } else {
2474 my $pl = $self->contr;
2475
2476 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2477 my $dialog = $pl->{npc_dialog};
2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479
2480 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2482 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483 }
1732 } 2484 }
2485}
2486
2487=item $object->send_msg ($channel, $msg, $color, [extra...])
2488
2489=cut
2490
2491sub cf::object::send_msg {
2492 my $pl = shift->contr
2493 or return;
2494 $pl->send_msg (@_);
1733} 2495}
1734 2496
1735=item $player_object->may ("access") 2497=item $player_object->may ("access")
1736 2498
1737Returns wether the given player is authorized to access resource "access" 2499Returns wether the given player is authorized to access resource "access"
… …
1750 2512
1751=item $player_object->enter_link 2513=item $player_object->enter_link
1752 2514
1753Freezes the player and moves him/her to a special map (C<{link}>). 2515Freezes the player and moves him/her to a special map (C<{link}>).
1754 2516
1755The player should be reasonably safe there for short amounts of time. You 2517The player should be reasonably safe there for short amounts of time (e.g.
1756I<MUST> call C<leave_link> as soon as possible, though. 2518for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2519though, as the palyer cannot control the character while it is on the link
2520map.
1757 2521
1758Will never block. 2522Will never block.
1759 2523
1760=item $player_object->leave_link ($map, $x, $y) 2524=item $player_object->leave_link ($map, $x, $y)
1761 2525
… …
1784 $self->deactivate_recursive; 2548 $self->deactivate_recursive;
1785 2549
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2550 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2551
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2552 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2553 if $self->map && $self->map->{path} ne "{link}";
1790 2554
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2555 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2556}
1793 2557
1794sub cf::object::player::leave_link { 2558sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2559 my ($self, $map, $x, $y) = @_;
2560
2561 return unless $self->contr->active;
1796 2562
1797 my $link_pos = delete $self->{_link_pos}; 2563 my $link_pos = delete $self->{_link_pos};
1798 2564
1799 unless ($map) { 2565 unless ($map) {
1800 # restore original map position 2566 # restore original map position
… …
1811 ($x, $y) = (-1, -1) 2577 ($x, $y) = (-1, -1)
1812 unless (defined $x) && (defined $y); 2578 unless (defined $x) && (defined $y);
1813 2579
1814 # use -1 or undef as default coordinates, not 0, 0 2580 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2581 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2582 if $x <= 0 && $y <= 0;
1817 2583
1818 $map->load; 2584 $map->load;
1819 $map->load_diag; 2585 $map->load_neighbours;
1820 2586
1821 return unless $self->contr->active; 2587 return unless $self->contr->active;
2588
2589 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2590 $self->enter_map ($map, $x, $y);
2591
2592 # only activate afterwards, to support waiting in hooks
1822 $self->activate_recursive; 2593 $self->activate_recursive;
1823 $self->enter_map ($map, $x, $y);
1824} 2594}
1825 2595
1826cf::player->attach ( 2596=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827 on_logout => sub {
1828 my ($pl) = @_;
1829 2597
1830 # abort map switching before logout 2598Moves the player to the given map-path and coordinates by first freezing
1831 if ($pl->ob->{_link_pos}) { 2599her, loading and preparing them map, calling the provided $check callback
1832 cf::sync_job { 2600that has to return the map if sucecssful, and then unfreezes the player on
1833 $pl->ob->leave_link 2601the new (success) or old (failed) map position. In either case, $done will
1834 }; 2602be called at the end of this process.
1835 }
1836 },
1837 on_login => sub {
1838 my ($pl) = @_;
1839 2603
1840 # try to abort aborted map switching on player login :) 2604Note that $check will be called with a potentially non-loaded map, so if
1841 # should happen only on crashes 2605it needs a loaded map it has to call C<< ->load >>.
1842 if ($pl->ob->{_link_pos}) {
1843 $pl->ob->enter_link;
1844 (async {
1845 # we need this sleep as the login has a concurrent enter_exit running
1846 # and this sleep increases chances of the player not ending up in scorn
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 Coro::Timer::sleep 1;
1852 $pl->ob->leave_link;
1853 })->prio (2);
1854 }
1855 },
1856);
1857 2606
1858=item $player_object->goto ($path, $x, $y)
1859
1860=cut 2607=cut
2608
2609our $GOTOGEN;
1861 2610
1862sub cf::object::player::goto { 2611sub cf::object::player::goto {
1863 my ($self, $path, $x, $y) = @_; 2612 my ($self, $path, $x, $y, $check, $done) = @_;
2613
2614 # do generation counting so two concurrent goto's will be executed in-order
2615 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864 2616
1865 $self->enter_link; 2617 $self->enter_link;
1866 2618
1867 (async { 2619 (async {
2620 $Coro::current->{desc} = "player::goto $path $x $y";
2621
2622 # *tag paths override both path and x|y
2623 if ($path =~ /^\*(.*)$/) {
2624 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2625 my $ob = $obs[rand @obs];
2626
2627 # see if we actually can go there
2628 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2629 $ob = $obs[rand @obs];
2630 } else {
2631 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2632 }
2633 # else put us there anyways for now #d#
2634
2635 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2636 } else {
2637 ($path, $x, $y) = (undef, undef, undef);
2638 }
2639 }
2640
1868 my $map = eval { 2641 my $map = eval {
1869 my $map = cf::map::find $path; 2642 my $map = defined $path ? cf::map::find $path : undef;
2643
2644 if ($map) {
1870 $map = $map->customise_for ($self) if $map; 2645 $map = $map->customise_for ($self);
2646 $map = $check->($map) if $check && $map;
2647 } else {
