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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your 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 GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
31use EV;
9use Opcode; 32use Opcode;
10use Safe; 33use Safe;
11use Safe::Hole; 34use Safe::Hole;
35use Storable ();
12 36
37use Guard ();
13use Coro 3.5 (); 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::AnyEvent;
18use Coro::AIO; 47use Coro::AIO;
48use Coro::BDB 1.6;
49use Coro::Storable;
50use Coro::Util ();
19 51
52use JSON::XS 2.01 ();
53use BDB ();
20use Data::Dumper; 54use Data::Dumper;
21use Digest::MD5; 55use Digest::MD5;
22use Fcntl; 56use Fcntl;
57use YAML ();
23use IO::AIO 2.32 (); 58use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 59use Time::HiRes;
60use Compress::LZF;
61use Digest::MD5 ();
26 62
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 63AnyEvent::detect;
64
65# configure various modules to our taste
66#
67$Storable::canonical = 1; # reduce rsync transfers
68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28 75
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 76sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 77
36our %COMMAND = (); 78our %COMMAND = ();
37our %COMMAND_TIME = (); 79our %COMMAND_TIME = ();
38 80
39our @EXTS = (); # list of extension package names 81our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 82our %EXTCMD = ();
83our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 84our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 85our %EXT_MAP = (); # pluggable maps
43 86
87our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 88our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 89
47our $TICK = MAX_TIME * 1e-6; 90our $CONFDIR = confdir;
48our $TICK_WATCHER; 91our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 92our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 93our $PODDIR = "$DATADIR/pod";
94our $MAPDIR = "$DATADIR/" . mapdir;
95our $LOCALDIR = localdir;
96our $TMPDIR = "$LOCALDIR/" . tmpdir;
97our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
98our $PLAYERDIR = "$LOCALDIR/" . playerdir;
99our $RANDOMDIR = "$LOCALDIR/random";
100our $BDBDIR = "$LOCALDIR/db";
101our $PIDFILE = "$LOCALDIR/pid";
102our $RUNTIMEFILE = "$LOCALDIR/runtime";
103
104our %RESOURCE;
105
106our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
107our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 108our $NEXT_TICK;
52our $NOW; 109our $USE_FSYNC = 1; # use fsync to write maps - default off
110
111our $BDB_DEADLOCK_WATCHER;
112our $BDB_CHECKPOINT_WATCHER;
113our $BDB_TRICKLE_WATCHER;
114our $DB_ENV;
53 115
54our %CFG; 116our %CFG;
55 117
56our $UPTIME; $UPTIME ||= time; 118our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 119our $RUNTIME;
120our $NOW;
58 121
59our %PLAYER; # all users 122our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 123our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 124our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 125
67# used to convert map paths into valid unix filenames by replacing / by ∕ 126# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 127our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 128
129our $LOAD; # a number between 0 (idle) and 1 (too many objects)
130our $LOADAVG; # same thing, but with alpha-smoothing
131our $JITTER; # average jitter
132our $TICK_START; # for load detecting purposes
133
134our @POST_INIT;
135
136our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
137
70binmode STDOUT; 138binmode STDOUT;
71binmode STDERR; 139binmode STDERR;
72 140
73# read virtual server time, if available 141# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 142unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 143 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 144 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 145 $RUNTIME = <$fh> + 0.;
78} 146}
79 147
80mkdir cf::localdir; 148mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 149 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 150
86our $EMERGENCY_POSITION; 151our $EMERGENCY_POSITION;
152
153sub cf::map::normalise;
87 154
88############################################################################# 155#############################################################################
89 156
90=head2 GLOBAL VARIABLES 157=head2 GLOBAL VARIABLES
91 158
98=item $cf::RUNTIME 165=item $cf::RUNTIME
99 166
100The time this server has run, starts at 0 and is increased by $cf::TICK on 167The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 168every server tick.
102 169
103=item $cf::LIBDIR 170=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
171$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
172$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 173
105The perl library directory, where extensions and cf-specific modules can 174Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 175directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
176unique-items directory, player file directory, random maps directory and
177database environment.
107 178
108=item $cf::NOW 179=item $cf::NOW
109 180
110The time of the last (current) server tick. 181The time of the last (current) server tick.
111 182
112=item $cf::TICK 183=item $cf::TICK
113 184
114The interval between server ticks, in seconds. 185The interval between server ticks, in seconds.
115 186
187=item $cf::LOADAVG
188
189The current CPU load on the server (alpha-smoothed), as a value between 0
190(none) and 1 (overloaded), indicating how much time is spent on processing
191objects per tick. Healthy values are < 0.5.
192
193=item $cf::LOAD
194
195The raw value load value from the last tick.
196
116=item %cf::CFG 197=item %cf::CFG
117 198
118Configuration for the server, loaded from C</etc/crossfire/config>, or 199Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 200from wherever your confdir points to.
120 201
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 202=item cf::wait_for_tick, cf::wait_for_tick_begin
122 203
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 204These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 205returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 206per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 207
208=item @cf::INVOKE_RESULTS
209
210This array contains the results of the last C<invoke ()> call. When
211C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
212that call.
127 213
128=back 214=back
129 215
130=cut 216=cut
131 217
132BEGIN { 218BEGIN {
133 *CORE::GLOBAL::warn = sub { 219 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 220 my $msg = join "", @_;
135 utf8::encode $msg;
136 221
137 $msg .= "\n" 222 $msg .= "\n"
138 unless $msg =~ /\n$/; 223 unless $msg =~ /\n$/;
139 224
225 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
226
140 LOG llevError, $msg; 227 LOG llevError, $msg;
141 }; 228 };
142} 229}
230
231$Coro::State::DIEHOOK = sub {
232 return unless $^S eq 0; # "eq", not "=="
233
234 if ($Coro::current == $Coro::main) {#d#
235 warn "DIEHOOK called in main context, Coro bug?\n";#d#
236 return;#d#
237 }#d#
238
239 # kill coroutine otherwise
240 warn Carp::longmess $_[0];
241 Coro::terminate
242};
243
244$SIG{__DIE__} = sub { }; #d#?
143 245
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 246@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 247@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 248@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 249@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 250@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
251@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 252@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 253
151# we bless all objects into (empty) derived classes to force a method lookup 254# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 255# within the Safe compartment.
153for my $pkg (qw( 256for my $pkg (qw(
154 cf::global cf::attachable 257 cf::global cf::attachable
155 cf::object cf::object::player 258 cf::object cf::object::player
156 cf::client cf::player 259 cf::client cf::player
157 cf::arch cf::living 260 cf::arch cf::living
261 cf::map cf::mapspace
158 cf::map cf::party cf::region 262 cf::party cf::region
159)) { 263)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 264 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 265}
163 266
164$Event::DIED = sub { 267$EV::DIED = sub {
165 warn "error in event callback: @_"; 268 warn "error in event callback: @_";
166}; 269};
270
271#############################################################################
167 272
168=head2 UTILITY FUNCTIONS 273=head2 UTILITY FUNCTIONS
169 274
170=over 4 275=over 4
171 276
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 295 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 296 $d
192 } || "[unable to dump $_[0]: '$@']"; 297 } || "[unable to dump $_[0]: '$@']";
193} 298}
194 299
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 300=item $ref = cf::decode_json $json
198 301
199Converts a JSON string into the corresponding perl data structure. 302Converts a JSON string into the corresponding perl data structure.
200 303
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 304=item $json = cf::encode_json $ref
209 305
210Converts a perl data structure into its JSON representation. 306Converts a perl data structure into its JSON representation.
211 307
212=cut 308=cut
213 309
214sub to_json($) { 310our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 311
216 JSON::Syck::Dump $_[0] 312sub encode_json($) { $json_coder->encode ($_[0]) }
313sub decode_json($) { $json_coder->decode ($_[0]) }
314
315=item cf::post_init { BLOCK }
316
317Execute the given codeblock, I<after> all extensions have been (re-)loaded,
318but I<before> the server starts ticking again.
319
320The cdoeblock will have a single boolean argument to indicate whether this
321is a reload or not.
322
323=cut
324
325sub post_init(&) {
326 push @POST_INIT, shift;
217} 327}
218 328
219=item cf::lock_wait $string 329=item cf::lock_wait $string
220 330
221Wait until the given lock is available. See cf::lock_acquire. 331Wait until the given lock is available. See cf::lock_acquire.
222 332
223=item my $lock = cf::lock_acquire $string 333=item my $lock = cf::lock_acquire $string
224 334
225Wait until the given lock is available and then acquires it and returns 335Wait until the given lock is available and then acquires it and returns
226a Coro::guard object. If the guard object gets destroyed (goes out of scope, 336a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 337for example when the coroutine gets canceled), the lock is automatically
228returned. 338returned.
229 339
340Locks are *not* recursive, locking from the same coro twice results in a
341deadlocked coro.
342
230Lock names should begin with a unique identifier (for example, cf::map::find 343Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 344uses map_find and cf::map::load uses map_load).
232 345
346=item $locked = cf::lock_active $string
347
348Return true if the lock is currently active, i.e. somebody has locked it.
349
233=cut 350=cut
234 351
235our %LOCK; 352our %LOCK;
353our %LOCKER;#d#
236 354
237sub lock_wait($) { 355sub lock_wait($) {
238 my ($key) = @_; 356 my ($key) = @_;
239 357
358 if ($LOCKER{$key} == $Coro::current) {#d#
359 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
360 return;#d#
361 }#d#
362
240 # wait for lock, if any 363 # wait for lock, if any
241 while ($LOCK{$key}) { 364 while ($LOCK{$key}) {
365 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
242 push @{ $LOCK{$key} }, $Coro::current; 366 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 367 Coro::schedule;
244 } 368 }
245} 369}
246 370
249 373
250 # wait, to be sure we are not locked 374 # wait, to be sure we are not locked
251 lock_wait $key; 375 lock_wait $key;
252 376
253 $LOCK{$key} = []; 377 $LOCK{$key} = [];
378 $LOCKER{$key} = $Coro::current;#d#
254 379
255 Coro::guard { 380 Guard::guard {
381 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 382 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 383 $_->ready for @{ delete $LOCK{$key} };
258 } 384 }
259} 385}
260 386
387sub lock_active($) {
388 my ($key) = @_;
389
390 ! ! $LOCK{$key}
391}
392
261sub freeze_mainloop { 393sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 394 tick_inhibit_inc;
263 395
264 my $guard = Coro::guard { 396 &Guard::guard (\&tick_inhibit_dec);
265 $TICK_WATCHER->start; 397}
266 $WRITE_RUNTIME_WATCHER->start; 398
399=item cf::periodic $interval, $cb
400
401Like EV::periodic, but randomly selects a starting point so that the actions
402get spread over timer.
