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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 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 2.32 ();
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 (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
75
76# strictly for debugging
77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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 %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
53our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
54our $LINK_MAP; # the special {link} map 139our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 140
56our %EXT_CORO; # coroutines bound to extensions 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 $REALLY_UNLOOP; # never set to true, please :)
57 153
58binmode STDOUT; 154binmode STDOUT;
59binmode STDERR; 155binmode STDERR;
60 156
61# read virtual server time, if available 157# read virtual server time, if available
62unless ($RUNTIME || !-e cf::localdir . "/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
63 open my $fh, "<", cf::localdir . "/runtime" 159 open my $fh, "<", $RUNTIMEFILE
64 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
65 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
66} 162}
67 163
68mkdir cf::localdir; 164eval "sub TICK() { $TICK } 1" or die;
69mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS;
73 165
74# a special map that is always available 166mkdir $_
75our $LINK_MAP; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
168
76our $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::"} };
77 187
78############################################################################# 188#############################################################################
79 189
80=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
81 191
88=item $cf::RUNTIME 198=item $cf::RUNTIME
89 199
90The 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
91every server tick. 201every server tick.
92 202
93=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
94 206
95The perl library directory, where extensions and cf-specific modules can 207Various directories - "/etc", read-only install directory, perl-library
96be 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.
97 211
98=item $cf::NOW 212=item $cf::NOW
99 213
100The time of the last (current) server tick. 214The time of the last (current) server tick.
101 215
102=item $cf::TICK 216=item $cf::TICK
103 217
104The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
105 219
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 $cf::LOAD
227
228The raw value load value from the last tick.
229
106=item %cf::CFG 230=item %cf::CFG
107 231
108Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109from wherever your confdir points to. 233from wherever your confdir points to.
110 234
235=item cf::wait_for_tick, cf::wait_for_tick_begin
236
237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
238returns directly I<after> the tick processing (and consequently, can only wake one thread
239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
246=item @cf::INVOKE_RESULTS
247
248This array contains the results of the last C<invoke ()> call. When
249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
250that call.
251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
111=back 258=back
112 259
113=cut 260=cut
114 261
115BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
116 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
117 my $msg = join "", @_; 269 my $msg = join "", @_;
118 utf8::encode $msg;
119 270
120 $msg .= "\n" 271 $msg .= "\n"
121 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
122 273
274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
275
123 LOG llevError, $msg; 276 LOG llevWarn, $msg;
124 }; 277};
125} 278
279$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};
126 292
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131@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';
132@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)
133 300
134# 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
135# within the Safe compartment. 302# within the Safe compartment.
136for my $pkg (qw( 303for my $pkg (qw(
137 cf::global cf::attachable 304 cf::global cf::attachable
138 cf::object cf::object::player 305 cf::object cf::object::player
139 cf::client cf::player 306 cf::client cf::player
140 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
141 cf::map cf::party cf::region 309 cf::party cf::region
142)) { 310)) {
143 no strict 'refs';
144 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145} 312}
146 313
147$Event::DIED = sub { 314$EV::DIED = sub {
148 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
149}; 316};
150 317
151my %ext_pkg; 318#############################################################################
152my @exts;
153my @hook;
154 319
155=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
156 321
157=over 4 322=over 4
158 323
159=cut 324=item dumpval $ref
160 325
161use JSON::Syck (); # TODO# replace by JSON::PC once working 326=cut
162 327
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
163=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
164 348
165Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
166 350
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
175 352
176Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
177 354
178=cut 355=cut
179 356
180sub to_json($) { 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 358
182 JSON::Syck::Dump $_[0] 359sub encode_json($) { $json_coder->encode ($_[0]) }
360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
183} 403}
184 404
185=item cf::lock_wait $string 405=item cf::lock_wait $string
186 406
187Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
188 408
189=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
190 410
191Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
192a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
194returned. 414returned.
195 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
196Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
197uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
198 421
199=cut 422=item $locked = cf::lock_active $string
200 423
201our %LOCK; 424Return true if the lock is currently active, i.e. somebody has locked it.
425
426=cut
427
428our $LOCKS = new Coro::SemaphoreSet;
202 429
203sub lock_wait($) { 430sub lock_wait($) {
204 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
205
206 # wait for lock, if any
207 while ($LOCK{$key}) {
208 push @{ $LOCK{$key} }, $Coro::current;
209 Coro::schedule;
210 }
211} 432}
212 433
213sub lock_acquire($) { 434sub lock_acquire($) {
214 my ($key) = @_; 435 $LOCKS->guard ($_[0])
436}
215 437
216 # wait, to be sure we are not locked 438sub lock_active($) {
217 lock_wait $key; 439 $LOCKS->count ($_[0]) < 1
218
219 $LOCK{$key} = [];
220
221 Coro::guard {
222 # wake up all waiters, to be on the safe side
223 $_->ready for @{ delete $LOCK{$key} };
224 }
225} 440}
226 441
227sub freeze_mainloop { 442sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
229 444
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 445 &Guard::guard (\&tick_inhibit_dec);
231 $TICK_WATCHER->stop; 446}
232 $guard 447
448=item cf::periodic $interval, $cb
449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
512 }
513};
514
515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
518 my ($time, $pri, $name) = @_;
519
520 $time = clamp $time, 0.01, $TICK * .6;
521
522 my $sig = new Coro::Signal;
523
524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
526 $SLOT_QUEUE->ready;
527 $sig->wait;
233} 528}
234 529
235=item cf::async { BLOCK } 530=item cf::async { BLOCK }
236 531
237Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
242 537
243BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
244 539
245=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
246 541
247The design of crossfire+ requires that the main coro ($Coro::main) is 542The design of Deliantra requires that the main coroutine ($Coro::main)
248always able to handle events or runnable, as crossfire+ is only partly 543is always able to handle events or runnable, as Deliantra is only
249reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
545acceptable.
250 546
251If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
252the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
253server will be frozen during this time, so the block should either finish 549server will be frozen during this time, so the block should either finish
254fast or be very important. 550fast or be very important.
256=cut 552=cut
257 553
258sub sync_job(&) { 554sub sync_job(&) {
259 my ($job) = @_; 555 my ($job) = @_;
260 556
261 if ($Coro::current == $Coro::main) { 557 if (in_main) {
558 my $time = AE::time;
559
262 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
263 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
264 562
265 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
266 # (but this is cancel-safe) 564
267 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
268 566
269 my $busy = 1; 567 my $busy = 1;
270 my @res; 568 my @res;
271 569
272 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
273 @res = eval { $job->() }; 572 @res = eval { $job->() };
274 warn $@ if $@; 573 error $@ if $@;
275 undef $busy; 574 undef $busy;
276 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
277 576
278 while ($busy) { 577 while ($busy) {
279 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
280 } 582 }
583 }
584
585 my $time = AE::time - $time;
586
587 $TICK_START += $time; # do not account sync jobs to server load
281 588
282 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
283 } else { 590 } else {
284 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
285 592
287 } 594 }
288} 595}
289 596
290=item $coro = cf::async_ext { BLOCK } 597=item $coro = cf::async_ext { BLOCK }
291 598
292Like async, but this coro is automcatially being canceled when the 599Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 600extension calling this is being unloaded.
294 601
295=cut 602=cut
296 603
297sub async_ext(&) { 604sub async_ext(&) {
305 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
306 613
307 $coro 614 $coro
308} 615}
309 616
310sub write_runtime { 617=item fork_call { }, @args
311 my $runtime = cf::localdir . "/runtime";
312 618
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 619Executes the given code block with the given arguments in a seperate
314 or return; 620process, returning the results. Everything must be serialisable with
621Coro::Storable. May, of course, block. Note that the executed sub may
622never block itself or use any form of event handling.
315 623
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 624=cut
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return;
319 625
320 aio_fsync $fh 626sub post_fork {
321 and return; 627 reset_signals;
628}
322 629
323 close $fh 630sub fork_call(&@) {
324 or return; 631 my ($cb, @args) = @_;
325 632
326 aio_rename "$runtime~", $runtime 633 # we seemingly have to make a local copy of the whole thing,
327 and return; 634 # otherwise perl prematurely frees the stuff :/
635 # TODO: investigate and fix (likely this will be rather laborious)
328 636
637 my @res = Coro::Util::fork_eval {
638 cf::post_fork;
639 &$cb
640 } @args;
641
642 wantarray ? @res : $res[-1]
643}
644
645sub objinfo {
329 1 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
681}
682
683=item $value = cf::db_get $family => $key
684
685Returns a single value from the environment database.
686
687=item cf::db_put $family => $key => $value
688
689Stores the given C<$value> in the family. It can currently store binary
690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
718
719our $DB;
720
721sub db_init {
722 $DB ||= db_table "db";
723}
724
725sub db_get($$) {
726 my $key = "$_[0]/$_[1]";
727
728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
731 BDB::db_get $DB, undef, $key, my $data;
732
733 $! ? ()
734 : $data
735}
736
737sub db_put($$$) {
738 BDB::dbreq_pri 4;
739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
740}
741
742=item cf::cache $id => [$paths...], $processversion => $process
743
744Generic caching function that returns the value of the resource $id,
745caching and regenerating as required.
746
747This function can block.
748
749=cut
750
751sub cache {
752 my ($id, $src, $processversion, $process) = @_;
753
754 my $meta =
755 join "\x00",
756 $processversion,
757 map {
758 aio_stat $_
759 and Carp::croak "$_: $!";
760
761 ($_, (stat _)[7,9])
762 } @$src;
763
764 my $dbmeta = db_get cache => "$id/meta";
765 if ($dbmeta ne $meta) {
766 # changed, we may need to process
767
768 my @data;
769 my $md5;
770
771 for (0 .. $#$src) {
772 0 <= aio_load $src->[$_], $data[$_]
773 or Carp::croak "$src->[$_]: $!";
774 }
775
776 # if processing is expensive, check
777 # checksum first
778 if (1) {
779 $md5 =
780 join "\x00",
781 $processversion,
782 map {
783 cf::cede_to_tick;
784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
785 } 0.. $#$src;
786
787
788 my $dbmd5 = db_get cache => "$id/md5";
789 if ($dbmd5 eq $md5) {
790 db_put cache => "$id/meta", $meta;
791
792 return db_get cache => "$id/data";
793 }
794 }
795
796 my $t1 = Time::HiRes::time;
797 my $data = $process->(\@data);
798 my $t2 = Time::HiRes::time;
799
800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
801
802 db_put cache => "$id/data", $data;
803 db_put cache => "$id/md5" , $md5;
804 db_put cache => "$id/meta", $meta;
805
806 return $data;
807 }
808
809 db_get cache => "$id/data"
810}
811
812=item cf::datalog type => key => value, ...
813
814Log a datalog packet of the given type with the given key-value pairs.
815
816=cut
817
818sub datalog($@) {
819 my ($type, %kv) = @_;
820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330} 821}
331 822
332=back 823=back
333 824
334=cut 825=cut
335 826
336############################################################################# 827#############################################################################
337 828
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455
456#############################################################################
457
458=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
459 830
460Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
461attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
462to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
463 834
464In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
465C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
466crossfire+). 837Deliantra).
467 838
468=over 4 839=over 4
469 840
470=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
471 842
515=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
516 887
517Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
518given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
519 890
520Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
521that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
522 893
523These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
524 895
525=over 4 896=over 4
585our @CB_TYPE = (); # registry for type (cf-object class) based events 956our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 957our @CB_MAP = ();
587 958
588my %attachment; 959my %attachment;
589 960
961sub cf::attachable::thawer_merge {
962 # simply override everything except _meta
963 local $_[0]{_meta};
964 %{$_[0]} = %{$_[1]};
965}
966
590sub _attach_cb($$$$) { 967sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 968 my ($registry, $event, $prio, $cb) = @_;
592 969
593 use sort 'stable'; 970 use sort 'stable';
594 971
628 $registry = $CB_TYPE[$object_type] ||= []; 1005 $registry = $CB_TYPE[$object_type] ||= [];
629 1006
630 } elsif ($type eq "subtype") { 1007 } elsif ($type eq "subtype") {
631 defined $object_type or Carp::croak "subtype specified without type"; 1008 defined $object_type or Carp::croak "subtype specified without type";
632 my $object_subtype = shift @arg; 1009 my $object_subtype = shift @arg;
633 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 1010 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634 1011
635 } elsif ($type eq "package") { 1012 } elsif ($type eq "package") {
636 my $pkg = shift @arg; 1013 my $pkg = shift @arg;
637 1014
638 while (my ($name, $id) = each %cb_id) { 1015 while (my ($name, $id) = each %cb_id) {
643 1020
644 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
645 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646 1023
647 } elsif (ref $type) { 1024 } elsif (ref $type) {
648 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
649 1026
650 } else { 1027 } else {
651 shift @arg; 1028 shift @arg;
652 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
653 } 1030 }
654 } 1031 }
655} 1032}
656 1033
657sub _object_attach { 1034sub _object_attach {
667 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
668 } 1045 }
669 1046
670 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
671 } else { 1048 } else {
672 warn "object uses attachment '$name' that is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
673 } 1050 }
674 1051
675 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
676} 1053}
677 1054
679 if (ref $_[0]) { 1056 if (ref $_[0]) {
680 _object_attach @_; 1057 _object_attach @_;
681 } else { 1058 } else {
682 _attach shift->_attach_registry, @_; 1059 _attach shift->_attach_registry, @_;
683 } 1060 }
1061 _recalc_want;
684}; 1062};
685 1063
686# all those should be optimised 1064# all those should be optimised
687sub cf::attachable::detach { 1065sub cf::attachable::detach {
688 my ($obj, $name) = @_; 1066 my ($obj, $name) = @_;
691 delete $obj->{_attachment}{$name}; 1069 delete $obj->{_attachment}{$name};
692 reattach ($obj); 1070 reattach ($obj);
693 } else { 1071 } else {
694 Carp::croak "cannot, currently, detach class attachments"; 1072 Carp::croak "cannot, currently, detach class attachments";
695 } 1073 }
1074 _recalc_want;
696}; 1075};
697 1076
698sub cf::attachable::attached { 1077sub cf::attachable::attached {
699 my ($obj, $name) = @_; 1078 my ($obj, $name) = @_;
700 1079
715 "; 1094 ";
716 die if $@; 1095 die if $@;
717} 1096}
718 1097
719our $override; 1098our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1099our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1100
722sub override { 1101sub override {
723 $override = 1; 1102 $override = 1;
724 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
725} 1104}
726 1105
727sub do_invoke { 1106sub do_invoke {
728 my $event = shift; 1107 my $event = shift;
729 my $callbacks = shift; 1108 my $callbacks = shift;
730 1109
731 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
732 1111
733 local $override; 1112 local $override;
734 1113
735 for (@$callbacks) { 1114 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
737 1116
738 if ($@) { 1117 if ($@) {
739 warn "$@";
740 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741 override; 1119 override;
742 } 1120 }
743 1121
744 return 1 if $override; 1122 return 1 if $override;
745 } 1123 }
746 1124
747 0 1125 0
748} 1126}
749 1127
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1129
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1131
754Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
755 1133
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1134This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1135removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1137
760=back 1138=back
761 1139
762=cut 1140=cut
763 1141
764############################################################################# 1142#############################################################################
765# object support 1143# object support
1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
1178sub _can_merge {
1179 my ($ob1, $ob2) = @_;
1180
1181 ++$SLOW_MERGES;#d#
1182
1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
1185}
766 1186
767sub reattach { 1187sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1189 my ($obj) = @_;
1190
1191 # no longer needed after getting rid of delete_package?