2648 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2649 }
2650
1871 $map 2651 $map
2652 };
2653
2654 if ($@) {
2655 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2656 LOG llevError | logBacktrace, Carp::longmess $@;
1872 } or 2657 }
1873 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874 2658
2659 if ($gen == $self->{_goto_generation}) {
2660 delete $self->{_goto_generation};
1875 $self->leave_link ($map, $x, $y); 2661 $self->leave_link ($map, $x, $y);
2662 }
2663
2664 $done->() if $done;
1876 })->prio (1); 2665 })->prio (1);
1877} 2666}
1878 2667
1879=item $player_object->enter_exit ($exit_object) 2668=item $player_object->enter_exit ($exit_object)
1880 2669
… …
1900} 2689}
1901 2690
1902sub prepare_random_map { 2691sub prepare_random_map {
1903 my ($exit) = @_; 2692 my ($exit) = @_;
1904 2693
1905 my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907 # all this does is basically replace the /! path by 2694 # all this does is basically replace the /! path by
1908 # a new random map path (?random/...) with a seed 2695 # a new random map path (?random/...) with a seed
1909 # that depends on the exit object 2696 # that depends on the exit object
1910 2697
1911 my $rmp = parse_random_map_params $exit->msg; 2698 my $rmp = parse_random_map_params $exit->msg;
… …
1913 if ($exit->map) { 2700 if ($exit->map) {
1914 $rmp->{region} = $exit->region->name; 2701 $rmp->{region} = $exit->region->name;
1915 $rmp->{origin_map} = $exit->map->path; 2702 $rmp->{origin_map} = $exit->map->path;
1916 $rmp->{origin_x} = $exit->x; 2703 $rmp->{origin_x} = $exit->x;
1917 $rmp->{origin_y} = $exit->y; 2704 $rmp->{origin_y} = $exit->y;
2705
2706 $exit->map->touch;
1918 } 2707 }
1919 2708
1920 $rmp->{random_seed} ||= $exit->random_seed; 2709 $rmp->{random_seed} ||= $exit->random_seed;
1921 2710
1922 my $data = cf::to_json $rmp; 2711 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923 my $md5 = Digest::MD5::md5_hex $data; 2712 my $md5 = Digest::MD5::md5_hex $data;
1924 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2713 my $meta = "$RANDOMDIR/$md5.meta";
1925 2714
1926 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2715 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927 aio_write $fh, 0, (length $data), $data, 0; 2716 aio_write $fh, 0, (length $data), $data, 0;
1928 undef $fh; 2717 undef $fh;
1929 aio_rename "$meta~", $meta; 2718 aio_rename "$meta~", $meta;
1930 2719
2720 my $slaying = "?random/$md5";
2721
2722 if ($exit->valid) {
1931 $exit->slaying ("?random/$md5"); 2723 $exit->slaying ("?random/$md5");
1932 $exit->msg (undef); 2724 $exit->msg (undef);
2725 }
1933 } 2726 }
1934} 2727}
1935 2728
1936sub cf::object::player::enter_exit { 2729sub cf::object::player::enter_exit {
1937 my ($self, $exit) = @_; 2730 my ($self, $exit) = @_;
1938 2731
1939 return unless $self->type == cf::PLAYER; 2732 return unless $self->type == cf::PLAYER;
1940 2733
1941 if ($exit->slaying eq "/!") {
1942 #TODO: this should de-fi-ni-te-ly not be a sync-job
1943 cf::sync_job { prepare_random_map $exit };
1944 }
1945
1946 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947 my $hp = $exit->stats->hp;
1948 my $sp = $exit->stats->sp;
1949
1950 $self->enter_link; 2734 $self->enter_link;
1951 2735
1952 (async { 2736 (async {
1953 $self->deactivate_recursive; # just to be sure 2737 $Coro::current->{desc} = "enter_exit";
2738
1954 unless (eval { 2739 unless (eval {
2740 $self->deactivate_recursive; # just to be sure
2741
2742 # random map handling
2743 {
2744 my $guard = cf::lock_acquire "exit_prepare:$exit";
2745
2746 prepare_random_map $exit
2747 if $exit->slaying eq "/!";
2748 }
2749
2750 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2751 my $x = $exit->stats->hp;
2752 my $y = $exit->stats->sp;
2753
1955 $self->goto ($slaying, $hp, $sp); 2754 $self->goto ($map, $x, $y);
1956 2755
2756 # if exit is damned, update players death & WoR home-position
2757 $self->contr->savebed ($map, $x, $y)
2758 if $exit->flag (cf::FLAG_DAMNED);
2759
1957 1; 2760 1
1958 }) { 2761 }) {
1959 $self->message ("Something went wrong deep within the crossfire server. " 2762 $self->message ("Something went wrong deep within the deliantra server. "
1960 . "I'll try to bring you back to the map you were before. " 2763 . "I'll try to bring you back to the map you were before. "
1961 . "Please report this to the dungeon master!", 2764 . "Please report this to the dungeon master!",
1962 cf::NDI_UNIQUE | cf::NDI_RED); 2765 cf::NDI_UNIQUE | cf::NDI_RED);
1963 2766
1964 warn "ERROR in enter_exit: $@"; 2767 warn "ERROR in enter_exit: $@";
1965 $self->leave_link; 2768 $self->leave_link;
1966 } 2769 }
1967 })->prio (1); 2770 })->prio (1);
… …
1980 2783
1981sub cf::client::send_drawinfo { 2784sub cf::client::send_drawinfo {
1982 my ($self, $text, $flags) = @_; 2785 my ($self, $text, $flags) = @_;
1983 2786
1984 utf8::encode $text; 2787 utf8::encode $text;
1985 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2788 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986} 2789}
1987 2790
2791=item $client->send_big_packet ($pkt)
2792
2793Like C<send_packet>, but tries to compress large packets, and fragments
2794them as required.
2795
2796=cut
2797
2798our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2799
2800sub cf::client::send_big_packet {
2801 my ($self, $pkt) = @_;
2802
2803 # try lzf for large packets
2804 $pkt = "lzf " . Compress::LZF::compress $pkt
2805 if 1024 <= length $pkt and $self->{can_lzf};
2806
2807 # split very large packets
2808 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2809 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2810 $pkt = "frag";
2811 }
2812
2813 $self->send_packet ($pkt);
2814}
2815
2816=item $client->send_msg ($channel, $msg, $color, [extra...])
2817
2818Send a drawinfo or msg packet to the client, formatting the msg for the
2819client if neccessary. C<$type> should be a string identifying the type of
2820the message, with C<log> being the default. If C<$color> is negative, suppress
2821the message unless the client supports the msg packet.