403
404=cut
405
406sub periodic($$) {
407 my ($interval, $cb) = @_;
408
409 my $start = rand List::Util::min 180, $interval;
410
411 EV::periodic $start, $interval, 0, $cb
412}
413
414=item cf::get_slot $time[, $priority[, $name]]
415
416Allocate $time seconds of blocking CPU time at priority C<$priority>:
417This call blocks and returns only when you have at least C<$time> seconds
418of cpu time till the next tick. The slot is only valid till the next cede.
419
420The optional C<$name> can be used to identify the job to run. It might be
421used for statistical purposes and should identify the same time-class.
422
423Useful for short background jobs.
424
425=cut
426
427our @SLOT_QUEUE;
428our $SLOT_QUEUE;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435
436 while () {
437 next_job:
438 my $avail = cf::till_tick;
439 if ($avail > 0.01) {
440 for (0 .. $#SLOT_QUEUE) {
441 if ($SLOT_QUEUE[$_][0] < $avail) {
442 my $job = splice @SLOT_QUEUE, $_, 1, ();
443 $job->[2]->send;
444 Coro::cede;
445 goto next_job;
446 }
447 }
448 }
449
450 if (@SLOT_QUEUE) {
451 # we do not use wait_for_tick() as it returns immediately when tick is inactive
452 push @cf::WAIT_FOR_TICK, $signal;
453 $signal->wait;
454 } else {
455 Coro::schedule;
456 }
267 }; 457 }
268 $WRITE_RUNTIME_WATCHER->stop; 458};
269 $TICK_WATCHER->stop; 459
270 $guard 460sub get_slot($;$$) {
461 return if tick_inhibit || $Coro::current == $Coro::main;
462
463 my ($time, $pri, $name) = @_;
464
465 $time = $TICK * .6 if $time > $TICK * .6;
466 my $sig = new Coro::Signal;
467
468 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
469 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
470 $SLOT_QUEUE->ready;
471 $sig->wait;
271} 472}
272 473
273=item cf::async { BLOCK } 474=item cf::async { BLOCK }
274 475
275Currently the same as Coro::async_pool, meaning you cannot use 476Currently the same as Coro::async_pool, meaning you cannot use
280 481
281BEGIN { *async = \&Coro::async_pool } 482BEGIN { *async = \&Coro::async_pool }
282 483
283=item cf::sync_job { BLOCK } 484=item cf::sync_job { BLOCK }
284 485
285The design of crossfire+ requires that the main coro ($Coro::main) is 486The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 487is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 488partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
489acceptable.
288 490
289If it must be done, put the blocking parts into C<sync_job>. This will run 491If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 492the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 493server will be frozen during this time, so the block should either finish
292fast or be very important. 494fast or be very important.
295 497
296sub sync_job(&) { 498sub sync_job(&) {
297 my ($job) = @_; 499 my ($job) = @_;
298 500
299 if ($Coro::current == $Coro::main) { 501 if ($Coro::current == $Coro::main) {
502 my $time = EV::time;
503
300 # this is the main coro, too bad, we have to block 504 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 505 # till the operation succeeds, freezing the server :/
302 506
303 # TODO: use suspend/resume instead 507 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 508
305 my $freeze_guard = freeze_mainloop; 509 my $freeze_guard = freeze_mainloop;
306 510
307 my $busy = 1; 511 my $busy = 1;
308 my @res; 512 my @res;
309 513
310 (async { 514 (async {
515 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 516 @res = eval { $job->() };
312 warn $@ if $@; 517 warn $@ if $@;
313 undef $busy; 518 undef $busy;
314 })->prio (Coro::PRIO_MAX); 519 })->prio (Coro::PRIO_MAX);
315 520
316 while ($busy) { 521 while ($busy) {
317 Coro::cede or Event::one_event; 522 if (Coro::nready) {
523 Coro::cede_notself;
524 } else {
525 EV::loop EV::LOOP_ONESHOT;
318 } 526 }
527 }
528
529 my $time = EV::time - $time;
530
531 $TICK_START += $time; # do not account sync jobs to server load
319 532
320 wantarray ? @res : $res[0] 533 wantarray ? @res : $res[0]
321 } else { 534 } else {
322 # we are in another coroutine, how wonderful, everything just works 535 # we are in another coroutine, how wonderful, everything just works
323 536
343 $EXT_CORO{$coro+0} = $coro; 556 $EXT_CORO{$coro+0} = $coro;
344 557
345 $coro 558 $coro
346} 559}
347 560
348sub write_runtime { 561=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 562
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 563Executes the given code block with the given arguments in a seperate
352 or return; 564process, returning the results. Everything must be serialisable with
565Coro::Storable. May, of course, block. Note that the executed sub may
566never block itself or use any form of event handling.
353 567
354 my $value = $cf::RUNTIME + 90 + 10; 568=cut
355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357 569
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 570sub fork_call(&@) {
359 and return; 571 my ($cb, @args) = @_;
360 572
361 aio_fsync $fh 573 # we seemingly have to make a local copy of the whole thing,
362 and return; 574 # otherwise perl prematurely frees the stuff :/
575 # TODO: investigate and fix (likely this will be rather laborious)
363 576
364 close $fh 577 my @res = Coro::Util::fork_eval {
365 or return; 578 reset_signals;
579 &$cb
580 }, @args;
366 581
367 aio_rename "$runtime~", $runtime 582 wantarray ? @res : $res[-1]
368 and return; 583}
369 584
585=item $coin = coin_from_name $name
586
587=cut
588
589our %coin_alias = (
590 "silver" => "silvercoin",
591 "silvercoin" => "silvercoin",
592 "silvercoins" => "silvercoin",
593 "gold" => "goldcoin",
594 "goldcoin" => "goldcoin",
595 "goldcoins" => "goldcoin",
596 "platinum" => "platinacoin",
597 "platinumcoin" => "platinacoin",
598 "platinumcoins" => "platinacoin",
599 "platina" => "platinacoin",
600 "platinacoin" => "platinacoin",
601 "platinacoins" => "platinacoin",
602 "royalty" => "royalty",
603 "royalties" => "royalty",
604);
605
606sub coin_from_name($) {
607 $coin_alias{$_[0]}
608 ? cf::arch::find $coin_alias{$_[0]}
609 : undef
610}
611
612=item $value = cf::db_get $family => $key
613
614Returns a single value from the environment database.
615
616=item cf::db_put $family => $key => $value
617
618Stores the given C<$value> in the family. It can currently store binary
619data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
620
621=item $db = cf::db_table "name"
622
623Create and/or open a new database table. The string must not be "db" and must be unique
624within each server.
625
626=cut
627
628sub db_table($) {
629 my ($name) = @_;
630 my $db = BDB::db_create $DB_ENV;
631
632 eval {
633 $db->set_flags (BDB::CHKSUM);
634
635 utf8::encode $name;
636 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
637 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
638 cf::cleanup "db_open(db): $!" if $!;
639 };
640 cf::cleanup "db_open(db): $@" if $@;
641
642 $db
643}
644
645our $DB;
646
647sub db_init {
648 cf::sync_job {
649 $DB ||= db_table "db";
650 };
651}
652
653sub db_get($$) {
654 my $key = "$_[0]/$_[1]";
655
656 cf::sync_job {
657 BDB::db_get $DB, undef, $key, my $data;
658
659 $! ? ()
660 : $data
370 1 661 }
662}
663
664sub db_put($$$) {
665 BDB::dbreq_pri 4;
666 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
667}
668
669=item cf::cache $id => [$paths...], $processversion => $process
670
671Generic caching function that returns the value of the resource $id,
672caching and regenerating as required.
673
674This function can block.
675
676=cut
677
678sub cache {
679 my ($id, $src, $processversion, $process) = @_;
680
681 my $meta =
682 join "\x00",
683 $processversion,
684 map {
685 aio_stat $_
686 and Carp::croak "$_: $!";
687
688 ($_, (stat _)[7,9])
689 } @$src;
690
691 my $dbmeta = db_get cache => "$id/meta";
692 if ($dbmeta ne $meta) {
693 # changed, we may need to process
694
695 my @data;
696 my $md5;
697
698 for (0 .. $#$src) {
699 0 <= aio_load $src->[$_], $data[$_]
700 or Carp::croak "$src->[$_]: $!";
701 }
702
703 # if processing is expensive, check
704 # checksum first
705 if (1) {
706 $md5 =
707 join "\x00",
708 $processversion,
709 map {
710 cf::cede_to_tick;
711 ($src->[$_], Digest::MD5::md5_hex $data[$_])
712 } 0.. $#$src;
713
714
715 my $dbmd5 = db_get cache => "$id/md5";
716 if ($dbmd5 eq $md5) {
717 db_put cache => "$id/meta", $meta;
718
719 return db_get cache => "$id/data";
720 }
721 }
722
723 my $t1 = Time::HiRes::time;
724 my $data = $process->(\@data);
725 my $t2 = Time::HiRes::time;
726
727 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
728
729 db_put cache => "$id/data", $data;
730 db_put cache => "$id/md5" , $md5;
731 db_put cache => "$id/meta", $meta;
732
733 return $data;
734 }
735
736 db_get cache => "$id/data"
737}
738
739=item cf::datalog type => key => value, ...
740
741Log a datalog packet of the given type with the given key-value pairs.
742
743=cut
744
745sub datalog($@) {
746 my ($type, %kv) = @_;
747 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371} 748}
372 749
373=back 750=back
374 751
375=cut 752=cut
376 753
377############################################################################# 754#############################################################################
378 755
379=head2 ATTACHABLE OBJECTS 756=head2 ATTACHABLE OBJECTS
380 757
381Many objects in crossfire are so-called attachable objects. That means you can 758Many objects in deliantra are so-called attachable objects. That means you can
382attach callbacks/event handlers (a collection of which is called an "attachment") 759attach callbacks/event handlers (a collection of which is called an "attachment")
383to it. All such attachable objects support the following methods. 760to it. All such attachable objects support the following methods.