1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 1193
771 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
772 1195
773 @$registry = (); 1196 @$registry = ();
774 1197
779 for (@$attach) { 1202 for (@$attach) {
780 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
781 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
782 } 1205 }
783 } else { 1206 } else {
784 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
785 } 1208 }
786 } 1209 }
787} 1210}
788 1211
789cf::attachable->attach ( 1212cf::attachable->attach (
790 prio => -1000000, 1213 prio => -1000000,
791 on_instantiate => sub { 1214 on_instantiate => sub {
792 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
793 1216
794 $data = from_json $data; 1217 $data = decode_json $data;
795 1218
796 for (@$data) { 1219 for (@$data) {
797 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
798 1221
799 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
815sub object_freezer_save { 1238sub object_freezer_save {
816 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
817 1240
818 sync_job { 1241 sync_job {
819 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
820 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
821 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
822 1247
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1251 if ($cf::USE_FSYNC) {
1252 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;
826 aio_fsync $fh; 1253 aio_fsync $fh;
1254 }
827 close $fh; 1255 aio_close $fh;
828 1256
829 if (@$objs) { 1257 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
1262 if ($cf::USE_FSYNC) {
1263 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;
834 aio_fsync $fh; 1264 aio_fsync $fh;
1265 }
835 close $fh; 1266 aio_close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
837 } 1268 }
838 } else { 1269 } else {
839 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
840 } 1271 }
841 1272
842 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
843 } else { 1277 } else {
844 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
845 } 1279 }
846 } else { 1280 } else {
847 aio_unlink $filename; 1281 aio_unlink $filename;
848 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
849 } 1283 }
850 } 1284 };
851} 1285}
852 1286
853sub object_freezer_as_string { 1287sub object_freezer_as_string {
854 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
855 1289
867 or return; 1301 or return;
868 1302
869 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
870 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
871 or return; 1305 or return;
1306
872 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
873 } 1309 }
874 1310
1311 utf8::decode (my $decname = $filename);
875 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
876 $filename, length $data, scalar @{$av || []};#d# 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
877 return ($data, $av); 1316 ($data, $av)
878} 1317}
1318
1319=head2 COMMAND CALLBACKS
1320
1321=over 4
1322
1323=cut
879 1324
880############################################################################# 1325#############################################################################
881# command handling &c 1326# command handling &c
882 1327
883=item cf::register_command $name => \&callback($ob,$args); 1328=item cf::register_command $name => \&callback($ob,$args);
896 push @{ $COMMAND{$name} }, [$caller, $cb]; 1341 push @{ $COMMAND{$name} }, [$caller, $cb];
897} 1342}
898 1343
899=item cf::register_extcmd $name => \&callback($pl,$packet); 1344=item cf::register_extcmd $name => \&callback($pl,$packet);
900 1345
901Register a callbackf ro execution when the client sends an extcmd packet. 1346Register a callback for execution when the client sends an (synchronous)
1347extcmd packet. Ext commands will be processed in the order they are
1348received by the server, like other user commands. The first argument is
1349the logged-in player. Ext commands can only be processed after a player
1350has logged in successfully.
902 1351
903If the callback returns something, it is sent back as if reply was being 1352If the callback returns something, it is sent back as if reply was being
904called. 1353called.
905 1354
1355=item cf::register_exticmd $name => \&callback($ns,$packet);
1356
1357Register a callback for execution when the client sends an (asynchronous)
1358exticmd packet. Exti commands are processed by the server as soon as they
1359are received, i.e. out of order w.r.t. other commands. The first argument
1360is a client socket. Exti commands can be received anytime, even before
1361log-in.
1362
1363If the callback returns something, it is sent back as if reply was being
1364called.
1365
906=cut 1366=cut
907 1367
908sub register_extcmd { 1368sub register_extcmd {
909 my ($name, $cb) = @_; 1369 my ($name, $cb) = @_;
910 1370
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 1371 $EXTCMD{$name} = $cb;
915} 1372}
1373
1374sub register_exticmd {
1375 my ($name, $cb) = @_;
1376
1377 $EXTICMD{$name} = $cb;
1378}
1379
1380use File::Glob ();
916 1381
917cf::player->attach ( 1382cf::player->attach (
918 on_command => sub { 1383 on_unknown_command => sub {
919 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
920 1385
921 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
922 or return; 1387 or return;
923 1388
928 cf::override; 1393 cf::override;
929 }, 1394 },
930 on_extcmd => sub { 1395 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
932 1397
933 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1399
935 if (ref $msg) { 1400 if (ref $msg) {
1401 my ($type, $reply, @payload) =
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405
1406 my @reply;
1407
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
941 } else { 1415 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1417 }
944 1418
945 cf::override; 1419 cf::override;
946 }, 1420 },
947); 1421);
948 1422
949sub register { 1423# "readahead" all extensions
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 1424sub cache_extensions {
956 my ($path) = @_; 1425 my $grp = IO::AIO::aio_group;
957 1426
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959 my $base = $1; 1428 for (grep /\.ext$/, @{$_[0]}) {
960 my $pkg = $1; 1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg";
963
964 warn "loading '$path' into '$pkg'\n";
965
966 open my $fh, "<:utf8", $path
967 or die "$path: $!";
968
969 my $source =
970 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> })
973 . "\n};\n1";
974
975 eval $source
976 or die $@ ? "$path: $@\n"
977 : "extension disabled.\n";
978
979 push @exts, $pkg;
980 $ext_pkg{$base} = $pkg;
981
982# no strict 'refs';
983# @{"$pkg\::ISA"} = ext::;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# }
998
999 # remove commands
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 } 1430 }
1008 } 1431 };
1009 1432
1010 # remove extcmds 1433 $grp
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 1434}
1024 1435
1025sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1439 cf::sync_job {
1440 my %todo;
1441
1026 for my $ext (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 1443 next unless -r $path;
1028 eval { 1444
1029 load_extension $ext; 1445 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1446 my $base = $1;
1447 my $pkg = $1;
1448 $pkg =~ s/[^[:word:]]/_/g;
1449 $pkg = "ext::$pkg";
1450
1451 open my $fh, "<:utf8", $path
1452 or die "$path: $!";
1453
1454 my $source = do { local $/; <$fh> };
1455
1456 my %ext = (
1457 path => $path,
1458 base => $base,
1459 pkg => $pkg,
1460 );
1461
1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1464
1465 $ext{source} =
1466 "package $pkg; use common::sense;\n"
1467 . "#line 1 \"$path\"\n{\n"
1468 . $source
1469 . "\n};\n1";
1470
1471 $todo{$base} = \%ext;
1472 }
1473
1474 my $pass = 0;
1475 my %done;
1476 while (%todo) {
1477 my $progress;
1478
1479 ++$pass;
1480
1481 ext:
1482 while (my ($k, $v) = each %todo) {
1483 for (split /,\s*/, $v->{meta}{depends}) {
1484 next ext
1485 unless exists $done{$_};
1486 }
1487
1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1489
1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1493 error "$v->{path}: $@\n";
1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1496 if exists $v->{meta}{mandatory};
1497
1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1499 delete $todo{$k};
1500 } else {
1501 $done{$k} = delete $todo{$k};
1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1507 }
1030 1 1508 }
1031 } or warn "$ext not loaded: $@"; 1509
1510 unless ($progress) {
1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1518 }
1032 } 1519 };
1033} 1520}
1034 1521
1035############################################################################# 1522#############################################################################
1036# load/save/clean perl data associated with a map
1037 1523
1038*cf::mapsupport::on_clean = sub { 1524=back
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 1525
1073=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1074 1527
1075Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1076 1529
1077=cut 1530=cut
1078 1531
1079package cf::player; 1532package cf::player;
1080 1533
1534use Coro::AIO;
1535
1081=head3 cf::player 1536=head3 cf::player
1082 1537
1083=over 4 1538=over 4
1084 1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
1553
1085=item cf::player::find $login 1554=item cf::player::find $login
1086 1555
1087Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1088 1557
1089=cut 1558=cut
1090 1559
1091sub playerdir($) { 1560sub playerdir($) {
1092 cf::localdir 1561 "$PLAYERDIR/"
1093 . "/"
1094 . cf::playerdir
1095 . "/"
1096 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1562 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1097} 1563}
1098 1564
1099sub path($) { 1565sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1566 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101 1567
1102 (playerdir $login) . "/$login.pl" 1568 (playerdir $login) . "/playerdata"
1103} 1569}
1104 1570
1105sub find_active($) { 1571sub find_active($) {
1106 $cf::PLAYER{$_[0]} 1572 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active 1573 and $cf::PLAYER{$_[0]}->active
1110 1576
1111sub exists($) { 1577sub exists($) {
1112 my ($login) = @_; 1578 my ($login) = @_;
1113 1579
1114 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 1581 or !aio_stat path $login
1116} 1582}
1117 1583
1118sub find($) { 1584sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 1586 my $login = $_[0];
1121 1587
1122 my $guard = cf::lock_acquire "user_find:$login"; 1588 my $guard = cf::lock_acquire "user_find:$login";
1123 1589
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 1590 $cf::PLAYER{$_[0]} || do {
1591 # rename old playerfiles to new ones
1592 #TODO: remove when no longer required
1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1596 aio_unlink +(playerdir $login) . "/$login.pl";
1597
1598 my $f = new_from_file cf::object::thawer path $login
1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1606 $cf::PLAYER{$login} = $pl
1607 }
1125 }; 1608 }
1126} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1127 1623
1128sub save($) { 1624sub save($) {
1129 my ($pl) = @_; 1625 my ($pl) = @_;
1130 1626
1131 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1133 my $path = path $pl; 1629 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1630 my $guard = cf::lock_acquire "user_save:$path";
1135 1631
1136 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1137 1633
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1140 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1141 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1142 Coro::cede; 1643 cf::cede_to_tick;
1143} 1644}
1144 1645
1145sub new($) { 1646sub new($) {
1146 my ($login) = @_; 1647 my ($login) = @_;
1147 1648
1153 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1154 1655
1155 $self 1656 $self
1156} 1657}
1157 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1669=item $pl->quit_character
1670
1671Nukes the player without looking back. If logged in, the connection will
1672be destroyed. May block for a long time.
1673
1674=cut
1675
1158sub quit_character { 1676sub quit_character {
1159 my ($pl) = @_; 1677 my ($pl) = @_;
1160 1678
1679 my $name = $pl->ob->name;
1680
1161 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1162 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1163 1683
1164 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1165 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1167 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1168 1692
1169 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 Coro::AIO::aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1172 delete $cf::PLAYER{$pl->ob->name}; 1696 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy; 1697 $pl->destroy;
1698
1699 my $prefix = qr<^~\Q$name\E/>;
1700
1701 # nuke player maps
1702 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1703
1174 IO::AIO::aio_rmtree $temp; 1704 IO::AIO::aio_rmtree $temp;
1175} 1705}
1176 1706
1707=item $pl->kick
1708
1709Kicks a player out of the game. This destroys the connection.
1710
1711=cut
1712
1713sub kick {
1714 my ($pl, $kicker) = @_;
1715
1716 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1717 $pl->killer ("kicked");
1718 $pl->ns->destroy;
1719}
1720
1721=item cf::player::list_logins
1722
1723Returns am arrayref of all valid playernames in the system, can take a
1724while and may block, so not sync_job-capable, ever.
1725
1726=cut
1727
1728sub list_logins {
1729 my $dirs = aio_readdir $PLAYERDIR
1730 or return [];
1731
1732 my @logins;
1733
1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1744
1745 utf8::decode $login;
1746 push @logins, $login;
1747 }
1748
1749 \@logins
1750}
1751
1752=item $player->maps
1753
1754=item cf::player::maps $login
1755
1756Returns an arrayref of map paths that are private for this
1757player. May block.
1758
1759=cut
1760
1761sub maps($) {
1762 my ($pl) = @_;
1763
1764 $pl = ref $pl ? $pl->ob->name : $pl;
1765
1766 my $files = aio_readdir playerdir $pl
1767 or return;
1768
1769 my @paths;
1770
1771 for (@$files) {
1772 utf8::decode $_;
1773 next if /\.(?:pl|pst)$/;
1774 next unless /^$PATH_SEP/o;
1775
1776 push @paths, cf::map::normalise "~$pl/$_";
1777 }
1778
1779 \@paths
1780}
1781
1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1783
1784Expand deliantra pod fragments into protocol xml.
1785
1177=item $player->ext_reply ($msgid, $msgtype, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1178 1787
1179Sends an ext reply to the player. 1788Sends an ext reply to the player.
