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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
12 36
37use Guard ();
13use Coro 3.3 (); 38use Coro ();
39use Coro::State;
40use Coro::Handle;
41use Coro::EV;
14use Coro::Event; 42use Coro::AnyEvent;
15use Coro::Timer; 43use Coro::Timer;
16use Coro::Signal; 44use Coro::Signal;
17use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
18use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
50use Coro::Storable;
51use Coro::Util ();
19 52
20use Digest::MD5; 53use JSON::XS 2.01 ();
54use BDB ();
55use Data::Dumper;
21use Fcntl; 56use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 57use YAML::XS ();
58use IO::AIO ();
24use Time::HiRes; 59use Time::HiRes;
60use Compress::LZF;
61use Digest::MD5 ();
25 62
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 63AnyEvent::detect;
27 64
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 65# configure various modules to our taste
29$YAML::Syck::ImplicitUnicode = 1; 66#
67$Storable::canonical = 1; # reduce rsync transfers
68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30 69
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
75
76# strictly for debugging
77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32 78
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
34 82
35our %COMMAND = (); 83our %COMMAND = ();
36our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
85
86our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
89our %EXT_CORO = (); # coroutines bound to extensions
90our %EXT_MAP = (); # pluggable maps
38 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
39our @EVENT; 93our @EVENT;
40our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
41 96
42our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
43our $TICK_WATCHER; 98our $DATADIR = datadir;
99our $LIBDIR = "$DATADIR/ext";
100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
118
119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 121our $NEXT_TICK;
45our $NOW; 122our $USE_FSYNC = 1; # use fsync to write maps - default on
123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
126our $BDB_TRICKLE_WATCHER;
127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
46 130
47our %CFG; 131our %CFG;
48 132
49our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 134our $RUNTIME;
135our $NOW;
51 136
52our %MAP; # all maps 137our (%PLAYER, %PLAYER_LOADING); # all users
53our $LINK_MAP; # the special {link} map 138our (%MAP, %MAP_LOADING ); # all maps
54our $RANDOM_MAPS = cf::localdir . "/random"; 139our $LINK_MAP; # the special {link} map, which is always available
55our %EXT_CORO; 140
141# used to convert map paths into valid unix filenames by replacing / by ∕
142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
56 153
57binmode STDOUT; 154binmode STDOUT;
58binmode STDERR; 155binmode STDERR;
59 156
60# read virtual server time, if available 157# read virtual server time, if available
61unless ($RUNTIME || !-e cf::localdir . "/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
62 open my $fh, "<", cf::localdir . "/runtime" 159 open my $fh, "<", $RUNTIMEFILE
63 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
64 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
65} 162}
66 163
67mkdir cf::localdir; 164eval "sub TICK() { $TICK } 1" or die;
68mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS;
72 165
73# a special map that is always available 166mkdir $_
74our $LINK_MAP; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
168
75our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
170
171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
76 187
77############################################################################# 188#############################################################################
78 189
79=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
80 191
… …
87=item $cf::RUNTIME 198=item $cf::RUNTIME
88 199
89The time this server has run, starts at 0 and is increased by $cf::TICK on 200The time this server has run, starts at 0 and is increased by $cf::TICK on
90every server tick. 201every server tick.
91 202
92=item $cf::LIBDIR 203=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
204$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
205$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93 206
94The perl library directory, where extensions and cf-specific modules can 207Various directories - "/etc", read-only install directory, perl-library
95be found. It will be added to C<@INC> automatically. 208directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
209unique-items directory, player file directory, random maps directory and
210database environment.
96 211
97=item $cf::NOW 212=item $cf::NOW
98 213
99The time of the last (current) server tick. 214The time of the last (current) server tick.
100 215
101=item $cf::TICK 216=item $cf::TICK
102 217
103The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
104 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
105=item %cf::CFG 230=item %cf::CFG
106 231
107Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108from wherever your confdir points to. 233from wherever your confdir points to.
109 234
235=item cf::wait_for_tick, cf::wait_for_tick_begin
236
237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
238returns directly I<after> the tick processing (and consequently, can only wake one thread
239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
246=item @cf::INVOKE_RESULTS
247
248This array contains the results of the last C<invoke ()> call. When
249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
250that call.
251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
110=back 258=back
111 259
112=cut 260=cut
113 261
114BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
115 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
116 my $msg = join "", @_; 269 my $msg = join "", @_;
117 utf8::encode $msg;
118 270
119 $msg .= "\n" 271 $msg .= "\n"
120 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
121 273
122 LOG llevError, "cfperl: $msg"; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
123 }; 275
124} 276 LOG llevWarn, $msg;
277};
278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
125 292
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 297@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
298@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 299@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132 300
133# we bless all objects into (empty) derived classes to force a method lookup 301# we bless all objects into (empty) derived classes to force a method lookup
134# within the Safe compartment. 302# within the Safe compartment.
135for my $pkg (qw( 303for my $pkg (qw(
136 cf::global cf::attachable 304 cf::global cf::attachable
137 cf::object cf::object::player 305 cf::object cf::object::player
138 cf::client cf::player 306 cf::client cf::player
139 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
140 cf::map cf::party cf::region 309 cf::party cf::region
141)) { 310)) {
142 no strict 'refs';
143 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144} 312}
145 313
146$Event::DIED = sub { 314$EV::DIED = sub {
147 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
148}; 316};
149 317
150my %ext_pkg; 318#############################################################################
151my @exts;
152my @hook;
153 319
154=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
155 321
156=over 4 322=over 4
157 323
158=cut 324=item dumpval $ref
159 325
160use JSON::Syck (); # TODO# replace by JSON::PC once working 326=cut
161 327
328sub dumpval {
329 eval {
330 local $SIG{__DIE__};
331 my $d;
332 if (1) {
333 $d = new Data::Dumper([$_[0]], ["*var"]);
334 $d->Terse(1);
335 $d->Indent(2);
336 $d->Quotekeys(0);
337 $d->Useqq(1);
338 #$d->Bless(...);
339 $d->Seen($_[1]) if @_ > 1;
340 $d = $d->Dump();
341 }
342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
343 $d
344 } || "[unable to dump $_[0]: '$@']";
345}
346
162=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
163 348
164Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
165 350
166=cut
167
168sub from_json($) {
169 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170 JSON::Syck::Load $_[0]
171}
172
173=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
174 352
175Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
176 354
177=cut 355=cut
178 356
179sub to_json($) { 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181 JSON::Syck::Dump $_[0]
182}
183 358
184=item my $guard = cf::guard { BLOCK } 359sub encode_json($) { $json_coder->encode ($_[0]) }
360sub decode_json($) { $json_coder->decode ($_[0]) }
185 361
186Run the given callback when the guard object gets destroyed (useful for 362=item cf::post_init { BLOCK }
187coroutine cancellations).
188 363
189You can call C<< ->cancel >> on the guard object to stop the block from 364Execute the given codeblock, I<after> all extensions have been (re-)loaded,
190being executed. 365but I<before> the server starts ticking again.
191 366
192=cut 367The cdoeblock will have a single boolean argument to indicate whether this
368is a reload or not.
193 369
194sub guard(&) { 370=cut
195 bless \(my $cb = $_[0]), cf::guard::;
196}
197 371
198sub cf::guard::cancel { 372sub post_init(&) {
199 ${$_[0]} = sub { }; 373 push @POST_INIT, shift;
200}
201
202sub cf::guard::DESTROY {
203 ${$_[0]}->();
204} 374}
205 375
206=item cf::lock_wait $string 376=item cf::lock_wait $string
207 377
208Wait until the given lock is available. See cf::lock_acquire. 378Wait until the given lock is available. See cf::lock_acquire.
209 379
210=item my $lock = cf::lock_acquire $string 380=item my $lock = cf::lock_acquire $string
211 381
212Wait until the given lock is available and then acquires it and returns 382Wait until the given lock is available and then acquires it and returns
213a guard object. If the guard object gets destroyed (goes out of scope, 383a L<Guard> object. If the guard object gets destroyed (goes out of scope,
214for example when the coroutine gets canceled), the lock is automatically 384for example when the coroutine gets canceled), the lock is automatically
215returned. 385returned.
216 386
387Locks are *not* recursive, locking from the same coro twice results in a
388deadlocked coro.
389
217Lock names should begin with a unique identifier (for example, cf::map::find 390Lock names should begin with a unique identifier (for example, cf::map::find
218uses map_find and cf::map::load uses map_load). 391uses map_find and cf::map::load uses map_load).
219 392
220=cut 393=item $locked = cf::lock_active $string
221 394
222our %LOCK; 395Return true if the lock is currently active, i.e. somebody has locked it.
396
397=cut
398
399our $LOCKS = new Coro::SemaphoreSet;
223 400
224sub lock_wait($) { 401sub lock_wait($) {
225 my ($key) = @_; 402 $LOCKS->wait ($_[0]);
226
227 # wait for lock, if any
228 while ($LOCK{$key}) {
229 push @{ $LOCK{$key} }, $Coro::current;
230 Coro::schedule;
231 }
232} 403}
233 404
234sub lock_acquire($) { 405sub lock_acquire($) {
235 my ($key) = @_; 406 $LOCKS->guard ($_[0])
407}
236 408
237 # wait, to be sure we are not locked 409sub lock_active($) {
238 lock_wait $key; 410 $LOCKS->count ($_[0]) < 1
411}
239 412
240 $LOCK{$key} = []; 413sub freeze_mainloop {
414 tick_inhibit_inc;
241 415
242 cf::guard { 416 &Guard::guard (\&tick_inhibit_dec);
243 # wake up all waiters, to be on the safe side 417}
244 $_->ready for @{ delete $LOCK{$key} }; 418
419=item cf::periodic $interval, $cb
420
421Like EV::periodic, but randomly selects a starting point so that the actions
422get spread over time.
423
424=cut
425
426sub periodic($$) {
427 my ($interval, $cb) = @_;
428
429 my $start = rand List::Util::min 180, $interval;
430
431 EV::periodic $start, $interval, 0, $cb
432}
433
434=item cf::get_slot $time[, $priority[, $name]]
435
436Allocate $time seconds of blocking CPU time at priority C<$priority>:
437This call blocks and returns only when you have at least C<$time> seconds
438of cpu time till the next tick. The slot is only valid till the next cede.
439
440The optional C<$name> can be used to identify the job to run. It might be
441used for statistical purposes and should identify the same time-class.
442
443Useful for short background jobs.
444
445=cut
446
447our @SLOT_QUEUE;
448our $SLOT_QUEUE;
449our $SLOT_DECAY = 0.9;
450
451$SLOT_QUEUE->cancel if $SLOT_QUEUE;
452$SLOT_QUEUE = Coro::async {
453 $Coro::current->desc ("timeslot manager");
454
455 my $signal = new Coro::Signal;
456 my $busy;
457
458 while () {
459 next_job:
460
461 my $avail = cf::till_tick;
462
463 for (0 .. $#SLOT_QUEUE) {
464 if ($SLOT_QUEUE[$_][0] <= $avail) {
465 $busy = 0;
466 my $job = splice @SLOT_QUEUE, $_, 1, ();
467 $job->[2]->send;
468 Coro::cede;
469 goto next_job;
470 } else {
471 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
472 }
473 }
474
475 if (@SLOT_QUEUE) {
476 # we do not use wait_for_tick() as it returns immediately when tick is inactive
477 push @cf::WAIT_FOR_TICK, $signal;
478 $signal->wait;
479 } else {
480 $busy = 0;
481 Coro::schedule;
482 }
245 } 483 }
484};
485
486sub get_slot($;$$) {
487 return if tick_inhibit || $Coro::current == $Coro::main;
488
489 my ($time, $pri, $name) = @_;
490
491 $time = clamp $time, 0.01, $TICK * .6;
492
493 my $sig = new Coro::Signal;
494
495 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
496 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
497 $SLOT_QUEUE->ready;
498 $sig->wait;
246} 499}
247 500
248=item cf::async { BLOCK } 501=item cf::async { BLOCK }
249 502
250Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 503Currently the same as Coro::async_pool, meaning you cannot use
251error instead of exiting the server in case of a problem. 504C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
505thing you are allowed to do is call C<prio> on it.
252 506
253=cut 507=cut
254 508
255sub async(&) { 509BEGIN { *async = \&Coro::async_pool }
256 my ($cb) = @_;
257
258 Coro::async {
259 eval { $cb->() };
260 warn $@ if $@;
261 }
262}
263
264sub freeze_mainloop {
265 return unless $TICK_WATCHER->is_active;
266
267 my $guard = guard { $TICK_WATCHER->start };
268 $TICK_WATCHER->stop;
269 $guard
270}
271 510
272=item cf::sync_job { BLOCK } 511=item cf::sync_job { BLOCK }
273 512
274The design of crossfire+ requires that the main coro ($Coro::main) is 513The design of Deliantra requires that the main coroutine ($Coro::main)
275always able to handle events or runnable, as crossfire+ is only partly 514is always able to handle events or runnable, as Deliantra is only
276reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 515partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
516acceptable.
277 517
278If it must be done, put the blocking parts into C<sync_job>. This will run 518If it must be done, put the blocking parts into C<sync_job>. This will run
279the given BLOCK in another coroutine while waiting for the result. The 519the given BLOCK in another coroutine while waiting for the result. The
280server will be frozen during this time, so the block should either finish 520server will be frozen during this time, so the block should either finish
281fast or be very important. 521fast or be very important.
… …
283=cut 523=cut
284 524
285sub sync_job(&) { 525sub sync_job(&) {
286 my ($job) = @_; 526 my ($job) = @_;
287 527
288 if ($Coro::current == $Coro::main) { 528 if (in_main) {
529 my $time = AE::time;
530
289 # this is the main coro, too bad, we have to block 531 # this is the main coro, too bad, we have to block
290 # till the operation succeeds, freezing the server :/ 532 # till the operation succeeds, freezing the server :/
291 533
292 # TODO: use suspend/resume instead 534 #LOG llevError, Carp::longmess "sync job";#d#
293 # (but this is cancel-safe) 535
294 my $freeze_guard = freeze_mainloop; 536 my $freeze_guard = freeze_mainloop;
295 537
296 my $busy = 1; 538 my $busy = 1;
297 my @res; 539 my @res;
298 540
299 (Coro::async { 541 (async {
542 $Coro::current->desc ("sync job coro");
300 @res = eval { $job->() }; 543 @res = eval { $job->() };
301 warn $@ if $@; 544 error $@ if $@;
302 undef $busy; 545 undef $busy;
303 })->prio (Coro::PRIO_MAX); 546 })->prio (Coro::PRIO_MAX);
304 547
305 while ($busy) { 548 while ($busy) {
549 if (Coro::nready) {
306 Coro::cede_notself; 550 Coro::cede_notself;
307 Event::one_event unless Coro::nready; 551 } else {
552 EV::loop EV::LOOP_ONESHOT;
308 } 553 }
554 }
555
556 my $time = AE::time - $time;
557
558 $TICK_START += $time; # do not account sync jobs to server load
309 559
310 wantarray ? @res : $res[0] 560 wantarray ? @res : $res[0]
311 } else { 561 } else {
312 # we are in another coroutine, how wonderful, everything just works 562 # we are in another coroutine, how wonderful, everything just works
313 563
314 $job->() 564 $job->()
315 } 565 }
316} 566}
317 567
318=item $coro = cf::coro { BLOCK } 568=item $coro = cf::async_ext { BLOCK }
319 569
320Creates and returns a new coro. This coro is automcatially being canceled 570Like async, but this coro is automatically being canceled when the
321when the extension calling this is being unloaded. 571extension calling this is being unloaded.
322 572
323=cut 573=cut
324 574
325sub coro(&) { 575sub async_ext(&) {
326 my $cb = shift; 576 my $cb = shift;
327 577
328 my $coro = &cf::async ($cb); 578 my $coro = &Coro::async ($cb);
329 579
330 $coro->on_destroy (sub { 580 $coro->on_destroy (sub {
331 delete $EXT_CORO{$coro+0}; 581 delete $EXT_CORO{$coro+0};
332 }); 582 });
333 $EXT_CORO{$coro+0} = $coro; 583 $EXT_CORO{$coro+0} = $coro;
334 584
335 $coro 585 $coro
336} 586}
337 587
338sub write_runtime { 588=item fork_call { }, $args
339 my $runtime = cf::localdir . "/runtime";
340 589
341 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 590Executes the given code block with the given arguments in a seperate
342 or return; 591process, returning the results. Everything must be serialisable with
592Coro::Storable. May, of course, block. Note that the executed sub may
593never block itself or use any form of event handling.
343 594
344 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 595=cut
345 (aio_write $fh, 0, (length $value), $value, 0) <= 0
346 and return;
347 596
348 aio_fsync $fh 597sub post_fork {
349 and return; 598 reset_signals;
599}
350 600
351 close $fh 601sub fork_call(&@) {
352 or return; 602 my ($cb, @args) = @_;
353 603
354 aio_rename "$runtime~", $runtime 604 # we seemingly have to make a local copy of the whole thing,
355 and return; 605 # otherwise perl prematurely frees the stuff :/
606 # TODO: investigate and fix (likely this will be rather laborious)
356 607
608 my @res = Coro::Util::fork_eval {
609 cf::post_fork;
610 &$cb
611 }, @args;
612
613 wantarray ? @res : $res[-1]
614}
615
616sub objinfo {
357 1 617 (
618 "counter value" => cf::object::object_count,
619 "objects created" => cf::object::create_count,
620 "objects destroyed" => cf::object::destroy_count,
621 "freelist size" => cf::object::free_count,
622 "allocated objects" => cf::object::objects_size,
623 "active objects" => cf::object::actives_size,
624 )
625}
626
627=item $coin = coin_from_name $name
628
629=cut
630
631our %coin_alias = (
632 "silver" => "silvercoin",
633 "silvercoin" => "silvercoin",
634 "silvercoins" => "silvercoin",
635 "gold" => "goldcoin",
636 "goldcoin" => "goldcoin",
637 "goldcoins" => "goldcoin",
638 "platinum" => "platinacoin",
639 "platinumcoin" => "platinacoin",
640 "platinumcoins" => "platinacoin",
641 "platina" => "platinacoin",
642 "platinacoin" => "platinacoin",
643 "platinacoins" => "platinacoin",
644 "royalty" => "royalty",
645 "royalties" => "royalty",
646);
647
648sub coin_from_name($) {
649 $coin_alias{$_[0]}
650 ? cf::arch::find $coin_alias{$_[0]}
651 : undef
652}
653
654=item $value = cf::db_get $family => $key
655
656Returns a single value from the environment database.