384 761
385In the following description, CLASS can be any of C<global>, C<object> 762In the following description, CLASS can be any of C<global>, C<object>
386C<player>, C<client> or C<map> (i.e. the attachable objects in 763C<player>, C<client> or C<map> (i.e. the attachable objects in
387crossfire+). 764Deliantra).
388 765
389=over 4 766=over 4
390 767
391=item $attachable->attach ($attachment, key => $value...) 768=item $attachable->attach ($attachment, key => $value...)
392 769
436=item cf::CLASS::attachment $name, ... 813=item cf::CLASS::attachment $name, ...
437 814
438Register an attachment by C<$name> through which attachable objects of the 815Register an attachment by C<$name> through which attachable objects of the
439given CLASS can refer to this attachment. 816given CLASS can refer to this attachment.
440 817
441Some classes such as crossfire maps and objects can specify attachments 818Some classes such as deliantra maps and objects can specify attachments
442that are attached at load/instantiate time, thus the need for a name. 819that are attached at load/instantiate time, thus the need for a name.
443 820
444These calls expect any number of the following handler/hook descriptions: 821These calls expect any number of the following handler/hook descriptions:
445 822
446=over 4 823=over 4
555 $registry = $CB_TYPE[$object_type] ||= []; 932 $registry = $CB_TYPE[$object_type] ||= [];
556 933
557 } elsif ($type eq "subtype") { 934 } elsif ($type eq "subtype") {
558 defined $object_type or Carp::croak "subtype specified without type"; 935 defined $object_type or Carp::croak "subtype specified without type";
559 my $object_subtype = shift @arg; 936 my $object_subtype = shift @arg;
560 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 937 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561 938
562 } elsif ($type eq "package") { 939 } elsif ($type eq "package") {
563 my $pkg = shift @arg; 940 my $pkg = shift @arg;
564 941
565 while (my ($name, $id) = each %cb_id) { 942 while (my ($name, $id) = each %cb_id) {
594 _attach $registry, $klass, @attach; 971 _attach $registry, $klass, @attach;
595 } 972 }
596 973
597 $obj->{$name} = \%arg; 974 $obj->{$name} = \%arg;
598 } else { 975 } else {
599 warn "object uses attachment '$name' that is not available, postponing.\n"; 976 warn "object uses attachment '$name' which is not available, postponing.\n";
600 } 977 }
601 978
602 $obj->{_attachment}{$name} = undef; 979 $obj->{_attachment}{$name} = undef;
603} 980}
604 981
606 if (ref $_[0]) { 983 if (ref $_[0]) {
607 _object_attach @_; 984 _object_attach @_;
608 } else { 985 } else {
609 _attach shift->_attach_registry, @_; 986 _attach shift->_attach_registry, @_;
610 } 987 }
988 _recalc_want;
611}; 989};
612 990
613# all those should be optimised 991# all those should be optimised
614sub cf::attachable::detach { 992sub cf::attachable::detach {
615 my ($obj, $name) = @_; 993 my ($obj, $name) = @_;
618 delete $obj->{_attachment}{$name}; 996 delete $obj->{_attachment}{$name};
619 reattach ($obj); 997 reattach ($obj);
620 } else { 998 } else {
621 Carp::croak "cannot, currently, detach class attachments"; 999 Carp::croak "cannot, currently, detach class attachments";
622 } 1000 }
1001 _recalc_want;
623}; 1002};
624 1003
625sub cf::attachable::attached { 1004sub cf::attachable::attached {
626 my ($obj, $name) = @_; 1005 my ($obj, $name) = @_;
627 1006
642 "; 1021 ";
643 die if $@; 1022 die if $@;
644} 1023}
645 1024
646our $override; 1025our $override;
647our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1026our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648 1027
649sub override { 1028sub override {
650 $override = 1; 1029 $override = 1;
651 @invoke_results = (); 1030 @INVOKE_RESULTS = (@_);
652} 1031}
653 1032
654sub do_invoke { 1033sub do_invoke {
655 my $event = shift; 1034 my $event = shift;
656 my $callbacks = shift; 1035 my $callbacks = shift;
657 1036
658 @invoke_results = (); 1037 @INVOKE_RESULTS = ();
659 1038
660 local $override; 1039 local $override;
661 1040
662 for (@$callbacks) { 1041 for (@$callbacks) {
663 eval { &{$_->[1]} }; 1042 eval { &{$_->[1]} };
672 } 1051 }
673 1052
674 0 1053 0
675} 1054}
676 1055
677=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1056=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678 1057
679=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1058=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680 1059
681Generate an object-specific event with the given arguments. 1060Generate an object-specific event with the given arguments.
682 1061
683This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1062This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684removed in future versions), and there is no public API to access override 1063removed in future versions), and there is no public API to access override
685results (if you must, access C<@cf::invoke_results> directly). 1064results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686 1065
687=back 1066=back
688 1067
689=cut 1068=cut
690 1069
691############################################################################# 1070#############################################################################
692# object support 1071# object support
1072
1073sub _object_equal($$);
1074sub _object_equal($$) {
1075 my ($a, $b) = @_;
1076
1077 return 0 unless (ref $a) eq (ref $b);
1078
1079 if ("HASH" eq ref $a) {
1080 my @ka = keys %$a;
1081 my @kb = keys %$b;
1082
1083 return 0 if @ka != @kb;
1084
1085 for (0 .. $#ka) {
1086 return 0 unless $ka[$_] eq $kb[$_];
1087 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1088 }
1089
1090 } elsif ("ARRAY" eq ref $a) {
1091
1092 return 0 if @$a != @$b;
1093
1094 for (0 .. $#$a) {
1095 return 0 unless _object_equal $a->[$_], $b->[$_];
1096 }
1097
1098 } elsif ($a ne $b) {
1099 return 0;
1100 }
1101
1102 1
1103}
1104
1105our $SLOW_MERGES;#d#
1106sub _can_merge {
1107 my ($ob1, $ob2) = @_;
1108
1109 ++$SLOW_MERGES;#d#
1110
1111 # we do the slow way here
1112 return _object_equal $ob1, $ob2
1113}
693 1114
694sub reattach { 1115sub reattach {
695 # basically do the same as instantiate, without calling instantiate 1116 # basically do the same as instantiate, without calling instantiate
696 my ($obj) = @_; 1117 my ($obj) = @_;
697 1118
1119 # no longer needed after getting rid of delete_package?
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1120 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699 1121
700 my $registry = $obj->registry; 1122 my $registry = $obj->registry;
701 1123
702 @$registry = (); 1124 @$registry = ();
703 1125
718cf::attachable->attach ( 1140cf::attachable->attach (
719 prio => -1000000, 1141 prio => -1000000,
720 on_instantiate => sub { 1142 on_instantiate => sub {
721 my ($obj, $data) = @_; 1143 my ($obj, $data) = @_;
722 1144
723 $data = from_json $data; 1145 $data = decode_json $data;
724 1146
725 for (@$data) { 1147 for (@$data) {
726 my ($name, $args) = @$_; 1148 my ($name, $args) = @$_;
727 1149
728 $obj->attach ($name, %{$args || {} }); 1150 $obj->attach ($name, %{$args || {} });
744sub object_freezer_save { 1166sub object_freezer_save {
745 my ($filename, $rdata, $objs) = @_; 1167 my ($filename, $rdata, $objs) = @_;
746 1168
747 sync_job { 1169 sync_job {
748 if (length $$rdata) { 1170 if (length $$rdata) {
1171 utf8::decode (my $decname = $filename);
749 warn sprintf "saving %s (%d,%d)\n", 1172 warn sprintf "saving %s (%d,%d)\n",
750 $filename, length $$rdata, scalar @$objs; 1173 $decname, length $$rdata, scalar @$objs;
751 1174
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 1176 aio_chmod $fh, SAVE_MODE;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1177 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 1178 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 1179 aio_close $fh;
757 1180
758 if (@$objs) { 1181 if (@$objs) {
759 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1182 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760 chmod SAVE_MODE, $fh; 1183 aio_chmod $fh, SAVE_MODE;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1184 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 1185 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 1186 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 1187 aio_close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 1188 aio_rename "$filename.pst~", "$filename.pst";
766 } 1189 }
767 } else { 1190 } else {
768 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
769 } 1192 }
770 1193
771 aio_rename "$filename~", $filename; 1194 aio_rename "$filename~", $filename;
1195
1196 $filename =~ s%/[^/]+$%%;
1197 aio_pathsync $filename if $cf::USE_FSYNC;
772 } else { 1198 } else {
773 warn "FATAL: $filename~: $!\n"; 1199 warn "FATAL: $filename~: $!\n";
774 } 1200 }
775 } else { 1201 } else {
776 aio_unlink $filename; 1202 aio_unlink $filename;
777 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
778 } 1204 }
779 } 1205 };
780} 1206}
781 1207
782sub object_freezer_as_string { 1208sub object_freezer_as_string {
783 my ($rdata, $objs) = @_; 1209 my ($rdata, $objs) = @_;
784 1210
796 or return; 1222 or return;
797 1223
798 unless (aio_stat "$filename.pst") { 1224 unless (aio_stat "$filename.pst") {
799 (aio_load "$filename.pst", $av) >= 0 1225 (aio_load "$filename.pst", $av) >= 0
800 or return; 1226 or return;
1227
801 $av = eval { (Storable::thaw $av)->{objs} }; 1228 my $st = eval { Coro::Storable::thaw $av };
1229 $av = $st->{objs};
802 } 1230 }
803 1231
1232 utf8::decode (my $decname = $filename);
804 warn sprintf "loading %s (%d)\n", 1233 warn sprintf "loading %s (%d,%d)\n",
805 $filename, length $data, scalar @{$av || []};#d# 1234 $decname, length $data, scalar @{$av || []};
1235
806 return ($data, $av); 1236 ($data, $av)
807} 1237}
1238
1239=head2 COMMAND CALLBACKS
1240
1241=over 4
1242
1243=cut
808 1244
809############################################################################# 1245#############################################################################
810# command handling &c 1246# command handling &c
811 1247
812=item cf::register_command $name => \&callback($ob,$args); 1248=item cf::register_command $name => \&callback($ob,$args);
825 push @{ $COMMAND{$name} }, [$caller, $cb]; 1261 push @{ $COMMAND{$name} }, [$caller, $cb];
826} 1262}
827 1263
828=item cf::register_extcmd $name => \&callback($pl,$packet); 1264=item cf::register_extcmd $name => \&callback($pl,$packet);
829 1265
830Register a callbackf ro execution when the client sends an extcmd packet. 1266Register a callback for execution when the client sends an (synchronous)
1267extcmd packet. Ext commands will be processed in the order they are
1268received by the server, like other user commands. The first argument is
1269the logged-in player. Ext commands can only be processed after a player
1270has logged in successfully.