1180 1789
1181=cut 1790=cut
1182 1791
1183sub ext_reply($$$%) { 1792sub ext_reply($$@) {
1184 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1185 1794
1186 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1187
1188 $self->send ("ext " . cf::to_json \%msg);
1189} 1796}
1190 1797
1191package cf; 1798=item $player->ext_msg ($type, @msg)
1799
1800Sends an ext event to the client.
1801
1802=cut
1803
1804sub ext_msg($$@) {
1805 my ($self, $type, @msg) = @_;
1806
1807 $self->ns->ext_msg ($type, @msg);
1808}
1809
1810=head3 cf::region
1811
1812=over 4
1813
1814=cut
1815
1816package cf::region;
1817
1818=item cf::region::find_by_path $path
1819
1820Tries to decuce the likely region for a map knowing only its path.
1821
1822=cut
1823
1824sub find_by_path($) {
1825 my ($path) = @_;
1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1829 my ($match, $specificity);
1830
1831 for my $region (list) {
1832 if ($region->{match} && $path =~ $region->{match}) {
1833 ($match, $specificity) = ($region, $region->specificity)
1834 if $region->specificity > $specificity;
1835 }
1836 }
1837
1838 $match
1839}
1192 1840
1193=back 1841=back
1194
1195 1842
1196=head3 cf::map 1843=head3 cf::map
1197 1844
1198=over 4 1845=over 4
1199 1846
1202package cf::map; 1849package cf::map;
1203 1850
1204use Fcntl; 1851use Fcntl;
1205use Coro::AIO; 1852use Coro::AIO;
1206 1853
1854use overload
1855 '""' => \&as_string,
1856 fallback => 1;
1857
1207our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1208our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1209 1860
1210sub generate_random_map { 1861sub generate_random_map {
1211 my ($path, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1212 1865
1213 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1214 cf::map::_create_random_map 1867 $self->_create_random_map (
1215 $path,
1216 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1218 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1220 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1221 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1875 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1876 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1877 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226 (cf::region::find $rmp->{region}) 1878 (cf::region::find $rmp->{region}), $rmp->{custom}
1879 )
1227} 1880}
1228 1881
1229# and all this just because we cannot iterate over 1882=item cf::map->register ($regex, $prio)
1230# all maps in C++...
1231sub change_all_map_light {
1232 my ($change) = @_;
1233 1883
1234 $_->change_map_light ($change) 1884Register a handler for the map path matching the given regex at the
1235 for grep $_->outdoor, values %cf::MAP; 1885givne priority (higher is better, built-in handlers have priority 0, the
1236} 1886default).
1237 1887
1238sub try_load_header($) { 1888=cut
1889
1890sub register {
1891 my (undef, $regex, $prio) = @_;
1892 my $pkg = caller;
1893
1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1895
1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1897}
1898
1899# also paths starting with '/'
1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1901
1902sub thawer_merge {
1903 my ($self, $merge) = @_;
1904
1905 # we have to keep some variables in memory intact
1906 local $self->{path};
1907 local $self->{load_path};
1908
1909 $self->SUPER::thawer_merge ($merge);
1910}
1911
1912sub normalise {
1239 my ($path) = @_; 1913 my ($path, $base) = @_;
1914
1915 $path = "$path"; # make sure it's a string
1916
1917 $path =~ s/\.map$//;
1918
1919 # map plan:
1920 #
1921 # /! non-realised random map exit (special hack!)
1922 # {... are special paths that are not being touched
1923 # ?xxx/... are special absolute paths
1924 # ?random/... random maps
1925 # /... normal maps
1926 # ~user/... per-player map of a specific user
1927
1928 $path =~ s/$PATH_SEP/\//go;
1929
1930 # treat it as relative path if it starts with
1931 # something that looks reasonable
1932 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1933 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1934
1935 $base =~ s{[^/]+/?$}{};
1936 $path = "$base/$path";
1937 }
1938
1939 for ($path) {
1940 redo if s{/\.?/}{/};
1941 redo if s{/[^/]+/\.\./}{/};
1942 }
1943
1944 $path
1945}
1946
1947sub new_from_path {
1948 my (undef, $path, $base) = @_;
1949
1950 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1951
1952 $path = normalise $path, $base;
1953
1954 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1955 if ($path =~ $EXT_MAP{$pkg}[1]) {
1956 my $self = bless cf::map::new, $pkg;
1957 $self->{path} = $path; $self->path ($path);
1958 $self->init; # pass $1 etc.
1959 return $self;
1960 }
1961 }
1962
1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1964 ()
1965}
1966
1967sub init {
1968 my ($self) = @_;
1969
1970 $self
1971}
1972
1973sub as_string {
1974 my ($self) = @_;
1975
1976 "$self->{path}"
1977}
1978
1979# the displayed name, this is a one way mapping
1980sub visible_name {
1981 &as_string
1982}
1983
1984# the original (read-only) location
1985sub load_path {
1986 my ($self) = @_;
1987
1988 "$MAPDIR/$self->{path}.map"
1989}
1990
1991# the temporary/swap location
1992sub save_path {
1993 my ($self) = @_;
1994
1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1996 "$TMPDIR/$path.map"
1997}
1998
1999# the unique path, undef == no special unique path
2000sub uniq_path {
2001 my ($self) = @_;
2002
2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
2004 "$UNIQUEDIR/$path"
2005}
2006
2007sub decay_objects {
2008 my ($self) = @_;
2009
2010 return if $self->{deny_reset};
2011
2012 $self->do_decay_objects;
2013}
2014
2015sub unlink_save {
2016 my ($self) = @_;
2017
2018 utf8::encode (my $save = $self->save_path);
2019 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
2020 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
2021}
2022
2023sub load_header_from($) {
2024 my ($self, $path) = @_;
1240 2025
1241 utf8::encode $path; 2026 utf8::encode $path;
1242 aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1243 or return; 2028 or return;
1244 2029
1245 my $map = cf::map::new 2030 $self->_load_header ($f)
1246 or return; 2031 or return;
1247 2032
1248 # for better error messages only, will be overwritten 2033 local $MAP_LOADING{$self->{path}} = $self;
1249 $map->path ($path); 2034 $f->resolve_delayed_derefs;
1250 2035
1251 $map->load_header ($path) 2036 $self->{load_path} = $path;
2037
2038 1
2039}
2040
2041sub load_header_orig {
2042 my ($self) = @_;
2043
2044 $self->load_header_from ($self->load_path)
2045}
2046
2047sub load_header_temp {
2048 my ($self) = @_;
2049
2050 $self->load_header_from ($self->save_path)
2051}
2052
2053sub prepare_temp {
2054 my ($self) = @_;
2055
2056 $self->last_access ((delete $self->{last_access})
2057 || $cf::RUNTIME); #d#
2058 # safety
2059 $self->{instantiate_time} = $cf::RUNTIME
2060 if $self->{instantiate_time} > $cf::RUNTIME;
2061}
2062
2063sub prepare_orig {
2064 my ($self) = @_;
2065
2066 $self->{load_original} = 1;
2067 $self->{instantiate_time} = $cf::RUNTIME;
2068 $self->last_access ($cf::RUNTIME);
2069 $self->instantiate;
2070}
2071
2072sub load_header {
2073 my ($self) = @_;
2074
2075 if ($self->load_header_temp) {
2076 $self->prepare_temp;
2077 } else {
2078 $self->load_header_orig
1252 or return; 2079 or return;
2080 $self->prepare_orig;
2081 }
1253 2082
1254 $map->{load_path} = $path; 2083 $self->{deny_reset} = 1
2084 if $self->no_reset;
1255 2085
1256 $map 2086 $self->default_region (cf::region::find_by_path $self->{path})
2087 unless $self->default_region;
2088
2089 1
1257} 2090}
1258 2091
1259sub find; 2092sub find;
1260sub find { 2093sub find {
1261 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1262 2095
1263 #warn "find<$path,$origin>\n";#d# 2096 cf::cede_to_tick;
1264 2097
1265 $path = new cf::path $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1266 my $key = $path->as_string;
1267 2099
1268 cf::lock_wait "map_find:$key"; 2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1269
1270 $cf::MAP{$key} || do {
1271 my $guard = cf::lock_acquire "map_find:$key"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1272 2102
1273 # do it the slow way 2103 $cf::MAP{$path} || do {
1274 my $map = try_load_header $path->save_path; 2104 my $map = new_from_path cf::map $path
1275
1276 Coro::cede;
1277
1278 if ($map) {
1279 $map->last_access ((delete $map->{last_access})
1280 || $cf::RUNTIME); #d#
1281 # safety
1282 $map->{instantiate_time} = $cf::RUNTIME
1283 if $map->{instantiate_time} > $cf::RUNTIME;
1284 } else {
1285 if (my $rmp = $path->random_map_params) {
1286 $map = generate_random_map $key, $rmp;
1287 } else {
1288 $map = try_load_header $path->load_path;
1289 }
1290
1291 $map or return; 2105 or return;
1292 2106
1293 $map->{load_original} = 1;
1294 $map->{instantiate_time} = $cf::RUNTIME;
1295 $map->last_access ($cf::RUNTIME);
1296 $map->instantiate;
1297
1298 # per-player maps become, after loading, normal maps
1299 $map->per_player (0) if $path->{user_rel};
1300 }
1301
1302 $map->path ($key);
1303 $map->{path} = $path;
1304 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1305 2108
1306 Coro::cede; 2109 $map->load_header
2110 or return;
1307 2111
1308 if ($map->should_reset) { 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2113 # doing this can freeze the server in a sync job, obviously
2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1309 $map->reset; 2117 $map->reset;
1310 undef $guard;
1311 $map = find $path 2118 return find $path;
1312 or return;
1313 } 2119 }
1314 2120
1315 $cf::MAP{$key} = $map 2121 $cf::MAP{$path} = $map
1316 } 2122 }
1317} 2123}
2124
2125sub pre_load { }
2126#sub post_load { } # XS
1318 2127
1319sub load { 2128sub load {
1320 my ($self) = @_; 2129 my ($self) = @_;
1321 2130
2131 local $self->{deny_reset} = 1; # loading can take a long time
2132
1322 my $path = $self->{path}; 2133 my $path = $self->{path};
2134
2135 {
1323 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2136 my $guard = cf::lock_acquire "map_data:$path";
1324 2137
2138 return unless $self->valid;
1325 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1326 2140
1327 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1328 2142
1329 $self->alloc; 2143 $self->alloc;
1330 $self->load_objects ($self->{load_path}, 1) 2144
2145 $self->pre_load;
2146 cf::cede_to_tick;
2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
2150 $self->_load_objects ($f)
1331 or return; 2151 or return;
1332 2152
1333 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1334 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1335 2155
1336 if (my $uniq = $path->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1337 utf8::encode $uniq; 2157 utf8::encode $uniq;
1338 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1339 $self->clear_unique_items; 2160 $self->clear_unique_items;
1340 $self->load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1341 } 2164 }
1342 } 2165 }
1343 2166
1344 Coro::cede; 2167 $f->resolve_delayed_derefs;
1345 2168
2169 cf::cede_to_tick;
1346 # now do the right thing for maps 2170 # now do the right thing for maps
1347 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1348
1349 if ($self->{path}->is_style_map) {
1350 $self->{deny_save} = 1;
1351 $self->{deny_reset} = 1;
1352 } else {
1353 $self->fix_auto_apply;
1354 $self->decay_objects;
1355 $self->update_buttons;
1356 $self->set_darkness_map;
1357 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1358 unless $self->difficulty; 2173 unless $self->difficulty;
2174 cf::cede_to_tick;
2175
2176 unless ($self->{deny_activate}) {
2177 $self->decay_objects;
2178 $self->fix_auto_apply;
2179 $self->update_buttons;
2180 cf::cede_to_tick;
1359 $self->activate; 2181 $self->activate;
1360 } 2182 }
1361 2183
1362 Coro::cede; 2184 $self->{last_save} = $cf::RUNTIME;
2185 $self->last_access ($cf::RUNTIME);
1363 2186
1364 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
2188 }
2189
2190 $self->post_load;
2191}
2192
2193# customize the map for a given player, i.e.