657
658=item cf::db_put $family => $key => $value
659
660Stores the given C<$value> in the family. It can currently store binary
661data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
662
663=item $db = cf::db_table "name"
664
665Create and/or open a new database table. The string must not be "db" and must be unique
666within each server.
667
668=cut
669
670sub db_table($) {
671 cf::error "db_get called from main context"
672 if $Coro::current == $Coro::main;
673
674 my ($name) = @_;
675 my $db = BDB::db_create $DB_ENV;
676
677 eval {
678 $db->set_flags (BDB::CHKSUM);
679
680 utf8::encode $name;
681 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
682 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
683 cf::cleanup "db_open(db): $!" if $!;
684 };
685 cf::cleanup "db_open(db): $@" if $@;
686
687 $db
688}
689
690our $DB;
691
692sub db_init {
693 $DB ||= db_table "db";
694}
695
696sub db_get($$) {
697 my $key = "$_[0]/$_[1]";
698
699 cf::error "db_get called from main context"
700 if $Coro::current == $Coro::main;
701
702 BDB::db_get $DB, undef, $key, my $data;
703
704 $! ? ()
705 : $data
706}
707
708sub db_put($$$) {
709 BDB::dbreq_pri 4;
710 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
711}
712
713=item cf::cache $id => [$paths...], $processversion => $process
714
715Generic caching function that returns the value of the resource $id,
716caching and regenerating as required.
717
718This function can block.
719
720=cut
721
722sub cache {
723 my ($id, $src, $processversion, $process) = @_;
724
725 my $meta =
726 join "\x00",
727 $processversion,
728 map {
729 aio_stat $_
730 and Carp::croak "$_: $!";
731
732 ($_, (stat _)[7,9])
733 } @$src;
734
735 my $dbmeta = db_get cache => "$id/meta";
736 if ($dbmeta ne $meta) {
737 # changed, we may need to process
738
739 my @data;
740 my $md5;
741
742 for (0 .. $#$src) {
743 0 <= aio_load $src->[$_], $data[$_]
744 or Carp::croak "$src->[$_]: $!";
745 }
746
747 # if processing is expensive, check
748 # checksum first
749 if (1) {
750 $md5 =
751 join "\x00",
752 $processversion,
753 map {
754 cf::cede_to_tick;
755 ($src->[$_], Digest::MD5::md5_hex $data[$_])
756 } 0.. $#$src;
757
758
759 my $dbmd5 = db_get cache => "$id/md5";
760 if ($dbmd5 eq $md5) {
761 db_put cache => "$id/meta", $meta;
762
763 return db_get cache => "$id/data";
764 }
765 }
766
767 my $t1 = Time::HiRes::time;
768 my $data = $process->(\@data);
769 my $t2 = Time::HiRes::time;
770
771 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
772
773 db_put cache => "$id/data", $data;
774 db_put cache => "$id/md5" , $md5;
775 db_put cache => "$id/meta", $meta;
776
777 return $data;
778 }
779
780 db_get cache => "$id/data"
781}
782
783=item cf::datalog type => key => value, ...
784
785Log a datalog packet of the given type with the given key-value pairs.
786
787=cut
788
789sub datalog($@) {
790 my ($type, %kv) = @_;
791 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
358} 792}
359 793
360=back 794=back
361 795
362=cut 796=cut
363 797
364############################################################################# 798#############################################################################
365 799
366package cf::path;
367
368sub new {
369 my ($class, $path, $base) = @_;
370
371 $path = $path->as_string if ref $path;
372
373 my $self = bless { }, $class;
374
375 # {... are special paths that are not touched
376 # ?xxx/... are special absolute paths
377 # ?random/... random maps
378 # /! non-realised random map exit
379 # /... normal maps
380 # ~/... per-player maps without a specific player (DO NOT USE)
381 # ~user/... per-player map of a specific user
382
383 if ($path =~ /^{/) {
384 # fine as it is
385 } elsif ($path =~ s{^\?random/}{}) {
386 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387 $self->{random} = cf::from_json $data;
388 } else {
389 if ($path =~ s{^~([^/]+)?}{}) {
390 $self->{user_rel} = 1;
391
392 if (defined $1) {
393 $self->{user} = $1;
394 } elsif ($base =~ m{^~([^/]+)/}) {
395 $self->{user} = $1;
396 } else {
397 warn "cannot resolve user-relative path without user <$path,$base>\n";
398 }
399 } elsif ($path =~ /^\//) {
400 # already absolute
401 } else {
402 $base =~ s{[^/]+/?$}{};
403 return $class->new ("$base/$path");
404 }
405
406 for ($path) {
407 redo if s{/\.?/}{/};
408 redo if s{/[^/]+/\.\./}{/};
409 }
410 }
411
412 $self->{path} = $path;
413
414 $self
415}
416
417# the name / primary key / in-game path
418sub as_string {
419 my ($self) = @_;
420
421 $self->{user_rel} ? "~$self->{user}$self->{path}"
422 : $self->{random} ? "?random/$self->{path}"
423 : $self->{path}
424}
425
426# the displayed name, this is a one way mapping
427sub visible_name {
428 my ($self) = @_;
429
430# if (my $rmp = $self->{random}) {
431# # todo: be more intelligent about this
432# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433# } else {
434 $self->as_string
435# }
436}
437
438# escape the /'s in the path
439sub _escaped_path {
440 # ∕ is U+2215
441 (my $path = $_[0]{path}) =~ s/\//∕/g;
442 $path
443}
444
445# the original (read-only) location
446sub load_path {
447 my ($self) = @_;
448
449 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450}
451
452# the temporary/swap location
453sub save_path {
454 my ($self) = @_;
455
456 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459}
460
461# the unique path, might be eq to save_path
462sub uniq_path {
463 my ($self) = @_;
464
465 $self->{user_rel} || $self->{random}
466 ? undef
467 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468}
469
470# return random map parameters, or undef
471sub random_map_params {
472 my ($self) = @_;
473
474 $self->{random}
475}
476
477# this is somewhat ugly, but style maps do need special treatment
478sub is_style_map {
479 $_[0]{path} =~ m{^/styles/}
480}
481
482package cf;
483
484#############################################################################
485
486=head2 ATTACHABLE OBJECTS 800=head2 ATTACHABLE OBJECTS
487 801
488Many objects in crossfire are so-called attachable objects. That means you can 802Many objects in deliantra are so-called attachable objects. That means you can
489attach callbacks/event handlers (a collection of which is called an "attachment") 803attach callbacks/event handlers (a collection of which is called an "attachment")
490to it. All such attachable objects support the following methods. 804to it. All such attachable objects support the following methods.
491 805
492In the following description, CLASS can be any of C<global>, C<object> 806In the following description, CLASS can be any of C<global>, C<object>
493C<player>, C<client> or C<map> (i.e. the attachable objects in 807C<player>, C<client> or C<map> (i.e. the attachable objects in
494crossfire+). 808Deliantra).
495 809
496=over 4 810=over 4
497 811
498=item $attachable->attach ($attachment, key => $value...) 812=item $attachable->attach ($attachment, key => $value...)
499 813
… …
543=item cf::CLASS::attachment $name, ... 857=item cf::CLASS::attachment $name, ...
544 858
545Register an attachment by C<$name> through which attachable objects of the 859Register an attachment by C<$name> through which attachable objects of the
546given CLASS can refer to this attachment. 860given CLASS can refer to this attachment.
547 861
548Some classes such as crossfire maps and objects can specify attachments 862Some classes such as deliantra maps and objects can specify attachments
549that are attached at load/instantiate time, thus the need for a name. 863that are attached at load/instantiate time, thus the need for a name.
550 864
551These calls expect any number of the following handler/hook descriptions: 865These calls expect any number of the following handler/hook descriptions:
552 866
553=over 4 867=over 4
… …
613our @CB_TYPE = (); # registry for type (cf-object class) based events 927our @CB_TYPE = (); # registry for type (cf-object class) based events
614our @CB_MAP = (); 928our @CB_MAP = ();
615 929
616my %attachment; 930my %attachment;
617 931
932sub cf::attachable::thawer_merge {
933 # simply override everything except _meta
934 local $_[0]{_meta};
935 %{$_[0]} = %{$_[1]};
936}
937
618sub _attach_cb($$$$) { 938sub _attach_cb($$$$) {
619 my ($registry, $event, $prio, $cb) = @_; 939 my ($registry, $event, $prio, $cb) = @_;
620 940
621 use sort 'stable'; 941 use sort 'stable';
622 942
… …
656 $registry = $CB_TYPE[$object_type] ||= []; 976 $registry = $CB_TYPE[$object_type] ||= [];
657 977
658 } elsif ($type eq "subtype") { 978 } elsif ($type eq "subtype") {
659 defined $object_type or Carp::croak "subtype specified without type"; 979 defined $object_type or Carp::croak "subtype specified without type";
660 my $object_subtype = shift @arg; 980 my $object_subtype = shift @arg;
661 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 981 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662 982
663 } elsif ($type eq "package") { 983 } elsif ($type eq "package") {
664 my $pkg = shift @arg; 984 my $pkg = shift @arg;
665 985
666 while (my ($name, $id) = each %cb_id) { 986 while (my ($name, $id) = each %cb_id) {
… …
671 991
672 } elsif (exists $cb_id{$type}) { 992 } elsif (exists $cb_id{$type}) {
673 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 993 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
674 994
675 } elsif (ref $type) { 995 } elsif (ref $type) {
676 warn "attaching objects not supported, ignoring.\n"; 996 error "attaching objects not supported, ignoring.\n";
677 997
678 } else { 998 } else {
679 shift @arg; 999 shift @arg;
680 warn "attach argument '$type' not supported, ignoring.\n"; 1000 error "attach argument '$type' not supported, ignoring.\n";
681 } 1001 }
682 } 1002 }
683} 1003}
684 1004
685sub _object_attach { 1005sub _object_attach {
… …
695 _attach $registry, $klass, @attach; 1015 _attach $registry, $klass, @attach;
696 } 1016 }
697 1017
698 $obj->{$name} = \%arg; 1018 $obj->{$name} = \%arg;
699 } else { 1019 } else {
700 warn "object uses attachment '$name' that is not available, postponing.\n"; 1020 info "object uses attachment '$name' which is not available, postponing.\n";
701 } 1021 }
702 1022
703 $obj->{_attachment}{$name} = undef; 1023 $obj->{_attachment}{$name} = undef;
704} 1024}
705 1025
… …
707 if (ref $_[0]) { 1027 if (ref $_[0]) {
708 _object_attach @_; 1028 _object_attach @_;
709 } else { 1029 } else {
710 _attach shift->_attach_registry, @_; 1030 _attach shift->_attach_registry, @_;
711 } 1031 }
1032 _recalc_want;
712}; 1033};
713 1034
714# all those should be optimised 1035# all those should be optimised
715sub cf::attachable::detach { 1036sub cf::attachable::detach {
716 my ($obj, $name) = @_; 1037 my ($obj, $name) = @_;
… …
719 delete $obj->{_attachment}{$name}; 1040 delete $obj->{_attachment}{$name};
720 reattach ($obj); 1041 reattach ($obj);
721 } else { 1042 } else {
722 Carp::croak "cannot, currently, detach class attachments"; 1043 Carp::croak "cannot, currently, detach class attachments";
723 } 1044 }
1045 _recalc_want;
724}; 1046};
725 1047
726sub cf::attachable::attached { 1048sub cf::attachable::attached {
727 my ($obj, $name) = @_; 1049 my ($obj, $name) = @_;
728 1050
… …
743 "; 1065 ";
744 die if $@; 1066 die if $@;
745} 1067}
746 1068
747our $override; 1069our $override;
748our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1070our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
749 1071
750sub override { 1072sub override {
751 $override = 1; 1073 $override = 1;
752 @invoke_results = (); 1074 @INVOKE_RESULTS = (@_);
753} 1075}
754 1076
755sub do_invoke { 1077sub do_invoke {
756 my $event = shift; 1078 my $event = shift;
757 my $callbacks = shift; 1079 my $callbacks = shift;
758 1080
759 @invoke_results = (); 1081 @INVOKE_RESULTS = ();
760 1082
761 local $override; 1083 local $override;
762 1084
763 for (@$callbacks) { 1085 for (@$callbacks) {
764 eval { &{$_->[1]} }; 1086 eval { &{$_->[1]} };
765 1087
766 if ($@) { 1088 if ($@) {
767 warn "$@";
768 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1089 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
769 override; 1090 override;
770 } 1091 }
771 1092
772 return 1 if $override; 1093 return 1 if $override;
773 } 1094 }
774 1095
775 0 1096 0
776} 1097}
777 1098
778=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1099=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
779 1100
780=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1101=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
781 1102
782Generate an object-specific event with the given arguments. 1103Generate an object-specific event with the given arguments.
783 1104
784This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1105This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
785removed in future versions), and there is no public API to access override 1106removed in future versions), and there is no public API to access override
786results (if you must, access C<@cf::invoke_results> directly). 1107results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787 1108
788=back 1109=back
789 1110
790=cut 1111=cut
791 1112
792############################################################################# 1113#############################################################################
793# object support 1114# object support
1115
1116sub _object_equal($$);
1117sub _object_equal($$) {
1118 my ($a, $b) = @_;
1119
1120 return 0 unless (ref $a) eq (ref $b);
1121
1122 if ("HASH" eq ref $a) {
1123 my @ka = keys %$a;
1124 my @kb = keys %$b;
1125
1126 return 0 if @ka != @kb;
1127
1128 for (0 .. $#ka) {
1129 return 0 unless $ka[$_] eq $kb[$_];
1130 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1131 }
1132
1133 } elsif ("ARRAY" eq ref $a) {
1134
1135 return 0 if @$a != @$b;
1136
1137 for (0 .. $#$a) {
1138 return 0 unless _object_equal $a->[$_], $b->[$_];
1139 }
1140
1141 } elsif ($a ne $b) {
1142 return 0;
1143 }
1144
1145 1
1146}
1147
1148our $SLOW_MERGES;#d#
1149sub _can_merge {
1150 my ($ob1, $ob2) = @_;
1151
1152 ++$SLOW_MERGES;#d#
1153
1154 # we do the slow way here
1155 return _object_equal $ob1, $ob2
1156}
794 1157
795sub reattach { 1158sub reattach {
796 # basically do the same as instantiate, without calling instantiate 1159 # basically do the same as instantiate, without calling instantiate
797 my ($obj) = @_; 1160 my ($obj) = @_;
1161
1162 # no longer needed after getting rid of delete_package?