831 1271
832If the callback returns something, it is sent back as if reply was being 1272If the callback returns something, it is sent back as if reply was being
833called. 1273called.
834 1274
1275=item cf::register_exticmd $name => \&callback($ns,$packet);
1276
1277Register a callback for execution when the client sends an (asynchronous)
1278exticmd packet. Exti commands are processed by the server as soon as they
1279are received, i.e. out of order w.r.t. other commands. The first argument
1280is a client socket. Exti commands can be received anytime, even before
1281log-in.
1282
1283If the callback returns something, it is sent back as if reply was being
1284called.
1285
835=cut 1286=cut
836 1287
837sub register_extcmd { 1288sub register_extcmd {
838 my ($name, $cb) = @_; 1289 my ($name, $cb) = @_;
839 1290
840 $EXTCMD{$name} = $cb; 1291 $EXTCMD{$name} = $cb;
841} 1292}
1293
1294sub register_exticmd {
1295 my ($name, $cb) = @_;
1296
1297 $EXTICMD{$name} = $cb;
1298}
1299
1300use File::Glob ();
842 1301
843cf::player->attach ( 1302cf::player->attach (
844 on_command => sub { 1303 on_command => sub {
845 my ($pl, $name, $params) = @_; 1304 my ($pl, $name, $params) = @_;
846 1305
854 cf::override; 1313 cf::override;
855 }, 1314 },
856 on_extcmd => sub { 1315 on_extcmd => sub {
857 my ($pl, $buf) = @_; 1316 my ($pl, $buf) = @_;
858 1317
859 my $msg = eval { from_json $buf }; 1318 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860 1319
861 if (ref $msg) { 1320 if (ref $msg) {
1321 my ($type, $reply, @payload) =
1322 "ARRAY" eq ref $msg
1323 ? @$msg
1324 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1325
1326 my @reply;
1327
862 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1328 if (my $cb = $EXTCMD{$type}) {
863 if (my %reply = $cb->($pl, $msg)) { 1329 @reply = $cb->($pl, @payload);
864 $pl->ext_reply ($msg->{msgid}, %reply);
865 }
866 } 1330 }
1331
1332 $pl->ext_reply ($reply, @reply)
1333 if $reply;
1334
867 } else { 1335 } else {
868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1336 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869 } 1337 }
870 1338
871 cf::override; 1339 cf::override;
872 }, 1340 },
873); 1341);
874 1342
1343# "readahead" all extensions
875sub load_extension { 1344sub cache_extensions {
876 my ($path) = @_; 1345 my $grp = IO::AIO::aio_group;
877 1346
878 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1347 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
879 my $base = $1; 1348 for (grep /\.ext$/, @{$_[0]}) {
880 my $pkg = $1; 1349 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881 $pkg =~ s/[^[:word:]]/_/g;
882 $pkg = "ext::$pkg";
883
884 warn "... loading '$path' into '$pkg'\n";
885
886 open my $fh, "<:utf8", $path
887 or die "$path: $!";
888
889 my $source =
890 "package $pkg; use strict; use utf8;\n"
891 . "#line 1 \"$path\"\n{\n"
892 . (do { local $/; <$fh> })
893 . "\n};\n1";
894
895 unless (eval $source) {
896 my $msg = $@ ? "$path: $@\n"
897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 } 1350 }
903 die $@;
904 } 1351 };
905 1352
906 push @EXTS, $pkg; 1353 $grp
907} 1354}
908 1355
909sub load_extensions { 1356sub load_extensions {
1357 cf::sync_job {
1358 my %todo;
1359
910 for my $ext (<$LIBDIR/*.ext>) { 1360 for my $path (<$LIBDIR/*.ext>) {
911 next unless -r $ext; 1361 next unless -r $path;
912 eval { 1362
913 load_extension $ext; 1363 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1364 my $base = $1;
1365 my $pkg = $1;
1366 $pkg =~ s/[^[:word:]]/_/g;
1367 $pkg = "ext::$pkg";
1368
1369 open my $fh, "<:utf8", $path
1370 or die "$path: $!";
1371
1372 my $source = do { local $/; <$fh> };
1373
1374 my %ext = (
1375 path => $path,
1376 base => $base,
1377 pkg => $pkg,
1378 );
1379
1380 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1381 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1382
1383 $ext{source} =
1384 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1385 . "#line 1 \"$path\"\n{\n"
1386 . $source
1387 . "\n};\n1";
1388
1389 $todo{$base} = \%ext;
1390 }
1391
1392 my %done;
1393 while (%todo) {
1394 my $progress;
1395
1396 while (my ($k, $v) = each %todo) {
1397 for (split /,\s*/, $v->{meta}{depends}) {
1398 goto skip
1399 unless exists $done{$_};
1400 }
1401
1402 warn "... loading '$k' into '$v->{pkg}'\n";
1403
1404 unless (eval $v->{source}) {
1405 my $msg = $@ ? "$v->{path}: $@\n"
1406 : "$v->{base}: extension inactive.\n";
1407
1408 if (exists $v->{meta}{mandatory}) {
1409 warn $msg;
1410 cf::cleanup "mandatory extension failed to load, exiting.";
1411 }
1412
1413 warn $msg;
1414 }
1415
1416 $done{$k} = delete $todo{$k};
1417 push @EXTS, $v->{pkg};
1418 $progress = 1;
914 1 1419 }
915 } or warn "$ext not loaded: $@"; 1420
1421 skip:
1422 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1423 unless $progress;
1424 }
916 } 1425 };
917} 1426}
918 1427
919############################################################################# 1428#############################################################################
920 1429
1430=back
1431
921=head2 CORE EXTENSIONS 1432=head2 CORE EXTENSIONS
922 1433
923Functions and methods that extend core crossfire objects. 1434Functions and methods that extend core deliantra objects.
924 1435
925=cut 1436=cut
926 1437
927package cf::player; 1438package cf::player;
928 1439
930 1441
931=head3 cf::player 1442=head3 cf::player
932 1443
933=over 4 1444=over 4
934 1445
1446=item cf::player::num_playing
1447
1448Returns the official number of playing players, as per the Crossfire metaserver rules.
1449
1450=cut
1451
1452sub num_playing {
1453 scalar grep
1454 $_->ob->map
1455 && !$_->hidden
1456 && !$_->ob->flag (cf::FLAG_WIZ),
1457 cf::player::list
1458}
1459
935=item cf::player::find $login 1460=item cf::player::find $login
936 1461
937Returns the given player object, loading it if necessary (might block). 1462Returns the given player object, loading it if necessary (might block).
938 1463
939=cut 1464=cut
940 1465
941sub playerdir($) { 1466sub playerdir($) {
942 cf::localdir 1467 "$PLAYERDIR/"
943 . "/"
944 . cf::playerdir
945 . "/"
946 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1468 . (ref $_[0] ? $_[0]->ob->name : $_[0])
947} 1469}
948 1470
949sub path($) { 1471sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1472 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 1473
952 (playerdir $login) . "/$login.pl" 1474 (playerdir $login) . "/playerdata"
953} 1475}
954 1476
955sub find_active($) { 1477sub find_active($) {
956 $cf::PLAYER{$_[0]} 1478 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 1479 and $cf::PLAYER{$_[0]}->active
960 1482
961sub exists($) { 1483sub exists($) {
962 my ($login) = @_; 1484 my ($login) = @_;
963 1485
964 $cf::PLAYER{$login} 1486 $cf::PLAYER{$login}
965 or cf::sync_job { !aio_stat path $login } 1487 or !aio_stat path $login
966} 1488}
967 1489
968sub find($) { 1490sub find($) {
969 return $cf::PLAYER{$_[0]} || do { 1491 return $cf::PLAYER{$_[0]} || do {
970 my $login = $_[0]; 1492 my $login = $_[0];
971 1493
972 my $guard = cf::lock_acquire "user_find:$login"; 1494 my $guard = cf::lock_acquire "user_find:$login";
973 1495
974 $cf::PLAYER{$_[0]} || do { 1496 $cf::PLAYER{$_[0]} || do {
975 my $pl = load_pl path $login 1497 # rename old playerfiles to new ones
1498 #TODO: remove when no longer required
1499 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1500 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1501 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1502 aio_unlink +(playerdir $login) . "/$login.pl";
1503
1504 my $f = new_from_file cf::object::thawer path $login
976 or return; 1505 or return;
1506
1507 my $pl = cf::player::load_pl $f
1508 or return;
1509
1510 local $cf::PLAYER_LOADING{$login} = $pl;
1511 $f->resolve_delayed_derefs;
977 $cf::PLAYER{$login} = $pl 1512 $cf::PLAYER{$login} = $pl
978 } 1513 }
979 } 1514 }
980} 1515}
981 1516
990 return if $pl->{deny_save}; 1525 return if $pl->{deny_save};
991 1526
992 aio_mkdir playerdir $pl, 0770; 1527 aio_mkdir playerdir $pl, 0770;
993 $pl->{last_save} = $cf::RUNTIME; 1528 $pl->{last_save} = $cf::RUNTIME;
994 1529
1530 cf::get_slot 0.01;
1531
995 $pl->save_pl ($path); 1532 $pl->save_pl ($path);
996 Coro::cede; 1533 cf::cede_to_tick;
997} 1534}
998 1535
999sub new($) { 1536sub new($) {
1000 my ($login) = @_; 1537 my ($login) = @_;
1001 1538
1007 $cf::PLAYER{$login} = $self; 1544 $cf::PLAYER{$login} = $self;
1008 1545
1009 $self 1546 $self
1010} 1547}
1011 1548
1549=item $player->send_msg ($channel, $msg, $color, [extra...])