2822
2823=cut
2824
2825# non-persistent channels (usually the info channel)
2826our %CHANNEL = (
2827 "c/motd" => {
2828 id => "infobox",
2829 title => "MOTD",
2830 reply => undef,
2831 tooltip => "The message of the day",
2832 },
2833 "c/identify" => {
2834 id => "infobox",
2835 title => "Identify",
2836 reply => undef,
2837 tooltip => "Items recently identified",
2838 },
2839 "c/examine" => {
2840 id => "infobox",
2841 title => "Examine",
2842 reply => undef,
2843 tooltip => "Signs and other items you examined",
2844 },
2845 "c/shopinfo" => {
2846 id => "infobox",
2847 title => "Shop Info",
2848 reply => undef,
2849 tooltip => "What your bargaining skill tells you about the shop",
2850 },
2851 "c/book" => {
2852 id => "infobox",
2853 title => "Book",
2854 reply => undef,
2855 tooltip => "The contents of a note or book",
2856 },
2857 "c/lookat" => {
2858 id => "infobox",
2859 title => "Look",
2860 reply => undef,
2861 tooltip => "What you saw there",
2862 },
2863 "c/who" => {
2864 id => "infobox",
2865 title => "Players",
2866 reply => undef,
2867 tooltip => "Shows players who are currently online",
2868 },
2869 "c/body" => {
2870 id => "infobox",
2871 title => "Body Parts",
2872 reply => undef,
2873 tooltip => "Shows which body parts you posess and are available",
2874 },
2875 "c/statistics" => {
2876 id => "infobox",
2877 title => "Statistics",
2878 reply => undef,
2879 tooltip => "Shows your primary statistics",
2880 },
2881 "c/skills" => {
2882 id => "infobox",
2883 title => "Skills",
2884 reply => undef,
2885 tooltip => "Shows your experience per skill and item power",
2886 },
2887 "c/shopitems" => {
2888 id => "infobox",
2889 title => "Shop Items",
2890 reply => undef,
2891 tooltip => "Shows the items currently for sale in this shop",
2892 },
2893 "c/resistances" => {
2894 id => "infobox",
2895 title => "Resistances",
2896 reply => undef,
2897 tooltip => "Shows your resistances",
2898 },
2899 "c/pets" => {
2900 id => "infobox",
2901 title => "Pets",
2902 reply => undef,
2903 tooltip => "Shows information abotu your pets/a specific pet",
2904 },
2905 "c/perceiveself" => {
2906 id => "infobox",
2907 title => "Perceive Self",
2908 reply => undef,
2909 tooltip => "You gained detailed knowledge about yourself",
2910 },
2911 "c/uptime" => {
2912 id => "infobox",
2913 title => "Uptime",
2914 reply => undef,
2915 tooltip => "How long the server has been running since last restart",
2916 },
2917 "c/mapinfo" => {
2918 id => "infobox",
2919 title => "Map Info",
2920 reply => undef,
2921 tooltip => "Information related to the maps",
2922 },
2923 "c/party" => {
2924 id => "party",
2925 title => "Party",
2926 reply => "gsay ",
2927 tooltip => "Messages and chat related to your party",
2928 },
2929 "c/death" => {
2930 id => "death",
2931 title => "Death",
2932 reply => undef,
2933 tooltip => "Reason for and more info about your most recent death",
2934 },
2935 "c/say" => $SAY_CHANNEL,
2936 "c/chat" => $CHAT_CHANNEL,
2937);
2938
2939sub cf::client::send_msg {
2940 my ($self, $channel, $msg, $color, @extra) = @_;
2941
2942 $msg = $self->pl->expand_cfpod ($msg)
2943 unless $color & cf::NDI_VERBATIM;
2944
2945 $color &= cf::NDI_CLIENT_MASK; # just in case...
2946
2947 # check predefined channels, for the benefit of C
2948 if ($CHANNEL{$channel}) {
2949 $channel = $CHANNEL{$channel};
2950
2951 $self->ext_msg (channel_info => $channel);
2952 $channel = $channel->{id};
2953
2954 } elsif (ref $channel) {
2955 # send meta info to client, if not yet sent
2956 unless (exists $self->{channel}{$channel->{id}}) {
2957 $self->{channel}{$channel->{id}} = $channel;
2958 $self->ext_msg (channel_info => $channel);
2959 }
2960
2961 $channel = $channel->{id};
2962 }
2963
2964 return unless @extra || length $msg;
2965
2966 # default colour, mask it out
2967 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2968 if $color & cf::NDI_DEF;
2969
2970 my $pkt = "msg "
2971 . $self->{json_coder}->encode (
2972 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2973 );
2974
2975 $self->send_big_packet ($pkt);
2976}
2977
2978=item $client->ext_msg ($type, @msg)
2979
2980Sends an ext event to the client.
2981
2982=cut
2983
2984sub cf::client::ext_msg($$@) {
2985 my ($self, $type, @msg) = @_;
2986
2987 if ($self->extcmd == 2) {
2988 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2989 } elsif ($self->extcmd == 1) { # TODO: remove
2990 push @msg, msgtype => "event_$type";
2991 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2992 }
2993}
2994
2995=item $client->ext_reply ($msgid, @msg)
2996
2997Sends an ext reply to the client.
2998
2999=cut
3000
3001sub cf::client::ext_reply($$@) {
3002 my ($self, $id, @msg) = @_;
3003
3004 if ($self->extcmd == 2) {
3005 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3006 } elsif ($self->extcmd == 1) {
3007 #TODO: version 1, remove
3008 unshift @msg, msgtype => "reply", msgid => $id;
3009 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3010 }
3011}
1988 3012
1989=item $success = $client->query ($flags, "text", \&cb) 3013=item $success = $client->query ($flags, "text", \&cb)
1990 3014
1991Queues a query to the client, calling the given callback with 3015Queues a query to the client, calling the given callback with
1992the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3016the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3017C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994 3018
1995Queries can fail, so check the return code. Or don't, as queries will become 3019Queries can fail, so check the return code. Or don't, as queries will
1996reliable at some point in the future. 3020become reliable at some point in the future.
1997 3021
1998=cut 3022=cut
1999 3023
2000sub cf::client::query { 3024sub cf::client::query {
2001 my ($self, $flags, $text, $cb) = @_; 3025 my ($self, $flags, $text, $cb) = @_;
… …
2009 utf8::encode $text; 3033 utf8::encode $text;
2010 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3034 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011 3035
2012 $self->send_packet ($self->{query_queue}[0][0]) 3036 $self->send_packet ($self->{query_queue}[0][0])
2013 if @{ $self->{query_queue} } == 1; 3037 if @{ $self->{query_queue} } == 1;
3038
3039 1
2014} 3040}
2015 3041
2016cf::client->attach ( 3042cf::client->attach (
3043 on_connect => sub {
3044 my ($ns) = @_;
3045
3046 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3047 },
2017 on_reply => sub { 3048 on_reply => sub {
2018 my ($ns, $msg) = @_; 3049 my ($ns, $msg) = @_;
2019 3050
2020 # this weird shuffling is so that direct followup queries 3051 # this weird shuffling is so that direct followup queries
2021 # get handled first 3052 # get handled first
… …
2033 } else { 3064 } else {
2034 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3065 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035 } 3066 }
2036 } 3067 }
2037 }, 3068 },
3069 on_exticmd => sub {
3070 my ($ns, $buf) = @_;
3071
3072 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3073
3074 if (ref $msg) {
3075 my ($type, $reply, @payload) =
3076 "ARRAY" eq ref $msg
3077 ? @$msg
3078 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3079
3080 my @reply;
3081
3082 if (my $cb = $EXTICMD{$type}) {
3083 @reply = $cb->($ns, @payload);
3084 }
3085
3086 $ns->ext_reply ($reply, @reply)
3087 if $reply;
3088
3089 } else {
3090 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3091 }
3092
3093 cf::override;
3094 },
2038); 3095);
2039 3096
2040=item $client->async (\&cb) 3097=item $client->async (\&cb)
2041 3098
2042Create a new coroutine, running the specified callback. The coroutine will 3099Create a new coroutine, running the specified callback. The coroutine will
… …
2083our $safe = new Safe "safe"; 3140our $safe = new Safe "safe";
2084our $safe_hole = new Safe::Hole; 3141our $safe_hole = new Safe::Hole;
2085 3142
2086$SIG{FPE} = 'IGNORE'; 3143$SIG{FPE} = 'IGNORE';