2194# return the _real_ map. used by e.g. per-player
2195# maps to change the path to ~playername/mappath
2196sub customise_for {
2197 my ($self, $ob) = @_;
2198
2199 return find "~" . $ob->name . "/" . $self->{path}
2200 if $self->per_player;
2201
2202# return find "?party/" . $ob->name . "/" . $self->{path}
2203# if $self->per_party;
2204
2205 $self
2206}
2207
2208# find and load all maps in the 3x3 area around a map
2209sub load_neighbours {
2210 my ($map) = @_;
2211
2212 my @neigh; # diagonal neighbours
2213
2214 for (0 .. 3) {
2215 my $neigh = $map->tile_path ($_)
2216 or next;
2217 $neigh = find $neigh, $map
2218 or next;
2219 $neigh->load;
2220
2221 # now find the diagonal neighbours
2222 push @neigh,
2223 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2224 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2225 }
2226
2227 for (grep defined $_->[0], @neigh) {
2228 my ($path, $origin) = @$_;
2229 my $neigh = find $path, $origin
2230 or next;
2231 $neigh->load;
2232 }
1365} 2233}
1366 2234
1367sub find_sync { 2235sub find_sync {
1368 my ($path, $origin) = @_; 2236 my ($path, $origin) = @_;
1369 2237
1370 cf::sync_job { cf::map::find $path, $origin } 2238 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2239 if $Coro::current == $Coro::main;
2240
2241 find $path, $origin
1371} 2242}
1372 2243
1373sub do_load_sync { 2244sub do_load_sync {
1374 my ($map) = @_; 2245 my ($map) = @_;
1375 2246
1376 cf::sync_job { $map->load }; 2247 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2248 if $Coro::current == $Coro::main;
2249
2250 $map->load;
2251}
2252
2253our %MAP_PREFETCH;
2254our $MAP_PREFETCHER = undef;
2255
2256sub find_async {
2257 my ($path, $origin, $load) = @_;
2258
2259 $path = normalise $path, $origin && $origin->{path};
2260
2261 if (my $map = $cf::MAP{$path}) {
2262 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2263 }
2264
2265 $MAP_PREFETCH{$path} |= $load;
2266
2267 $MAP_PREFETCHER ||= cf::async {
2268 $Coro::current->{desc} = "map prefetcher";
2269
2270 while (%MAP_PREFETCH) {
2271 while (my ($k, $v) = each %MAP_PREFETCH) {
2272 if (my $map = find $k) {
2273 $map->load if $v;
2274 }
2275
2276 delete $MAP_PREFETCH{$k};
2277 }
2278 }
2279 undef $MAP_PREFETCHER;
2280 };
2281 $MAP_PREFETCHER->prio (6);
2282
2283 ()
2284}
2285
2286# common code, used by both ->save and ->swapout
2287sub _save {
2288 my ($self) = @_;
2289
2290 $self->{last_save} = $cf::RUNTIME;
2291
2292 return unless $self->dirty;
2293
2294 my $save = $self->save_path; utf8::encode $save;
2295 my $uniq = $self->uniq_path; utf8::encode $uniq;
2296
2297 $self->{load_path} = $save;
2298
2299 return if $self->{deny_save};
2300
2301 local $self->{last_access} = $self->last_access;#d#
2302
2303 cf::async {
2304 $Coro::current->{desc} = "map player save";
2305 $_->contr->save for $self->players;
2306 };
2307
2308 cf::get_slot 0.02;
2309
2310 if ($uniq) {
2311 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2312 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2313 } else {
2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2315 }
1377} 2316}
1378 2317
1379sub save { 2318sub save {
1380 my ($self) = @_; 2319 my ($self) = @_;
1381 2320
1382 my $lock = cf::lock_acquire "map_data:" . $self->path; 2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
1383 2322
1384 $self->{last_save} = $cf::RUNTIME; 2323 $self->_save;
1385
1386 return unless $self->dirty;
1387
1388 my $save = $self->{path}->save_path; utf8::encode $save;
1389 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1390
1391 $self->{load_path} = $save;
1392
1393 return if $self->{deny_save};
1394
1395 local $self->{last_access} = $self->last_access;#d#
1396
1397 cf::async {
1398 $_->contr->save for $self->players;
1399 };
1400
1401 if ($uniq) {
1402 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403 $self->save_objects ($uniq, cf::IO_UNIQUES);
1404 } else {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406 }
1407} 2324}
1408 2325
1409sub swap_out { 2326sub swap_out {
1410 my ($self) = @_; 2327 my ($self) = @_;
1411 2328
1412 # save first because save cedes
1413 $self->save;
1414
1415 my $lock = cf::lock_acquire "map_data:" . $self->path; 2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
1416 2330
2331 return if $self->in_memory != cf::MAP_ACTIVE;
2332 return if $self->{deny_save};
1417 return if $self->players; 2333 return if $self->players;
1418 return if $self->in_memory != cf::MAP_IN_MEMORY;
1419 return if $self->{deny_save};
1420 2334
2335 # first deactivate the map and "unlink" it from the core
2336 $self->deactivate;
2337 $_->clear_links_to ($self) for values %cf::MAP;
2338 $self->in_memory (cf::MAP_SWAPPED);
2339
2340 # then atomically save
2341 $self->_save;
2342
2343 # then free the map
1421 $self->clear; 2344 $self->clear;
1422 $self->in_memory (cf::MAP_SWAPPED);
1423} 2345}
1424 2346
1425sub reset_at { 2347sub reset_at {
1426 my ($self) = @_; 2348 my ($self) = @_;
1427 2349
1428 # TODO: safety, remove and allow resettable per-player maps 2350 # TODO: safety, remove and allow resettable per-player maps
1429 return 1e99 if $self->{path}{user_rel};
1430 return 1e99 if $self->{deny_reset}; 2351 return 1e99 if $self->{deny_reset};
1431 2352
1432 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2353 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2354 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434 2355
1439 my ($self) = @_; 2360 my ($self) = @_;
1440 2361
1441 $self->reset_at <= $cf::RUNTIME 2362 $self->reset_at <= $cf::RUNTIME
1442} 2363}
1443 2364
1444sub unlink_save {
1445 my ($self) = @_;
1446
1447 utf8::encode (my $save = $self->{path}->save_path);
1448 aioreq_pri 3; IO::AIO::aio_unlink $save;
1449 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450}
1451
1452sub rename {
1453 my ($self, $new_path) = @_;
1454
1455 $self->unlink_save;
1456
1457 delete $cf::MAP{$self->path};
1458 $self->{path} = new cf::path $new_path;
1459 $self->path ($self->{path}->as_string);
1460 $cf::MAP{$self->path} = $self;
1461
1462 $self->save;
1463}
1464
1465sub reset { 2365sub reset {
1466 my ($self) = @_; 2366 my ($self) = @_;
1467 2367
1468 my $lock = cf::lock_acquire "map_data:" . $self->path; 2368 my $lock = cf::lock_acquire "map_data:$self->{path}";
1469 2369
1470 return if $self->players; 2370 return if $self->players;
1471 return if $self->{path}{user_rel};#d#
1472 2371
1473 warn "resetting map ", $self->path;#d# 2372 cf::trace "resetting map ", $self->path, "\n";
2373
2374 $self->in_memory (cf::MAP_SWAPPED);
2375
2376 # need to save uniques path
2377 unless ($self->{deny_save}) {
2378 my $uniq = $self->uniq_path; utf8::encode $uniq;
2379
2380 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2381 if $uniq;
2382 }
1474 2383
1475 delete $cf::MAP{$self->path}; 2384 delete $cf::MAP{$self->path};
1476 2385
2386 $self->deactivate;
1477 $_->clear_links_to ($self) for values %cf::MAP; 2387 $_->clear_links_to ($self) for values %cf::MAP;
2388 $self->clear;
1478 2389
1479 $self->unlink_save; 2390 $self->unlink_save;
1480 $self->destroy; 2391 $self->destroy;
1481} 2392}
1482 2393
1483my $nuke_counter = "aaaa"; 2394my $nuke_counter = "aaaa";
1484 2395
1485sub nuke { 2396sub nuke {
1486 my ($self) = @_; 2397 my ($self) = @_;
1487 2398
2399 {
2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
2401
2402 delete $cf::MAP{$self->path};
2403
2404 $self->unlink_save;
2405
2406 bless $self, "cf::map::wrap";
2407 delete $self->{deny_reset};
1488 $self->{deny_save} = 1; 2408 $self->{deny_save} = 1;
1489 $self->reset_timeout (1); 2409 $self->reset_timeout (1);
1490 $self->rename ("{nuke}/" . ($nuke_counter++)); 2410 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2411
2412 $cf::MAP{$self->path} = $self;
2413 }
2414
1491 $self->reset; # polite request, might not happen 2415 $self->reset; # polite request, might not happen
1492} 2416}
1493 2417
1494sub customise_for { 2418=item $maps = cf::map::tmp_maps
1495 my ($map, $ob) = @_;
1496 2419
1497 if ($map->per_player) { 2420Returns an arrayref with all map paths of currently instantiated and saved
1498 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2421maps. May block.
2422
2423=cut
2424
2425sub tmp_maps() {
1499 } 2426 [
1500 2427 map {
1501 $map 2428 utf8::decode $_;
2429 /\.map$/
2430 ? normalise $_
2431 : ()
2432 } @{ aio_readdir $TMPDIR or [] }
2433 ]
1502} 2434}
1503 2435
1504sub emergency_save { 2436=item $maps = cf::map::random_maps
1505 my $freeze_guard = cf::freeze_mainloop;
1506 2437
1507 warn "enter emergency perl save\n"; 2438Returns an arrayref with all map paths of currently instantiated and saved
2439random maps. May block.
1508 2440
1509 cf::sync_job { 2441=cut
1510 warn "begin emergency player save\n";
1511 $_->save for values %cf::PLAYER;
1512 warn "end emergency player save\n";
1513 2442
1514 warn "begin emergency map save\n"; 2443sub random_maps() {
1515 $_->save for values %cf::MAP; 2444 [
1516 warn "end emergency map save\n"; 2445 map {
2446 utf8::decode $_;
2447 /\.map$/
2448 ? normalise "?random/$_"
2449 : ()
2450 } @{ aio_readdir $RANDOMDIR or [] }
2451 ]
2452}
2453
2454=item cf::map::unique_maps
2455
2456Returns an arrayref of paths of all shared maps that have
2457instantiated unique items. May block.
2458
2459=cut
2460
2461sub unique_maps() {
2462 [
2463 map {
2464 utf8::decode $_;
2465 s/\.map$//; # TODO future compatibility hack
2466 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2467 ? ()
2468 : normalise $_
2469 } @{ aio_readdir $UNIQUEDIR or [] }
2470 ]
2471}
2472
2473=item cf::map::static_maps
2474
2475Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2476file in the shared directory excluding F</styles> and F</editor>). May
2477block.
2478
2479=cut
2480
2481sub static_maps() {
2482 my @dirs = "";
2483 my @maps;
2484
2485 while (@dirs) {
2486 my $dir = shift @dirs;
2487
2488 next if $dir eq "/styles" || $dir eq "/editor";
2489
2490 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2491 or return;
2492
2493 for (@$files) {
2494 s/\.map$// or next;
2495 utf8::decode $_;
2496 push @maps, "$dir/$_";
2497 }
2498
2499 push @dirs, map "$dir/$_", @$dirs;
1517 }; 2500 }
1518 2501
1519 warn "leave emergency perl save\n"; 2502 \@maps
2503}
2504
2505=back
2506
2507=head3 cf::object
2508
2509=cut
2510
2511package cf::object;
2512
2513=over 4
2514
2515=item $ob->inv_recursive
2516
2517Returns the inventory of the object I<and> their inventories, recursively,
2518but I<not> the object itself.
2519
2520=cut
2521
2522sub inv_recursive_;
2523sub inv_recursive_ {
2524 map { $_, inv_recursive_ $_->inv } @_
2525}
2526
2527sub inv_recursive {
2528 inv_recursive_ inv $_[0]
2529}
2530
2531=item $ref = $ob->ref
2532
2533Creates and returns a persistent reference to an object that can be stored as a string.
2534
2535=item $ob = cf::object::deref ($refstring)
2536
2537returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2538even if the object actually exists. May block.
2539
2540=cut
2541
2542sub deref {
2543 my ($ref) = @_;
2544
2545 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2546 my ($uuid, $name) = ($1, $2);
2547 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2548 or return;
2549 $pl->ob->uuid eq $uuid
2550 or return;
2551
2552 $pl->ob
2553 } else {
2554 warn "$ref: cannot resolve object reference\n";
2555 undef
2556 }
1520} 2557}
1521 2558
1522package cf; 2559package cf;
1523 2560
1524=back 2561=back
1525
1526 2562
1527=head3 cf::object::player 2563=head3 cf::object::player
1528 2564
1529=over 4 2565=over 4
1530 2566
1533Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2569Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1534can be C<undef>. Does the right thing when the player is currently in a 2570can be C<undef>. Does the right thing when the player is currently in a
1535dialogue with the given NPC character. 2571dialogue with the given NPC character.
1536 2572
1537=cut 2573=cut
2574
2575our $SAY_CHANNEL = {
2576 id => "say",
2577 title => "Map",
2578 reply => "say ",
2579 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2580};
2581
2582our $CHAT_CHANNEL = {
2583 id => "chat",
2584 title => "Chat",
2585 reply => "chat ",
2586 tooltip => "Player chat and shouts, global to the server.",
2587};
1538 2588
1539# rough implementation of a future "reply" method that works 2589# rough implementation of a future "reply" method that works
1540# with dialog boxes. 2590# with dialog boxes.
1541#TODO: the first argument must go, split into a $npc->reply_to ( method 2591#TODO: the first argument must go, split into a $npc->reply_to ( method
1542sub cf::object::player::reply($$$;$) { 2592sub cf::object::player::reply($$$;$) {
1544 2594
1545 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2595 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1546 2596
1547 if ($self->{record_replies}) { 2597 if ($self->{record_replies}) {
1548 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2598 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2599
1549 } else { 2600 } else {
2601 my $pl = $self->contr;
2602
2603 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2604 my $dialog = $pl->{npc_dialog};
2605 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2606
2607 } else {
1550 $msg = $npc->name . " says: $msg" if $npc; 2608 $msg = $npc->name . " says: $msg" if $npc;
1551 $self->message ($msg, $flags); 2609 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2610 }
1552 } 2611 }
2612}
2613
2614=item $object->send_msg ($channel, $msg, $color, [extra...])
2615
2616=cut
2617
2618sub cf::object::send_msg {
2619 my $pl = shift->contr
2620 or return;
2621 $pl->send_msg (@_);
1553} 2622}
1554 2623
1555=item $player_object->may ("access") 2624=item $player_object->may ("access")
1556 2625
1557Returns wether the given player is authorized to access resource "access" 2626Returns wether the given player is authorized to access resource "access"
1570 2639
1571=item $player_object->enter_link 2640=item $player_object->enter_link
1572 2641
1573Freezes the player and moves him/her to a special map (C<{link}>). 2642Freezes the player and moves him/her to a special map (C<{link}>).
1574 2643
1575The player should be reaosnably safe there for short amounts of time. You 2644The player should be reasonably safe there for short amounts of time (e.g.
1576I<MUST> call C<leave_link> as soon as possible, though. 2645for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2646though, as the player cannot control the character while it is on the link
2647map.
2648
2649Will never block.
1577 2650
1578=item $player_object->leave_link ($map, $x, $y) 2651=item $player_object->leave_link ($map, $x, $y)
1579 2652
1580Moves the player out of the specila link map onto the given map. If the 2653Moves the player out of the special C<{link}> map onto the specified
1581map is not valid (or omitted), the player will be moved back to the 2654map. If the map is not valid (or omitted), the player will be moved back
1582location he/she was before the call to C<enter_link>, or, if that fails, 2655to the location he/she was before the call to C<enter_link>, or, if that
1583to the emergency map position. 2656fails, to the emergency map position.