1550
1551=cut
1552
1553sub send_msg {
1554 my $ns = shift->ns
1555 or return;
1556 $ns->send_msg (@_);
1557}
1558
1012=item $pl->quit_character 1559=item $pl->quit_character
1013 1560
1014Nukes the player without looking back. If logged in, the connection will 1561Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time. 1562be destroyed. May block for a long time.
1016 1563
1017=cut 1564=cut
1018 1565
1019sub quit_character { 1566sub quit_character {
1020 my ($pl) = @_; 1567 my ($pl) = @_;
1021 1568
1569 my $name = $pl->ob->name;
1570
1022 $pl->{deny_save} = 1; 1571 $pl->{deny_save} = 1;
1023 $pl->password ("*"); # this should lock out the player until we nuked the dir 1572 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1024 1573
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1574 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026 $pl->deactivate; 1575 $pl->deactivate;
1576 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1577 $pl->ob->check_score;
1027 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1578 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1028 $pl->ns->destroy if $pl->ns; 1579 $pl->ns->destroy if $pl->ns;
1029 1580
1030 my $path = playerdir $pl; 1581 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1582 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1583 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1584 delete $cf::PLAYER{$pl->ob->name};
1034 $pl->destroy; 1585 $pl->destroy;
1586
1587 my $prefix = qr<^~\Q$name\E/>;
1588
1589 # nuke player maps
1590 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1591
1035 IO::AIO::aio_rmtree $temp; 1592 IO::AIO::aio_rmtree $temp;
1593}
1594
1595=item $pl->kick
1596
1597Kicks a player out of the game. This destroys the connection.
1598
1599=cut
1600
1601sub kick {
1602 my ($pl, $kicker) = @_;
1603
1604 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1605 $pl->killer ("kicked");
1606 $pl->ns->destroy;
1036} 1607}
1037 1608
1038=item cf::player::list_logins 1609=item cf::player::list_logins
1039 1610
1040Returns am arrayref of all valid playernames in the system, can take a 1611Returns am arrayref of all valid playernames in the system, can take a
1041while and may block, so not sync_job-capable, ever. 1612while and may block, so not sync_job-capable, ever.
1042 1613
1043=cut 1614=cut
1044 1615
1045sub list_logins { 1616sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1617 my $dirs = aio_readdir $PLAYERDIR
1047 or return []; 1618 or return [];
1048 1619
1049 my @logins; 1620 my @logins;
1050 1621
1051 for my $login (@$dirs) { 1622 for my $login (@$dirs) {
1623 my $path = path $login;
1624
1625 # a .pst is a dead give-away for a valid player
1626 # if no pst file found, open and chekc for blocked users
1627 if (aio_stat "$path.pst") {
1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1628 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053 aio_read $fh, 0, 512, my $buf, 0 or next; 1629 aio_read $fh, 0, 512, my $buf, 0 or next;
1054 $buf !~ /^password -------------$/m or next; # official not-valid tag 1630 $buf !~ /^password -------------$/m or next; # official not-valid tag
1631 }
1055 1632
1056 utf8::decode $login; 1633 utf8::decode $login;
1057 push @logins, $login; 1634 push @logins, $login;
1058 } 1635 }
1059 1636
1067 1644
1068=cut 1645=cut
1069 1646
1070sub maps($) { 1647sub maps($) {
1071 my ($pl) = @_; 1648 my ($pl) = @_;
1649
1650 $pl = ref $pl ? $pl->ob->name : $pl;
1072 1651
1073 my $files = aio_readdir playerdir $pl 1652 my $files = aio_readdir playerdir $pl
1074 or return; 1653 or return;
1075 1654
1076 my @paths; 1655 my @paths;
1078 for (@$files) { 1657 for (@$files) {
1079 utf8::decode $_; 1658 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1659 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1660 next unless /^$PATH_SEP/o;
1082 1661
1083 s/\.map$//; 1662 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1663 }
1086 1664
1087 \@paths 1665 \@paths
1088} 1666}
1089 1667
1668=item $protocol_xml = $player->expand_cfpod ($cfpod)
1669
1670Expand deliantra pod fragments into protocol xml.
1671
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1672=item $player->ext_reply ($msgid, @msg)
1091 1673
1092Sends an ext reply to the player. 1674Sends an ext reply to the player.
1093 1675
1094=cut 1676=cut
1095 1677
1096sub ext_reply($$$%) { 1678sub ext_reply($$@) {
1097 my ($self, $id, %msg) = @_; 1679 my ($self, $id, @msg) = @_;
1098 1680
1099 $msg{msgid} = $id; 1681 $self->ns->ext_reply ($id, @msg)
1100
1101 $self->send ("ext " . cf::to_json \%msg);
1102} 1682}
1103 1683
1104package cf; 1684=item $player->ext_msg ($type, @msg)
1685
1686Sends an ext event to the client.
1687
1688=cut
1689
1690sub ext_msg($$@) {
1691 my ($self, $type, @msg) = @_;
1692
1693 $self->ns->ext_msg ($type, @msg);
1694}
1695
1696=head3 cf::region
1697
1698=over 4
1699
1700=cut
1701
1702package cf::region;
1703
1704=item cf::region::find_by_path $path
1705
1706Tries to decuce the likely region for a map knowing only its path.
1707
1708=cut
1709
1710sub find_by_path($) {
1711 my ($path) = @_;
1712
1713 my ($match, $specificity);
1714
1715 for my $region (list) {
1716 if ($region->{match} && $path =~ $region->{match}) {
1717 ($match, $specificity) = ($region, $region->specificity)
1718 if $region->specificity > $specificity;
1719 }
1720 }
1721
1722 $match
1723}
1105 1724
1106=back 1725=back
1107
1108 1726
1109=head3 cf::map 1727=head3 cf::map
1110 1728
1111=over 4 1729=over 4
1112 1730
1124our $MAX_RESET = 3600; 1742our $MAX_RESET = 3600;
1125our $DEFAULT_RESET = 3000; 1743our $DEFAULT_RESET = 3000;
1126 1744
1127sub generate_random_map { 1745sub generate_random_map {
1128 my ($self, $rmp) = @_; 1746 my ($self, $rmp) = @_;
1747
1748 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1749
1129 # mit "rum" bekleckern, nicht 1750 # mit "rum" bekleckern, nicht
1130 $self->_create_random_map ( 1751 $self->_create_random_map (
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1752 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1753 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1754 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1167 my ($self, $merge) = @_; 1788 my ($self, $merge) = @_;
1168 1789
1169 # we have to keep some variables in memory intact 1790 # we have to keep some variables in memory intact
1170 local $self->{path}; 1791 local $self->{path};
1171 local $self->{load_path}; 1792 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174 1793
1175 $self->SUPER::thawer_merge ($merge); 1794 $self->SUPER::thawer_merge ($merge);
1176} 1795}
1177 1796
1178sub normalise { 1797sub normalise {
1179 my ($path, $base) = @_; 1798 my ($path, $base) = @_;
1180 1799
1181 $path = "$path"; # make sure its a string 1800 $path = "$path"; # make sure its a string
1801
1802 $path =~ s/\.map$//;
1182 1803
1183 # map plan: 1804 # map plan:
1184 # 1805 #
1185 # /! non-realised random map exit (special hack!) 1806 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched 1807 # {... are special paths that are not being touched
1223 $self->init; # pass $1 etc. 1844 $self->init; # pass $1 etc.
1224 return $self; 1845 return $self;
1225 } 1846 }
1226 } 1847 }
1227 1848
1228 Carp::carp "unable to resolve path '$path' (base '$base')."; 1849 Carp::cluck "unable to resolve path '$path' (base '$base').";
1229 () 1850 ()
1230} 1851}
1231 1852
1232sub init { 1853sub init {
1233 my ($self) = @_; 1854 my ($self) = @_;
1248 1869
1249# the original (read-only) location 1870# the original (read-only) location
1250sub load_path { 1871sub load_path {
1251 my ($self) = @_; 1872 my ($self) = @_;
1252 1873
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1874 "$MAPDIR/$self->{path}.map"
1254} 1875}
1255 1876
1256# the temporary/swap location 1877# the temporary/swap location
1257sub save_path { 1878sub save_path {
1258 my ($self) = @_; 1879 my ($self) = @_;
1259 1880
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1881 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1882 "$TMPDIR/$path.map"
1262} 1883}
1263 1884
1264# the unique path, undef == no special unique path 1885# the unique path, undef == no special unique path
1265sub uniq_path { 1886sub uniq_path {
1266 my ($self) = @_; 1887 my ($self) = @_;
1267 1888
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1889 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1890 "$UNIQUEDIR/$path"
1270} 1891}
1271 1892
1272# and all this just because we cannot iterate over 1893# and all this just because we cannot iterate over
1273# all maps in C++... 1894# all maps in C++...