1163 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798 1164
799 my $registry = $obj->registry; 1165 my $registry = $obj->registry;
800 1166
801 @$registry = (); 1167 @$registry = ();
802 1168
… …
807 for (@$attach) { 1173 for (@$attach) {
808 my ($klass, @attach) = @$_; 1174 my ($klass, @attach) = @$_;
809 _attach $registry, $klass, @attach; 1175 _attach $registry, $klass, @attach;
810 } 1176 }
811 } else { 1177 } else {
812 warn "object uses attachment '$name' that is not available, postponing.\n"; 1178 info "object uses attachment '$name' that is not available, postponing.\n";
813 } 1179 }
814 } 1180 }
815} 1181}
816 1182
817cf::attachable->attach ( 1183cf::attachable->attach (
818 prio => -1000000, 1184 prio => -1000000,
819 on_instantiate => sub { 1185 on_instantiate => sub {
820 my ($obj, $data) = @_; 1186 my ($obj, $data) = @_;
821 1187
822 $data = from_json $data; 1188 $data = decode_json $data;
823 1189
824 for (@$data) { 1190 for (@$data) {
825 my ($name, $args) = @$_; 1191 my ($name, $args) = @$_;
826 1192
827 $obj->attach ($name, %{$args || {} }); 1193 $obj->attach ($name, %{$args || {} });
… …
843sub object_freezer_save { 1209sub object_freezer_save {
844 my ($filename, $rdata, $objs) = @_; 1210 my ($filename, $rdata, $objs) = @_;
845 1211
846 sync_job { 1212 sync_job {
847 if (length $$rdata) { 1213 if (length $$rdata) {
1214 utf8::decode (my $decname = $filename);
848 warn sprintf "saving %s (%d,%d)\n", 1215 trace sprintf "saving %s (%d,%d)\n",
849 $filename, length $$rdata, scalar @$objs; 1216 $decname, length $$rdata, scalar @$objs
1217 if $VERBOSE_IO;
850 1218
851 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1219 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852 chmod SAVE_MODE, $fh; 1220 aio_chmod $fh, SAVE_MODE;
853 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1221 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1222 if ($cf::USE_FSYNC) {
1223 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;
854 aio_fsync $fh; 1224 aio_fsync $fh;
1225 }
855 close $fh; 1226 aio_close $fh;
856 1227
857 if (@$objs) { 1228 if (@$objs) {
858 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1229 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859 chmod SAVE_MODE, $fh; 1230 aio_chmod $fh, SAVE_MODE;
860 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1231 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
861 aio_write $fh, 0, (length $data), $data, 0; 1232 aio_write $fh, 0, (length $data), $data, 0;
1233 if ($cf::USE_FSYNC) {
1234 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;
862 aio_fsync $fh; 1235 aio_fsync $fh;
1236 }
863 close $fh; 1237 aio_close $fh;
864 aio_rename "$filename.pst~", "$filename.pst"; 1238 aio_rename "$filename.pst~", "$filename.pst";
865 } 1239 }
866 } else { 1240 } else {
867 aio_unlink "$filename.pst"; 1241 aio_unlink "$filename.pst";
868 } 1242 }
869 1243
870 aio_rename "$filename~", $filename; 1244 aio_rename "$filename~", $filename;
1245
1246 $filename =~ s%/[^/]+$%%;
1247 aio_pathsync $filename if $cf::USE_FSYNC;
871 } else { 1248 } else {
872 warn "FATAL: $filename~: $!\n"; 1249 error "unable to save objects: $filename~: $!\n";
873 } 1250 }
874 } else { 1251 } else {
875 aio_unlink $filename; 1252 aio_unlink $filename;
876 aio_unlink "$filename.pst"; 1253 aio_unlink "$filename.pst";
877 } 1254 }
878 } 1255 };
879} 1256}
880 1257
881sub object_freezer_as_string { 1258sub object_freezer_as_string {
882 my ($rdata, $objs) = @_; 1259 my ($rdata, $objs) = @_;
883 1260
… …
895 or return; 1272 or return;
896 1273
897 unless (aio_stat "$filename.pst") { 1274 unless (aio_stat "$filename.pst") {
898 (aio_load "$filename.pst", $av) >= 0 1275 (aio_load "$filename.pst", $av) >= 0
899 or return; 1276 or return;
1277
900 $av = eval { (Storable::thaw $av)->{objs} }; 1278 my $st = eval { Coro::Storable::thaw $av };
1279 $av = $st->{objs};
901 } 1280 }
902 1281
1282 utf8::decode (my $decname = $filename);
903 warn sprintf "loading %s (%d)\n", 1283 trace sprintf "loading %s (%d,%d)\n",
904 $filename, length $data, scalar @{$av || []};#d# 1284 $decname, length $data, scalar @{$av || []}
1285 if $VERBOSE_IO;
1286
905 return ($data, $av); 1287 ($data, $av)
906} 1288}
1289
1290=head2 COMMAND CALLBACKS
1291
1292=over 4
1293
1294=cut
907 1295
908############################################################################# 1296#############################################################################
909# command handling &c 1297# command handling &c
910 1298
911=item cf::register_command $name => \&callback($ob,$args); 1299=item cf::register_command $name => \&callback($ob,$args);
… …
924 push @{ $COMMAND{$name} }, [$caller, $cb]; 1312 push @{ $COMMAND{$name} }, [$caller, $cb];
925} 1313}
926 1314
927=item cf::register_extcmd $name => \&callback($pl,$packet); 1315=item cf::register_extcmd $name => \&callback($pl,$packet);
928 1316
929Register a callbackf ro execution when the client sends an extcmd packet. 1317Register a callback for execution when the client sends an (synchronous)
1318extcmd packet. Ext commands will be processed in the order they are
1319received by the server, like other user commands. The first argument is
1320the logged-in player. Ext commands can only be processed after a player
1321has logged in successfully.
930 1322
931If the callback returns something, it is sent back as if reply was being 1323If the callback returns something, it is sent back as if reply was being
932called. 1324called.
933 1325
1326=item cf::register_exticmd $name => \&callback($ns,$packet);
1327
1328Register a callback for execution when the client sends an (asynchronous)
1329exticmd packet. Exti commands are processed by the server as soon as they
1330are received, i.e. out of order w.r.t. other commands. The first argument
1331is a client socket. Exti commands can be received anytime, even before
1332log-in.
1333
1334If the callback returns something, it is sent back as if reply was being
1335called.
1336
934=cut 1337=cut
935 1338
936sub register_extcmd { 1339sub register_extcmd {
937 my ($name, $cb) = @_; 1340 my ($name, $cb) = @_;
938 1341
939 my $caller = caller;
940 #warn "registering extcmd '$name' to '$caller'";
941
942 $EXTCMD{$name} = [$cb, $caller]; 1342 $EXTCMD{$name} = $cb;
943} 1343}
1344
1345sub register_exticmd {
1346 my ($name, $cb) = @_;
1347
1348 $EXTICMD{$name} = $cb;
1349}
1350
1351use File::Glob ();
944 1352
945cf::player->attach ( 1353cf::player->attach (
946 on_command => sub { 1354 on_unknown_command => sub {
947 my ($pl, $name, $params) = @_; 1355 my ($pl, $name, $params) = @_;
948 1356
949 my $cb = $COMMAND{$name} 1357 my $cb = $COMMAND{$name}
950 or return; 1358 or return;
951 1359
… …
956 cf::override; 1364 cf::override;
957 }, 1365 },
958 on_extcmd => sub { 1366 on_extcmd => sub {
959 my ($pl, $buf) = @_; 1367 my ($pl, $buf) = @_;
960 1368
961 my $msg = eval { from_json $buf }; 1369 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962 1370
963 if (ref $msg) { 1371 if (ref $msg) {
1372 my ($type, $reply, @payload) =
1373 "ARRAY" eq ref $msg
1374 ? @$msg
1375 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1376
1377 my @reply;
1378
964 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1379 if (my $cb = $EXTCMD{$type}) {
965 if (my %reply = $cb->[0]->($pl, $msg)) { 1380 @reply = $cb->($pl, @payload);
966 $pl->ext_reply ($msg->{msgid}, %reply);
967 }
968 } 1381 }
1382
1383 $pl->ext_reply ($reply, @reply)
1384 if $reply;
1385
969 } else { 1386 } else {
970 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1387 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971 } 1388 }
972 1389
973 cf::override; 1390 cf::override;
974 }, 1391 },
975); 1392);
976 1393
977sub register { 1394# "readahead" all extensions
978 my ($base, $pkg) = @_;
979
980 #TODO
981}
982
983sub load_extension { 1395sub cache_extensions {
984 my ($path) = @_; 1396 my $grp = IO::AIO::aio_group;
985 1397
986 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1398 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987 my $base = $1; 1399 for (grep /\.ext$/, @{$_[0]}) {
988 my $pkg = $1; 1400 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989 $pkg =~ s/[^[:word:]]/_/g;
990 $pkg = "ext::$pkg";
991
992 warn "loading '$path' into '$pkg'\n";
993
994 open my $fh, "<:utf8", $path
995 or die "$path: $!";
996
997 my $source =
998 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> })
1001 . "\n};\n1";
1002
1003 eval $source
1004 or die $@ ? "$path: $@\n"
1005 : "extension disabled.\n";
1006
1007 push @exts, $pkg;
1008 $ext_pkg{$base} = $pkg;
1009
1010# no strict 'refs';
1011# @{"$pkg\::ISA"} = ext::;
1012
1013 register $base, $pkg;
1014}
1015
1016sub unload_extension {
1017 my ($pkg) = @_;
1018
1019 warn "removing extension $pkg\n";
1020
1021 # remove hooks
1022 #TODO
1023# for my $idx (0 .. $#PLUGIN_EVENT) {
1024# delete $hook[$idx]{$pkg};
1025# }
1026
1027 # remove commands
1028 for my $name (keys %COMMAND) {
1029 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031 if (@cb) {
1032 $COMMAND{$name} = \@cb;
1033 } else {
1034 delete $COMMAND{$name};
1035 } 1401 }
1036 } 1402 };
1037 1403
1038 # remove extcmds 1404 $grp
1039 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040 delete $EXTCMD{$name};
1041 }
1042
1043 if (my $cb = $pkg->can ("unload")) {
1044 eval {
1045 $cb->($pkg);
1046 1
1047 } or warn "$pkg unloaded, but with errors: $@";
1048 }
1049
1050 Symbol::delete_package $pkg;
1051} 1405}
1052 1406
1053sub load_extensions { 1407sub load_extensions {
1408 info "loading extensions...";
1409
1410 cf::sync_job {
1411 my %todo;
1412
1054 for my $ext (<$LIBDIR/*.ext>) { 1413 for my $path (<$LIBDIR/*.ext>) {
1055 next unless -r $ext; 1414 next unless -r $path;
1056 eval { 1415
1057 load_extension $ext; 1416 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1417 my $base = $1;
1418 my $pkg = $1;
1419 $pkg =~ s/[^[:word:]]/_/g;
1420 $pkg = "ext::$pkg";
1421
1422 open my $fh, "<:utf8", $path
1423 or die "$path: $!";
1424
1425 my $source = do { local $/; <$fh> };
1426
1427 my %ext = (
1428 path => $path,
1429 base => $base,
1430 pkg => $pkg,
1431 );
1432
1433 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1434 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1435
1436 $ext{source} =
1437 "package $pkg; use common::sense;\n"
1438 . "#line 1 \"$path\"\n{\n"
1439 . $source
1440 . "\n};\n1";
1441
1442 $todo{$base} = \%ext;
1443 }
1444
1445 my $pass = 0;
1446 my %done;
1447 while (%todo) {
1448 my $progress;
1449
1450 ++$pass;
1451
1452 ext:
1453 while (my ($k, $v) = each %todo) {
1454 for (split /,\s*/, $v->{meta}{depends}) {
1455 next ext
1456 unless exists $done{$_};
1457 }
1458
1459 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1460
1461 my $active = eval $v->{source};
1462
1463 if (length $@) {
1464 error "$v->{path}: $@\n";
1465
1466 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1467 if exists $v->{meta}{mandatory};
1468
1469 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1470 delete $todo{$k};
1471 } else {
1472 $done{$k} = delete $todo{$k};
1473 push @EXTS, $v->{pkg};
1474 $progress = 1;
1475
1476 info "$v->{base}: extension inactive.\n"
1477 unless $active;
1478 }
1058 1 1479 }
1059 } or warn "$ext not loaded: $@"; 1480
1481 unless ($progress) {
1482 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1483
1484 while (my ($k, $v) = each %todo) {
1485 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1486 if exists $v->{meta}{mandatory};
1487 }
1488 }
1489 }
1060 } 1490 };
1061} 1491}
1062 1492
1063############################################################################# 1493#############################################################################
1064# load/save/clean perl data associated with a map
1065 1494
1066*cf::mapsupport::on_clean = sub { 1495=back
1496
1497=head2 CORE EXTENSIONS
1498
1499Functions and methods that extend core deliantra objects.
1500
1501=cut
1502
1503package cf::player;
1504
1505use Coro::AIO;
1506
1507=head3 cf::player
1508
1509=over 4
1510
1511=item cf::player::num_playing
1512
1513Returns the official number of playing players, as per the Crossfire metaserver rules.
1514
1515=cut
1516
1517sub num_playing {
1518 scalar grep
1519 $_->ob->map
1520 && !$_->hidden
1521 && !$_->ob->flag (cf::FLAG_WIZ),
1522 cf::player::list
1523}
1524
1525=item cf::player::find $login
1526
1527Returns the given player object, loading it if necessary (might block).
1528
1529=cut
1530
1531sub playerdir($) {
1532 "$PLAYERDIR/"
1533 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1534}
1535
1536sub path($) {
1537 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1538
1539 (playerdir $login) . "/playerdata"
1540}
1541
1542sub find_active($) {
1543 $cf::PLAYER{$_[0]}
1544 and $cf::PLAYER{$_[0]}->active
1545 and $cf::PLAYER{$_[0]}
1546}
1547
1548sub exists($) {
1067 my ($map) = @_; 1549 my ($login) = @_;
1068 1550
1069 my $path = $map->tmpname; 1551 $cf::PLAYER{$login}
1070 defined $path or return; 1552 or !aio_stat path $login
1071
1072 unlink "$path.pst";
1073};
1074
1075cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077#############################################################################
1078# load/save perl data associated with player->ob objects
1079
1080sub all_objects(@) {
1081 @_, map all_objects ($_->inv), @_
1082} 1553}
1083 1554
1084# TODO: compatibility cruft, remove when no longer needed 1555sub find($) {
1556 return $cf::PLAYER{$_[0]} || do {
1557 my $login = $_[0];
1558
1559 my $guard = cf::lock_acquire "user_find:$login";
1560
1561 $cf::PLAYER{$_[0]} || do {
1562 # rename old playerfiles to new ones
1563 #TODO: remove when no longer required
1564 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1565 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1566 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1567 aio_unlink +(playerdir $login) . "/$login.pl";
1568
1569 my $f = new_from_file cf::object::thawer path $login
1570 or return;
1571
1572 my $pl = cf::player::load_pl $f
1573 or return;
1574
1575 local $cf::PLAYER_LOADING{$login} = $pl;
1576 $f->resolve_delayed_derefs;
1577 $cf::PLAYER{$login} = $pl
1578 }
1579 }
1580}
1581
1085cf::player->attach ( 1582cf::player->attach (
1086 on_load => sub { 1583 on_load => sub {
1087 my ($pl, $path) = @_; 1584 my ($pl, $path) = @_;
1088 1585
1089 for my $o (all_objects $pl->ob) { 1586 # restore slots saved in save, below
1090 if (my $value = $o->get_ob_key_value ("_perl_data")) { 1587 my $slots = delete $pl->{_slots};
1091 $o->set_ob_key_value ("_perl_data");
1092 1588
1093 %$o = %{ Storable::thaw pack "H*", $value }; 1589 $pl->ob->current_weapon ($slots->[0]);
1094 } 1590 $pl->combat_ob ($slots->[1]);
1095 } 1591 $pl->ranged_ob ($slots->[2]);
1096 }, 1592 },
1097); 1593);
1098 1594
1099############################################################################# 1595sub save($) {
1596 my ($pl) = @_;
1100 1597
1101=head2 CORE EXTENSIONS 1598 return if $pl->{deny_save};
1102 1599
1103Functions and methods that extend core crossfire objects. 1600 my $path = path $pl;
1601 my $guard = cf::lock_acquire "user_save:$path";
1104 1602
1105=head3 cf::player 1603 return if $pl->{deny_save};
1604
1605 aio_mkdir playerdir $pl, 0770;
1606 $pl->{last_save} = $cf::RUNTIME;
1607
1608 cf::get_slot 0.01;
1609
1610 # save slots, to be restored later
1611 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1612
1613 $pl->save_pl ($path);
1614 cf::cede_to_tick;
1615}
1616
1617sub new($) {
1618 my ($login) = @_;
1619
1620 my $self = create;
1621
1622 $self->ob->name ($login);
1623 $self->{deny_save} = 1;
1624
1625 $cf::PLAYER{$login} = $self;
1626
1627 $self
1628}
1629
1630=item $player->send_msg ($channel, $msg, $color, [extra...])
1631
1632=cut
1633
1634sub send_msg {
1635 my $ns = shift->ns
1636 or return;
1637 $ns->send_msg (@_);
1638}
1639
1640=item $pl->quit_character
1641
1642Nukes the player without looking back. If logged in, the connection will
1643be destroyed. May block for a long time.
1644
1645=cut
1646
1647sub quit_character {
1648 my ($pl) = @_;
1649
1650 my $name = $pl->ob->name;
1651
1652 $pl->{deny_save} = 1;
1653 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1654
1655 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1656 $pl->deactivate;
1657
1658 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1659 ext::highscore::check ($pl->ob);
1660
1661 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1662 $pl->ns->destroy if $pl->ns;
1663
1664 my $path = playerdir $pl;
1665 my $temp = "$path~$cf::RUNTIME~deleting~";
1666 aio_rename $path, $temp;
1667 delete $cf::PLAYER{$pl->ob->name};
1668 $pl->destroy;
1669
1670 my $prefix = qr<^~\Q$name\E/>;
1671
1672 # nuke player maps
1673 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1674
1675 IO::AIO::aio_rmtree $temp;
1676}
1677
1678=item $pl->kick
1679
1680Kicks a player out of the game. This destroys the connection.
1681
1682=cut
1683
1684sub kick {
1685 my ($pl, $kicker) = @_;
1686
1687 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1688 $pl->killer ("kicked");
1689 $pl->ns->destroy;
1690}
1691
1692=item cf::player::list_logins
1693
1694Returns am arrayref of all valid playernames in the system, can take a
1695while and may block, so not sync_job-capable, ever.
1696
1697=cut
1698
1699sub list_logins {
1700 my $dirs = aio_readdir $PLAYERDIR
1701 or return [];
1702
1703 my @logins;
1704
1705 for my $login (@$dirs) {
1706 my $path = path $login;
1707
1708 # a .pst is a dead give-away for a valid player
1709 # if no pst file found, open and chekc for blocked users
1710 if (aio_stat "$path.pst") {
1711 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1712 aio_read $fh, 0, 512, my $buf, 0 or next;
1713 $buf !~ /^password -------------$/m or next; # official not-valid tag
1714 }
1715
1716 utf8::decode $login;
1717 push @logins, $login;
1718 }
1719
1720 \@logins
1721}
1722
1723=item $player->maps
1724
1725=item cf::player::maps $login
1726
1727Returns an arrayref of map paths that are private for this
1728player. May block.