2087 3144
2088$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3145$safe->permit_only (Opcode::opset qw(
3146 :base_core :base_mem :base_orig :base_math
3147 grepstart grepwhile mapstart mapwhile
3148 sort time
3149));
2089 3150
2090# here we export the classes and methods available to script code 3151# here we export the classes and methods available to script code
2091 3152
2092=pod 3153=pod
2093 3154
2094The following fucntions and emthods are available within a safe environment: 3155The following functions and methods are available within a safe environment:
2095 3156
2096 cf::object contr pay_amount pay_player map 3157 cf::object
3158 contr pay_amount pay_player map x y force_find force_add destroy
3159 insert remove name archname title slaying race decrease split
3160 value
3161
2097 cf::object::player player 3162 cf::object::player
2098 cf::player peaceful 3163 player
2099 cf::map trigger 3164
3165 cf::player
3166 peaceful
3167
3168 cf::map
3169 trigger
2100 3170
2101=cut 3171=cut
2102 3172
2103for ( 3173for (
2104 ["cf::object" => qw(contr pay_amount pay_player map)], 3174 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3175 insert remove inv nrof name archname title slaying race
3176 decrease split destroy change_exp value msg lore send_msg)],
2105 ["cf::object::player" => qw(player)], 3177 ["cf::object::player" => qw(player)],
2106 ["cf::player" => qw(peaceful)], 3178 ["cf::player" => qw(peaceful send_msg)],
2107 ["cf::map" => qw(trigger)], 3179 ["cf::map" => qw(trigger)],
2108) { 3180) {
2109 no strict 'refs'; 3181 no strict 'refs';
2110 my ($pkg, @funs) = @$_; 3182 my ($pkg, @funs) = @$_;
2111 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3183 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2128 my ($code, %vars) = @_; 3200 my ($code, %vars) = @_;
2129 3201
2130 my $qcode = $code; 3202 my $qcode = $code;
2131 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3203 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2132 $qcode =~ s/\n/\\n/g; 3204 $qcode =~ s/\n/\\n/g;
3205
3206 %vars = (_dummy => 0) unless %vars;
2133 3207
2134 local $_; 3208 local $_;
2135 local @safe::cf::_safe_eval_args = values %vars; 3209 local @safe::cf::_safe_eval_args = values %vars;
2136 3210
2137 my $eval = 3211 my $eval =
… …
2180=back 3254=back
2181 3255
2182=cut 3256=cut
2183 3257
2184############################################################################# 3258#############################################################################
2185
2186=head2 EXTENSION DATABASE SUPPORT
2187
2188Crossfire maintains a very simple database for extension use. It can
2189currently store anything that can be serialised using Storable, which
2190excludes objects.
2191
2192The parameter C<$family> should best start with the name of the extension
2193using it, it should be unique.
2194
2195=over 4
2196
2197=item $value = cf::db_get $family => $key
2198
2199Returns a single value from the database.
2200
2201=item cf::db_put $family => $key => $value
2202
2203Stores the given C<$value> in the family.
2204
2205=cut
2206
2207our $DB;
2208
2209sub db_init {
2210 unless ($DB) {
2211 $DB = BDB::db_create $DB_ENV;
2212
2213 cf::sync_job {
2214 eval {
2215 $DB->set_flags (BDB::CHKSUM);
2216
2217 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219 cf::cleanup "db_open(db): $!" if $!;
2220 };
2221 cf::cleanup "db_open(db): $@" if $@;
2222 };
2223
2224 my $path = cf::localdir . "/database.pst";
2225 if (stat $path) {
2226 cf::sync_job {
2227 my $pst = Storable::retrieve $path;
2228
2229 cf::db_put (board => data => $pst->{board});
2230 cf::db_put (guildrules => data => $pst->{guildrules});
2231 cf::db_put (rent => balance => $pst->{rent}{balance});
2232 BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234 unlink $path;
2235 };
2236 }
2237 }
2238}
2239
2240sub db_get($$) {
2241 my $key = "$_[0]/$_[1]";
2242
2243 cf::sync_job {
2244 BDB::db_get $DB, undef, $key, my $data;
2245
2246 $! ? ()
2247 : Compress::LZF::sthaw $data
2248 }
2249}
2250
2251sub db_put($$$) {
2252 BDB::dbreq_pri 4;
2253 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254}
2255
2256#############################################################################
2257# the server's init and main functions 3259# the server's init and main functions
2258 3260
3261sub load_facedata($) {
3262 my ($path) = @_;
3263
3264 # HACK to clear player env face cache, we need some signal framework
3265 # for this (global event?)
3266 %ext::player_env::MUSIC_FACE_CACHE = ();
3267
3268 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3269
3270 warn "loading facedata from $path\n";
3271
3272 my $facedata;
3273 0 < aio_load $path, $facedata
3274 or die "$path: $!";
3275
3276 $facedata = Coro::Storable::thaw $facedata;
3277
3278 $facedata->{version} == 2
3279 or cf::cleanup "$path: version mismatch, cannot proceed.";
3280
3281 # patch in the exptable
3282 $facedata->{resource}{"res/exp_table"} = {
3283 type => FT_RSRC,
3284 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3285 };
3286 cf::cede_to_tick;
3287
3288 {
3289 my $faces = $facedata->{faceinfo};
3290
3291 while (my ($face, $info) = each %$faces) {
3292 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3293
3294 cf::face::set_visibility $idx, $info->{visibility};
3295 cf::face::set_magicmap $idx, $info->{magicmap};
3296 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3297 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3298
3299 cf::cede_to_tick;
3300 }
3301
3302 while (my ($face, $info) = each %$faces) {
3303 next unless $info->{smooth};
3304
3305 my $idx = cf::face::find $face
3306 or next;
3307
3308 if (my $smooth = cf::face::find $info->{smooth}) {
3309 cf::face::set_smooth $idx, $smooth;
3310 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3311 } else {
3312 warn "smooth face '$info->{smooth}' not found for face '$face'";
3313 }
3314
3315 cf::cede_to_tick;
3316 }
3317 }
3318
3319 {
3320 my $anims = $facedata->{animinfo};
3321
3322 while (my ($anim, $info) = each %$anims) {
3323 cf::anim::set $anim, $info->{frames}, $info->{facings};
3324 cf::cede_to_tick;
3325 }
3326
3327 cf::anim::invalidate_all; # d'oh
3328 }
3329
3330 {
3331 my $res = $facedata->{resource};
3332
3333 while (my ($name, $info) = each %$res) {
3334 if (defined $info->{type}) {
3335 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3336
3337 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3338 cf::face::set_type $idx, $info->{type};
3339 } else {
3340 $RESOURCE{$name} = $info;
3341 }
3342
3343 cf::cede_to_tick;
3344 }
3345 }
3346
3347 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3348
3349 1
3350}
3351
3352cf::global->attach (on_resource_update => sub {
3353 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3354 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3355
3356 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3357 my $sound = $soundconf->{compat}[$_]
3358 or next;
3359
3360 my $face = cf::face::find "sound/$sound->[1]";
3361 cf::sound::set $sound->[0] => $face;
3362 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3363 }
3364
3365 while (my ($k, $v) = each %{$soundconf->{event}}) {
3366 my $face = cf::face::find "sound/$v";
3367 cf::sound::set $k => $face;
3368 }
3369 }
3370});
3371
3372register_exticmd fx_want => sub {
3373 my ($ns, $want) = @_;
3374
3375 while (my ($k, $v) = each %$want) {
3376 $ns->fx_want ($k, $v);
3377 }
3378};
3379
2259sub load_resources { 3380sub load_resource_file($) {
2260 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3381 my $guard = lock_acquire "load_resource_file";
3382
3383 my $status = load_resource_file_ $_[0];
3384 get_slot 0.1, 100;
3385 cf::arch::commit_load;
3386
3387 $status
3388}
3389
3390sub reload_regions {
3391 # HACK to clear player env face cache, we need some signal framework
3392 # for this (global event?)