1584 2657
1585Might block. 2658Might block.
1586 2659
1587=cut 2660=cut
2661
2662sub link_map {
2663 unless ($LINK_MAP) {
2664 $LINK_MAP = cf::map::find "{link}"
2665 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2666 $LINK_MAP->load;
2667 }
2668
2669 $LINK_MAP
2670}
1588 2671
1589sub cf::object::player::enter_link { 2672sub cf::object::player::enter_link {
1590 my ($self) = @_; 2673 my ($self) = @_;
1591 2674
1592 $self->deactivate_recursive; 2675 $self->deactivate_recursive;
1593 2676
1594 return if $self->map == $LINK_MAP; 2677 ++$self->{_link_recursion};
2678
2679 return if UNIVERSAL::isa $self->map, "ext::map_link";
1595 2680
1596 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597 if $self->map; 2682 if $self->map && $self->map->{path} ne "{link}";
1598 2683
1599 $self->enter_map ($LINK_MAP, 20, 20); 2684 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1600} 2685}
1601 2686
1602sub cf::object::player::leave_link { 2687sub cf::object::player::leave_link {
1603 my ($self, $map, $x, $y) = @_; 2688 my ($self, $map, $x, $y) = @_;
2689
2690 return unless $self->contr->active;
1604 2691
1605 my $link_pos = delete $self->{_link_pos}; 2692 my $link_pos = delete $self->{_link_pos};
1606 2693
1607 unless ($map) { 2694 unless ($map) {
1608 # restore original map position 2695 # restore original map position
1619 ($x, $y) = (-1, -1) 2706 ($x, $y) = (-1, -1)
1620 unless (defined $x) && (defined $y); 2707 unless (defined $x) && (defined $y);
1621 2708
1622 # use -1 or undef as default coordinates, not 0, 0 2709 # use -1 or undef as default coordinates, not 0, 0
1623 ($x, $y) = ($map->enter_x, $map->enter_y) 2710 ($x, $y) = ($map->enter_x, $map->enter_y)
1624 if $x <=0 && $y <= 0; 2711 if $x <= 0 && $y <= 0;
1625 2712
1626 $map->load; 2713 $map->load;
2714 $map->load_neighbours;
1627 2715
1628 return unless $self->contr->active; 2716 return unless $self->contr->active;
2717
2718 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2719 if ($self->enter_map ($map, $x, $y)) {
2720 # entering was successful
2721 delete $self->{_link_recursion};
2722 # only activate afterwards, to support waiting in hooks
1629 $self->activate_recursive; 2723 $self->activate_recursive;
1630 $self->enter_map ($map, $x, $y);
1631}
1632
1633cf::player->attach (
1634 on_logout => sub {
1635 my ($pl) = @_;
1636
1637 # abort map switching before logout
1638 if ($pl->ob->{_link_pos}) {
1639 cf::sync_job {
1640 $pl->ob->leave_link
1641 };
1642 }
1643 }, 2724 }
1644 on_login => sub {
1645 my ($pl) = @_;
1646 2725
1647 # try to abort aborted map switching on player login :) 2726}
1648 # should happen only on crashes
1649 if ($pl->ob->{_link_pos}) {
1650 $pl->ob->enter_link;
1651 (async {
1652 # we need this sleep as the login has a concurrent enter_exit running
1653 # and this sleep increases chances of the player not ending up in scorn
1654 $pl->ob->reply (undef,
1655 "There was an internal problem at your last logout, "
1656 . "the server will try to bring you to your intended destination in a second.",
1657 cf::NDI_RED);
1658 Coro::Timer::sleep 1;
1659 $pl->ob->leave_link;
1660 })->prio (2);
1661 }
1662 },
1663);
1664 2727
1665=item $player_object->goto ($path, $x, $y) 2728=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1666 2729
2730Moves the player to the given map-path and coordinates by first freezing
2731her, loading and preparing them map, calling the provided $check callback
2732that has to return the map if sucecssful, and then unfreezes the player on
2733the new (success) or old (failed) map position. In either case, $done will
2734be called at the end of this process.
2735
2736Note that $check will be called with a potentially non-loaded map, so if
2737it needs a loaded map it has to call C<< ->load >>.
2738
1667=cut 2739=cut
2740
2741our $GOTOGEN;
1668 2742
1669sub cf::object::player::goto { 2743sub cf::object::player::goto {
1670 my ($self, $path, $x, $y) = @_; 2744 my ($self, $path, $x, $y, $check, $done) = @_;
2745
2746 if ($self->{_link_recursion} >= $MAX_LINKS) {
2747 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2748 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2749 ($path, $x, $y) = @$EMERGENCY_POSITION;
2750 }
2751
2752 # do generation counting so two concurrent goto's will be executed in-order
2753 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1671 2754
1672 $self->enter_link; 2755 $self->enter_link;
1673 2756
1674 (async { 2757 (async {
1675 $path = new cf::path $path; 2758 $Coro::current->{desc} = "player::goto $path $x $y";
1676 2759
1677 my $map = cf::map::find $path->as_string; 2760 # *tag paths override both path and x|y
2761 if ($path =~ /^\*(.*)$/) {
2762 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2763 my $ob = $obs[rand @obs];
2764
2765 # see if we actually can go there
2766 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2767 $ob = $obs[rand @obs];
2768 } else {
2769 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2770 }
2771 # else put us there anyways for now #d#
2772
2773 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2774 } else {
2775 ($path, $x, $y) = (undef, undef, undef);
2776 }
2777 }
2778
2779 my $map = eval {
2780 my $map = defined $path ? cf::map::find $path : undef;
2781
2782 if ($map) {
1678 $map = $map->customise_for ($self) if $map; 2783 $map = $map->customise_for ($self);
1679 2784 $map = $check->($map, $x, $y, $self) if $check && $map;
1680# warn "entering ", $map->path, " at ($x, $y)\n" 2785 } else {
1681# if $map;
1682
1683 $map or $map->cluck ("oy");#d#
1684 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2786 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2787 }
1685 2788
2789 $map
2790 };
2791
2792 if ($@) {
2793 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2794 LOG llevError | logBacktrace, Carp::longmess $@;
2795 }
2796
2797 if ($gen == $self->{_goto_generation}) {
2798 delete $self->{_goto_generation};
1686 $self->leave_link ($map, $x, $y); 2799 $self->leave_link ($map, $x, $y);
2800 }
2801
2802 $done->($self) if $done;
1687 })->prio (1); 2803 })->prio (1);
1688} 2804}
1689 2805
1690=item $player_object->enter_exit ($exit_object) 2806=item $player_object->enter_exit ($exit_object)
1691 2807
1693 2809
1694sub parse_random_map_params { 2810sub parse_random_map_params {
1695 my ($spec) = @_; 2811 my ($spec) = @_;
1696 2812
1697 my $rmp = { # defaults 2813 my $rmp = { # defaults
1698 xsize => 10, 2814 xsize => (cf::rndm 15, 40),
1699 ysize => 10, 2815 ysize => (cf::rndm 15, 40),
2816 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2817 #layout => string,
1700 }; 2818 };
1701 2819
1702 for (split /\n/, $spec) { 2820 for (split /\n/, $spec) {
1703 my ($k, $v) = split /\s+/, $_, 2; 2821 my ($k, $v) = split /\s+/, $_, 2;
1704 2822
1716 # that depends on the exit object 2834 # that depends on the exit object
1717 2835
1718 my $rmp = parse_random_map_params $exit->msg; 2836 my $rmp = parse_random_map_params $exit->msg;
1719 2837
1720 if ($exit->map) { 2838 if ($exit->map) {
1721 $rmp->{region} = $exit->map->region_name; 2839 $rmp->{region} = $exit->region->name;
1722 $rmp->{origin_map} = $exit->map->path; 2840 $rmp->{origin_map} = $exit->map->path;
1723 $rmp->{origin_x} = $exit->x; 2841 $rmp->{origin_x} = $exit->x;
1724 $rmp->{origin_y} = $exit->y; 2842 $rmp->{origin_y} = $exit->y;
2843
2844 $exit->map->touch;
1725 } 2845 }
1726 2846
1727 $rmp->{random_seed} ||= $exit->random_seed; 2847 $rmp->{random_seed} ||= $exit->random_seed;
1728 2848
1729 my $data = cf::to_json $rmp; 2849 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1730 my $md5 = Digest::MD5::md5_hex $data; 2850 my $md5 = Digest::MD5::md5_hex $data;
2851 my $meta = "$RANDOMDIR/$md5.meta";
1731 2852
1732 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2853 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733 aio_write $fh, 0, (length $data), $data, 0; 2854 aio_write $fh, 0, (length $data), $data, 0;
2855 undef $fh;
2856 aio_rename "$meta~", $meta;
1734 2857
2858 my $slaying = "?random/$md5";
2859
2860 if ($exit->valid) {
1735 $exit->slaying ("?random/$md5"); 2861 $exit->slaying ("?random/$md5");
1736 $exit->msg (undef); 2862 $exit->msg (undef);
2863 }
1737 } 2864 }
1738} 2865}
1739 2866
1740sub cf::object::player::enter_exit { 2867sub cf::object::player::enter_exit {
1741 my ($self, $exit) = @_; 2868 my ($self, $exit) = @_;
1743 return unless $self->type == cf::PLAYER; 2870 return unless $self->type == cf::PLAYER;
1744 2871
1745 $self->enter_link; 2872 $self->enter_link;
1746 2873
1747 (async { 2874 (async {
1748 $self->deactivate_recursive; # just to be sure 2875 $Coro::current->{desc} = "enter_exit";
2876
1749 unless (eval { 2877 unless (eval {
2878 $self->deactivate_recursive; # just to be sure
2879
2880 # random map handling
2881 {
2882 my $guard = cf::lock_acquire "exit_prepare:$exit";
2883
1750 prepare_random_map $exit 2884 prepare_random_map $exit
1751 if $exit->slaying eq "/!"; 2885 if $exit->slaying eq "/!";
2886 }
1752 2887
1753 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2888 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1754 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2889 my $x = $exit->stats->hp;
2890 my $y = $exit->stats->sp;
1755 2891
2892 $self->goto ($map, $x, $y);
2893
2894 # if exit is damned, update players death & WoR home-position
2895 $self->contr->savebed ($map, $x, $y)
2896 if $exit->flag (cf::FLAG_DAMNED);
2897
1756 1; 2898 1
1757 }) { 2899 }) {
1758 $self->message ("Something went wrong deep within the crossfire server. " 2900 $self->message ("Something went wrong deep within the deliantra server. "
1759 . "I'll try to bring you back to the map you were before. " 2901 . "I'll try to bring you back to the map you were before. "
1760 . "Please report this to the dungeon master", 2902 . "Please report this to the dungeon master!",
1761 cf::NDI_UNIQUE | cf::NDI_RED); 2903 cf::NDI_UNIQUE | cf::NDI_RED);
1762 2904
1763 warn "ERROR in enter_exit: $@"; 2905 error "ERROR in enter_exit: $@";
1764 $self->leave_link; 2906 $self->leave_link;
1765 } 2907 }
1766 })->prio (1); 2908 })->prio (1);
1767} 2909}
1768 2910
1779 2921
1780sub cf::client::send_drawinfo { 2922sub cf::client::send_drawinfo {
1781 my ($self, $text, $flags) = @_; 2923 my ($self, $text, $flags) = @_;
1782 2924
1783 utf8::encode $text; 2925 utf8::encode $text;
1784 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2926 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785} 2927}
1786 2928
2929=item $client->send_big_packet ($pkt)
2930
2931Like C<send_packet>, but tries to compress large packets, and fragments
2932them as required.
2933
2934=cut
2935
2936our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2937
2938sub cf::client::send_big_packet {
2939 my ($self, $pkt) = @_;
2940
2941 # try lzf for large packets
2942 $pkt = "lzf " . Compress::LZF::compress $pkt
2943 if 1024 <= length $pkt and $self->{can_lzf};
2944
2945 # split very large packets
2946 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2947 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2948 $pkt = "frag";
2949 }
2950
2951 $self->send_packet ($pkt);
2952}
2953
2954=item $client->send_msg ($channel, $msg, $color, [extra...])
2955
2956Send a drawinfo or msg packet to the client, formatting the msg for the
2957client if neccessary. C<$type> should be a string identifying the type of
2958the message, with C<log> being the default. If C<$color> is negative, suppress
2959the message unless the client supports the msg packet.