1729
1730=cut
1731
1732sub maps($) {
1733 my ($pl) = @_;
1734
1735 $pl = ref $pl ? $pl->ob->name : $pl;
1736
1737 my $files = aio_readdir playerdir $pl
1738 or return;
1739
1740 my @paths;
1741
1742 for (@$files) {
1743 utf8::decode $_;
1744 next if /\.(?:pl|pst)$/;
1745 next unless /^$PATH_SEP/o;
1746
1747 push @paths, cf::map::normalise "~$pl/$_";
1748 }
1749
1750 \@paths
1751}
1752
1753=item $protocol_xml = $player->expand_cfpod ($cfpod)
1754
1755Expand deliantra pod fragments into protocol xml.
1756
1757=item $player->ext_reply ($msgid, @msg)
1758
1759Sends an ext reply to the player.
1760
1761=cut
1762
1763sub ext_reply($$@) {
1764 my ($self, $id, @msg) = @_;
1765
1766 $self->ns->ext_reply ($id, @msg)
1767}
1768
1769=item $player->ext_msg ($type, @msg)
1770
1771Sends an ext event to the client.
1772
1773=cut
1774
1775sub ext_msg($$@) {
1776 my ($self, $type, @msg) = @_;
1777
1778 $self->ns->ext_msg ($type, @msg);
1779}
1780
1781=head3 cf::region
1106 1782
1107=over 4 1783=over 4
1108 1784
1109=item cf::player::exists $login
1110
1111Returns true when the given account exists.
1112
1113=cut 1785=cut
1114 1786
1115sub cf::player::exists($) { 1787package cf::region;
1116 cf::player::find $_[0]
1117 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118}
1119 1788
1120=item $player->ext_reply ($msgid, $msgtype, %msg) 1789=item cf::region::find_by_path $path
1121 1790
1122Sends an ext reply to the player. 1791Tries to decuce the likely region for a map knowing only its path.
1123 1792
1124=cut 1793=cut
1125 1794
1126sub cf::player::ext_reply($$$%) { 1795sub find_by_path($) {
1127 my ($self, $id, %msg) = @_; 1796 my ($path) = @_;
1128 1797
1129 $msg{msgid} = $id; 1798 $path =~ s/^~[^\/]*//; # skip ~login
1130 1799
1131 $self->send ("ext " . to_json \%msg); 1800 my ($match, $specificity);
1801
1802 for my $region (list) {
1803 if ($region->{match} && $path =~ $region->{match}) {
1804 ($match, $specificity) = ($region, $region->specificity)
1805 if $region->specificity > $specificity;
1806 }
1807 }
1808
1809 $match
1132} 1810}
1133 1811
1134=back 1812=back
1135
1136 1813
1137=head3 cf::map 1814=head3 cf::map
1138 1815
1139=over 4 1816=over 4
1140 1817
… …
1143package cf::map; 1820package cf::map;
1144 1821
1145use Fcntl; 1822use Fcntl;
1146use Coro::AIO; 1823use Coro::AIO;
1147 1824
1825use overload
1826 '""' => \&as_string,
1827 fallback => 1;
1828
1148our $MAX_RESET = 3600; 1829our $MAX_RESET = 3600;
1149our $DEFAULT_RESET = 3000; 1830our $DEFAULT_RESET = 3000;
1150 1831
1151sub generate_random_map { 1832sub generate_random_map {
1152 my ($path, $rmp) = @_; 1833 my ($self, $rmp) = @_;
1834
1835 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1153 1836
1154 # mit "rum" bekleckern, nicht 1837 # mit "rum" bekleckern, nicht
1155 cf::map::_create_random_map 1838 $self->_create_random_map (
1156 $path,
1157 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1839 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1840 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1159 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1841 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160 $rmp->{exit_on_final_map}, 1842 $rmp->{exit_on_final_map},
1161 $rmp->{xsize}, $rmp->{ysize}, 1843 $rmp->{xsize}, $rmp->{ysize},
1162 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1844 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1845 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1846 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1847 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1848 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167 (cf::region::find $rmp->{region}) 1849 (cf::region::find $rmp->{region}), $rmp->{custom}
1850 )
1168} 1851}
1169 1852
1170# and all this just because we cannot iterate over 1853=item cf::map->register ($regex, $prio)
1171# all maps in C++...
1172sub change_all_map_light {
1173 my ($change) = @_;
1174 1854
1175 $_->change_map_light ($change) 1855Register a handler for the map path matching the given regex at the
1176 for grep $_->outdoor, values %cf::MAP; 1856givne priority (higher is better, built-in handlers have priority 0, the
1177} 1857default).
1178 1858
1179sub try_load_header($) { 1859=cut
1860
1861sub register {
1862 my (undef, $regex, $prio) = @_;
1863 my $pkg = caller;
1864
1865 push @{"$pkg\::ISA"}, __PACKAGE__;
1866
1867 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1868}
1869
1870# also paths starting with '/'
1871$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1872
1873sub thawer_merge {
1874 my ($self, $merge) = @_;
1875
1876 # we have to keep some variables in memory intact
1877 local $self->{path};
1878 local $self->{load_path};
1879
1880 $self->SUPER::thawer_merge ($merge);
1881}
1882
1883sub normalise {
1180 my ($path) = @_; 1884 my ($path, $base) = @_;
1885
1886 $path = "$path"; # make sure it's a string
1887
1888 $path =~ s/\.map$//;
1889
1890 # map plan:
1891 #
1892 # /! non-realised random map exit (special hack!)
1893 # {... are special paths that are not being touched
1894 # ?xxx/... are special absolute paths
1895 # ?random/... random maps
1896 # /... normal maps
1897 # ~user/... per-player map of a specific user
1898
1899 $path =~ s/$PATH_SEP/\//go;
1900
1901 # treat it as relative path if it starts with
1902 # something that looks reasonable
1903 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1904 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1905
1906 $base =~ s{[^/]+/?$}{};
1907 $path = "$base/$path";
1908 }
1909
1910 for ($path) {
1911 redo if s{//}{/};
1912 redo if s{/\.?/}{/};
1913 redo if s{/[^/]+/\.\./}{/};
1914 }
1915
1916 $path
1917}
1918
1919sub new_from_path {
1920 my (undef, $path, $base) = @_;
1921
1922 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1923
1924 $path = normalise $path, $base;
1925
1926 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1927 if ($path =~ $EXT_MAP{$pkg}[1]) {
1928 my $self = bless cf::map::new, $pkg;
1929 $self->{path} = $path; $self->path ($path);
1930 $self->init; # pass $1 etc.
1931 return $self;
1932 }
1933 }
1934
1935 Carp::cluck "unable to resolve path '$path' (base '$base')";
1936 ()
1937}
1938
1939sub init {
1940 my ($self) = @_;
1941
1942 $self
1943}
1944
1945sub as_string {
1946 my ($self) = @_;
1947
1948 "$self->{path}"
1949}
1950
1951# the displayed name, this is a one way mapping
1952sub visible_name {
1953 &as_string
1954}
1955
1956# the original (read-only) location
1957sub load_path {
1958 my ($self) = @_;
1959
1960 "$MAPDIR/$self->{path}.map"
1961}
1962
1963# the temporary/swap location
1964sub save_path {
1965 my ($self) = @_;
1966
1967 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1968 "$TMPDIR/$path.map"
1969}
1970
1971# the unique path, undef == no special unique path
1972sub uniq_path {
1973 my ($self) = @_;
1974
1975 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1976 "$UNIQUEDIR/$path"
1977}
1978
1979sub decay_objects {
1980 my ($self) = @_;
1981
1982 return if $self->{deny_reset};
1983
1984 $self->do_decay_objects;
1985}
1986
1987sub unlink_save {
1988 my ($self) = @_;
1989
1990 utf8::encode (my $save = $self->save_path);
1991 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1992 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1993}
1994
1995sub load_header_from($) {
1996 my ($self, $path) = @_;
1181 1997
1182 utf8::encode $path; 1998 utf8::encode $path;
1183 aio_open $path, O_RDONLY, 0 1999 my $f = new_from_file cf::object::thawer $path
1184 or return; 2000 or return;
1185 2001
1186 my $map = cf::map::new 2002 $self->_load_header ($f)
1187 or return; 2003 or return;
1188 2004
1189 $map->load_header ($path) 2005 local $MAP_LOADING{$self->{path}} = $self;
2006 $f->resolve_delayed_derefs;
2007
2008 $self->{load_path} = $path;
2009
2010 1
2011}
2012
2013sub load_header_orig {
2014 my ($self) = @_;
2015
2016 $self->load_header_from ($self->load_path)
2017}
2018
2019sub load_header_temp {
2020 my ($self) = @_;
2021
2022 $self->load_header_from ($self->save_path)
2023}
2024
2025sub prepare_temp {
2026 my ($self) = @_;
2027
2028 $self->last_access ((delete $self->{last_access})
2029 || $cf::RUNTIME); #d#
2030 # safety
2031 $self->{instantiate_time} = $cf::RUNTIME
2032 if $self->{instantiate_time} > $cf::RUNTIME;
2033}
2034
2035sub prepare_orig {
2036 my ($self) = @_;
2037
2038 $self->{load_original} = 1;
2039 $self->{instantiate_time} = $cf::RUNTIME;
2040 $self->last_access ($cf::RUNTIME);
2041 $self->instantiate;
2042}
2043
2044sub load_header {
2045 my ($self) = @_;
2046
2047 if ($self->load_header_temp) {
2048 $self->prepare_temp;
2049 } else {
2050 $self->load_header_orig
1190 or return; 2051 or return;
2052 $self->prepare_orig;
2053 }
1191 2054
1192 $map->{load_path} = $path; 2055 $self->{deny_reset} = 1
2056 if $self->no_reset;
1193 2057
1194 $map 2058 $self->default_region (cf::region::find_by_path $self->{path})
2059 unless $self->default_region;
2060
2061 1
1195} 2062}
1196 2063
1197sub find; 2064sub find;
1198sub find { 2065sub find {
1199 my ($path, $origin) = @_; 2066 my ($path, $origin) = @_;
1200 2067
1201 #warn "find<$path,$origin>\n";#d# 2068 cf::cede_to_tick;
1202 2069
1203 $path = new cf::path $path, $origin && $origin->path; 2070 $path = normalise $path, $origin && $origin->path;
1204 my $key = $path->as_string;
1205 2071
1206 cf::lock_wait "map_find:$key"; 2072 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1207
1208 $cf::MAP{$key} || do {
1209 my $guard = cf::lock_acquire "map_find:$key"; 2073 my $guard2 = cf::lock_acquire "map_find:$path";
1210 2074
1211 # do it the slow way 2075 $cf::MAP{$path} || do {
1212 my $map = try_load_header $path->save_path; 2076 my $map = new_from_path cf::map $path
1213
1214 if ($map) {
1215 $map->last_access ((delete $map->{last_access})
1216 || $cf::RUNTIME); #d#
1217 # safety
1218 $map->{instantiate_time} = $cf::RUNTIME
1219 if $map->{instantiate_time} > $cf::RUNTIME;
1220 } else {
1221 if (my $rmp = $path->random_map_params) {
1222 $map = generate_random_map $key, $rmp;
1223 } else {
1224 $map = try_load_header $path->load_path;
1225 }
1226
1227 $map or return; 2077 or return;
1228 2078
1229 $map->{load_original} = 1;
1230 $map->{instantiate_time} = $cf::RUNTIME;
1231 $map->last_access ($cf::RUNTIME);
1232 $map->instantiate;
1233
1234 # per-player maps become, after loading, normal maps
1235 $map->per_player (0) if $path->{user_rel};
1236 }
1237
1238 $map->path ($key);
1239 $map->{path} = $path;
1240 $map->{last_save} = $cf::RUNTIME; 2079 $map->{last_save} = $cf::RUNTIME;
1241 2080
1242 if ($map->should_reset) { 2081 $map->load_header
2082 or return;
2083
2084 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2085 # doing this can freeze the server in a sync job, obviously
2086 #$cf::WAIT_FOR_TICK->wait;
2087 undef $guard2;
2088 undef $guard1;
1243 $map->reset; 2089 $map->reset;
1244 undef $guard;
1245 $map = find $path 2090 return find $path;
1246 or return;
1247 } 2091 }
1248 2092
1249 $cf::MAP{$key} = $map 2093 $cf::MAP{$path} = $map
1250 } 2094 }
1251} 2095}
2096
2097sub pre_load { }
2098#sub post_load { } # XS
1252 2099
1253sub load { 2100sub load {
1254 my ($self) = @_; 2101 my ($self) = @_;
1255 2102
2103 local $self->{deny_reset} = 1; # loading can take a long time
2104
1256 my $path = $self->{path}; 2105 my $path = $self->{path};
2106
2107 {
1257 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2108 my $guard = cf::lock_acquire "map_data:$path";
1258 2109
2110 return unless $self->valid;
1259 return if $self->in_memory != cf::MAP_SWAPPED; 2111 return unless $self->in_memory == cf::MAP_SWAPPED;
1260 2112
1261 $self->in_memory (cf::MAP_LOADING); 2113 $self->in_memory (cf::MAP_LOADING);
1262 2114
1263 $self->alloc; 2115 $self->alloc;
1264 $self->load_objects ($self->{load_path}, 1) 2116
2117 $self->pre_load;
2118 cf::cede_to_tick;
2119
2120 my $f = new_from_file cf::object::thawer $self->{load_path};
2121 $f->skip_block;
2122 $self->_load_objects ($f)
1265 or return; 2123 or return;
1266 2124
1267 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2125 $self->post_load_original
1268 if delete $self->{load_original}; 2126 if delete $self->{load_original};
1269 2127
1270 if (my $uniq = $path->uniq_path) { 2128 if (my $uniq = $self->uniq_path) {
1271 utf8::encode $uniq; 2129 utf8::encode $uniq;
1272 if (aio_open $uniq, O_RDONLY, 0) { 2130 unless (aio_stat $uniq) {
2131 if (my $f = new_from_file cf::object::thawer $uniq) {
1273 $self->clear_unique_items; 2132 $self->clear_unique_items;
1274 $self->load_objects ($uniq, 0); 2133 $self->_load_objects ($f);
2134 $f->resolve_delayed_derefs;
2135 }
1275 } 2136 }
1276 } 2137 }
1277 2138
2139 $f->resolve_delayed_derefs;
2140
2141 cf::cede_to_tick;
1278 # now do the right thing for maps 2142 # now do the right thing for maps
1279 $self->link_multipart_objects; 2143 $self->link_multipart_objects;
1280
1281 if ($self->{path}->is_style_map) {
1282 $self->{deny_save} = 1;
1283 $self->{deny_reset} = 1;
1284 } else {
1285 $self->fix_auto_apply;
1286 $self->decay_objects;
1287 $self->update_buttons;
1288 $self->set_darkness_map;
1289 $self->difficulty ($self->estimate_difficulty) 2144 $self->difficulty ($self->estimate_difficulty)
1290 unless $self->difficulty; 2145 unless $self->difficulty;
2146 cf::cede_to_tick;
2147
2148 unless ($self->{deny_activate}) {
2149 $self->decay_objects;
2150 $self->fix_auto_apply;
2151 $self->update_buttons;
2152 cf::cede_to_tick;
1291 $self->activate; 2153 $self->activate;
1292 } 2154 }
1293 2155
2156 $self->{last_save} = $cf::RUNTIME;
2157 $self->last_access ($cf::RUNTIME);
2158
1294 $self->in_memory (cf::MAP_IN_MEMORY); 2159 $self->in_memory (cf::MAP_ACTIVE);
2160 }
2161
2162 $self->post_load;
2163}
2164
2165# customize the map for a given player, i.e.