3393 %ext::player_env::MUSIC_FACE_CACHE = ();
3394
3395 load_resource_file "$MAPDIR/regions"
2261 or die "unable to load regions file\n";#d# 3396 or die "unable to load regions file\n";
2262}
2263 3397
2264sub cfg_load { 3398 for (cf::region::list) {
3399 $_->{match} = qr/$_->{match}/
3400 if exists $_->{match};
3401 }
3402}
3403
3404sub reload_facedata {
3405 load_facedata "$DATADIR/facedata"
3406 or die "unable to load facedata\n";
3407}
3408
3409sub reload_archetypes {
3410 load_resource_file "$DATADIR/archetypes"
3411 or die "unable to load archetypes\n";
3412}
3413
3414sub reload_treasures {
3415 load_resource_file "$DATADIR/treasures"
3416 or die "unable to load treasurelists\n";
3417}
3418
3419sub reload_resources {
3420 warn "reloading resource files...\n";
3421
3422 reload_facedata;
3423 reload_archetypes;
3424 reload_regions;
3425 reload_treasures;
3426
3427 warn "finished reloading resource files\n";
3428}
3429
3430sub reload_config {
3431 warn "reloading config file...\n";
3432
2265 open my $fh, "<:utf8", cf::confdir . "/config" 3433 open my $fh, "<:utf8", "$CONFDIR/config"
2266 or return; 3434 or return;
2267 3435
2268 local $/; 3436 local $/;
2269 *CFG = YAML::Syck::Load <$fh>; 3437 *CFG = YAML::XS::Load scalar <$fh>;
2270 3438
2271 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3439 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2272 3440
2273 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3441 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2274 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3442 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2278 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3446 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2279 and die "WARNING: m(un)lockall failed: $!\n"; 3447 and die "WARNING: m(un)lockall failed: $!\n";
2280 }; 3448 };
2281 warn $@ if $@; 3449 warn $@ if $@;
2282 } 3450 }
2283}
2284 3451
2285sub init { 3452 warn "finished reloading resource files\n";
2286 load_resources; 3453}
3454
3455sub pidfile() {
3456 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3457 or die "$PIDFILE: $!";
3458 flock $fh, &Fcntl::LOCK_EX
3459 or die "$PIDFILE: flock: $!";
3460 $fh
3461}
3462
3463# make sure only one server instance is running at any one time
3464sub atomic {
3465 my $fh = pidfile;
3466
3467 my $pid = <$fh>;
3468 kill 9, $pid if $pid > 0;
3469
3470 seek $fh, 0, 0;
3471 print $fh $$;
3472}
3473
3474sub main_loop {
3475 warn "EV::loop starting\n";
3476 if (1) {
3477 EV::loop;
3478 }
3479 warn "EV::loop returned\n";
3480 goto &main_loop unless $REALLY_UNLOOP;
2287} 3481}
2288 3482
2289sub main { 3483sub main {
3484 cf::init_globals; # initialise logging
3485
3486 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3487 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3488 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3489 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3490
3491 cf::init_experience;
3492 cf::init_anim;
3493 cf::init_attackmess;
3494 cf::init_dynamic;
3495
3496 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3497
2290 # we must not ever block the main coroutine 3498 # we must not ever block the main coroutine
2291 local $Coro::idle = sub { 3499 local $Coro::idle = sub {
2292 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3500 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293 (async { 3501 (async {
2294 Event::one_event; 3502 $Coro::current->{desc} = "IDLE BUG HANDLER";
3503 EV::loop EV::LOOP_ONESHOT;
2295 })->prio (Coro::PRIO_MAX); 3504 })->prio (Coro::PRIO_MAX);
2296 }; 3505 };
2297 3506
2298 cfg_load; 3507 evthread_start IO::AIO::poll_fileno;
3508
3509 cf::sync_job {
3510 cf::load_settings;
3511 cf::load_materials;
3512
3513 reload_resources;
3514 reload_config;
2299 db_init; 3515 db_init;
3516
3517 cf::init_uuid;
3518 cf::init_signals;
3519 cf::init_commands;
3520 cf::init_skills;
3521
3522 cf::init_beforeplay;
3523
3524 atomic;
3525
2300 load_extensions; 3526 load_extensions;
2301 3527
2302 $TICK_WATCHER->start; 3528 utime time, time, $RUNTIMEFILE;
2303 Event::loop; 3529
3530 # no (long-running) fork's whatsoever before this point(!)
3531 use POSIX ();
3532 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3533
3534 (pop @POST_INIT)->(0) while @POST_INIT;
3535 };
3536
3537 main_loop;
2304} 3538}
2305 3539
2306############################################################################# 3540#############################################################################
2307# initialisation and cleanup 3541# initialisation and cleanup
2308 3542
2309# install some emergency cleanup handlers 3543# install some emergency cleanup handlers
2310BEGIN { 3544BEGIN {
3545 our %SIGWATCHER = ();
2311 for my $signal (qw(INT HUP TERM)) { 3546 for my $signal (qw(INT HUP TERM)) {
2312 Event->signal ( 3547 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2313 reentrant => 0,
2314 data => WF_AUTOCANCEL,
2315 signal => $signal,
2316 prio => 0,
2317 cb => sub {
2318 cf::cleanup "SIG$signal"; 3548 cf::cleanup "SIG$signal";
2319 },
2320 ); 3549 };
3550 }
3551}
3552
3553sub write_runtime_sync {
3554 # first touch the runtime file to show we are still running:
3555 # the fsync below can take a very very long time.
3556
3557 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3558
3559 my $guard = cf::lock_acquire "write_runtime";
3560
3561 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3562 or return;
3563
3564 my $value = $cf::RUNTIME + 90 + 10;
3565 # 10 is the runtime save interval, for a monotonic clock
3566 # 60 allows for the watchdog to kill the server.