1274sub change_all_map_light { 1895sub change_all_map_light {
1276 1897
1277 $_->change_map_light ($change) 1898 $_->change_map_light ($change)
1278 for grep $_->outdoor, values %cf::MAP; 1899 for grep $_->outdoor, values %cf::MAP;
1279} 1900}
1280 1901
1902sub decay_objects {
1903 my ($self) = @_;
1904
1905 return if $self->{deny_reset};
1906
1907 $self->do_decay_objects;
1908}
1909
1281sub unlink_save { 1910sub unlink_save {
1282 my ($self) = @_; 1911 my ($self) = @_;
1283 1912
1284 utf8::encode (my $save = $self->save_path); 1913 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1914 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1288 1917
1289sub load_header_from($) { 1918sub load_header_from($) {
1290 my ($self, $path) = @_; 1919 my ($self, $path) = @_;
1291 1920
1292 utf8::encode $path; 1921 utf8::encode $path;
1293 aio_open $path, O_RDONLY, 0 1922 my $f = new_from_file cf::object::thawer $path
1294 or return; 1923 or return;
1295 1924
1296 $self->_load_header ($path) 1925 $self->_load_header ($f)
1297 or return; 1926 or return;
1927
1928 local $MAP_LOADING{$self->{path}} = $self;
1929 $f->resolve_delayed_derefs;
1298 1930
1299 $self->{load_path} = $path; 1931 $self->{load_path} = $path;
1300 1932
1301 1 1933 1
1302} 1934}
1341 $self->load_header_orig 1973 $self->load_header_orig
1342 or return; 1974 or return;
1343 $self->prepare_orig; 1975 $self->prepare_orig;
1344 } 1976 }
1345 1977
1978 $self->{deny_reset} = 1
1979 if $self->no_reset;
1980
1981 $self->default_region (cf::region::find_by_path $self->{path})
1982 unless $self->default_region;
1983
1346 1 1984 1
1347} 1985}
1348 1986
1349sub find; 1987sub find;
1350sub find { 1988sub find {
1351 my ($path, $origin) = @_; 1989 my ($path, $origin) = @_;
1352 1990
1353 $path = normalise $path, $origin && $origin->path; 1991 $path = normalise $path, $origin && $origin->path;
1354 1992
1993 cf::lock_wait "map_data:$path";#d#remove
1355 cf::lock_wait "map_find:$path"; 1994 cf::lock_wait "map_find:$path";
1356 1995
1357 $cf::MAP{$path} || do { 1996 $cf::MAP{$path} || do {
1997 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358 my $guard = cf::lock_acquire "map_find:$path"; 1998 my $guard2 = cf::lock_acquire "map_find:$path";
1999
1359 my $map = new_from_path cf::map $path 2000 my $map = new_from_path cf::map $path
1360 or return; 2001 or return;
1361 2002
1362 $map->{last_save} = $cf::RUNTIME; 2003 $map->{last_save} = $cf::RUNTIME;
1363 2004
1364 $map->load_header 2005 $map->load_header
1365 or return; 2006 or return;
1366 2007
1367 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2008 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously 2009 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait; 2010 #$cf::WAIT_FOR_TICK->wait;
2011 undef $guard2;
2012 undef $guard1;
1370 $map->reset; 2013 $map->reset;
1371 undef $guard;
1372 return find $path; 2014 return find $path;
1373 } 2015 }
1374 2016
1375 $cf::MAP{$path} = $map 2017 $cf::MAP{$path} = $map
1376 } 2018 }
1383 my ($self) = @_; 2025 my ($self) = @_;
1384 2026
1385 local $self->{deny_reset} = 1; # loading can take a long time 2027 local $self->{deny_reset} = 1; # loading can take a long time
1386 2028
1387 my $path = $self->{path}; 2029 my $path = $self->{path};
2030
2031 {
1388 my $guard = cf::lock_acquire "map_load:$path"; 2032 my $guard = cf::lock_acquire "map_data:$path";
1389 2033
2034 return unless $self->valid;
1390 return if $self->in_memory != cf::MAP_SWAPPED; 2035 return unless $self->in_memory == cf::MAP_SWAPPED;
1391 2036
1392 $self->in_memory (cf::MAP_LOADING); 2037 $self->in_memory (cf::MAP_LOADING);
1393 2038
1394 $self->alloc; 2039 $self->alloc;
1395 2040
1396 $self->pre_load; 2041 $self->pre_load;
2042 cf::cede_to_tick;
1397 2043
1398 $self->_load_objects ($self->{load_path}, 1) 2044 my $f = new_from_file cf::object::thawer $self->{load_path};
2045 $f->skip_block;
2046 $self->_load_objects ($f)
1399 or return; 2047 or return;
1400 2048
1401 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2049 $self->post_load_original
1402 if delete $self->{load_original}; 2050 if delete $self->{load_original};
1403 2051
1404 if (my $uniq = $self->uniq_path) { 2052 if (my $uniq = $self->uniq_path) {
1405 utf8::encode $uniq; 2053 utf8::encode $uniq;
1406 if (aio_open $uniq, O_RDONLY, 0) { 2054 unless (aio_stat $uniq) {
2055 if (my $f = new_from_file cf::object::thawer $uniq) {
1407 $self->clear_unique_items; 2056 $self->clear_unique_items;
1408 $self->_load_objects ($uniq, 0); 2057 $self->_load_objects ($f);
2058 $f->resolve_delayed_derefs;
2059 }
1409 } 2060 }
1410 } 2061 }
1411 2062
1412 Coro::cede; 2063 $f->resolve_delayed_derefs;
1413 2064
2065 cf::cede_to_tick;
1414 # now do the right thing for maps 2066 # now do the right thing for maps
1415 $self->link_multipart_objects; 2067 $self->link_multipart_objects;
1416
1417 unless ($self->{deny_activate}) {
1418 $self->decay_objects;
1419 $self->fix_auto_apply;
1420 $self->update_buttons;
1421 Coro::cede;
1422 $self->set_darkness_map;
1423 $self->difficulty ($self->estimate_difficulty) 2068 $self->difficulty ($self->estimate_difficulty)
1424 unless $self->difficulty; 2069 unless $self->difficulty;
1425 Coro::cede; 2070 cf::cede_to_tick;
2071
2072 unless ($self->{deny_activate}) {
2073 $self->decay_objects;
2074 $self->fix_auto_apply;
2075 $self->update_buttons;
2076 cf::cede_to_tick;
2077 $self->set_darkness_map;
2078 cf::cede_to_tick;
1426 $self->activate; 2079 $self->activate;
2080 }
2081
2082 $self->{last_save} = $cf::RUNTIME;
2083 $self->last_access ($cf::RUNTIME);
2084
2085 $self->in_memory (cf::MAP_ACTIVE);
1427 } 2086 }
1428 2087
1429 $self->post_load; 2088 $self->post_load;
1430
1431 $self->in_memory (cf::MAP_IN_MEMORY);
1432} 2089}
1433 2090
1434sub customise_for { 2091sub customise_for {
1435 my ($self, $ob) = @_; 2092 my ($self, $ob) = @_;
1436 2093
1437 return find "~" . $ob->name . "/" . $self->{path} 2094 return find "~" . $ob->name . "/" . $self->{path}
1438 if $self->per_player; 2095 if $self->per_player;
1439 2096
2097# return find "?party/" . $ob->name . "/" . $self->{path}
2098# if $self->per_party;
2099
1440 $self 2100 $self
1441} 2101}
1442 2102
1443# find and load all maps in the 3x3 area around a map 2103# find and load all maps in the 3x3 area around a map
1444sub load_diag { 2104sub load_neighbours {
1445 my ($map) = @_; 2105 my ($map) = @_;
1446 2106
1447 my @diag; # diagonal neighbours 2107 my @neigh; # diagonal neighbours
1448 2108
1449 for (0 .. 3) { 2109 for (0 .. 3) {
1450 my $neigh = $map->tile_path ($_) 2110 my $neigh = $map->tile_path ($_)
1451 or next; 2111 or next;
1452 $neigh = find $neigh, $map 2112 $neigh = find $neigh, $map
1453 or next; 2113 or next;
1454 $neigh->load; 2114 $neigh->load;
1455 2115
2116 push @neigh,
1456 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2117 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1457 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2118 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1458 } 2119 }
1459 2120
1460 for (@diag) { 2121 for (grep defined $_->[0], @neigh) {
2122 my ($path, $origin) = @$_;
1461 my $neigh = find @$_ 2123 my $neigh = find $path, $origin
1462 or next; 2124 or next;
1463 $neigh->load; 2125 $neigh->load;
1464 } 2126 }
1465} 2127}
1466 2128
1471} 2133}
1472 2134
1473sub do_load_sync { 2135sub do_load_sync {
1474 my ($map) = @_; 2136 my ($map) = @_;
1475 2137
2138 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2139 if $Coro::current == $Coro::main;
2140
1476 cf::sync_job { $map->load }; 2141 cf::sync_job { $map->load };
1477} 2142}
1478 2143
1479our %MAP_PREFETCH; 2144our %MAP_PREFETCH;
1480our $MAP_PREFETCHER = undef; 2145our $MAP_PREFETCHER = undef;
1481 2146
1482sub find_async { 2147sub find_async {
1483 my ($path, $origin) = @_; 2148 my ($path, $origin, $load) = @_;
1484 2149
1485 $path = normalise $path, $origin && $origin->{path}; 2150 $path = normalise $path, $origin && $origin->{path};
1486 2151
1487 if (my $map = $cf::MAP{$path}) { 2152 if (my $map = $cf::MAP{$path}) {
1488 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2153 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1489 } 2154 }
1490 2155
1491 undef $MAP_PREFETCH{$path}; 2156 $MAP_PREFETCH{$path} |= $load;
2157
1492 $MAP_PREFETCHER ||= cf::async { 2158 $MAP_PREFETCHER ||= cf::async {
2159 $Coro::current->{desc} = "map prefetcher";
2160
1493 while (%MAP_PREFETCH) { 2161 while (%MAP_PREFETCH) {
1494 for my $path (keys %MAP_PREFETCH) { 2162 while (my ($k, $v) = each %MAP_PREFETCH) {
1495 my $map = find $path 2163 if (my $map = find $k) {
1496 or next;
1497 $map->load; 2164 $map->load if $v;
2165 }
1498 2166
1499 delete $MAP_PREFETCH{$path}; 2167 delete $MAP_PREFETCH{$k};
1500 } 2168 }
1501 } 2169 }
1502 undef $MAP_PREFETCHER; 2170 undef $MAP_PREFETCHER;
1503 }; 2171 };
1504 $MAP_PREFETCHER->prio (6); 2172 $MAP_PREFETCHER->prio (6);
1507} 2175}
1508 2176
1509sub save { 2177sub save {
1510 my ($self) = @_; 2178 my ($self) = @_;
1511 2179
1512 my $lock = cf::lock_acquire "map_data:" . $self->path; 2180 my $lock = cf::lock_acquire "map_data:$self->{path}";
1513 2181
1514 $self->{last_save} = $cf::RUNTIME; 2182 $self->{last_save} = $cf::RUNTIME;
1515 2183
1516 return unless $self->dirty; 2184 return unless $self->dirty;
1517 2185
1523 return if $self->{deny_save}; 2191 return if $self->{deny_save};
1524 2192
1525 local $self->{last_access} = $self->last_access;#d# 2193 local $self->{last_access} = $self->last_access;#d#
1526 2194
1527 cf::async { 2195 cf::async {
2196 $Coro::current->{desc} = "map player save";
1528 $_->contr->save for $self->players; 2197 $_->contr->save for $self->players;
1529 }; 2198 };
2199