2166# return the _real_ map. used by e.g. per-player
2167# maps to change the path to ~playername/mappath
2168sub customise_for {
2169 my ($self, $ob) = @_;
2170
2171 return find "~" . $ob->name . "/" . $self->{path}
2172 if $self->per_player;
2173
2174# return find "?party/" . $ob->name . "/" . $self->{path}
2175# if $self->per_party;
2176
2177 $self
2178}
2179
2180# find and load all maps in the 3x3 area around a map
2181sub load_neighbours {
2182 my ($map) = @_;
2183
2184 my @neigh; # diagonal neighbours
2185
2186 for (0 .. 3) {
2187 my $neigh = $map->tile_path ($_)
2188 or next;
2189 $neigh = find $neigh, $map
2190 or next;
2191 $neigh->load;
2192
2193 # now find the diagonal neighbours
2194 push @neigh,
2195 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2196 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2197 }
2198
2199 for (grep defined $_->[0], @neigh) {
2200 my ($path, $origin) = @$_;
2201 my $neigh = find $path, $origin
2202 or next;
2203 $neigh->load;
2204 }
1295} 2205}
1296 2206
1297sub find_sync { 2207sub find_sync {
1298 my ($path, $origin) = @_; 2208 my ($path, $origin) = @_;
1299 2209
1300 cf::sync_job { cf::map::find $path, $origin } 2210 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2211 if $Coro::current == $Coro::main;
2212
2213 find $path, $origin
1301} 2214}
1302 2215
1303sub do_load_sync { 2216sub do_load_sync {
1304 my ($map) = @_; 2217 my ($map) = @_;
1305 2218
1306 cf::sync_job { $map->load }; 2219 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2220 if $Coro::current == $Coro::main;
2221
2222 $map->load;
2223}
2224
2225our %MAP_PREFETCH;
2226our $MAP_PREFETCHER = undef;
2227
2228sub find_async {
2229 my ($path, $origin, $load) = @_;
2230
2231 $path = normalise $path, $origin && $origin->{path};
2232
2233 if (my $map = $cf::MAP{$path}) {
2234 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2235 }
2236
2237 $MAP_PREFETCH{$path} |= $load;
2238
2239 $MAP_PREFETCHER ||= cf::async {
2240 $Coro::current->{desc} = "map prefetcher";
2241
2242 while (%MAP_PREFETCH) {
2243 while (my ($k, $v) = each %MAP_PREFETCH) {
2244 if (my $map = find $k) {
2245 $map->load if $v;
2246 }
2247
2248 delete $MAP_PREFETCH{$k};
2249 }
2250 }
2251 undef $MAP_PREFETCHER;
2252 };
2253 $MAP_PREFETCHER->prio (6);
2254
2255 ()
2256}
2257
2258# common code, used by both ->save and ->swapout
2259sub _save {
2260 my ($self) = @_;
2261
2262 $self->{last_save} = $cf::RUNTIME;
2263
2264 return unless $self->dirty;
2265
2266 my $save = $self->save_path; utf8::encode $save;
2267 my $uniq = $self->uniq_path; utf8::encode $uniq;
2268
2269 $self->{load_path} = $save;
2270
2271 return if $self->{deny_save};
2272
2273 local $self->{last_access} = $self->last_access;#d#
2274
2275 cf::async {
2276 $Coro::current->{desc} = "map player save";
2277 $_->contr->save for $self->players;
2278 };
2279
2280 cf::get_slot 0.02;
2281
2282 if ($uniq) {
2283 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2284 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2285 } else {
2286 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2287 }
1307} 2288}
1308 2289
1309sub save { 2290sub save {
1310 my ($self) = @_; 2291 my ($self) = @_;
1311 2292
1312 $self->{last_save} = $cf::RUNTIME; 2293 my $lock = cf::lock_acquire "map_data:$self->{path}";
1313 2294
1314 return unless $self->dirty; 2295 $self->_save;
1315
1316 my $save = $self->{path}->save_path; utf8::encode $save;
1317 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1318
1319 $self->{load_path} = $save;
1320
1321 return if $self->{deny_save};
1322
1323 local $self->{last_access} = $self->last_access;#d#
1324
1325 if ($uniq) {
1326 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327 $self->save_objects ($uniq, cf::IO_UNIQUES);
1328 } else {
1329 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330 }
1331} 2296}
1332 2297
1333sub swap_out { 2298sub swap_out {
1334 my ($self) = @_; 2299 my ($self) = @_;
1335 2300
1336 # save first because save cedes 2301 my $lock = cf::lock_acquire "map_data:$self->{path}";
1337 $self->save;
1338 2302
2303 return if $self->in_memory != cf::MAP_ACTIVE;
2304 return if $self->{deny_save};
1339 return if $self->players; 2305 return if $self->players;
1340 return if $self->in_memory != cf::MAP_IN_MEMORY;
1341 return if $self->{deny_save};
1342 2306
2307 # first deactivate the map and "unlink" it from the core
2308 $self->deactivate;
2309 $_->clear_links_to ($self) for values %cf::MAP;
2310 $self->in_memory (cf::MAP_SWAPPED);
2311
2312 # then atomically save
2313 $self->_save;
2314
2315 # then free the map
1343 $self->clear; 2316 $self->clear;
1344 $self->in_memory (cf::MAP_SWAPPED);
1345} 2317}
1346 2318
1347sub reset_at { 2319sub reset_at {
1348 my ($self) = @_; 2320 my ($self) = @_;
1349 2321
1350 # TODO: safety, remove and allow resettable per-player maps 2322 # TODO: safety, remove and allow resettable per-player maps
1351 return 1e99 if $self->{path}{user_rel};
1352 return 1e99 if $self->{deny_reset}; 2323 return 1e99 if $self->{deny_reset};
1353 2324
1354 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2325 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2326 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356 2327
… …
1361 my ($self) = @_; 2332 my ($self) = @_;
1362 2333
1363 $self->reset_at <= $cf::RUNTIME 2334 $self->reset_at <= $cf::RUNTIME
1364} 2335}
1365 2336
1366sub unlink_save {
1367 my ($self) = @_;
1368
1369 utf8::encode (my $save = $self->{path}->save_path);
1370 aioreq_pri 3; IO::AIO::aio_unlink $save;
1371 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372}
1373
1374sub rename {
1375 my ($self, $new_path) = @_;
1376
1377 $self->unlink_save;
1378
1379 delete $cf::MAP{$self->path};
1380 $self->{path} = new cf::path $new_path;
1381 $self->path ($self->{path}->as_string);
1382 $cf::MAP{$self->path} = $self;
1383
1384 $self->save;
1385}
1386
1387sub reset { 2337sub reset {
1388 my ($self) = @_; 2338 my ($self) = @_;
1389 2339
2340 my $lock = cf::lock_acquire "map_data:$self->{path}";
2341
1390 return if $self->players; 2342 return if $self->players;
1391 return if $self->{path}{user_rel};#d#
1392 2343
1393 warn "resetting map ", $self->path;#d# 2344 cf::trace "resetting map ", $self->path, "\n";
2345
2346 $self->in_memory (cf::MAP_SWAPPED);
2347
2348 # need to save uniques path
2349 unless ($self->{deny_save}) {
2350 my $uniq = $self->uniq_path; utf8::encode $uniq;
2351
2352 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2353 if $uniq;
2354 }
1394 2355
1395 delete $cf::MAP{$self->path}; 2356 delete $cf::MAP{$self->path};
1396 2357
2358 $self->deactivate;
1397 $_->clear_links_to ($self) for values %cf::MAP; 2359 $_->clear_links_to ($self) for values %cf::MAP;
2360 $self->clear;
1398 2361
1399 $self->unlink_save; 2362 $self->unlink_save;
1400 $self->destroy; 2363 $self->destroy;
1401} 2364}
1402 2365
1403my $nuke_counter = "aaaa"; 2366my $nuke_counter = "aaaa";
1404 2367
1405sub nuke { 2368sub nuke {
1406 my ($self) = @_; 2369 my ($self) = @_;
1407 2370
2371 {
2372 my $lock = cf::lock_acquire "map_data:$self->{path}";
2373
2374 delete $cf::MAP{$self->path};
2375
2376 $self->unlink_save;
2377
2378 bless $self, "cf::map::wrap";
2379 delete $self->{deny_reset};
1408 $self->{deny_save} = 1; 2380 $self->{deny_save} = 1;
1409 $self->reset_timeout (1); 2381 $self->reset_timeout (1);
1410 $self->rename ("{nuke}/" . ($nuke_counter++)); 2382 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2383
2384 $cf::MAP{$self->path} = $self;
2385 }
2386
1411 $self->reset; # polite request, might not happen 2387 $self->reset; # polite request, might not happen
1412} 2388}
1413 2389
1414sub customise_for { 2390=item $maps = cf::map::tmp_maps
1415 my ($map, $ob) = @_;
1416 2391
1417 if ($map->per_player) { 2392Returns an arrayref with all map paths of currently instantiated and saved
1418 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2393maps. May block.
2394
2395=cut
2396
2397sub tmp_maps() {
1419 } 2398 [
1420 2399 map {
1421 $map 2400 utf8::decode $_;
2401 /\.map$/
2402 ? normalise $_
2403 : ()
2404 } @{ aio_readdir $TMPDIR or [] }
2405 ]
1422} 2406}
1423 2407
1424sub emergency_save { 2408=item $maps = cf::map::random_maps
1425 my $freeze_guard = cf::freeze_mainloop;
1426 2409
1427 warn "enter emergency map save\n"; 2410Returns an arrayref with all map paths of currently instantiated and saved
2411random maps. May block.
1428 2412
1429 cf::sync_job { 2413=cut
1430 warn "begin emergency map save\n"; 2414
1431 $_->save for values %cf::MAP; 2415sub random_maps() {
2416 [
2417 map {
2418 utf8::decode $_;
2419 /\.map$/
2420 ? normalise "?random/$_"
2421 : ()
2422 } @{ aio_readdir $RANDOMDIR or [] }
2423 ]
2424}
2425
2426=item cf::map::unique_maps
2427
2428Returns an arrayref of paths of all shared maps that have
2429instantiated unique items. May block.
2430
2431=cut
2432
2433sub unique_maps() {
2434 [
2435 map {
2436 utf8::decode $_;
2437 s/\.map$//; # TODO future compatibility hack
2438 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2439 ? ()
2440 : normalise $_
2441 } @{ aio_readdir $UNIQUEDIR or [] }
2442 ]
2443}
2444
2445=item cf::map::static_maps
2446
2447Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2448file in the shared directory excluding F</styles> and F</editor>). May
2449block.
2450
2451=cut
2452
2453sub static_maps() {
2454 my @dirs = "";
2455 my @maps;
2456
2457 while (@dirs) {
2458 my $dir = shift @dirs;
2459
2460 next if $dir eq "/styles" || $dir eq "/editor";
2461
2462 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2463 or return;
2464
2465 for (@$files) {
2466 s/\.map$// or next;
2467 utf8::decode $_;
2468 push @maps, "$dir/$_";
2469 }
2470
2471 push @dirs, map "$dir/$_", @$dirs;
1432 }; 2472 }
1433 2473
1434 warn "end emergency map save\n"; 2474 \@maps
2475}
2476
2477=back
2478
2479=head3 cf::object
2480
2481=cut
2482
2483package cf::object;
2484
2485=over 4
2486
2487=item $ob->inv_recursive
2488
2489Returns the inventory of the object I<and> their inventories, recursively,
2490but I<not> the object itself.
2491
2492=cut
2493
2494sub inv_recursive_;
2495sub inv_recursive_ {
2496 map { $_, inv_recursive_ $_->inv } @_
2497}
2498
2499sub inv_recursive {
2500 inv_recursive_ inv $_[0]
2501}
2502
2503=item $ref = $ob->ref
2504
2505Creates and returns a persistent reference to an object that can be stored as a string.
2506
2507=item $ob = cf::object::deref ($refstring)
2508
2509returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2510even if the object actually exists. May block.
2511
2512=cut
2513
2514sub deref {
2515 my ($ref) = @_;
2516
2517 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2518 my ($uuid, $name) = ($1, $2);
2519 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2520 or return;
2521 $pl->ob->uuid eq $uuid
2522 or return;
2523
2524 $pl->ob
2525 } else {
2526 warn "$ref: cannot resolve object reference\n";
2527 undef
2528 }
1435} 2529}
1436 2530
1437package cf; 2531package cf;
1438 2532
1439=back 2533=back
1440
1441 2534
1442=head3 cf::object::player 2535=head3 cf::object::player
1443 2536
1444=over 4 2537=over 4
1445 2538
… …
1448Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2541Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1449can be C<undef>. Does the right thing when the player is currently in a 2542can be C<undef>. Does the right thing when the player is currently in a
1450dialogue with the given NPC character. 2543dialogue with the given NPC character.
1451 2544
1452=cut 2545=cut
2546
2547our $SAY_CHANNEL = {
2548 id => "say",
2549 title => "Map",
2550 reply => "say ",
2551 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2552};
2553
2554our $CHAT_CHANNEL = {
2555 id => "chat",
2556 title => "Chat",
2557 reply => "chat ",
2558 tooltip => "Player chat and shouts, global to the server.",
2559};
1453 2560
1454# rough implementation of a future "reply" method that works 2561# rough implementation of a future "reply" method that works
1455# with dialog boxes. 2562# with dialog boxes.
1456#TODO: the first argument must go, split into a $npc->reply_to ( method 2563#TODO: the first argument must go, split into a $npc->reply_to ( method
1457sub cf::object::player::reply($$$;$) { 2564sub cf::object::player::reply($$$;$) {
… …
1459 2566
1460 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2567 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1461 2568
1462 if ($self->{record_replies}) { 2569 if ($self->{record_replies}) {
1463 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2570 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2571
1464 } else { 2572 } else {
2573 my $pl = $self->contr;
2574
2575 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2576 my $dialog = $pl->{npc_dialog};
2577 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2578
2579 } else {
1465 $msg = $npc->name . " says: $msg" if $npc; 2580 $msg = $npc->name . " says: $msg" if $npc;
1466 $self->message ($msg, $flags); 2581 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2582 }
1467 } 2583 }
2584}
2585
2586=item $object->send_msg ($channel, $msg, $color, [extra...])
2587
2588=cut
2589
2590sub cf::object::send_msg {
2591 my $pl = shift->contr
2592 or return;
2593 $pl->send_msg (@_);
1468} 2594}
1469 2595
1470=item $player_object->may ("access") 2596=item $player_object->may ("access")
1471 2597
1472Returns wether the given player is authorized to access resource "access" 2598Returns wether the given player is authorized to access resource "access"
… …
1485 2611
1486=item $player_object->enter_link 2612=item $player_object->enter_link
1487 2613
1488Freezes the player and moves him/her to a special map (C<{link}>). 2614Freezes the player and moves him/her to a special map (C<{link}>).
1489 2615
1490The player should be reaosnably safe there for short amounts of time. You 2616The player should be reasonably safe there for short amounts of time (e.g.
1491I<MUST> call C<leave_link> as soon as possible, though. 2617for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2618though, as the player cannot control the character while it is on the link
2619map.
2620
2621Will never block.
1492 2622
1493=item $player_object->leave_link ($map, $x, $y) 2623=item $player_object->leave_link ($map, $x, $y)
1494 2624
1495Moves the player out of the specila link map onto the given map. If the 2625Moves the player out of the special C<{link}> map onto the specified
1496map is not valid (or omitted), the player will be moved back to the 2626map. If the map is not valid (or omitted), the player will be moved back
1497location he/she was before the call to C<enter_link>, or, if that fails, 2627to the location he/she was before the call to C<enter_link>, or, if that
1498to the emergency map position. 2628fails, to the emergency map position.
1499 2629
1500Might block. 2630Might block.
1501 2631
1502=cut 2632=cut
2633
2634sub link_map {
2635 unless ($LINK_MAP) {
2636 $LINK_MAP = cf::map::find "{link}"
2637 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2638 $LINK_MAP->load;
2639 }
2640
2641 $LINK_MAP
2642}
1503 2643
1504sub cf::object::player::enter_link { 2644sub cf::object::player::enter_link {
1505 my ($self) = @_; 2645 my ($self) = @_;
1506 2646
1507 $self->deactivate_recursive; 2647 $self->deactivate_recursive;
1508 2648
1509 return if $self->map == $LINK_MAP; 2649 ++$self->{_link_recursion};
2650
2651 return if UNIVERSAL::isa $self->map, "ext::map_link";
1510 2652
1511 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2653 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512 if $self->map; 2654 if $self->map && $self->map->{path} ne "{link}";
1513 2655
1514 $self->enter_map ($LINK_MAP, 20, 20); 2656 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1515} 2657}
1516 2658
1517sub cf::object::player::leave_link { 2659sub cf::object::player::leave_link {
1518 my ($self, $map, $x, $y) = @_; 2660 my ($self, $map, $x, $y) = @_;
2661
2662 return unless $self->contr->active;
1519 2663
1520 my $link_pos = delete $self->{_link_pos}; 2664 my $link_pos = delete $self->{_link_pos};
1521 2665
1522 unless ($map) { 2666 unless ($map) {
1523 # restore original map position 2667 # restore original map position
… …
1534 ($x, $y) = (-1, -1) 2678 ($x, $y) = (-1, -1)
1535 unless (defined $x) && (defined $y); 2679 unless (defined $x) && (defined $y);
1536 2680
1537 # use -1 or undef as default coordinates, not 0, 0 2681 # use -1 or undef as default coordinates, not 0, 0
1538 ($x, $y) = ($map->enter_x, $map->enter_y) 2682 ($x, $y) = ($map->enter_x, $map->enter_y)
1539 if $x <=0 && $y <= 0; 2683 if $x <= 0 && $y <= 0;
1540 2684
1541 $map->load; 2685 $map->load;
2686 $map->load_neighbours;
1542 2687
2688 return unless $self->contr->active;
2689
2690 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2691 if ($self->enter_map ($map, $x, $y)) {
2692 # entering was successful
2693 delete $self->{_link_recursion};
2694 # only activate afterwards, to support waiting in hooks
1543 $self->activate_recursive; 2695 $self->activate_recursive;
1544 $self->enter_map ($map, $x, $y);
1545}
1546
1547cf::player->attach (
1548 on_logout => sub {
1549 my ($pl) = @_;
1550
1551 # abort map switching before logout
1552 if ($pl->ob->{_link_pos}) {
1553 cf::sync_job {
1554 $pl->ob->leave_link
1555 };
1556 }
1557 }, 2696 }
1558 on_login => sub {
1559 my ($pl) = @_;
1560 2697
1561 # try to abort aborted map switching on player login :) 2698}
1562 # should happen only on crashes
1563 if ($pl->ob->{_link_pos}) {
1564 $pl->ob->enter_link;
1565 cf::async {
1566 # we need this sleep as the login has a concurrent enter_exit running
1567 # and this sleep increases chances of the player not ending up in scorn
1568 Coro::Timer::sleep 1;
1569 $pl->ob->leave_link;
1570 };
1571 }
1572 },
1573);
1574 2699
1575=item $player_object->goto_map ($path, $x, $y) 2700=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1576 2701
1577=cut 2702Moves the player to the given map-path and coordinates by first freezing
2703her, loading and preparing them map, calling the provided $check callback
2704that has to return the map if sucecssful, and then unfreezes the player on
2705the new (success) or old (failed) map position. In either case, $done will
2706be called at the end of this process.
1578 2707
2708Note that $check will be called with a potentially non-loaded map, so if
2709it needs a loaded map it has to call C<< ->load >>.