3567
3568 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3569 and return;
3570
3571 # always fsync - this file is important
3572 aio_fsync $fh
3573 and return;
3574
3575 # touch it again to show we are up-to-date
3576 aio_utime $fh, undef, undef;
3577
3578 close $fh
3579 or return;
3580
3581 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3582 and return;
3583
3584 warn "runtime file written.\n";
3585
2321 } 3586 1
3587}
3588
3589our $uuid_lock;
3590our $uuid_skip;
3591
3592sub write_uuid_sync($) {
3593 $uuid_skip ||= $_[0];
3594
3595 return if $uuid_lock;
3596 local $uuid_lock = 1;
3597
3598 my $uuid = "$LOCALDIR/uuid";
3599
3600 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3601 or return;
3602
3603 my $value = uuid_seq uuid_cur;
3604
3605 unless ($value) {
3606 warn "cowardly refusing to write zero uuid value!\n";
3607 return;
3608 }
3609
3610 my $value = uuid_str $value + $uuid_skip;
3611 $uuid_skip = 0;
3612
3613 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3614 and return;
3615
3616 # always fsync - this file is important
3617 aio_fsync $fh
3618 and return;
3619
3620 close $fh
3621 or return;
3622
3623 aio_rename "$uuid~", $uuid
3624 and return;
3625
3626 warn "uuid file written ($value).\n";
3627
3628 1
3629
3630}
3631
3632sub write_uuid($$) {
3633 my ($skip, $sync) = @_;
3634
3635 $sync ? write_uuid_sync $skip
3636 : async { write_uuid_sync $skip };
2322} 3637}
2323 3638
2324sub emergency_save() { 3639sub emergency_save() {
2325 my $freeze_guard = cf::freeze_mainloop; 3640 my $freeze_guard = cf::freeze_mainloop;
2326 3641
2327 warn "enter emergency perl save\n"; 3642 warn "emergency_perl_save: enter\n";
2328 3643
2329 cf::sync_job { 3644 cf::sync_job {
3645 # this is a trade-off: we want to be very quick here, so
3646 # save all maps without fsync, and later call a global sync
3647 # (which in turn might be very very slow)
3648 local $USE_FSYNC = 0;
3649
2330 # use a peculiar iteration method to avoid tripping on perl 3650 # use a peculiar iteration method to avoid tripping on perl
2331 # refcount bugs in for. also avoids problems with players 3651 # refcount bugs in for. also avoids problems with players
2332 # and maps saved/destroyed asynchronously. 3652 # and maps saved/destroyed asynchronously.
2333 warn "begin emergency player save\n"; 3653 warn "emergency_perl_save: begin player save\n";
2334 for my $login (keys %cf::PLAYER) { 3654 for my $login (keys %cf::PLAYER) {
2335 my $pl = $cf::PLAYER{$login} or next; 3655 my $pl = $cf::PLAYER{$login} or next;
2336 $pl->valid or next; 3656 $pl->valid or next;
3657 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337 $pl->save; 3658 $pl->save;
2338 } 3659 }
2339 warn "end emergency player save\n"; 3660 warn "emergency_perl_save: end player save\n";
2340 3661
2341 warn "begin emergency map save\n"; 3662 warn "emergency_perl_save: begin map save\n";
2342 for my $path (keys %cf::MAP) { 3663 for my $path (keys %cf::MAP) {
2343 my $map = $cf::MAP{$path} or next; 3664 my $map = $cf::MAP{$path} or next;
2344 $map->valid or next; 3665 $map->valid or next;
2345 $map->save; 3666 $map->save;
2346 } 3667 }
2347 warn "end emergency map save\n"; 3668 warn "emergency_perl_save: end map save\n";
2348 3669
2349 warn "begin emergency database checkpoint\n"; 3670 warn "emergency_perl_save: begin database checkpoint\n";
2350 BDB::db_env_txn_checkpoint $DB_ENV; 3671 BDB::db_env_txn_checkpoint $DB_ENV;
2351 warn "end emergency database checkpoint\n"; 3672 warn "emergency_perl_save: end database checkpoint\n";
3673
3674 warn "emergency_perl_save: begin write uuid\n";
3675 write_uuid_sync 1;
3676 warn "emergency_perl_save: end write uuid\n";
2352 }; 3677 };
2353 3678
3679 warn "emergency_perl_save: starting sync()\n";
3680 IO::AIO::aio_sync sub {
3681 warn "emergency_perl_save: finished sync()\n";
3682 };
3683
2354 warn "leave emergency perl save\n"; 3684 warn "emergency_perl_save: leave\n";
2355} 3685}
2356 3686
2357sub post_cleanup { 3687sub post_cleanup {
2358 my ($make_core) = @_; 3688 my ($make_core) = @_;
2359 3689
2360 warn Carp::longmess "post_cleanup backtrace" 3690 warn Carp::longmess "post_cleanup backtrace"
2361 if $make_core; 3691 if $make_core;
2362}
2363 3692
3693 my $fh = pidfile;
3694 unlink $PIDFILE if <$fh> == $$;
3695}
3696
3697# a safer delete_package, copied from Symbol
3698sub clear_package($) {
3699 my $pkg = shift;
3700
3701 # expand to full symbol table name if needed
3702 unless ($pkg =~ /^main::.*::$/) {
3703 $pkg = "main$pkg" if $pkg =~ /^::/;
3704 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3705 $pkg .= '::' unless $pkg =~ /::$/;
3706 }
3707
3708 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3709 my $stem_symtab = *{$stem}{HASH};
3710
3711 defined $stem_symtab and exists $stem_symtab->{$leaf}
3712 or return;
3713
3714 # clear all symbols
3715 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3716 for my $name (keys %$leaf_symtab) {
3717 _gv_clear *{"$pkg$name"};
3718# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3719 }
3720 warn "cleared package $pkg\n";#d#
3721}
3722
2364sub reload() { 3723sub do_reload_perl() {
2365 # can/must only be called in main 3724 # can/must only be called in main
2366 if ($Coro::current != $Coro::main) { 3725 if ($Coro::current != $Coro::main) {
2367 warn "can only reload from main coroutine"; 3726 warn "can only reload from main coroutine";
2368 return; 3727 return;
2369 } 3728 }
2370 3729
3730 return if $RELOAD++;
3731
3732 my $t1 = EV::time;
3733
3734 while ($RELOAD) {
2371 warn "reloading..."; 3735 warn "reloading...";
2372 3736
2373 warn "entering sync_job"; 3737 warn "entering sync_job";
2374 3738
2375 cf::sync_job { 3739 cf::sync_job {
2376 cf::write_runtime; # external watchdog should not bark 3740 cf::write_runtime_sync; # external watchdog should not bark
2377 cf::emergency_save; 3741 cf::emergency_save;
2378 cf::write_runtime; # external watchdog should not bark 3742 cf::write_runtime_sync; # external watchdog should not bark
2379 3743