2200 cf::get_slot 0.02;
1530 2201
1531 if ($uniq) { 2202 if ($uniq) {
1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2203 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1533 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2204 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1534 } else { 2205 } else {
1540 my ($self) = @_; 2211 my ($self) = @_;
1541 2212
1542 # save first because save cedes 2213 # save first because save cedes
1543 $self->save; 2214 $self->save;
1544 2215
1545 my $lock = cf::lock_acquire "map_data:" . $self->path; 2216 my $lock = cf::lock_acquire "map_data:$self->{path}";
1546 2217
1547 return if $self->players; 2218 return if $self->players;
1548 return if $self->in_memory != cf::MAP_IN_MEMORY; 2219 return if $self->in_memory != cf::MAP_ACTIVE;
1549 return if $self->{deny_save}; 2220 return if $self->{deny_save};
1550 2221
2222 $self->in_memory (cf::MAP_SWAPPED);
2223
2224 $self->deactivate;
2225 $_->clear_links_to ($self) for values %cf::MAP;
1551 $self->clear; 2226 $self->clear;
1552 $self->in_memory (cf::MAP_SWAPPED);
1553} 2227}
1554 2228
1555sub reset_at { 2229sub reset_at {
1556 my ($self) = @_; 2230 my ($self) = @_;
1557 2231
1558 # TODO: safety, remove and allow resettable per-player maps 2232 # TODO: safety, remove and allow resettable per-player maps
1559 return 1e99 if $self->isa ("ext::map_per_player");#d#
1560 return 1e99 if $self->{deny_reset}; 2233 return 1e99 if $self->{deny_reset};
1561 2234
1562 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2235 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2236 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564 2237
1575 my ($self) = @_; 2248 my ($self) = @_;
1576 2249
1577 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2250 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2251
1579 return if $self->players; 2252 return if $self->players;
1580 return if $self->isa ("ext::map_per_player");#d#
1581 2253
1582 warn "resetting map ", $self->path;#d# 2254 warn "resetting map ", $self->path;
2255
2256 $self->in_memory (cf::MAP_SWAPPED);
2257
2258 # need to save uniques path
2259 unless ($self->{deny_save}) {
2260 my $uniq = $self->uniq_path; utf8::encode $uniq;
2261
2262 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2263 if $uniq;
2264 }
1583 2265
1584 delete $cf::MAP{$self->path}; 2266 delete $cf::MAP{$self->path};
1585 2267
1586 $self->in_memory (cf::MAP_SWAPPED); 2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1587 $self->clear; 2270 $self->clear;
1588
1589 $_->clear_links_to ($self) for values %cf::MAP;
1590 2271
1591 $self->unlink_save; 2272 $self->unlink_save;
1592 $self->destroy; 2273 $self->destroy;
1593} 2274}
1594 2275
1595my $nuke_counter = "aaaa"; 2276my $nuke_counter = "aaaa";
1596 2277
1597sub nuke { 2278sub nuke {
1598 my ($self) = @_; 2279 my ($self) = @_;
1599 2280
2281 {
2282 my $lock = cf::lock_acquire "map_data:$self->{path}";
2283
1600 delete $cf::MAP{$self->path}; 2284 delete $cf::MAP{$self->path};
1601 2285
1602 $self->unlink_save; 2286 $self->unlink_save;
1603 2287
1604 bless $self, "cf::map"; 2288 bless $self, "cf::map";
1605 delete $self->{deny_reset}; 2289 delete $self->{deny_reset};
1606 $self->{deny_save} = 1; 2290 $self->{deny_save} = 1;
1607 $self->reset_timeout (1); 2291 $self->reset_timeout (1);
1608 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2292 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609 2293
1610 $cf::MAP{$self->path} = $self; 2294 $cf::MAP{$self->path} = $self;
2295 }
1611 2296
1612 $self->reset; # polite request, might not happen 2297 $self->reset; # polite request, might not happen
2298}
2299
2300=item $maps = cf::map::tmp_maps
2301
2302Returns an arrayref with all map paths of currently instantiated and saved
2303maps. May block.
2304
2305=cut
2306
2307sub tmp_maps() {
2308 [
2309 map {
2310 utf8::decode $_;
2311 /\.map$/
2312 ? normalise $_
2313 : ()
2314 } @{ aio_readdir $TMPDIR or [] }
2315 ]
2316}
2317
2318=item $maps = cf::map::random_maps
2319
2320Returns an arrayref with all map paths of currently instantiated and saved
2321random maps. May block.
2322
2323=cut
2324
2325sub random_maps() {
2326 [
2327 map {
2328 utf8::decode $_;
2329 /\.map$/
2330 ? normalise "?random/$_"
2331 : ()
2332 } @{ aio_readdir $RANDOMDIR or [] }
2333 ]
1613} 2334}
1614 2335
1615=item cf::map::unique_maps 2336=item cf::map::unique_maps
1616 2337
1617Returns an arrayref of paths of all shared maps that have 2338Returns an arrayref of paths of all shared maps that have
1618instantiated unique items. May block. 2339instantiated unique items. May block.
1619 2340
1620=cut 2341=cut
1621 2342
1622sub unique_maps() { 2343sub unique_maps() {
1623 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2344 [
1624 or return; 2345 map {
1625
1626 my @paths;
1627
1628 for (@$files) {
1629 utf8::decode $_; 2346 utf8::decode $_;
1630 next if /\.pst$/; 2347 s/\.map$//; # TODO future compatibility hack
1631 next unless /^$PATH_SEP/o; 2348 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632 2349 ? ()
1633 s/\.map$//; 2350 : normalise $_
1634 push @paths, $_; 2351 } @{ aio_readdir $UNIQUEDIR or [] }
1635 } 2352 ]
1636
1637 \@paths
1638} 2353}
1639
1640package cf;
1641 2354
1642=back 2355=back
1643 2356
1644=head3 cf::object 2357=head3 cf::object
1645 2358
1649 2362
1650=over 4 2363=over 4
1651 2364
1652=item $ob->inv_recursive 2365=item $ob->inv_recursive
1653 2366
1654Returns the inventory of the object _and_ their inventories, recursively. 2367Returns the inventory of the object I<and> their inventories, recursively,
2368but I<not> the object itself.
1655 2369
1656=cut 2370=cut
1657 2371
1658sub inv_recursive_; 2372sub inv_recursive_;
1659sub inv_recursive_ { 2373sub inv_recursive_ {
1662 2376
1663sub inv_recursive { 2377sub inv_recursive {
1664 inv_recursive_ inv $_[0] 2378 inv_recursive_ inv $_[0]
1665} 2379}
1666 2380
2381=item $ref = $ob->ref
2382
2383Creates and returns a persistent reference to an object that can be stored as a string.
2384
2385=item $ob = cf::object::deref ($refstring)
2386
2387returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2388even if the object actually exists. May block.
2389
2390=cut
2391
2392sub deref {
2393 my ($ref) = @_;
2394
2395 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2396 my ($uuid, $name) = ($1, $2);
2397 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2398 or return;
2399 $pl->ob->uuid eq $uuid
2400 or return;
2401
2402 $pl->ob
2403 } else {
2404 warn "$ref: cannot resolve object reference\n";
2405 undef
2406 }
2407}
2408
1667package cf; 2409package cf;
1668 2410
1669=back 2411=back
1670 2412
1671=head3 cf::object::player 2413=head3 cf::object::player
1677Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2419Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1678can be C<undef>. Does the right thing when the player is currently in a 2420can be C<undef>. Does the right thing when the player is currently in a
1679dialogue with the given NPC character. 2421dialogue with the given NPC character.
1680 2422
1681=cut 2423=cut
2424
2425our $SAY_CHANNEL = {
2426 id => "say",
2427 title => "Map",
2428 reply => "say ",
2429 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2430};
2431
2432our $CHAT_CHANNEL = {
2433 id => "chat",
2434 title => "Chat",
2435 reply => "chat ",
2436 tooltip => "Player chat and shouts, global to the server.",
2437};
1682 2438
1683# rough implementation of a future "reply" method that works 2439# rough implementation of a future "reply" method that works
1684# with dialog boxes. 2440# with dialog boxes.
1685#TODO: the first argument must go, split into a $npc->reply_to ( method 2441#TODO: the first argument must go, split into a $npc->reply_to ( method
1686sub cf::object::player::reply($$$;$) { 2442sub cf::object::player::reply($$$;$) {
1688 2444
1689 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2445 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690 2446
1691 if ($self->{record_replies}) { 2447 if ($self->{record_replies}) {
1692 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2448 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2449
1693 } else { 2450 } else {
2451 my $pl = $self->contr;
2452
2453 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2454 my $dialog = $pl->{npc_dialog};
2455 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2456
2457 } else {
1694 $msg = $npc->name . " says: $msg" if $npc; 2458 $msg = $npc->name . " says: $msg" if $npc;
1695 $self->message ($msg, $flags); 2459 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2460 }
1696 } 2461 }
2462}
2463
2464=item $object->send_msg ($channel, $msg, $color, [extra...])
2465
2466=cut
2467
2468sub cf::object::send_msg {
2469 my $pl = shift->contr
2470 or return;
2471 $pl->send_msg (@_);
1697} 2472}
1698 2473
1699=item $player_object->may ("access") 2474=item $player_object->may ("access")
1700 2475
1701Returns wether the given player is authorized to access resource "access" 2476Returns wether the given player is authorized to access resource "access"
1714 2489
1715=item $player_object->enter_link 2490=item $player_object->enter_link
1716 2491
1717Freezes the player and moves him/her to a special map (C<{link}>). 2492Freezes the player and moves him/her to a special map (C<{link}>).
1718 2493
1719The player should be reasonably safe there for short amounts of time. You 2494The player should be reasonably safe there for short amounts of time (e.g.
1720I<MUST> call C<leave_link> as soon as possible, though. 2495for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2496though, as the palyer cannot control the character while it is on the link
2497map.