2710
2711=cut
2712
2713our $GOTOGEN;
2714
1579sub cf::object::player::goto_map { 2715sub cf::object::player::goto {
1580 my ($self, $path, $x, $y) = @_; 2716 my ($self, $path, $x, $y, $check, $done) = @_;
2717
2718 if ($self->{_link_recursion} >= $MAX_LINKS) {
2719 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2720 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2721 ($path, $x, $y) = @$EMERGENCY_POSITION;
2722 }
2723
2724 # do generation counting so two concurrent goto's will be executed in-order
2725 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1581 2726
1582 $self->enter_link; 2727 $self->enter_link;
1583 2728
1584 (cf::async { 2729 (async {
1585 $path = new cf::path $path; 2730 $Coro::current->{desc} = "player::goto $path $x $y";
1586 2731
1587 my $map = cf::map::find $path->as_string; 2732 # *tag paths override both path and x|y
2733 if ($path =~ /^\*(.*)$/) {
2734 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2735 my $ob = $obs[rand @obs];
2736
2737 # see if we actually can go there
2738 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2739 $ob = $obs[rand @obs];
2740 } else {
2741 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2742 }
2743 # else put us there anyways for now #d#
2744
2745 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2746 } else {
2747 ($path, $x, $y) = (undef, undef, undef);
2748 }
2749 }
2750
2751 my $map = eval {
2752 my $map = defined $path ? cf::map::find $path : undef;
2753
2754 if ($map) {
1588 $map = $map->customise_for ($self) if $map; 2755 $map = $map->customise_for ($self);
1589 2756 $map = $check->($map, $x, $y, $self) if $check && $map;
1590# warn "entering ", $map->path, " at ($x, $y)\n" 2757 } else {
1591# if $map;
1592
1593 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2758 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2759 }
1594 2760
2761 $map
2762 };
2763
2764 if ($@) {
2765 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2766 LOG llevError | logBacktrace, Carp::longmess $@;
2767 }
2768
2769 if ($gen == $self->{_goto_generation}) {
2770 delete $self->{_goto_generation};
1595 $self->leave_link ($map, $x, $y); 2771 $self->leave_link ($map, $x, $y);
2772 }
2773
2774 $done->($self) if $done;
1596 })->prio (1); 2775 })->prio (1);
1597} 2776}
1598 2777
1599=item $player_object->enter_exit ($exit_object) 2778=item $player_object->enter_exit ($exit_object)
1600 2779
… …
1602 2781
1603sub parse_random_map_params { 2782sub parse_random_map_params {
1604 my ($spec) = @_; 2783 my ($spec) = @_;
1605 2784
1606 my $rmp = { # defaults 2785 my $rmp = { # defaults
1607 xsize => 10, 2786 xsize => (cf::rndm 15, 40),
1608 ysize => 10, 2787 ysize => (cf::rndm 15, 40),
2788 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2789 #layout => string,
1609 }; 2790 };
1610 2791
1611 for (split /\n/, $spec) { 2792 for (split /\n/, $spec) {
1612 my ($k, $v) = split /\s+/, $_, 2; 2793 my ($k, $v) = split /\s+/, $_, 2;
1613 2794
… …
1625 # that depends on the exit object 2806 # that depends on the exit object
1626 2807
1627 my $rmp = parse_random_map_params $exit->msg; 2808 my $rmp = parse_random_map_params $exit->msg;
1628 2809
1629 if ($exit->map) { 2810 if ($exit->map) {
1630 $rmp->{region} = $exit->map->region_name; 2811 $rmp->{region} = $exit->region->name;
1631 $rmp->{origin_map} = $exit->map->path; 2812 $rmp->{origin_map} = $exit->map->path;
1632 $rmp->{origin_x} = $exit->x; 2813 $rmp->{origin_x} = $exit->x;
1633 $rmp->{origin_y} = $exit->y; 2814 $rmp->{origin_y} = $exit->y;
2815
2816 $exit->map->touch;
1634 } 2817 }
1635 2818
1636 $rmp->{random_seed} ||= $exit->random_seed; 2819 $rmp->{random_seed} ||= $exit->random_seed;
1637 2820
1638 my $data = cf::to_json $rmp; 2821 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1639 my $md5 = Digest::MD5::md5_hex $data; 2822 my $md5 = Digest::MD5::md5_hex $data;
2823 my $meta = "$RANDOMDIR/$md5.meta";
1640 2824
1641 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2825 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642 aio_write $fh, 0, (length $data), $data, 0; 2826 aio_write $fh, 0, (length $data), $data, 0;
2827 undef $fh;
2828 aio_rename "$meta~", $meta;
1643 2829
2830 my $slaying = "?random/$md5";
2831
2832 if ($exit->valid) {
1644 $exit->slaying ("?random/$md5"); 2833 $exit->slaying ("?random/$md5");
1645 $exit->msg (undef); 2834 $exit->msg (undef);
2835 }
1646 } 2836 }
1647} 2837}
1648 2838
1649sub cf::object::player::enter_exit { 2839sub cf::object::player::enter_exit {
1650 my ($self, $exit) = @_; 2840 my ($self, $exit) = @_;
1651 2841
1652 return unless $self->type == cf::PLAYER; 2842 return unless $self->type == cf::PLAYER;
1653 2843
1654 $self->enter_link; 2844 $self->enter_link;
1655 2845
1656 (cf::async { 2846 (async {
1657 $self->deactivate_recursive; # just to be sure 2847 $Coro::current->{desc} = "enter_exit";
2848
1658 unless (eval { 2849 unless (eval {
2850 $self->deactivate_recursive; # just to be sure
2851
2852 # random map handling
2853 {
2854 my $guard = cf::lock_acquire "exit_prepare:$exit";
2855
1659 prepare_random_map $exit 2856 prepare_random_map $exit
1660 if $exit->slaying eq "/!"; 2857 if $exit->slaying eq "/!";
2858 }
1661 2859
1662 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2860 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1663 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 2861 my $x = $exit->stats->hp;
2862 my $y = $exit->stats->sp;
1664 2863
2864 $self->goto ($map, $x, $y);
2865
2866 # if exit is damned, update players death & WoR home-position
2867 $self->contr->savebed ($map, $x, $y)
2868 if $exit->flag (cf::FLAG_DAMNED);
2869
1665 1; 2870 1
1666 }) { 2871 }) {
1667 $self->message ("Something went wrong deep within the crossfire server. " 2872 $self->message ("Something went wrong deep within the deliantra server. "
1668 . "I'll try to bring you back to the map you were before. " 2873 . "I'll try to bring you back to the map you were before. "
1669 . "Please report this to the dungeon master", 2874 . "Please report this to the dungeon master!",
1670 cf::NDI_UNIQUE | cf::NDI_RED); 2875 cf::NDI_UNIQUE | cf::NDI_RED);
1671 2876
1672 warn "ERROR in enter_exit: $@"; 2877 error "ERROR in enter_exit: $@";
1673 $self->leave_link; 2878 $self->leave_link;
1674 } 2879 }
1675 })->prio (1); 2880 })->prio (1);
1676} 2881}
1677 2882
… …
1688 2893
1689sub cf::client::send_drawinfo { 2894sub cf::client::send_drawinfo {
1690 my ($self, $text, $flags) = @_; 2895 my ($self, $text, $flags) = @_;
1691 2896
1692 utf8::encode $text; 2897 utf8::encode $text;
1693 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2898 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694} 2899}
1695 2900
2901=item $client->send_big_packet ($pkt)
2902
2903Like C<send_packet>, but tries to compress large packets, and fragments
2904them as required.
2905
2906=cut
2907
2908our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2909
2910sub cf::client::send_big_packet {
2911 my ($self, $pkt) = @_;
2912
2913 # try lzf for large packets
2914 $pkt = "lzf " . Compress::LZF::compress $pkt
2915 if 1024 <= length $pkt and $self->{can_lzf};
2916
2917 # split very large packets
2918 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2919 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2920 $pkt = "frag";
2921 }
2922
2923 $self->send_packet ($pkt);
2924}
2925
2926=item $client->send_msg ($channel, $msg, $color, [extra...])
2927
2928Send a drawinfo or msg packet to the client, formatting the msg for the
2929client if neccessary. C<$type> should be a string identifying the type of
2930the message, with C<log> being the default. If C<$color> is negative, suppress
2931the message unless the client supports the msg packet.
2932
2933=cut
2934
2935# non-persistent channels (usually the info channel)
2936our %CHANNEL = (
2937 "c/motd" => {
2938 id => "infobox",
2939 title => "MOTD",
2940 reply => undef,
2941 tooltip => "The message of the day",
2942 },
2943 "c/identify" => {
2944 id => "infobox",
2945 title => "Identify",
2946 reply => undef,
2947 tooltip => "Items recently identified",
2948 },
2949 "c/examine" => {
2950 id => "infobox",
2951 title => "Examine",
2952 reply => undef,
2953 tooltip => "Signs and other items you examined",
2954 },
2955 "c/shopinfo" => {
2956 id => "infobox",
2957 title => "Shop Info",
2958 reply => undef,
2959 tooltip => "What your bargaining skill tells you about the shop",
2960 },
2961 "c/book" => {
2962 id => "infobox",
2963 title => "Book",
2964 reply => undef,
2965 tooltip => "The contents of a note or book",
2966 },
2967 "c/lookat" => {
2968 id => "infobox",
2969 title => "Look",
2970 reply => undef,
2971 tooltip => "What you saw there",
2972 },
2973 "c/who" => {
2974 id => "infobox",
2975 title => "Players",
2976 reply => undef,
2977 tooltip => "Shows players who are currently online",
2978 },
2979 "c/body" => {
2980 id => "infobox",
2981 title => "Body Parts",
2982 reply => undef,
2983 tooltip => "Shows which body parts you posess and are available",
2984 },
2985 "c/statistics" => {
2986 id => "infobox",
2987 title => "Statistics",
2988 reply => undef,
2989 tooltip => "Shows your primary statistics",
2990 },
2991 "c/skills" => {
2992 id => "infobox",
2993 title => "Skills",
2994 reply => undef,
2995 tooltip => "Shows your experience per skill and item power",
2996 },
2997 "c/shopitems" => {
2998 id => "infobox",
2999 title => "Shop Items",
3000 reply => undef,
3001 tooltip => "Shows the items currently for sale in this shop",
3002 },
3003 "c/resistances" => {
3004 id => "infobox",
3005 title => "Resistances",
3006 reply => undef,
3007 tooltip => "Shows your resistances",
3008 },
3009 "c/pets" => {
3010 id => "infobox",
3011 title => "Pets",
3012 reply => undef,
3013 tooltip => "Shows information abotu your pets/a specific pet",
3014 },
3015 "c/perceiveself" => {
3016 id => "infobox",
3017 title => "Perceive Self",
3018 reply => undef,
3019 tooltip => "You gained detailed knowledge about yourself",
3020 },
3021 "c/uptime" => {
3022 id => "infobox",
3023 title => "Uptime",
3024 reply => undef,
3025 tooltip => "How long the server has been running since last restart",
3026 },
3027 "c/mapinfo" => {
3028 id => "infobox",
3029 title => "Map Info",
3030 reply => undef,
3031 tooltip => "Information related to the maps",
3032 },
3033 "c/party" => {
3034 id => "party",
3035 title => "Party",
3036 reply => "gsay ",
3037 tooltip => "Messages and chat related to your party",
3038 },
3039 "c/death" => {
3040 id => "death",
3041 title => "Death",
3042 reply => undef,
3043 tooltip => "Reason for and more info about your most recent death",
3044 },
3045 "c/say" => $SAY_CHANNEL,
3046 "c/chat" => $CHAT_CHANNEL,
3047);
3048
3049sub cf::client::send_msg {
3050 my ($self, $channel, $msg, $color, @extra) = @_;
3051
3052 $msg = $self->pl->expand_cfpod ($msg)
3053 unless $color & cf::NDI_VERBATIM;
3054
3055 $color &= cf::NDI_CLIENT_MASK; # just in case...
3056
3057 # check predefined channels, for the benefit of C
3058 if ($CHANNEL{$channel}) {
3059 $channel = $CHANNEL{$channel};
3060
3061 $self->ext_msg (channel_info => $channel);
3062 $channel = $channel->{id};
3063
3064 } elsif (ref $channel) {
3065 # send meta info to client, if not yet sent
3066 unless (exists $self->{channel}{$channel->{id}}) {
3067 $self->{channel}{$channel->{id}} = $channel;
3068 $self->ext_msg (channel_info => $channel);
3069 }
3070
3071 $channel = $channel->{id};
3072 }
3073
3074 return unless @extra || length $msg;
3075
3076 # default colour, mask it out
3077 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3078 if $color & cf::NDI_DEF;
3079
3080 my $pkt = "msg "
3081 . $self->{json_coder}->encode (
3082 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3083 );
3084
3085 $self->send_big_packet ($pkt);
3086}
3087
3088=item $client->ext_msg ($type, @msg)
3089
3090Sends an ext event to the client.
3091
3092=cut
3093
3094sub cf::client::ext_msg($$@) {
3095 my ($self, $type, @msg) = @_;
3096
3097 if ($self->extcmd == 2) {
3098 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3099 } elsif ($self->extcmd == 1) { # TODO: remove
3100 push @msg, msgtype => "event_$type";
3101 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3102 }
3103}
3104
3105=item $client->ext_reply ($msgid, @msg)
3106
3107Sends an ext reply to the client.
3108
3109=cut
3110
3111sub cf::client::ext_reply($$@) {
3112 my ($self, $id, @msg) = @_;
3113
3114 if ($self->extcmd == 2) {
3115 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3116 } elsif ($self->extcmd == 1) {
3117 #TODO: version 1, remove
3118 unshift @msg, msgtype => "reply", msgid => $id;
3119 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3120 }
3121}
1696 3122
1697=item $success = $client->query ($flags, "text", \&cb) 3123=item $success = $client->query ($flags, "text", \&cb)
1698 3124
1699Queues a query to the client, calling the given callback with 3125Queues a query to the client, calling the given callback with
1700the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3126the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1701C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3127C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1702 3128
1703Queries can fail, so check the return code. Or don't, as queries will become 3129Queries can fail, so check the return code. Or don't, as queries will
1704reliable at some point in the future. 3130become reliable at some point in the future.
1705 3131
1706=cut 3132=cut
1707 3133
1708sub cf::client::query { 3134sub cf::client::query {
1709 my ($self, $flags, $text, $cb) = @_; 3135 my ($self, $flags, $text, $cb) = @_;
… …
1717 utf8::encode $text; 3143 utf8::encode $text;
1718 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1719 3145
1720 $self->send_packet ($self->{query_queue}[0][0]) 3146 $self->send_packet ($self->{query_queue}[0][0])
1721 if @{ $self->{query_queue} } == 1; 3147 if @{ $self->{query_queue} } == 1;
3148
3149 1
1722} 3150}
1723 3151
1724cf::client->attach ( 3152cf::client->attach (
3153 on_connect => sub {
3154 my ($ns) = @_;
3155
3156 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3157 },
1725 on_reply => sub { 3158 on_reply => sub {
1726 my ($ns, $msg) = @_; 3159 my ($ns, $msg) = @_;
1727 3160
1728 # this weird shuffling is so that direct followup queries 3161 # this weird shuffling is so that direct followup queries
1729 # get handled first 3162 # get handled first
1730 my $queue = delete $ns->{query_queue} 3163 my $queue = delete $ns->{query_queue}
1731 or return; # be conservative, not sure how that can happen, but we saw a crash here 3164 or return; # be conservative, not sure how that can happen, but we saw a crash here
1732 3165
1733 (shift @$queue)->[1]->($msg); 3166 (shift @$queue)->[1]->($msg);
3167 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734 3168
1735 push @{ $ns->{query_queue} }, @$queue; 3169 push @{ $ns->{query_queue} }, @$queue;
1736 3170
1737 if (@{ $ns->{query_queue} } == @$queue) { 3171 if (@{ $ns->{query_queue} } == @$queue) {
1738 if (@$queue) { 3172 if (@$queue) {
… …
1740 } else { 3174 } else {
1741 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3175 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1742 } 3176 }
1743 } 3177 }
1744 }, 3178 },
3179 on_exticmd => sub {
3180 my ($ns, $buf) = @_;
3181
3182 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3183
3184 if (ref $msg) {
3185 my ($type, $reply, @payload) =
3186 "ARRAY" eq ref $msg
3187 ? @$msg
3188 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3189
3190 my @reply;
3191
3192 if (my $cb = $EXTICMD{$type}) {
3193 @reply = $cb->($ns, @payload);
3194 }
3195
3196 $ns->ext_reply ($reply, @reply)
3197 if $reply;
3198
3199 } else {
3200 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3201 }
3202
3203 cf::override;
3204 },
1745); 3205);
1746 3206
1747=item $client->coro (\&cb) 3207=item $client->async (\&cb)
1748 3208
1749Create a new coroutine, running the specified callback. The coroutine will 3209Create a new coroutine, running the specified callback. The coroutine will
1750be automatically cancelled when the client gets destroyed (e.g. on logout, 3210be automatically cancelled when the client gets destroyed (e.g. on logout,
1751or loss of connection). 3211or loss of connection).