2960
2961=cut
2962
2963# non-persistent channels (usually the info channel)
2964our %CHANNEL = (
2965 "c/motd" => {
2966 id => "infobox",
2967 title => "MOTD",
2968 reply => undef,
2969 tooltip => "The message of the day",
2970 },
2971 "c/identify" => {
2972 id => "infobox",
2973 title => "Identify",
2974 reply => undef,
2975 tooltip => "Items recently identified",
2976 },
2977 "c/examine" => {
2978 id => "infobox",
2979 title => "Examine",
2980 reply => undef,
2981 tooltip => "Signs and other items you examined",
2982 },
2983 "c/shopinfo" => {
2984 id => "infobox",
2985 title => "Shop Info",
2986 reply => undef,
2987 tooltip => "What your bargaining skill tells you about the shop",
2988 },
2989 "c/book" => {
2990 id => "infobox",
2991 title => "Book",
2992 reply => undef,
2993 tooltip => "The contents of a note or book",
2994 },
2995 "c/lookat" => {
2996 id => "infobox",
2997 title => "Look",
2998 reply => undef,
2999 tooltip => "What you saw there",
3000 },
3001 "c/who" => {
3002 id => "infobox",
3003 title => "Players",
3004 reply => undef,
3005 tooltip => "Shows players who are currently online",
3006 },
3007 "c/body" => {
3008 id => "infobox",
3009 title => "Body Parts",
3010 reply => undef,
3011 tooltip => "Shows which body parts you posess and are available",
3012 },
3013 "c/statistics" => {
3014 id => "infobox",
3015 title => "Statistics",
3016 reply => undef,
3017 tooltip => "Shows your primary statistics",
3018 },
3019 "c/skills" => {
3020 id => "infobox",
3021 title => "Skills",
3022 reply => undef,
3023 tooltip => "Shows your experience per skill and item power",
3024 },
3025 "c/shopitems" => {
3026 id => "infobox",
3027 title => "Shop Items",
3028 reply => undef,
3029 tooltip => "Shows the items currently for sale in this shop",
3030 },
3031 "c/resistances" => {
3032 id => "infobox",
3033 title => "Resistances",
3034 reply => undef,
3035 tooltip => "Shows your resistances",
3036 },
3037 "c/pets" => {
3038 id => "infobox",
3039 title => "Pets",
3040 reply => undef,
3041 tooltip => "Shows information abotu your pets/a specific pet",
3042 },
3043 "c/perceiveself" => {
3044 id => "infobox",
3045 title => "Perceive Self",
3046 reply => undef,
3047 tooltip => "You gained detailed knowledge about yourself",
3048 },
3049 "c/uptime" => {
3050 id => "infobox",
3051 title => "Uptime",
3052 reply => undef,
3053 tooltip => "How long the server has been running since last restart",
3054 },
3055 "c/mapinfo" => {
3056 id => "infobox",
3057 title => "Map Info",
3058 reply => undef,
3059 tooltip => "Information related to the maps",
3060 },
3061 "c/party" => {
3062 id => "party",
3063 title => "Party",
3064 reply => "gsay ",
3065 tooltip => "Messages and chat related to your party",
3066 },
3067 "c/death" => {
3068 id => "death",
3069 title => "Death",
3070 reply => undef,
3071 tooltip => "Reason for and more info about your most recent death",
3072 },
3073 "c/say" => $SAY_CHANNEL,
3074 "c/chat" => $CHAT_CHANNEL,
3075);
3076
3077sub cf::client::send_msg {
3078 my ($self, $channel, $msg, $color, @extra) = @_;
3079
3080 $msg = $self->pl->expand_cfpod ($msg)
3081 unless $color & cf::NDI_VERBATIM;
3082
3083 $color &= cf::NDI_CLIENT_MASK; # just in case...
3084
3085 # check predefined channels, for the benefit of C
3086 if ($CHANNEL{$channel}) {
3087 $channel = $CHANNEL{$channel};
3088
3089 $self->ext_msg (channel_info => $channel);
3090 $channel = $channel->{id};
3091
3092 } elsif (ref $channel) {
3093 # send meta info to client, if not yet sent
3094 unless (exists $self->{channel}{$channel->{id}}) {
3095 $self->{channel}{$channel->{id}} = $channel;
3096 $self->ext_msg (channel_info => $channel);
3097 }
3098
3099 $channel = $channel->{id};
3100 }
3101
3102 return unless @extra || length $msg;
3103
3104 # default colour, mask it out
3105 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3106 if $color & cf::NDI_DEF;
3107
3108 my $pkt = "msg "
3109 . $self->{json_coder}->encode (
3110 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3111 );
3112
3113 $self->send_big_packet ($pkt);
3114}
3115
3116=item $client->ext_msg ($type, @msg)
3117
3118Sends an ext event to the client.
3119
3120=cut
3121
3122sub cf::client::ext_msg($$@) {
3123 my ($self, $type, @msg) = @_;
3124
3125 if ($self->extcmd == 2) {
3126 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3127 } elsif ($self->extcmd == 1) { # TODO: remove
3128 push @msg, msgtype => "event_$type";
3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3130 }
3131}
3132
3133=item $client->ext_reply ($msgid, @msg)
3134
3135Sends an ext reply to the client.
3136
3137=cut
3138
3139sub cf::client::ext_reply($$@) {
3140 my ($self, $id, @msg) = @_;
3141
3142 if ($self->extcmd == 2) {
3143 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3144 } elsif ($self->extcmd == 1) {
3145 #TODO: version 1, remove
3146 unshift @msg, msgtype => "reply", msgid => $id;
3147 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3148 }
3149}
1787 3150
1788=item $success = $client->query ($flags, "text", \&cb) 3151=item $success = $client->query ($flags, "text", \&cb)
1789 3152
1790Queues a query to the client, calling the given callback with 3153Queues a query to the client, calling the given callback with
1791the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3154the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3155C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793 3156
1794Queries can fail, so check the return code. Or don't, as queries will become 3157Queries can fail, so check the return code. Or don't, as queries will
1795reliable at some point in the future. 3158become reliable at some point in the future.
1796 3159
1797=cut 3160=cut
1798 3161
1799sub cf::client::query { 3162sub cf::client::query {
1800 my ($self, $flags, $text, $cb) = @_; 3163 my ($self, $flags, $text, $cb) = @_;
1808 utf8::encode $text; 3171 utf8::encode $text;
1809 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3172 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810 3173
1811 $self->send_packet ($self->{query_queue}[0][0]) 3174 $self->send_packet ($self->{query_queue}[0][0])
1812 if @{ $self->{query_queue} } == 1; 3175 if @{ $self->{query_queue} } == 1;
3176
3177 1
1813} 3178}
1814 3179
1815cf::client->attach ( 3180cf::client->attach (
3181 on_connect => sub {
3182 my ($ns) = @_;
3183
3184 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3185 },
1816 on_reply => sub { 3186 on_reply => sub {
1817 my ($ns, $msg) = @_; 3187 my ($ns, $msg) = @_;
1818 3188
1819 # this weird shuffling is so that direct followup queries 3189 # this weird shuffling is so that direct followup queries
1820 # get handled first 3190 # get handled first
1821 my $queue = delete $ns->{query_queue} 3191 my $queue = delete $ns->{query_queue}
1822 or return; # be conservative, not sure how that can happen, but we saw a crash here 3192 or return; # be conservative, not sure how that can happen, but we saw a crash here
1823 3193
1824 (shift @$queue)->[1]->($msg); 3194 (shift @$queue)->[1]->($msg);
3195 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825 3196
1826 push @{ $ns->{query_queue} }, @$queue; 3197 push @{ $ns->{query_queue} }, @$queue;
1827 3198
1828 if (@{ $ns->{query_queue} } == @$queue) { 3199 if (@{ $ns->{query_queue} } == @$queue) {
1829 if (@$queue) { 3200 if (@$queue) {
1831 } else { 3202 } else {
1832 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3203 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833 } 3204 }
1834 } 3205 }
1835 }, 3206 },
3207 on_exticmd => sub {
3208 my ($ns, $buf) = @_;
3209
3210 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3211
3212 if (ref $msg) {
3213 my ($type, $reply, @payload) =
3214 "ARRAY" eq ref $msg
3215 ? @$msg
3216 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3217
3218 my @reply;
3219
3220 if (my $cb = $EXTICMD{$type}) {
3221 @reply = $cb->($ns, @payload);
3222 }
3223
3224 $ns->ext_reply ($reply, @reply)
3225 if $reply;
3226
3227 } else {
3228 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3229 }
3230
3231 cf::override;
3232 },
1836); 3233);
1837 3234
1838=item $client->async (\&cb) 3235=item $client->async (\&cb)
1839 3236
1840Create a new coroutine, running the specified callback. The coroutine will 3237Create a new coroutine, running the specified callback. The coroutine will
1856 3253
1857 $coro 3254 $coro
1858} 3255}
1859 3256
1860cf::client->attach ( 3257cf::client->attach (
1861 on_destroy => sub { 3258 on_client_destroy => sub {
1862 my ($ns) = @_; 3259 my ($ns) = @_;
1863 3260
1864 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3261 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1865 }, 3262 },
1866); 3263);
1881our $safe = new Safe "safe"; 3278our $safe = new Safe "safe";
1882our $safe_hole = new Safe::Hole; 3279our $safe_hole = new Safe::Hole;
1883 3280
1884$SIG{FPE} = 'IGNORE'; 3281$SIG{FPE} = 'IGNORE';
1885 3282
1886$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3283$safe->permit_only (Opcode::opset qw(
3284 :base_core :base_mem :base_orig :base_math :base_loop
3285 grepstart grepwhile mapstart mapwhile
3286 sort time
3287));
1887 3288
1888# here we export the classes and methods available to script code 3289# here we export the classes and methods available to script code
1889 3290
1890=pod 3291=pod
1891 3292
1892The following fucntions and emthods are available within a safe environment: 3293The following functions and methods are available within a safe environment:
1893 3294
1894 cf::object contr pay_amount pay_player map 3295 cf::object
3296 contr pay_amount pay_player map x y force_find force_add destroy
3297 insert remove name archname title slaying race decrease split
3298 value
3299
1895 cf::object::player player 3300 cf::object::player
1896 cf::player peaceful 3301 player
1897 cf::map trigger 3302
3303 cf::player
3304 peaceful
3305
3306 cf::map
3307 trigger
1898 3308
1899=cut 3309=cut
1900 3310
1901for ( 3311for (
1902 ["cf::object" => qw(contr pay_amount pay_player map)], 3312 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3313 insert remove inv nrof name archname title slaying race
3314 decrease split destroy change_exp value msg lore send_msg)],
1903 ["cf::object::player" => qw(player)], 3315 ["cf::object::player" => qw(player)],
1904 ["cf::player" => qw(peaceful)], 3316 ["cf::player" => qw(peaceful send_msg)],
1905 ["cf::map" => qw(trigger)], 3317 ["cf::map" => qw(trigger)],
1906) { 3318) {
1907 no strict 'refs';
1908 my ($pkg, @funs) = @$_; 3319 my ($pkg, @funs) = @$_;
1909 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3320 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1910 for @funs; 3321 for @funs;
1911} 3322}
1912 3323
1927 3338
1928 my $qcode = $code; 3339 my $qcode = $code;
1929 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3340 $qcode =~ s/"/‟/g; # not allowed in #line filenames
1930 $qcode =~ s/\n/\\n/g; 3341 $qcode =~ s/\n/\\n/g;
1931 3342
3343 %vars = (_dummy => 0) unless %vars;
3344
3345 my @res;
1932 local $_; 3346 local $_;
1933 local @safe::cf::_safe_eval_args = values %vars;
1934 3347
1935 my $eval = 3348 my $eval =
1936 "do {\n" 3349 "do {\n"
1937 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3350 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1938 . "#line 0 \"{$qcode}\"\n" 3351 . "#line 0 \"{$qcode}\"\n"
1939 . $code 3352 . $code
1940 . "\n}" 3353 . "\n}"
1941 ; 3354 ;
1942 3355
3356 if ($CFG{safe_eval}) {
1943 sub_generation_inc; 3357 sub_generation_inc;
3358 local @safe::cf::_safe_eval_args = values %vars;
1944 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3359 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1945 sub_generation_inc; 3360 sub_generation_inc;
3361 } else {
3362 local @cf::_safe_eval_args = values %vars;
3363 @res = wantarray ? eval eval : scalar eval $eval;
3364 }
1946 3365
1947 if ($@) { 3366 if ($@) {
1948 warn "$@"; 3367 warn "$@",
1949 warn "while executing safe code '$code'\n"; 3368 "while executing safe code '$code'\n",
1950 warn "with arguments " . (join " ", %vars) . "\n"; 3369 "with arguments " . (join " ", %vars) . "\n";
1951 } 3370 }
1952 3371
1953 wantarray ? @res : $res[0] 3372 wantarray ? @res : $res[0]
1954} 3373}
1955 3374
1969=cut 3388=cut
1970 3389
1971sub register_script_function { 3390sub register_script_function {
1972 my ($fun, $cb) = @_; 3391 my ($fun, $cb) = @_;
1973 3392
1974 no strict 'refs'; 3393 $fun = "safe::$fun" if $CFG{safe_eval};
1975 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3394 *$fun = $safe_hole->wrap ($cb);
1976} 3395}
1977 3396
1978=back 3397=back
1979 3398
1980=cut 3399=cut
1981 3400
1982############################################################################# 3401#############################################################################
3402# the server's init and main functions
1983 3403
1984=head2 EXTENSION DATABASE SUPPORT 3404sub load_facedata($) {
3405 my ($path) = @_;
1985 3406
1986Crossfire maintains a very simple database for extension use. It can 3407 # HACK to clear player env face cache, we need some signal framework
1987currently store anything that can be serialised using Storable, which 3408 # for this (global event?)
1988excludes objects. 3409 %ext::player_env::MUSIC_FACE_CACHE = ();
1989 3410
1990The parameter C<$family> should best start with the name of the extension 3411 my $enc = JSON::XS->new->utf8->canonical->relaxed;
1991using it, it should be unique.
1992 3412
1993=over 4 3413 trace "loading facedata from $path\n";
1994 3414
1995=item $hashref = cf::db_get $family 3415 0 < aio_load $path, my $facedata
3416 or die "$path: $!";
1996 3417
1997Return a hashref for use by the extension C<$family>, which can be 3418 $facedata = Coro::Storable::thaw $facedata;
1998modified. After modifications, you have to call C<cf::db_dirty> or
1999C<cf::db_sync>.
2000 3419
2001=item $value = cf::db_get $family => $key 3420 $facedata->{version} == 2
3421 or cf::cleanup "$path: version mismatch, cannot proceed.";
2002 3422
2003Returns a single value from the database 3423 # patch in the exptable
2004 3424 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2005=item cf::db_put $family => $hashref 3425 $facedata->{resource}{"res/exp_table"} = {
2006 3426 type => FT_RSRC,
2007Stores the given family hashref into the database. Updates are delayed, if 3427 data => $exp_table,
2008you want the data to be synced to disk immediately, use C<cf::db_sync>. 3428 hash => (Digest::MD5::md5 $exp_table),
2009
2010=item cf::db_put $family => $key => $value
2011
2012Stores the given C<$value> in the family hash. Updates are delayed, if you
2013want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015=item cf::db_dirty
2016
2017Marks the database as dirty, to be updated at a later time.
2018
2019=item cf::db_sync
2020
2021Immediately write the database to disk I<if it is dirty>.