2380 warn "syncing database to disk"; 3744 warn "syncing database to disk";
2381 BDB::db_env_txn_checkpoint $DB_ENV; 3745 BDB::db_env_txn_checkpoint $DB_ENV;
2382 3746
2383 # if anything goes wrong in here, we should simply crash as we already saved 3747 # if anything goes wrong in here, we should simply crash as we already saved
2384 3748
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "flushing outstanding aio requests"; 3749 warn "flushing outstanding aio requests";
2391 for (;;) {
2392 BDB::flush;
2393 IO::AIO::flush;
2394 Coro::cede;
2395 last unless IO::AIO::nreqs || BDB::nreqs; 3750 while (IO::AIO::nreqs || BDB::nreqs) {
2396 warn "iterate..."; 3751 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2397 }
2398
2399 warn "cancelling all extension coros";
2400 $_->cancel for values %EXT_CORO;
2401 %EXT_CORO = ();
2402
2403 warn "removing commands";
2404 %COMMAND = ();
2405
2406 warn "removing ext commands";
2407 %EXTCMD = ();
2408
2409 warn "unloading/nuking all extensions";
2410 for my $pkg (@EXTS) {
2411 warn "... unloading $pkg";
2412
2413 if (my $cb = $pkg->can ("unload")) {
2414 eval {
2415 $cb->($pkg);
2416 1
2417 } or warn "$pkg unloaded, but with errors: $@";
2418 } 3752 }
2419 3753
2420 warn "... nuking $pkg"; 3754 warn "cancelling all extension coros";
2421 Symbol::delete_package $pkg; 3755 $_->cancel for values %EXT_CORO;
2422 } 3756 %EXT_CORO = ();
2423 3757
2424 warn "unloading all perl modules loaded from $LIBDIR"; 3758 warn "removing commands";
2425 while (my ($k, $v) = each %INC) { 3759 %COMMAND = ();
2426 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427 3760
3761 warn "removing ext/exti commands";
3762 %EXTCMD = ();
3763 %EXTICMD = ();
3764
3765 warn "unloading/nuking all extensions";
3766 for my $pkg (@EXTS) {
2428 warn "... unloading $k"; 3767 warn "... unloading $pkg";
2429 delete $INC{$k};
2430 3768
2431 $k =~ s/\.pm$//;
2432 $k =~ s/\//::/g;
2433
2434 if (my $cb = $k->can ("unload_module")) { 3769 if (my $cb = $pkg->can ("unload")) {
3770 eval {
2435 $cb->(); 3771 $cb->($pkg);
3772 1
3773 } or warn "$pkg unloaded, but with errors: $@";
3774 }
3775
3776 warn "... clearing $pkg";
3777 clear_package $pkg;
2436 } 3778 }
2437 3779
2438 Symbol::delete_package $k; 3780 warn "unloading all perl modules loaded from $LIBDIR";
3781 while (my ($k, $v) = each %INC) {
3782 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3783
3784 warn "... unloading $k";
3785 delete $INC{$k};
3786
3787 $k =~ s/\.pm$//;
3788 $k =~ s/\//::/g;
3789
3790 if (my $cb = $k->can ("unload_module")) {
3791 $cb->();
3792 }
3793
3794 clear_package $k;
2439 } 3795 }
2440 3796
2441 warn "getting rid of safe::, as good as possible"; 3797 warn "getting rid of safe::, as good as possible";
2442 Symbol::delete_package "safe::$_" 3798 clear_package "safe::$_"
2443 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3799 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444 3800
2445 warn "unloading cf.pm \"a bit\""; 3801 warn "unloading cf.pm \"a bit\"";
2446 delete $INC{"cf.pm"}; 3802 delete $INC{"cf.pm"};
3803 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447 3804
2448 # don't, removes xs symbols, too, 3805 # don't, removes xs symbols, too,
2449 # and global variables created in xs 3806 # and global variables created in xs
2450 #Symbol::delete_package __PACKAGE__; 3807 #clear_package __PACKAGE__;
2451 3808
2452 warn "unload completed, starting to reload now"; 3809 warn "unload completed, starting to reload now";
2453 3810
2454 warn "reloading cf.pm"; 3811 warn "reloading cf.pm";
2455 require cf; 3812 require cf;
2456 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3813 cf::_connect_to_perl_1;
2457 3814
2458 warn "loading config and database again"; 3815 warn "loading config and database again";
2459 cf::cfg_load; 3816 cf::reload_config;
2460 3817
2461 warn "loading extensions"; 3818 warn "loading extensions";
2462 cf::load_extensions; 3819 cf::load_extensions;
2463 3820
3821 if ($REATTACH_ON_RELOAD) {
2464 warn "reattaching attachments to objects/players"; 3822 warn "reattaching attachments to objects/players";
2465 _global_reattach; 3823 _global_reattach; # objects, sockets
2466 warn "reattaching attachments to maps"; 3824 warn "reattaching attachments to maps";
2467 reattach $_ for values %MAP; 3825 reattach $_ for values %MAP;
3826 warn "reattaching attachments to players";
3827 reattach $_ for values %PLAYER;
3828 }
2468 3829
2469 warn "loading reloadable resources"; 3830 warn "running post_init jobs";
2470 load_resources; 3831 (pop @POST_INIT)->(1) while @POST_INIT;
2471 3832
2472 warn "leaving sync_job"; 3833 warn "leaving sync_job";
2473 3834
2474 1 3835 1
2475 } or do { 3836 } or do {
2476 warn $@; 3837 warn $@;
2477 warn "error while reloading, exiting."; 3838 cf::cleanup "error while reloading, exiting.";
2478 exit 1; 3839 };
3840
3841 warn "reloaded";
3842 --$RELOAD;
3843 }
3844
3845 $t1 = EV::time - $t1;
3846 warn "reload completed in ${t1}s\n";
3847};
3848
3849our $RELOAD_WATCHER; # used only during reload
3850
3851sub reload_perl() {
3852 # doing reload synchronously and two reloads happen back-to-back,
3853 # coro crashes during coro_state_free->destroy here.
3854
3855 $RELOAD_WATCHER ||= cf::async {
3856 Coro::AIO::aio_wait cache_extensions;
3857
3858 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3859 do_reload_perl;
3860 undef $RELOAD_WATCHER;
3861 };
2479 }; 3862 };
2480 3863}
2481 warn "reloaded";
2482};
2483
2484our $RELOAD_WATCHER; # used only during reload
2485 3864
2486register_command "reload" => sub { 3865register_command "reload" => sub {
2487 my ($who, $arg) = @_; 3866 my ($who, $arg) = @_;
2488 3867
2489 if ($who->flag (FLAG_WIZ)) { 3868 if ($who->flag (FLAG_WIZ)) {
2490 $who->message ("reloading server."); 3869 $who->message ("reloading server.");
2491 3870 async {
2492 # doing reload synchronously and two reloads happen back-to-back, 3871 $Coro::current->{desc} = "perl_reload";
2493 # coro crashes during coro_state_free->destroy here.