1752 3212
1753=cut 3213=cut
1754 3214
1755sub cf::client::coro { 3215sub cf::client::async {
1756 my ($self, $cb) = @_; 3216 my ($self, $cb) = @_;
1757 3217
1758 my $coro = &cf::async ($cb); 3218 my $coro = &Coro::async ($cb);
1759 3219
1760 $coro->on_destroy (sub { 3220 $coro->on_destroy (sub {
1761 delete $self->{_coro}{$coro+0}; 3221 delete $self->{_coro}{$coro+0};
1762 }); 3222 });
1763 3223
… …
1765 3225
1766 $coro 3226 $coro
1767} 3227}
1768 3228
1769cf::client->attach ( 3229cf::client->attach (
1770 on_destroy => sub { 3230 on_client_destroy => sub {
1771 my ($ns) = @_; 3231 my ($ns) = @_;
1772 3232
1773 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3233 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1774 }, 3234 },
1775); 3235);
… …
1790our $safe = new Safe "safe"; 3250our $safe = new Safe "safe";
1791our $safe_hole = new Safe::Hole; 3251our $safe_hole = new Safe::Hole;
1792 3252
1793$SIG{FPE} = 'IGNORE'; 3253$SIG{FPE} = 'IGNORE';
1794 3254
1795$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3255$safe->permit_only (Opcode::opset qw(
3256 :base_core :base_mem :base_orig :base_math :base_loop
3257 grepstart grepwhile mapstart mapwhile
3258 sort time
3259));
1796 3260
1797# here we export the classes and methods available to script code 3261# here we export the classes and methods available to script code
1798 3262
1799=pod 3263=pod
1800 3264
1801The following fucntions and emthods are available within a safe environment: 3265The following functions and methods are available within a safe environment:
1802 3266
1803 cf::object contr pay_amount pay_player map 3267 cf::object
3268 contr pay_amount pay_player map x y force_find force_add destroy
3269 insert remove name archname title slaying race decrease split
3270 value
3271
1804 cf::object::player player 3272 cf::object::player
1805 cf::player peaceful 3273 player
1806 cf::map trigger 3274
3275 cf::player
3276 peaceful
3277
3278 cf::map
3279 trigger
1807 3280
1808=cut 3281=cut
1809 3282
1810for ( 3283for (
1811 ["cf::object" => qw(contr pay_amount pay_player map)], 3284 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3285 insert remove inv nrof name archname title slaying race
3286 decrease split destroy change_exp value msg lore send_msg)],
1812 ["cf::object::player" => qw(player)], 3287 ["cf::object::player" => qw(player)],
1813 ["cf::player" => qw(peaceful)], 3288 ["cf::player" => qw(peaceful send_msg)],
1814 ["cf::map" => qw(trigger)], 3289 ["cf::map" => qw(trigger)],
1815) { 3290) {
1816 no strict 'refs';
1817 my ($pkg, @funs) = @$_; 3291 my ($pkg, @funs) = @$_;
1818 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3292 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1819 for @funs; 3293 for @funs;
1820} 3294}
1821 3295
… …
1836 3310
1837 my $qcode = $code; 3311 my $qcode = $code;
1838 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3312 $qcode =~ s/"/‟/g; # not allowed in #line filenames
1839 $qcode =~ s/\n/\\n/g; 3313 $qcode =~ s/\n/\\n/g;
1840 3314
3315 %vars = (_dummy => 0) unless %vars;
3316
3317 my @res;
1841 local $_; 3318 local $_;
1842 local @safe::cf::_safe_eval_args = values %vars;
1843 3319
1844 my $eval = 3320 my $eval =
1845 "do {\n" 3321 "do {\n"
1846 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3322 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1847 . "#line 0 \"{$qcode}\"\n" 3323 . "#line 0 \"{$qcode}\"\n"
1848 . $code 3324 . $code
1849 . "\n}" 3325 . "\n}"
1850 ; 3326 ;
1851 3327
3328 if ($CFG{safe_eval}) {
1852 sub_generation_inc; 3329 sub_generation_inc;
3330 local @safe::cf::_safe_eval_args = values %vars;
1853 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3331 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1854 sub_generation_inc; 3332 sub_generation_inc;
3333 } else {
3334 local @cf::_safe_eval_args = values %vars;
3335 @res = wantarray ? eval eval : scalar eval $eval;
3336 }
1855 3337
1856 if ($@) { 3338 if ($@) {
1857 warn "$@"; 3339 warn "$@",
1858 warn "while executing safe code '$code'\n"; 3340 "while executing safe code '$code'\n",
1859 warn "with arguments " . (join " ", %vars) . "\n"; 3341 "with arguments " . (join " ", %vars) . "\n";
1860 } 3342 }
1861 3343
1862 wantarray ? @res : $res[0] 3344 wantarray ? @res : $res[0]
1863} 3345}
1864 3346
… …
1878=cut 3360=cut
1879 3361
1880sub register_script_function { 3362sub register_script_function {
1881 my ($fun, $cb) = @_; 3363 my ($fun, $cb) = @_;
1882 3364
1883 no strict 'refs'; 3365 $fun = "safe::$fun" if $CFG{safe_eval};
1884 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3366 *$fun = $safe_hole->wrap ($cb);
1885} 3367}
1886 3368
1887=back 3369=back
1888 3370
1889=cut 3371=cut
1890 3372
1891############################################################################# 3373#############################################################################
3374# the server's init and main functions
1892 3375
1893=head2 EXTENSION DATABASE SUPPORT 3376sub load_facedata($) {
3377 my ($path) = @_;
1894 3378
1895Crossfire maintains a very simple database for extension use. It can 3379 # HACK to clear player env face cache, we need some signal framework
1896currently store anything that can be serialised using Storable, which 3380 # for this (global event?)
1897excludes objects. 3381 %ext::player_env::MUSIC_FACE_CACHE = ();
1898 3382
1899The parameter C<$family> should best start with the name of the extension 3383 my $enc = JSON::XS->new->utf8->canonical->relaxed;
1900using it, it should be unique.
1901 3384
1902=over 4 3385 trace "loading facedata from $path\n";
1903 3386
1904=item $hashref = cf::db_get $family 3387 0 < aio_load $path, my $facedata
3388 or die "$path: $!";
1905 3389
1906Return a hashref for use by the extension C<$family>, which can be 3390 $facedata = Coro::Storable::thaw $facedata;
1907modified. After modifications, you have to call C<cf::db_dirty> or
1908C<cf::db_sync>.
1909 3391
1910=item $value = cf::db_get $family => $key 3392 $facedata->{version} == 2
3393 or cf::cleanup "$path: version mismatch, cannot proceed.";
1911 3394
1912Returns a single value from the database 3395 # patch in the exptable
1913 3396 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1914=item cf::db_put $family => $hashref 3397 $facedata->{resource}{"res/exp_table"} = {
1915 3398 type => FT_RSRC,
1916Stores the given family hashref into the database. Updates are delayed, if 3399 data => $exp_table,
1917you want the data to be synced to disk immediately, use C<cf::db_sync>. 3400 hash => (Digest::MD5::md5 $exp_table),
1918
1919=item cf::db_put $family => $key => $value
1920
1921Stores the given C<$value> in the family hash. Updates are delayed, if you
1922want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924=item cf::db_dirty
1925
1926Marks the database as dirty, to be updated at a later time.
1927
1928=item cf::db_sync
1929
1930Immediately write the database to disk I<if it is dirty>.
1931
1932=cut
1933
1934our $DB;
1935
1936{
1937 my $path = cf::localdir . "/database.pst";
1938
1939 sub db_load() {
1940 $DB = stat $path ? Storable::retrieve $path : { };
1941 }
1942
1943 my $pid;
1944
1945 sub db_save() {
1946 waitpid $pid, 0 if $pid;
1947 if (0 == ($pid = fork)) {
1948 $DB->{_meta}{version} = 1;
1949 Storable::nstore $DB, "$path~";
1950 rename "$path~", $path;
1951 cf::_exit 0 if defined $pid;
1952 }
1953 }
1954
1955 my $dirty;
1956
1957 sub db_sync() {
1958 db_save if $dirty;
1959 undef $dirty;
1960 }
1961
1962 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963 db_sync;
1964 }); 3401 };
3402 cf::cede_to_tick;
1965 3403
1966 sub db_dirty() {
1967 $dirty = 1;
1968 $idle->start;
1969 } 3404 {
3405 my $faces = $facedata->{faceinfo};
1970 3406
1971 sub db_get($;$) { 3407 while (my ($face, $info) = each %$faces) {
1972 @_ >= 2 3408 my $idx = (cf::face::find $face) || cf::face::alloc $face;
1973 ? $DB->{$_[0]}{$_[1]}
1974 : ($DB->{$_[0]} ||= { })
1975 }
1976 3409
1977 sub db_put($$;$) { 3410 cf::face::set_visibility $idx, $info->{visibility};
1978 if (@_ >= 3) { 3411 cf::face::set_magicmap $idx, $info->{magicmap};
1979 $DB->{$_[0]}{$_[1]} = $_[2]; 3412 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1980 } else { 3413 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1981 $DB->{$_[0]} = $_[1];
1982 }
1983 db_dirty;
1984 }
1985 3414
1986 cf::global->attach ( 3415 cf::cede_to_tick;
1987 prio => 10000,
1988 on_cleanup => sub {
1989 db_sync;
1990 }, 3416 }
1991 );
1992}
1993 3417
1994############################################################################# 3418 while (my ($face, $info) = each %$faces) {
1995# the server's main() 3419 next unless $info->{smooth};
1996 3420
1997sub cfg_load { 3421 my $idx = cf::face::find $face
1998 open my $fh, "<:utf8", cf::confdir . "/config" 3422 or next;
1999 or return;
2000 3423
2001 local $/; 3424 if (my $smooth = cf::face::find $info->{smooth}) {
3425 cf::face::set_smooth $idx, $smooth;
3426 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3427 } else {
3428 error "smooth face '$info->{smooth}' not found for face '$face'";
3429 }
3430
3431 cf::cede_to_tick;
3432 }
3433 }
3434
3435 {
3436 my $anims = $facedata->{animinfo};
3437
3438 while (my ($anim, $info) = each %$anims) {
3439 cf::anim::set $anim, $info->{frames}, $info->{facings};
3440 cf::cede_to_tick;
3441 }
3442
3443 cf::anim::invalidate_all; # d'oh
3444 }
3445
3446 {
3447 my $res = $facedata->{resource};
3448
3449 while (my ($name, $info) = each %$res) {
3450 if (defined $info->{type}) {
3451 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3452
3453 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3454 cf::face::set_type $idx, $info->{type};
3455 } else {
3456 $RESOURCE{$name} = $info; # unused
3457 }
3458
3459 cf::cede_to_tick;
3460 }
3461 }
3462
3463 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3464
3465 1
3466}
3467
3468register_exticmd fx_want => sub {
3469 my ($ns, $want) = @_;
3470
3471 while (my ($k, $v) = each %$want) {
3472 $ns->fx_want ($k, $v);
3473 }
3474};
3475
3476sub load_resource_file($) {
3477 my $guard = lock_acquire "load_resource_file";
3478
3479 my $status = load_resource_file_ $_[0];
3480 get_slot 0.1, 100;
3481 cf::arch::commit_load;
3482
3483 $status
3484}
3485
3486sub reload_regions {
3487 # HACK to clear player env face cache, we need some signal framework
3488 # for this (global event?)
3489 %ext::player_env::MUSIC_FACE_CACHE = ();
3490
3491 load_resource_file "$MAPDIR/regions"
3492 or die "unable to load regions file\n";
3493
3494 for (cf::region::list) {
3495 $_->{match} = qr/$_->{match}/
3496 if exists $_->{match};
3497 }
3498}
3499
3500sub reload_facedata {
3501 load_facedata "$DATADIR/facedata"
3502 or die "unable to load facedata\n";
3503}
3504
3505sub reload_archetypes {
3506 load_resource_file "$DATADIR/archetypes"
3507 or die "unable to load archetypes\n";
3508}
3509
3510sub reload_treasures {
3511 load_resource_file "$DATADIR/treasures"
3512 or die "unable to load treasurelists\n";
3513}
3514
3515sub reload_sound {
3516 trace "loading sound config from $DATADIR/sound\n";
3517
3518 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3519 or die "$DATADIR/sound $!";
3520
3521 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3522
3523 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3524 my $sound = $soundconf->{compat}[$_]
3525 or next;
3526
3527 my $face = cf::face::find "sound/$sound->[1]";
3528 cf::sound::set $sound->[0] => $face;
3529 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3530 }
3531
3532 while (my ($k, $v) = each %{$soundconf->{event}}) {
3533 my $face = cf::face::find "sound/$v";
3534 cf::sound::set $k => $face;
3535 }
3536}
3537
3538sub reload_resources {
3539 trace "reloading resource files...\n";
3540
3541 reload_exp_table;
3542 reload_materials;
3543 reload_facedata;
3544 reload_sound;
3545 reload_archetypes;
3546 reload_regions;
3547 reload_treasures;
3548
3549 trace "finished reloading resource files\n";
3550}
3551
3552sub reload_config {
3553 trace "reloading config file...\n";
3554
3555 0 < aio_load "$CONFDIR/config", my $config
3556 or die "$CONFDIR/config: $!";
3557
3558 utf8::decode $config;
3559
3560 cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2002 *CFG = YAML::Syck::Load <$fh>; 3561 *CFG = YAML::XS::Load $config;
2003 3562
2004 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3563 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3564
3565 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3566 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2005 3567
2006 if (exists $CFG{mlockall}) { 3568 if (exists $CFG{mlockall}) {
2007 eval { 3569 eval {
2008 $CFG{mlockall} ? &mlockall : &munlockall 3570 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009 and die "WARNING: m(un)lockall failed: $!\n"; 3571 and die "WARNING: m(un)lockall failed: $!\n";
2010 }; 3572 };
2011 warn $@ if $@; 3573 warn $@ if $@;
2012 } 3574 }
2013} 3575}
2014 3576
3577sub pidfile() {
3578 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3579 or die "$PIDFILE: $!";
3580 flock $fh, &Fcntl::LOCK_EX
3581 or die "$PIDFILE: flock: $!";
3582 $fh
3583}
3584
3585# make sure only one server instance is running at any one time
3586sub atomic {
3587 my $fh = pidfile;
3588
3589 my $pid = <$fh>;
3590 kill 9, $pid if $pid > 0;
3591
3592 seek $fh, 0, 0;
3593 print $fh $$;
3594}
3595
3596sub main_loop {
3597 trace "EV::loop starting\n";
3598 if (1) {
3599 EV::loop;
3600 }
3601 trace "EV::loop returned\n";
3602 goto &main_loop unless $REALLY_UNLOOP;
3603}
3604
2015sub main { 3605sub main {
3606 cf::init_globals; # initialise logging
3607
3608 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3609 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3610 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3611 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3612
3613 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3614
2016 # we must not ever block the main coroutine 3615 # we must not ever block the main coroutine
2017 local $Coro::idle = sub { 3616 local $Coro::idle = sub {
2018 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3617 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019 (Coro::unblock_sub { 3618 (async {
2020 Event::one_event; 3619 $Coro::current->{desc} = "IDLE BUG HANDLER";
2021 })->(); 3620 EV::loop EV::LOOP_ONESHOT;
3621 })->prio (Coro::PRIO_MAX);
2022 }; 3622 };
2023 3623
2024 cfg_load; 3624 evthread_start IO::AIO::poll_fileno;
2025 db_load; 3625
3626 cf::sync_job {
3627 cf::incloader::init ();
3628
3629 cf::init_anim;
3630 cf::init_attackmess;
3631 cf::init_dynamic;
3632
3633 cf::load_settings;
3634
3635 reload_resources;
3636 reload_config;
3637 db_init;
3638
3639 cf::init_uuid;
3640 cf::init_signals;
3641 cf::init_skills;
3642
3643 cf::init_beforeplay;
3644
3645 atomic;
3646
2026 load_extensions; 3647 load_extensions;
2027 Event::loop; 3648
3649 utime time, time, $RUNTIMEFILE;
3650
3651 # no (long-running) fork's whatsoever before this point(!)
3652 use POSIX ();
3653 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3654
3655 (pop @POST_INIT)->(0) while @POST_INIT;
3656 };
3657
3658 cf::object::thawer::errors_are_fatal 0;
3659 info "parse errors in files are no longer fatal from this point on.\n";
3660
3661 my $free_main; $free_main = EV::idle sub {
3662 undef $free_main;
3663 undef &main; # free gobs of memory :)
3664 };
3665
3666 goto &main_loop;
2028} 3667}
2029 3668
2030############################################################################# 3669#############################################################################
2031# initialisation 3670# initialisation and cleanup
2032 3671
3672# install some emergency cleanup handlers
3673BEGIN {
3674 our %SIGWATCHER = ();
3675 for my $signal (qw(INT HUP TERM)) {
3676 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3677 cf::cleanup "SIG$signal";
3678 };
3679 }
3680}
3681
3682sub write_runtime_sync {
3683 my $t0 = AE::time;
3684
3685 # first touch the runtime file to show we are still running:
3686 # the fsync below can take a very very long time.
3687
3688 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3689
3690 my $guard = cf::lock_acquire "write_runtime";
3691
3692 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3693 or return;
3694
3695 my $value = $cf::RUNTIME + 90 + 10;
3696 # 10 is the runtime save interval, for a monotonic clock
3697 # 60 allows for the watchdog to kill the server.