2022
2023=cut
2024
2025our $DB;
2026
2027{
2028 my $path = cf::localdir . "/database.pst";
2029
2030 sub db_load() {
2031 $DB = stat $path ? Storable::retrieve $path : { };
2032 }
2033
2034 my $pid;
2035
2036 sub db_save() {
2037 waitpid $pid, 0 if $pid;
2038 if (0 == ($pid = fork)) {
2039 $DB->{_meta}{version} = 1;
2040 Storable::nstore $DB, "$path~";
2041 rename "$path~", $path;
2042 cf::_exit 0 if defined $pid;
2043 }
2044 }
2045
2046 my $dirty;
2047
2048 sub db_sync() {
2049 db_save if $dirty;
2050 undef $dirty;
2051 }
2052
2053 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054 db_sync;
2055 }); 3429 };
3430 cf::cede_to_tick;
2056 3431
2057 sub db_dirty() {
2058 $dirty = 1;
2059 $idle->start;
2060 } 3432 {
3433 my $faces = $facedata->{faceinfo};
2061 3434
2062 sub db_get($;$) { 3435 while (my ($face, $info) = each %$faces) {
2063 @_ >= 2 3436 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064 ? $DB->{$_[0]}{$_[1]}
2065 : ($DB->{$_[0]} ||= { })
2066 }
2067 3437
2068 sub db_put($$;$) { 3438 cf::face::set_visibility $idx, $info->{visibility};
2069 if (@_ >= 3) { 3439 cf::face::set_magicmap $idx, $info->{magicmap};
2070 $DB->{$_[0]}{$_[1]} = $_[2]; 3440 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2071 } else { 3441 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2072 $DB->{$_[0]} = $_[1];
2073 }
2074 db_dirty;
2075 }
2076 3442
2077 cf::global->attach ( 3443 cf::cede_to_tick;
2078 prio => 10000,
2079 on_cleanup => sub {
2080 db_sync;
2081 }, 3444 }
2082 );
2083}
2084 3445
2085############################################################################# 3446 while (my ($face, $info) = each %$faces) {
2086# the server's main() 3447 next unless $info->{smooth};
2087 3448
2088sub cfg_load { 3449 my $idx = cf::face::find $face
2089 open my $fh, "<:utf8", cf::confdir . "/config" 3450 or next;
2090 or return;
2091 3451
2092 local $/; 3452 if (my $smooth = cf::face::find $info->{smooth}) {
2093 *CFG = YAML::Syck::Load <$fh>; 3453 cf::face::set_smooth $idx, $smooth;
3454 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3455 } else {
3456 error "smooth face '$info->{smooth}' not found for face '$face'";
3457 }
2094 3458
3459 cf::cede_to_tick;
3460 }
3461 }
3462
3463 {
3464 my $anims = $facedata->{animinfo};
3465
3466 while (my ($anim, $info) = each %$anims) {
3467 cf::anim::set $anim, $info->{frames}, $info->{facings};
3468 cf::cede_to_tick;
3469 }
3470
3471 cf::anim::invalidate_all; # d'oh
3472 }
3473
3474 {
3475 my $res = $facedata->{resource};
3476
3477 while (my ($name, $info) = each %$res) {
3478 if (defined $info->{type}) {
3479 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3480
3481 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3482 cf::face::set_type $idx, $info->{type};
3483 } else {
3484 $RESOURCE{$name} = $info; # unused
3485 }
3486
3487 cf::cede_to_tick;
3488 }
3489 }
3490
3491 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3492
3493 1
3494}
3495
3496register_exticmd fx_want => sub {
3497 my ($ns, $want) = @_;
3498
3499 while (my ($k, $v) = each %$want) {
3500 $ns->fx_want ($k, $v);
3501 }
3502};
3503
3504sub load_resource_file($) {
3505 my $guard = lock_acquire "load_resource_file";
3506
3507 my $status = load_resource_file_ $_[0];
3508 get_slot 0.1, 100;
3509 cf::arch::commit_load;
3510
3511 $status
3512}
3513
3514sub reload_regions {
3515 # HACK to clear player env face cache, we need some signal framework
3516 # for this (global event?)
3517 %ext::player_env::MUSIC_FACE_CACHE = ();
3518
3519 load_resource_file "$MAPDIR/regions"
3520 or die "unable to load regions file\n";
3521
3522 for (cf::region::list) {
3523 $_->{match} = qr/$_->{match}/
3524 if exists $_->{match};
3525 }
3526}
3527
3528sub reload_facedata {
3529 load_facedata "$DATADIR/facedata"
3530 or die "unable to load facedata\n";
3531}
3532
3533sub reload_archetypes {
3534 load_resource_file "$DATADIR/archetypes"
3535 or die "unable to load archetypes\n";
3536}
3537
3538sub reload_treasures {
3539 load_resource_file "$DATADIR/treasures"
3540 or die "unable to load treasurelists\n";
3541}
3542
3543sub reload_sound {
3544 trace "loading sound config from $DATADIR/sound\n";
3545
3546 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3547 or die "$DATADIR/sound $!";
3548
3549 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3550
3551 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3552 my $sound = $soundconf->{compat}[$_]
3553 or next;
3554
3555 my $face = cf::face::find "sound/$sound->[1]";
3556 cf::sound::set $sound->[0] => $face;
3557 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3558 }
3559
3560 while (my ($k, $v) = each %{$soundconf->{event}}) {
3561 my $face = cf::face::find "sound/$v";
3562 cf::sound::set $k => $face;
3563 }
3564}
3565
3566sub reload_resources {
3567 trace "reloading resource files...\n";
3568
3569 reload_exp_table;
3570 reload_materials;
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
3574 reload_regions;
3575 reload_treasures;
3576
3577 trace "finished reloading resource files\n";
3578}
3579
3580sub reload_config {
3581 trace "reloading config file...\n";
3582
3583 0 < aio_load "$CONFDIR/config", my $config
3584 or die "$CONFDIR/config: $!";
3585
3586 utf8::decode $config;
3587 *CFG = yaml_load $config;
3588
2095 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2096 3590
2097 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099 3593
2100 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
2104 }; 3598 };
2105 warn $@ if $@; 3599 warn $@ if $@;
2106 } 3600 }
2107} 3601}
2108 3602
3603sub pidfile() {
3604 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3605 or die "$PIDFILE: $!";
3606 flock $fh, &Fcntl::LOCK_EX
3607 or die "$PIDFILE: flock: $!";
3608 $fh
3609}
3610
3611# make sure only one server instance is running at any one time
3612sub atomic {
3613 my $fh = pidfile;
3614
3615 my $pid = <$fh>;
3616 kill 9, $pid if $pid > 0;
3617
3618 seek $fh, 0, 0;
3619 print $fh $$;
3620}
3621
3622sub main_loop {
3623 trace "EV::loop starting\n";
3624 if (1) {
3625 EV::loop;
3626 }
3627 trace "EV::loop returned\n";
3628 goto &main_loop unless $REALLY_UNLOOP;
3629}
3630
2109sub main { 3631sub main {
3632 cf::init_globals; # initialise logging
3633
3634 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3635 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3636 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3637 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3638
3639 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3640
2110 # we must not ever block the main coroutine 3641 # we must not ever block the main coroutine
2111 local $Coro::idle = sub { 3642 local $Coro::idle = sub {
2112 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3643 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2113 async { Event::one_event }; 3644 (async {
3645 $Coro::current->{desc} = "IDLE BUG HANDLER";
3646 EV::loop EV::LOOP_ONESHOT;
3647 })->prio (Coro::PRIO_MAX);
2114 }; 3648 };
2115 3649
2116 cfg_load; 3650 evthread_start IO::AIO::poll_fileno;
2117 db_load; 3651
3652 cf::sync_job {
3653 cf::incloader::init ();
3654
3655 cf::init_anim;
3656 cf::init_attackmess;
3657 cf::init_dynamic;
3658
3659 cf::load_settings;
3660
3661 reload_resources;
3662 reload_config;
3663 db_init;
3664
3665 cf::init_uuid;
3666 cf::init_signals;
3667 cf::init_skills;
3668
3669 cf::init_beforeplay;
3670
3671 atomic;
3672
2118 load_extensions; 3673 load_extensions;
2119 Event::loop; 3674
3675 utime time, time, $RUNTIMEFILE;
3676
3677 # no (long-running) fork's whatsoever before this point(!)
3678 use POSIX ();
3679 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3680
3681 cf::_post_init 0;
3682 };
3683
3684 cf::object::thawer::errors_are_fatal 0;
3685 info "parse errors in files are no longer fatal from this point on.\n";
3686
3687 my $free_main; $free_main = EV::idle sub {
3688 undef $free_main;
3689 undef &main; # free gobs of memory :)
3690 };
3691
3692 goto &main_loop;
2120} 3693}
2121 3694
2122############################################################################# 3695#############################################################################
2123# initialisation 3696# initialisation and cleanup
2124 3697
3698# install some emergency cleanup handlers
3699BEGIN {
3700 our %SIGWATCHER = ();
3701 for my $signal (qw(INT HUP TERM)) {
3702 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3703 cf::cleanup "SIG$signal";
3704 };
3705 }
3706}
3707
3708sub write_runtime_sync {
3709 my $t0 = AE::time;
3710
3711 # first touch the runtime file to show we are still running:
3712 # the fsync below can take a very very long time.
3713
3714 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3715
3716 my $guard = cf::lock_acquire "write_runtime";
3717
3718 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3719 or return;
3720
3721 my $value = $cf::RUNTIME + 90 + 10;
3722 # 10 is the runtime save interval, for a monotonic clock
3723 # 60 allows for the watchdog to kill the server.
3724
3725 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3726 and return;
3727
3728 # always fsync - this file is important
3729 aio_fsync $fh
3730 and return;
3731
3732 # touch it again to show we are up-to-date
3733 aio_utime $fh, undef, undef;
3734
3735 close $fh
3736 or return;
3737
3738 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3739 and return;
3740
3741 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3742
3743 1
3744}
3745
3746our $uuid_lock;
3747our $uuid_skip;
3748
3749sub write_uuid_sync($) {
3750 $uuid_skip ||= $_[0];
3751
3752 return if $uuid_lock;
3753 local $uuid_lock = 1;
3754
3755 my $uuid = "$LOCALDIR/uuid";
3756
3757 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3758 or return;
3759
3760 my $value = uuid_seq uuid_cur;
3761
3762 unless ($value) {
3763 info "cowardly refusing to write zero uuid value!\n";
3764 return;
3765 }
3766
3767 my $value = uuid_str $value + $uuid_skip;
3768 $uuid_skip = 0;
3769
3770 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3771 and return;
3772
3773 # always fsync - this file is important
3774 aio_fsync $fh
3775 and return;
3776
3777 close $fh
3778 or return;
3779
3780 aio_rename "$uuid~", $uuid
3781 and return;
3782
3783 trace "uuid file written ($value).\n";
3784
3785 1
3786
3787}
3788
3789sub write_uuid($$) {
3790 my ($skip, $sync) = @_;
3791
3792 $sync ? write_uuid_sync $skip
3793 : async { write_uuid_sync $skip };
3794}
3795
3796sub emergency_save() {
3797 my $freeze_guard = cf::freeze_mainloop;
3798
3799 info "emergency_perl_save: enter\n";
3800
3801 # this is a trade-off: we want to be very quick here, so
3802 # save all maps without fsync, and later call a global sync
3803 # (which in turn might be very very slow)
3804 local $USE_FSYNC = 0;
3805
3806 cf::sync_job {
3807 cf::write_runtime_sync; # external watchdog should not bark
3808
3809 # use a peculiar iteration method to avoid tripping on perl
3810 # refcount bugs in for. also avoids problems with players
3811 # and maps saved/destroyed asynchronously.