2494
2495 $RELOAD_WATCHER ||= Event->timer (
2496 reentrant => 0,
2497 after => 0,
2498 data => WF_AUTOCANCEL,
2499 cb => sub {
2500 reload; 3872 reload_perl;
2501 undef $RELOAD_WATCHER;
2502 },
2503 ); 3873 };
2504 } 3874 }
2505}; 3875};
2506 3876
2507unshift @INC, $LIBDIR; 3877unshift @INC, $LIBDIR;
2508 3878
2509my $bug_warning = 0; 3879my $bug_warning = 0;
2510 3880
2511$TICK_WATCHER = Event->timer ( 3881our @WAIT_FOR_TICK;
2512 reentrant => 0, 3882our @WAIT_FOR_TICK_BEGIN;
2513 parked => 1, 3883
2514 prio => 0, 3884sub wait_for_tick {
2515 at => $NEXT_TICK || $TICK, 3885 return if tick_inhibit || $Coro::current == $Coro::main;
2516 data => WF_AUTOCANCEL, 3886
2517 cb => sub { 3887 my $signal = new Coro::Signal;
3888 push @WAIT_FOR_TICK, $signal;
3889 $signal->wait;
3890}
3891
3892sub wait_for_tick_begin {
3893 return if tick_inhibit || $Coro::current == $Coro::main;
3894
3895 my $signal = new Coro::Signal;
3896 push @WAIT_FOR_TICK_BEGIN, $signal;
3897 $signal->wait;
3898}
3899
3900sub tick {
2518 if ($Coro::current != $Coro::main) { 3901 if ($Coro::current != $Coro::main) {
2519 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3902 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520 unless ++$bug_warning > 10; 3903 unless ++$bug_warning > 10;
2521 return; 3904 return;
2522 } 3905 }
2523 3906
2524 $NOW = Event::time;
2525
2526 cf::server_tick; # one server iteration 3907 cf::server_tick; # one server iteration
2527 $RUNTIME += $TICK;
2528 $NEXT_TICK += $TICK;
2529 3908
2530 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3909 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531 $NEXT_RUNTIME_WRITE = $NOW + 10; 3910 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532 Coro::async_pool { 3911 Coro::async_pool {
3912 $Coro::current->{desc} = "runtime saver";
2533 write_runtime 3913 write_runtime_sync
2534 or warn "ERROR: unable to write runtime file: $!"; 3914 or warn "ERROR: unable to write runtime file: $!";
2535 };
2536 } 3915 };
2537
2538
2539 $WAIT_FOR_TICK->broadcast;
2540 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542# my $AFTER = Event::time;
2543# warn $AFTER - $NOW;#d#
2544
2545 # if we are delayed by four ticks or more, skip them all
2546 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2547
2548 $TICK_WATCHER->at ($NEXT_TICK);
2549 $TICK_WATCHER->start;
2550 }, 3916 }
2551); 3917
3918 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3919 $sig->send;
3920 }
3921 while (my $sig = shift @WAIT_FOR_TICK) {
3922 $sig->send;
3923 }
3924
3925 $LOAD = ($NOW - $TICK_START) / $TICK;
3926 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3927
3928 if (0) {
3929 if ($NEXT_TICK) {
3930 my $jitter = $TICK_START - $NEXT_TICK;
3931 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3932 warn "jitter $JITTER\n";#d#
3933 }
3934 }
3935}
2552 3936
2553{ 3937{
2554 BDB::max_poll_time $TICK * 0.1; 3938 # configure BDB
2555 $BDB_POLL_WATCHER = Event->io ( 3939
2556 reentrant => 0,
2557 fd => BDB::poll_fileno,
2558 poll => 'r',
2559 prio => 0,
2560 data => WF_AUTOCANCEL,
2561 cb => \&BDB::poll_cb,
2562 );
2563 BDB::min_parallel 8; 3940 BDB::min_parallel 8;
2564 3941 BDB::max_poll_reqs $TICK * 0.1;
2565 BDB::set_sync_prepare { 3942 $AnyEvent::BDB::WATCHER->priority (1);
2566 my $status;
2567 my $current = $Coro::current;
2568 (
2569 sub {
2570 $status = $!;
2571 $current->ready; undef $current;
2572 },
2573 sub {
2574 Coro::schedule while defined $current;
2575 $! = $status;
2576 },
2577 )
2578 };
2579 3943
2580 unless ($DB_ENV) { 3944 unless ($DB_ENV) {
2581 $DB_ENV = BDB::db_env_create; 3945 $DB_ENV = BDB::db_env_create;
3946 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3947 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3948 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3949 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3950 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582 3951
2583 cf::sync_job { 3952 cf::sync_job {
2584 eval { 3953 eval {
2585 BDB::db_env_open 3954 BDB::db_env_open
2586 $DB_ENV, 3955 $DB_ENV,
2587 $BDB_ENV_DIR, 3956 $BDBDIR,
2588 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3957 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3958 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590 0666; 3959 0666;
2591 3960
2592 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3961 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595 $DB_ENV->set_lk_detect;
2596 }; 3962 };
2597 3963
2598 cf::cleanup "db_env_open(db): $@" if $@; 3964 cf::cleanup "db_env_open(db): $@" if $@;
2599 }; 3965 };
2600 } 3966 }
3967
3968 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3969 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3970 };
3971 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3972 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3973 };
3974 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3975 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3976 };
2601} 3977}
2602 3978
2603{ 3979{
3980 # configure IO::AIO
3981
2604 IO::AIO::min_parallel 8; 3982 IO::AIO::min_parallel 8;
2605
2606 undef $Coro::AIO::WATCHER;
2607 IO::AIO::max_poll_time $TICK * 0.1; 3983 IO::AIO::max_poll_time $TICK * 0.1;
2608 $AIO_POLL_WATCHER = Event->io ( 3984 undef $AnyEvent::AIO::WATCHER;
2609 reentrant => 0,
2610 data => WF_AUTOCANCEL,
2611 fd => IO::AIO::poll_fileno,
2612 poll => 'r',
2613 prio => 6,
2614 cb => \&IO::AIO::poll_cb,
2615 );
2616} 3985}
3986
3987my $_log_backtrace;
3988
3989sub _log_backtrace {
3990 my ($msg, @addr) = @_;
3991
3992 $msg =~ s/\n//;
3993
3994 # limit the # of concurrent backtraces
3995 if ($_log_backtrace < 2) {
3996 ++$_log_backtrace;
3997 my $perl_bt = Carp::longmess $msg;
3998 async {
3999 $Coro::current->{desc} = "abt $msg";
4000
4001 my @bt = fork_call {
4002 @addr = map { sprintf "%x", $_ } @addr;
4003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4004 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4005 or die "addr2line: $!";
4006
4007 my @funcs;
4008 my @res = <$fh>;
4009 chomp for @res;
4010 while (@res) {
4011 my ($func, $line) = splice @res, 0, 2, ();
4012 push @funcs, "[$func] $line";
4013 }
4014
4015 @funcs
4016 };
4017
4018 LOG llevInfo, "[ABT] $perl_bt\n";
4019 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4020 LOG llevInfo, "[ABT] $_\n" for @bt;
4021 --$_log_backtrace;
4022 };
4023 } else {
4024 LOG llevInfo, "[ABT] $msg\n";
4025 LOG llevInfo, "[ABT] [suppressed]\n";
4026 }
4027}
4028
4029# load additional modules
4030require "cf/$_.pm" for @EXTRA_MODULES;
4031cf::_connect_to_perl_2;
2617 4032
2618END { cf::emergency_save } 4033END { cf::emergency_save }
2619 4034
26201 40351
2621 4036

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