3698
3699 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3700 and return;
3701
3702 # always fsync - this file is important
3703 aio_fsync $fh
3704 and return;
3705
3706 # touch it again to show we are up-to-date
3707 aio_utime $fh, undef, undef;
3708
3709 close $fh
3710 or return;
3711
3712 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3713 and return;
3714
3715 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3716
3717 1
3718}
3719
3720our $uuid_lock;
3721our $uuid_skip;
3722
3723sub write_uuid_sync($) {
3724 $uuid_skip ||= $_[0];
3725
3726 return if $uuid_lock;
3727 local $uuid_lock = 1;
3728
3729 my $uuid = "$LOCALDIR/uuid";
3730
3731 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3732 or return;
3733
3734 my $value = uuid_seq uuid_cur;
3735
3736 unless ($value) {
3737 info "cowardly refusing to write zero uuid value!\n";
3738 return;
3739 }
3740
3741 my $value = uuid_str $value + $uuid_skip;
3742 $uuid_skip = 0;
3743
3744 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3745 and return;
3746
3747 # always fsync - this file is important
3748 aio_fsync $fh
3749 and return;
3750
3751 close $fh
3752 or return;
3753
3754 aio_rename "$uuid~", $uuid
3755 and return;
3756
3757 trace "uuid file written ($value).\n";
3758
3759 1
3760
3761}
3762
3763sub write_uuid($$) {
3764 my ($skip, $sync) = @_;
3765
3766 $sync ? write_uuid_sync $skip
3767 : async { write_uuid_sync $skip };
3768}
3769
3770sub emergency_save() {
3771 my $freeze_guard = cf::freeze_mainloop;
3772
3773 info "emergency_perl_save: enter\n";
3774
3775 # this is a trade-off: we want to be very quick here, so
3776 # save all maps without fsync, and later call a global sync
3777 # (which in turn might be very very slow)
3778 local $USE_FSYNC = 0;
3779
3780 cf::sync_job {
3781 cf::write_runtime_sync; # external watchdog should not bark
3782
3783 # use a peculiar iteration method to avoid tripping on perl
3784 # refcount bugs in for. also avoids problems with players
3785 # and maps saved/destroyed asynchronously.
3786 info "emergency_perl_save: begin player save\n";
3787 for my $login (keys %cf::PLAYER) {
3788 my $pl = $cf::PLAYER{$login} or next;
3789 $pl->valid or next;
3790 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3791 $pl->save;
3792 }
3793 info "emergency_perl_save: end player save\n";
3794
3795 cf::write_runtime_sync; # external watchdog should not bark
3796
3797 info "emergency_perl_save: begin map save\n";
3798 for my $path (keys %cf::MAP) {
3799 my $map = $cf::MAP{$path} or next;
3800 $map->valid or next;
3801 $map->save;
3802 }
3803 info "emergency_perl_save: end map save\n";
3804
3805 cf::write_runtime_sync; # external watchdog should not bark
3806
3807 info "emergency_perl_save: begin database checkpoint\n";
3808 BDB::db_env_txn_checkpoint $DB_ENV;
3809 info "emergency_perl_save: end database checkpoint\n";
3810
3811 info "emergency_perl_save: begin write uuid\n";
3812 write_uuid_sync 1;
3813 info "emergency_perl_save: end write uuid\n";
3814
3815 cf::write_runtime_sync; # external watchdog should not bark
3816
3817 trace "emergency_perl_save: syncing database to disk";
3818 BDB::db_env_txn_checkpoint $DB_ENV;
3819
3820 info "emergency_perl_save: starting sync\n";
3821 IO::AIO::aio_sync sub {
3822 info "emergency_perl_save: finished sync\n";
3823 };
3824
3825 cf::write_runtime_sync; # external watchdog should not bark
3826
3827 trace "emergency_perl_save: flushing outstanding aio requests";
3828 while (IO::AIO::nreqs || BDB::nreqs) {
3829 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3830 }
3831
3832 cf::write_runtime_sync; # external watchdog should not bark
3833 };
3834
3835 info "emergency_perl_save: leave\n";
3836}
3837
3838sub post_cleanup {
3839 my ($make_core) = @_;
3840
3841 IO::AIO::flush;
3842
3843 error Carp::longmess "post_cleanup backtrace"
3844 if $make_core;
3845
3846 my $fh = pidfile;
3847 unlink $PIDFILE if <$fh> == $$;
3848}
3849
3850# a safer delete_package, copied from Symbol
3851sub clear_package($) {
3852 my $pkg = shift;
3853
3854 # expand to full symbol table name if needed
3855 unless ($pkg =~ /^main::.*::$/) {
3856 $pkg = "main$pkg" if $pkg =~ /^::/;
3857 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3858 $pkg .= '::' unless $pkg =~ /::$/;
3859 }
3860
3861 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3862 my $stem_symtab = *{$stem}{HASH};
3863
3864 defined $stem_symtab and exists $stem_symtab->{$leaf}
3865 or return;
3866
3867 # clear all symbols
3868 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3869 for my $name (keys %$leaf_symtab) {
3870 _gv_clear *{"$pkg$name"};
3871# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3872 }
3873}
3874
2033sub reload() { 3875sub do_reload_perl() {
2034 # can/must only be called in main 3876 # can/must only be called in main
2035 if ($Coro::current != $Coro::main) { 3877 unless (in_main) {
2036 warn "can only reload from main coroutine\n"; 3878 error "can only reload from main coroutine";
2037 return; 3879 return;
2038 } 3880 }
2039 3881
3882 return if $RELOAD++;
3883
3884 my $t1 = AE::time;
3885
3886 while ($RELOAD) {
3887 cf::get_slot 0.1, -1, "reload_perl";
2040 warn "reloading..."; 3888 info "reloading...";
2041 3889
2042 my $guard = freeze_mainloop; 3890 trace "entering sync_job";
3891
3892 cf::sync_job {
2043 cf::emergency_save; 3893 #cf::emergency_save;
2044 3894
2045 eval {
2046 # if anything goes wrong in here, we should simply crash as we already saved
2047
2048 # cancel all watchers
2049 for (Event::all_watchers) {
2050 $_->cancel if $_->data & WF_AUTOCANCEL;
2051 }
2052
2053 # cancel all extension coros 3895 trace "cancelling all extension coros";
2054 $_->cancel for values %EXT_CORO; 3896 $_->cancel for values %EXT_CORO;
2055 %EXT_CORO = (); 3897 %EXT_CORO = ();
2056 3898
2057 # unload all extensions 3899 trace "removing commands";
2058 for (@exts) { 3900 %COMMAND = ();
2059 warn "unloading <$_>";
2060 unload_extension $_;
2061 }
2062 3901
2063 # unload all modules loaded from $LIBDIR 3902 trace "removing ext/exti commands";
2064 while (my ($k, $v) = each %INC) { 3903 %EXTCMD = ();
2065 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3904 %EXTICMD = ();
2066 3905
2067 warn "removing <$k>"; 3906 trace "unloading/nuking all extensions";
2068 delete $INC{$k}; 3907 for my $pkg (@EXTS) {
3908 trace "... unloading $pkg";
2069 3909
2070 $k =~ s/\.pm$//;
2071 $k =~ s/\//::/g;
2072
2073 if (my $cb = $k->can ("unload_module")) { 3910 if (my $cb = $pkg->can ("unload")) {
3911 eval {
2074 $cb->(); 3912 $cb->($pkg);
3913 1
3914 } or error "$pkg unloaded, but with errors: $@";
3915 }
3916
3917 trace "... clearing $pkg";
3918 clear_package $pkg;
2075 } 3919 }
2076 3920
2077 Symbol::delete_package $k; 3921 trace "unloading all perl modules loaded from $LIBDIR";
3922 while (my ($k, $v) = each %INC) {
3923 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3924
3925 trace "... unloading $k";
3926 delete $INC{$k};
3927
3928 $k =~ s/\.pm$//;
3929 $k =~ s/\//::/g;
3930
3931 if (my $cb = $k->can ("unload_module")) {
3932 $cb->();
3933 }
3934
3935 clear_package $k;
2078 } 3936 }
2079 3937
2080 # sync database to disk
2081 cf::db_sync;
2082 IO::AIO::flush;
2083
2084 # get rid of safe::, as good as possible 3938 trace "getting rid of safe::, as good as possible";
2085 Symbol::delete_package "safe::$_" 3939 clear_package "safe::$_"
2086 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3940 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087 3941
2088 # remove register_script_function callbacks 3942 trace "unloading cf.pm \"a bit\"";
2089 # TODO
2090
2091 # unload cf.pm "a bit"
2092 delete $INC{"cf.pm"}; 3943 delete $INC{"cf.pm"};
3944 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2093 3945
2094 # don't, removes xs symbols, too, 3946 # don't, removes xs symbols, too,
2095 # and global variables created in xs 3947 # and global variables created in xs
2096 #Symbol::delete_package __PACKAGE__; 3948 #clear_package __PACKAGE__;
2097 3949
2098 # reload cf.pm 3950 info "unload completed, starting to reload now";
3951
2099 warn "reloading cf.pm"; 3952 trace "reloading cf.pm";
2100 require cf; 3953 require cf;
2101 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3954 cf::_connect_to_perl_1;
2102 3955
2103 # load config and database again 3956 trace "loading config and database again";
2104 cf::cfg_load; 3957 cf::reload_config;
2105 cf::db_load;
2106 3958
2107 # load extensions
2108 warn "load extensions"; 3959 trace "loading extensions";
2109 cf::load_extensions; 3960 cf::load_extensions;
2110 3961
2111 # reattach attachments to objects 3962 if ($REATTACH_ON_RELOAD) {
2112 warn "reattach"; 3963 trace "reattaching attachments to objects/players";
2113 _global_reattach; 3964 _global_reattach; # objects, sockets
3965 trace "reattaching attachments to maps";
3966 reattach $_ for values %MAP;
3967 trace "reattaching attachments to players";
3968 reattach $_ for values %PLAYER;
3969 }
3970
3971 trace "running post_init jobs";
3972 (pop @POST_INIT)->(1) while @POST_INIT;
3973
3974 trace "leaving sync_job";
3975
3976 1
3977 } or do {
3978 error $@;
3979 cf::cleanup "error while reloading, exiting.";
3980 };
3981
3982 info "reloaded";
3983 --$RELOAD;
3984 }
3985
3986 $t1 = AE::time - $t1;
3987 info "reload completed in ${t1}s\n";
3988};
3989
3990our $RELOAD_WATCHER; # used only during reload
3991
3992sub reload_perl() {
3993 # doing reload synchronously and two reloads happen back-to-back,
3994 # coro crashes during coro_state_free->destroy here.
3995
3996 $RELOAD_WATCHER ||= cf::async {
3997 Coro::AIO::aio_wait cache_extensions;
3998
3999 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
4000 do_reload_perl;
4001 undef $RELOAD_WATCHER;
4002 };
2114 }; 4003 };
2115
2116 if ($@) {
2117 warn $@;
2118 warn "error while reloading, exiting.";
2119 exit 1;
2120 }
2121
2122 warn "reloaded successfully";
2123};
2124
2125#############################################################################
2126
2127unless ($LINK_MAP) {
2128 $LINK_MAP = cf::map::new;
2129
2130 $LINK_MAP->width (41);
2131 $LINK_MAP->height (41);
2132 $LINK_MAP->alloc;
2133 $LINK_MAP->path ("{link}");
2134 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137 # dirty hack because... archetypes are not yet loaded
2138 Event->timer (
2139 after => 2,
2140 cb => sub {
2141 $_[0]->w->cancel;
2142
2143 # provide some exits "home"
2144 my $exit = cf::object::new "exit";
2145
2146 $exit->slaying ($EMERGENCY_POSITION->[0]);
2147 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150 $LINK_MAP->insert ($exit->clone, 19, 19);
2151 $LINK_MAP->insert ($exit->clone, 19, 20);
2152 $LINK_MAP->insert ($exit->clone, 19, 21);
2153 $LINK_MAP->insert ($exit->clone, 20, 19);
2154 $LINK_MAP->insert ($exit->clone, 20, 21);
2155 $LINK_MAP->insert ($exit->clone, 21, 19);
2156 $LINK_MAP->insert ($exit->clone, 21, 20);
2157 $LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159 $exit->destroy;
2160 });
2161
2162 $LINK_MAP->{deny_save} = 1;
2163 $LINK_MAP->{deny_reset} = 1;
2164
2165 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166} 4004}
2167
2168register "<global>", __PACKAGE__;
2169 4005
2170register_command "reload" => sub { 4006register_command "reload" => sub {
2171 my ($who, $arg) = @_; 4007 my ($who, $arg) = @_;
2172 4008
2173 if ($who->flag (FLAG_WIZ)) { 4009 if ($who->flag (FLAG_WIZ)) {
2174 $who->message ("start of reload.");
2175 reload;
2176 $who->message ("end of reload."); 4010 $who->message ("reloading server.");
4011 async {
4012 $Coro::current->{desc} = "perl_reload";
4013 reload_perl;
4014 };
2177 } 4015 }
2178}; 4016};
2179 4017
2180unshift @INC, $LIBDIR; 4018#############################################################################
2181 4019
2182$TICK_WATCHER = Event->timer ( 4020my $bug_warning = 0;
2183 reentrant => 0, 4021
2184 prio => 0, 4022our @WAIT_FOR_TICK;
2185 at => $NEXT_TICK || $TICK, 4023our @WAIT_FOR_TICK_BEGIN;
2186 data => WF_AUTOCANCEL, 4024
2187 cb => sub { 4025sub wait_for_tick() {
4026 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4027
4028 my $signal = new Coro::Signal;
4029 push @WAIT_FOR_TICK, $signal;
4030 $signal->wait;
4031}
4032
4033sub wait_for_tick_begin() {
4034 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4035
4036 my $signal = new Coro::Signal;
4037 push @WAIT_FOR_TICK_BEGIN, $signal;
4038 $signal->wait;
4039}
4040
4041sub tick {
4042 if ($Coro::current != $Coro::main) {
4043 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
4044 unless ++$bug_warning > 10;
4045 return;
4046 }
4047
2188 cf::server_tick; # one server iteration 4048 cf::server_tick; # one server iteration
2189 $RUNTIME += $TICK;
2190 $NEXT_TICK += $TICK;
2191 4049
2192 # if we are delayed by four ticks or more, skip them all 4050 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2193 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194 4051
2195 $TICK_WATCHER->at ($NEXT_TICK); 4052 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2196 $TICK_WATCHER->start; 4053 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2197 }, 4054 Coro::async_pool {
2198); 4055 $Coro::current->{desc} = "runtime saver";
2199
2200IO::AIO::max_poll_time $TICK * 0.2;
2201
2202Event->io (
2203 fd => IO::AIO::poll_fileno,
2204 poll => 'r',
2205 prio => 5,
2206 data => WF_AUTOCANCEL,
2207 cb => \&IO::AIO::poll_cb,
2208);
2209
2210Event->timer (
2211 data => WF_AUTOCANCEL,
2212 after => 0,
2213 interval => 10,
2214 cb => sub {
2215 (Coro::unblock_sub {
2216 write_runtime 4056 write_runtime_sync
2217 or warn "ERROR: unable to write runtime file: $!"; 4057 or error "ERROR: unable to write runtime file: $!";
2218 })->(); 4058 };
2219 }, 4059 }
2220); 4060
4061 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4062 $sig->send;
4063 }
4064 while (my $sig = shift @WAIT_FOR_TICK) {
4065 $sig->send;
4066 }
4067
4068 $LOAD = ($NOW - $TICK_START) / $TICK;
4069 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4070
4071 if (0) {
4072 if ($NEXT_TICK) {
4073 my $jitter = $TICK_START - $NEXT_TICK;
4074 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4075 debug "jitter $JITTER\n";#d#
4076 }
4077 }
4078}
4079
4080{
4081 # configure BDB
4082
4083 BDB::min_parallel 16;
4084 BDB::max_poll_reqs $TICK * 0.1;
4085 $AnyEvent::BDB::WATCHER->priority (1);
4086
4087 unless ($DB_ENV) {
4088 $DB_ENV = BDB::db_env_create;
4089 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4090 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4091 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4092 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4093 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4094
4095 cf::sync_job {
4096 eval {
4097 BDB::db_env_open
4098 $DB_ENV,
4099 $BDBDIR,
4100 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4101 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4102 0666;
4103
4104 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4105 };
4106
4107 cf::cleanup "db_env_open(db): $@" if $@;
4108 };
4109 }
4110
4111 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4112 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4113 };
4114 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4115 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4116 };
4117 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4118 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4119 };
4120}
4121
4122{
4123 # configure IO::AIO
4124
4125 IO::AIO::min_parallel 8;
4126 IO::AIO::max_poll_time $TICK * 0.1;
4127 undef $AnyEvent::AIO::WATCHER;
4128}
4129
4130my $_log_backtrace;
4131
4132sub _log_backtrace {
4133 my ($msg, @addr) = @_;
4134
4135 $msg =~ s/\n//;
4136
4137 # limit the # of concurrent backtraces
4138 if ($_log_backtrace < 2) {
4139 ++$_log_backtrace;
4140 my $perl_bt = Carp::longmess $msg;
4141 async {
4142 $Coro::current->{desc} = "abt $msg";
4143
4144 my @bt = fork_call {
4145 @addr = map { sprintf "%x", $_ } @addr;
4146 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4147 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4148 or die "addr2line: $!";
4149
4150 my @funcs;
4151 my @res = <$fh>;
4152 chomp for @res;
4153 while (@res) {
4154 my ($func, $line) = splice @res, 0, 2, ();
4155 push @funcs, "[$func] $line";
4156 }
4157
4158 @funcs
4159 };
4160
4161 LOG llevInfo, "[ABT] $perl_bt\n";
4162 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4163 LOG llevInfo, "[ABT] $_\n" for @bt;
4164 --$_log_backtrace;
4165 };
4166 } else {
4167 LOG llevInfo, "[ABT] $msg\n";
4168 LOG llevInfo, "[ABT] [suppressed]\n";
4169 }
4170}
4171
4172# load additional modules
4173require "cf/$_.pm" for @EXTRA_MODULES;
4174cf::_connect_to_perl_2;
2221 4175
2222END { cf::emergency_save } 4176END { cf::emergency_save }
2223 4177
22241 41781
2225 4179

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