3812 info "emergency_perl_save: begin player save\n";
3813 for my $login (keys %cf::PLAYER) {
3814 my $pl = $cf::PLAYER{$login} or next;
3815 $pl->valid or next;
3816 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3817 $pl->save;
3818 }
3819 info "emergency_perl_save: end player save\n";
3820
3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin map save\n";
3824 for my $path (keys %cf::MAP) {
3825 my $map = $cf::MAP{$path} or next;
3826 $map->valid or next;
3827 $map->save;
3828 }
3829 info "emergency_perl_save: end map save\n";
3830
3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 info "emergency_perl_save: begin database checkpoint\n";
3834 BDB::db_env_txn_checkpoint $DB_ENV;
3835 info "emergency_perl_save: end database checkpoint\n";
3836
3837 info "emergency_perl_save: begin write uuid\n";
3838 write_uuid_sync 1;
3839 info "emergency_perl_save: end write uuid\n";
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: syncing database to disk";
3844 BDB::db_env_txn_checkpoint $DB_ENV;
3845
3846 info "emergency_perl_save: starting sync\n";
3847 IO::AIO::aio_sync sub {
3848 info "emergency_perl_save: finished sync\n";
3849 };
3850
3851 cf::write_runtime_sync; # external watchdog should not bark
3852
3853 trace "emergency_perl_save: flushing outstanding aio requests";
3854 while (IO::AIO::nreqs || BDB::nreqs) {
3855 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3856 }
3857
3858 cf::write_runtime_sync; # external watchdog should not bark
3859 };
3860
3861 info "emergency_perl_save: leave\n";
3862}
3863
3864sub post_cleanup {
3865 my ($make_core) = @_;
3866
3867 IO::AIO::flush;
3868
3869 error Carp::longmess "post_cleanup backtrace"
3870 if $make_core;
3871
3872 my $fh = pidfile;
3873 unlink $PIDFILE if <$fh> == $$;
3874}
3875
3876# a safer delete_package, copied from Symbol
3877sub clear_package($) {
3878 my $pkg = shift;
3879
3880 # expand to full symbol table name if needed
3881 unless ($pkg =~ /^main::.*::$/) {
3882 $pkg = "main$pkg" if $pkg =~ /^::/;
3883 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3884 $pkg .= '::' unless $pkg =~ /::$/;
3885 }
3886
3887 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3888 my $stem_symtab = *{$stem}{HASH};
3889
3890 defined $stem_symtab and exists $stem_symtab->{$leaf}
3891 or return;
3892
3893 # clear all symbols
3894 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3895 for my $name (keys %$leaf_symtab) {
3896 _gv_clear *{"$pkg$name"};
3897# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3898 }
3899}
3900
2125sub reload() { 3901sub do_reload_perl() {
2126 # can/must only be called in main 3902 # can/must only be called in main
2127 if ($Coro::current != $Coro::main) { 3903 unless (in_main) {
2128 warn "can only reload from main coroutine\n"; 3904 error "can only reload from main coroutine";
2129 return; 3905 return;
2130 } 3906 }
2131 3907
2132 warn "reloading..."; 3908 return if $RELOAD++;
2133 3909
2134 my $guard = freeze_mainloop; 3910 my $t1 = AE::time;
3911
3912 while ($RELOAD) {
3913 cf::get_slot 0.1, -1, "reload_perl";
3914 info "perl_reload: reloading...";
3915
3916 trace "perl_reload: entering sync_job";
3917
3918 cf::sync_job {
2135 cf::emergency_save; 3919 #cf::emergency_save;
2136 3920
2137 eval { 3921 trace "perl_reload: cancelling all extension coros";
2138 # if anything goes wrong in here, we should simply crash as we already saved
2139
2140 # cancel all watchers
2141 for (Event::all_watchers) {
2142 $_->cancel if $_->data & WF_AUTOCANCEL;
2143 }
2144
2145 # cancel all extension coros
2146 $_->cancel for values %EXT_CORO; 3922 $_->cancel for values %EXT_CORO;
2147 %EXT_CORO = (); 3923 %EXT_CORO = ();
2148 3924
2149 # unload all extensions 3925 trace "perl_reload: removing commands";
2150 for (@exts) { 3926 %COMMAND = ();
2151 warn "unloading <$_>";
2152 unload_extension $_;
2153 }
2154 3927
2155 # unload all modules loaded from $LIBDIR 3928 trace "perl_reload: removing ext/exti commands";
2156 while (my ($k, $v) = each %INC) { 3929 %EXTCMD = ();
2157 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3930 %EXTICMD = ();
2158 3931
2159 warn "removing <$k>"; 3932 trace "perl_reload: unloading/nuking all extensions";
2160 delete $INC{$k}; 3933 for my $pkg (@EXTS) {
3934 trace "... unloading $pkg";
2161 3935
2162 $k =~ s/\.pm$//;
2163 $k =~ s/\//::/g;
2164
2165 if (my $cb = $k->can ("unload_module")) { 3936 if (my $cb = $pkg->can ("unload")) {
3937 eval {
2166 $cb->(); 3938 $cb->($pkg);
3939 1
3940 } or error "$pkg unloaded, but with errors: $@";
3941 }
3942
3943 trace "... clearing $pkg";
3944 clear_package $pkg;
2167 } 3945 }
2168 3946
2169 Symbol::delete_package $k; 3947 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3948 while (my ($k, $v) = each %INC) {
3949 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3950
3951 trace "... unloading $k";
3952 delete $INC{$k};
3953
3954 $k =~ s/\.pm$//;
3955 $k =~ s/\//::/g;
3956
3957 if (my $cb = $k->can ("unload_module")) {
3958 $cb->();
3959 }
3960
3961 clear_package $k;
2170 } 3962 }
2171 3963
2172 # sync database to disk
2173 cf::db_sync;
2174 IO::AIO::flush;
2175
2176 # get rid of safe::, as good as possible 3964 trace "perl_reload: getting rid of safe::, as good as possible";
2177 Symbol::delete_package "safe::$_" 3965 clear_package "safe::$_"
2178 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3966 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179 3967
2180 # remove register_script_function callbacks 3968 trace "perl_reload: unloading cf.pm \"a bit\"";
2181 # TODO
2182
2183 # unload cf.pm "a bit"
2184 delete $INC{"cf.pm"}; 3969 delete $INC{"cf.pm"};
3970 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2185 3971
2186 # don't, removes xs symbols, too, 3972 # don't, removes xs symbols, too,
2187 # and global variables created in xs 3973 # and global variables created in xs
2188 #Symbol::delete_package __PACKAGE__; 3974 #clear_package __PACKAGE__;
2189 3975
2190 # reload cf.pm 3976 info "perl_reload: unload completed, starting to reload now";
2191 warn "reloading cf.pm"; 3977
3978 trace "perl_reload: reloading cf.pm";
2192 require cf; 3979 require cf;
2193 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3980 cf::_connect_to_perl_1;
2194 3981
2195 # load config and database again 3982 trace "perl_reload: loading config and database again";
2196 cf::cfg_load; 3983 cf::reload_config;
2197 cf::db_load;
2198 3984
2199 # load extensions 3985 trace "perl_reload: loading extensions";
2200 warn "load extensions";
2201 cf::load_extensions; 3986 cf::load_extensions;
2202 3987
2203 # reattach attachments to objects 3988 if ($REATTACH_ON_RELOAD) {
2204 warn "reattach"; 3989 trace "perl_reload: reattaching attachments to objects/players";
2205 _global_reattach; 3990 _global_reattach; # objects, sockets
3991 trace "perl_reload: reattaching attachments to maps";
2206 reattach $_ for values %MAP; 3992 reattach $_ for values %MAP;
3993 trace "perl_reload: reattaching attachments to players";
3994 reattach $_ for values %PLAYER;
3995 }
3996
3997 cf::_post_init 1;
3998
3999 trace "perl_reload: leaving sync_job";
4000
4001 1
4002 } or do {
4003 error $@;
4004 cf::cleanup "perl_reload: error, exiting.";
4005 };
4006
4007 --$RELOAD;
4008 }
4009
4010 $t1 = AE::time - $t1;
4011 info "perl_reload: completed in ${t1}s\n";
4012};
4013
4014our $RELOAD_WATCHER; # used only during reload
4015
4016sub reload_perl() {
4017 # doing reload synchronously and two reloads happen back-to-back,
4018 # coro crashes during coro_state_free->destroy here.
4019
4020 $RELOAD_WATCHER ||= cf::async {
4021 Coro::AIO::aio_wait cache_extensions;
4022
4023 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
4024 do_reload_perl;
4025 undef $RELOAD_WATCHER;
4026 };
2207 }; 4027 };
2208
2209 if ($@) {
2210 warn $@;
2211 warn "error while reloading, exiting.";
2212 exit 1;
2213 }
2214
2215 warn "reloaded successfully";
2216};
2217
2218#############################################################################
2219
2220unless ($LINK_MAP) {
2221 $LINK_MAP = cf::map::new;
2222
2223 $LINK_MAP->width (41);
2224 $LINK_MAP->height (41);
2225 $LINK_MAP->alloc;
2226 $LINK_MAP->path ("{link}");
2227 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230 # dirty hack because... archetypes are not yet loaded
2231 Event->timer (
2232 after => 10,
2233 cb => sub {
2234 $_[0]->w->cancel;
2235
2236 # provide some exits "home"
2237 my $exit = cf::object::new "exit";
2238
2239 $exit->slaying ($EMERGENCY_POSITION->[0]);
2240 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243 $LINK_MAP->insert ($exit->clone, 19, 19);
2244 $LINK_MAP->insert ($exit->clone, 19, 20);
2245 $LINK_MAP->insert ($exit->clone, 19, 21);
2246 $LINK_MAP->insert ($exit->clone, 20, 19);
2247 $LINK_MAP->insert ($exit->clone, 20, 21);
2248 $LINK_MAP->insert ($exit->clone, 21, 19);
2249 $LINK_MAP->insert ($exit->clone, 21, 20);
2250 $LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252 $exit->destroy;
2253 });
2254
2255 $LINK_MAP->{deny_save} = 1;
2256 $LINK_MAP->{deny_reset} = 1;
2257
2258 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259} 4028}
2260
2261register "<global>", __PACKAGE__;
2262 4029
2263register_command "reload" => sub { 4030register_command "reload" => sub {
2264 my ($who, $arg) = @_; 4031 my ($who, $arg) = @_;
2265 4032
2266 if ($who->flag (FLAG_WIZ)) { 4033 if ($who->flag (FLAG_WIZ)) {
2267 $who->message ("start of reload.");
2268 reload;
2269 $who->message ("end of reload."); 4034 $who->message ("reloading server.");
4035 async {
4036 $Coro::current->{desc} = "perl_reload";
4037 reload_perl;
4038 };
2270 } 4039 }
2271}; 4040};
2272 4041
2273unshift @INC, $LIBDIR; 4042#############################################################################
2274 4043
2275$TICK_WATCHER = Event->timer ( 4044my $bug_warning = 0;
2276 reentrant => 0, 4045
2277 prio => 0, 4046our @WAIT_FOR_TICK;
2278 at => $NEXT_TICK || $TICK, 4047our @WAIT_FOR_TICK_BEGIN;
2279 data => WF_AUTOCANCEL, 4048
2280 cb => sub { 4049sub wait_for_tick() {
4050 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4051
4052 my $signal = new Coro::Signal;
4053 push @WAIT_FOR_TICK, $signal;
4054 $signal->wait;
4055}
4056
4057sub wait_for_tick_begin() {
4058 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4059
4060 my $signal = new Coro::Signal;
4061 push @WAIT_FOR_TICK_BEGIN, $signal;
4062 $signal->wait;
4063}
4064
4065sub tick {
4066 if ($Coro::current != $Coro::main) {
4067 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
4068 unless ++$bug_warning > 10;
4069 return;
4070 }
4071
2281 cf::server_tick; # one server iteration 4072 cf::server_tick; # one server iteration
2282 $RUNTIME += $TICK;
2283 $NEXT_TICK += $TICK;
2284 4073
2285 # if we are delayed by four ticks or more, skip them all 4074 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2286 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287 4075
2288 $TICK_WATCHER->at ($NEXT_TICK); 4076 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2289 $TICK_WATCHER->start; 4077 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2290 }, 4078 Coro::async_pool {
2291); 4079 $Coro::current->{desc} = "runtime saver";
2292
2293IO::AIO::max_poll_time $TICK * 0.2;
2294
2295Event->io (
2296 fd => IO::AIO::poll_fileno,
2297 poll => 'r',
2298 prio => 5,
2299 data => WF_AUTOCANCEL,
2300 cb => \&IO::AIO::poll_cb,
2301);
2302
2303Event->timer (
2304 data => WF_AUTOCANCEL,
2305 after => 0,
2306 interval => 10,
2307 cb => sub {
2308 (Coro::unblock_sub {
2309 write_runtime 4080 write_runtime_sync
2310 or warn "ERROR: unable to write runtime file: $!"; 4081 or error "ERROR: unable to write runtime file: $!";
2311 })->(); 4082 };
2312 }, 4083 }
2313); 4084
4085 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4086 $sig->send;
4087 }
4088 while (my $sig = shift @WAIT_FOR_TICK) {
4089 $sig->send;
4090 }
4091
4092 $LOAD = ($NOW - $TICK_START) / $TICK;
4093 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4094
4095 if (0) {
4096 if ($NEXT_TICK) {
4097 my $jitter = $TICK_START - $NEXT_TICK;
4098 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4099 debug "jitter $JITTER\n";#d#
4100 }
4101 }
4102}
4103
4104{
4105 # configure BDB
4106
4107 BDB::min_parallel 16;
4108 BDB::max_poll_reqs $TICK * 0.1;
4109 $AnyEvent::BDB::WATCHER->priority (1);
4110
4111 unless ($DB_ENV) {
4112 $DB_ENV = BDB::db_env_create;
4113 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4114 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4115 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4116 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4117 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4118
4119 cf::sync_job {
4120 eval {
4121 BDB::db_env_open
4122 $DB_ENV,
4123 $BDBDIR,
4124 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4125 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4126 0666;
4127
4128 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4129 };
4130
4131 cf::cleanup "db_env_open(db): $@" if $@;
4132 };
4133 }
4134
4135 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4136 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4137 };
4138 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4139 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4140 };
4141 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4142 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4143 };
4144}
4145
4146{
4147 # configure IO::AIO
4148
4149 IO::AIO::min_parallel 8;
4150 IO::AIO::max_poll_time $TICK * 0.1;
4151 undef $AnyEvent::AIO::WATCHER;
4152}
4153
4154our $_log_backtrace;
4155our $_log_backtrace_last;
4156
4157sub _log_backtrace {
4158 my ($msg, @addr) = @_;
4159
4160 $msg =~ s/\n$//;
4161
4162 if ($_log_backtrace_last eq $msg) {
4163 LOG llevInfo, "[ABT] $msg\n";
4164 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
4165 # limit the # of concurrent backtraces
4166 } elsif ($_log_backtrace < 2) {
4167 $_log_backtrace_last = $msg;
4168 ++$_log_backtrace;
4169 my $perl_bt = Carp::longmess $msg;
4170 async {
4171 $Coro::current->{desc} = "abt $msg";
4172
4173 my @bt = fork_call {
4174 @addr = map { sprintf "%x", $_ } @addr;
4175 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4176 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4177 or die "addr2line: $!";
4178
4179 my @funcs;
4180 my @res = <$fh>;
4181 chomp for @res;
4182 while (@res) {
4183 my ($func, $line) = splice @res, 0, 2, ();
4184 push @funcs, "[$func] $line";
4185 }
4186
4187 @funcs
4188 };
4189
4190 LOG llevInfo, "[ABT] $perl_bt\n";
4191 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4192 LOG llevInfo, "[ABT] $_\n" for @bt;
4193 --$_log_backtrace;
4194 };
4195 } else {
4196 LOG llevInfo, "[ABT] $msg\n";
4197 LOG llevInfo, "[ABT] [overload, suppressed]\n";
4198 }
4199}
4200
4201# load additional modules
4202require "cf/$_.pm" for @EXTRA_MODULES;
4203cf::_connect_to_perl_2;
2314 4204
2315END { cf::emergency_save } 4205END { cf::emergency_save }
2316 4206
23171 42071
2318 4208

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