1721 2498
1722Will never block. 2499Will never block.
1723 2500
1724=item $player_object->leave_link ($map, $x, $y) 2501=item $player_object->leave_link ($map, $x, $y)
1725 2502
1748 $self->deactivate_recursive; 2525 $self->deactivate_recursive;
1749 2526
1750 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2527 return if UNIVERSAL::isa $self->map, "ext::map_link";
1751 2528
1752 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2529 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753 if $self->map; 2530 if $self->map && $self->map->{path} ne "{link}";
1754 2531
1755 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2532 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1756} 2533}
1757 2534
1758sub cf::object::player::leave_link { 2535sub cf::object::player::leave_link {
1759 my ($self, $map, $x, $y) = @_; 2536 my ($self, $map, $x, $y) = @_;
2537
2538 return unless $self->contr->active;
1760 2539
1761 my $link_pos = delete $self->{_link_pos}; 2540 my $link_pos = delete $self->{_link_pos};
1762 2541
1763 unless ($map) { 2542 unless ($map) {
1764 # restore original map position 2543 # restore original map position
1778 # use -1 or undef as default coordinates, not 0, 0 2557 # use -1 or undef as default coordinates, not 0, 0
1779 ($x, $y) = ($map->enter_x, $map->enter_y) 2558 ($x, $y) = ($map->enter_x, $map->enter_y)
1780 if $x <=0 && $y <= 0; 2559 if $x <=0 && $y <= 0;
1781 2560
1782 $map->load; 2561 $map->load;
1783 $map->load_diag; 2562 $map->load_neighbours;
1784 2563
1785 return unless $self->contr->active; 2564 return unless $self->contr->active;
2565 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1786 $self->activate_recursive; 2566 $self->activate_recursive;
2567
2568 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787 $self->enter_map ($map, $x, $y); 2569 $self->enter_map ($map, $x, $y);
1788} 2570}
1789 2571
1790cf::player->attach ( 2572=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791 on_logout => sub {
1792 my ($pl) = @_;
1793 2573
1794 # abort map switching before logout 2574Moves the player to the given map-path and coordinates by first freezing
1795 if ($pl->ob->{_link_pos}) { 2575her, loading and preparing them map, calling the provided $check callback
1796 cf::sync_job { 2576that has to return the map if sucecssful, and then unfreezes the player on
1797 $pl->ob->leave_link 2577the new (success) or old (failed) map position. In either case, $done will
1798 }; 2578be called at the end of this process.
1799 }
1800 },
1801 on_login => sub {
1802 my ($pl) = @_;
1803 2579
1804 # try to abort aborted map switching on player login :) 2580Note that $check will be called with a potentially non-loaded map, so if
1805 # should happen only on crashes 2581it needs a loaded map it has to call C<< ->load >>.
1806 if ($pl->ob->{_link_pos}) {
1807 $pl->ob->enter_link;
1808 (async {
1809 # we need this sleep as the login has a concurrent enter_exit running
1810 # and this sleep increases chances of the player not ending up in scorn
1811 $pl->ob->reply (undef,
1812 "There was an internal problem at your last logout, "
1813 . "the server will try to bring you to your intended destination in a second.",
1814 cf::NDI_RED);
1815 Coro::Timer::sleep 1;
1816 $pl->ob->leave_link;
1817 })->prio (2);
1818 }
1819 },
1820);
1821 2582
1822=item $player_object->goto ($path, $x, $y)
1823
1824=cut 2583=cut
2584
2585our $GOTOGEN;
1825 2586
1826sub cf::object::player::goto { 2587sub cf::object::player::goto {
1827 my ($self, $path, $x, $y) = @_; 2588 my ($self, $path, $x, $y, $check, $done) = @_;
2589
2590 # do generation counting so two concurrent goto's will be executed in-order
2591 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828 2592
1829 $self->enter_link; 2593 $self->enter_link;
1830 2594
1831 (async { 2595 (async {
2596 $Coro::current->{desc} = "player::goto $path $x $y";
2597
2598 # *tag paths override both path and x|y
2599 if ($path =~ /^\*(.*)$/) {
2600 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2601 my $ob = $obs[rand @obs];
2602
2603 # see if we actually can go there
2604 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2605 $ob = $obs[rand @obs];
2606 } else {
2607 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2608 }
2609 # else put us there anyways for now #d#
2610
2611 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2612 } else {
2613 ($path, $x, $y) = (undef, undef, undef);
2614 }
2615 }
2616
1832 my $map = eval { 2617 my $map = eval {
1833 my $map = cf::map::find $path; 2618 my $map = defined $path ? cf::map::find $path : undef;
2619
2620 if ($map) {
1834 $map = $map->customise_for ($self) if $map; 2621 $map = $map->customise_for ($self);
2622 $map = $check->($map) if $check && $map;
2623 } else {
2624 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2625 }
2626
1835 $map 2627 $map
2628 };
2629
2630 if ($@) {
2631 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2632 LOG llevError | logBacktrace, Carp::longmess $@;
1836 } or 2633 }
1837 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838 2634
2635 if ($gen == $self->{_goto_generation}) {
2636 delete $self->{_goto_generation};
1839 $self->leave_link ($map, $x, $y); 2637 $self->leave_link ($map, $x, $y);
2638 }
2639
2640 $done->() if $done;
1840 })->prio (1); 2641 })->prio (1);
1841} 2642}
1842 2643
1843=item $player_object->enter_exit ($exit_object) 2644=item $player_object->enter_exit ($exit_object)
1844 2645
1864} 2665}
1865 2666
1866sub prepare_random_map { 2667sub prepare_random_map {
1867 my ($exit) = @_; 2668 my ($exit) = @_;
1868 2669
1869 my $guard = cf::lock_acquire "exit_prepare:$exit";
1870
1871 # all this does is basically replace the /! path by 2670 # all this does is basically replace the /! path by
1872 # a new random map path (?random/...) with a seed 2671 # a new random map path (?random/...) with a seed
1873 # that depends on the exit object 2672 # that depends on the exit object
1874 2673
1875 my $rmp = parse_random_map_params $exit->msg; 2674 my $rmp = parse_random_map_params $exit->msg;
1877 if ($exit->map) { 2676 if ($exit->map) {
1878 $rmp->{region} = $exit->region->name; 2677 $rmp->{region} = $exit->region->name;
1879 $rmp->{origin_map} = $exit->map->path; 2678 $rmp->{origin_map} = $exit->map->path;
1880 $rmp->{origin_x} = $exit->x; 2679 $rmp->{origin_x} = $exit->x;
1881 $rmp->{origin_y} = $exit->y; 2680 $rmp->{origin_y} = $exit->y;
2681
2682 $exit->map->touch;
1882 } 2683 }
1883 2684
1884 $rmp->{random_seed} ||= $exit->random_seed; 2685 $rmp->{random_seed} ||= $exit->random_seed;
1885 2686
1886 my $data = cf::to_json $rmp; 2687 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1887 my $md5 = Digest::MD5::md5_hex $data; 2688 my $md5 = Digest::MD5::md5_hex $data;
1888 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2689 my $meta = "$RANDOMDIR/$md5.meta";
1889 2690
1890 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2691 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891 aio_write $fh, 0, (length $data), $data, 0; 2692 aio_write $fh, 0, (length $data), $data, 0;
1892 undef $fh; 2693 undef $fh;
1893 aio_rename "$meta~", $meta; 2694 aio_rename "$meta~", $meta;
1894 2695
2696 my $slaying = "?random/$md5";
2697
2698 if ($exit->valid) {
1895 $exit->slaying ("?random/$md5"); 2699 $exit->slaying ("?random/$md5");
1896 $exit->msg (undef); 2700 $exit->msg (undef);
2701 }
1897 } 2702 }
1898} 2703}
1899 2704
1900sub cf::object::player::enter_exit { 2705sub cf::object::player::enter_exit {
1901 my ($self, $exit) = @_; 2706 my ($self, $exit) = @_;
1902 2707
1903 return unless $self->type == cf::PLAYER; 2708 return unless $self->type == cf::PLAYER;
1904 2709
1905 if ($exit->slaying eq "/!") {
1906 #TODO: this should de-fi-ni-te-ly not be a sync-job
1907 cf::sync_job { prepare_random_map $exit };
1908 }
1909
1910 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911 my $hp = $exit->stats->hp;
1912 my $sp = $exit->stats->sp;
1913
1914 $self->enter_link; 2710 $self->enter_link;
1915 2711
1916 (async { 2712 (async {
1917 $self->deactivate_recursive; # just to be sure 2713 $Coro::current->{desc} = "enter_exit";
2714
1918 unless (eval { 2715 unless (eval {
2716 $self->deactivate_recursive; # just to be sure
2717
2718 # random map handling
2719 {
2720 my $guard = cf::lock_acquire "exit_prepare:$exit";
2721
2722 prepare_random_map $exit
2723 if $exit->slaying eq "/!";
2724 }
2725
2726 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2727 my $x = $exit->stats->hp;
2728 my $y = $exit->stats->sp;
2729
1919 $self->goto ($slaying, $hp, $sp); 2730 $self->goto ($map, $x, $y);
1920 2731
2732 # if exit is damned, update players death & WoR home-position
2733 $self->contr->savebed ($map, $x, $y)
2734 if $exit->flag (cf::FLAG_DAMNED);
2735
1921 1; 2736 1
1922 }) { 2737 }) {
1923 $self->message ("Something went wrong deep within the crossfire server. " 2738 $self->message ("Something went wrong deep within the deliantra server. "
1924 . "I'll try to bring you back to the map you were before. " 2739 . "I'll try to bring you back to the map you were before. "
1925 . "Please report this to the dungeon master!", 2740 . "Please report this to the dungeon master!",
1926 cf::NDI_UNIQUE | cf::NDI_RED); 2741 cf::NDI_UNIQUE | cf::NDI_RED);
1927 2742
1928 warn "ERROR in enter_exit: $@"; 2743 warn "ERROR in enter_exit: $@";
1929 $self->leave_link; 2744 $self->leave_link;
1930 } 2745 }
1931 })->prio (1); 2746 })->prio (1);
1944 2759
1945sub cf::client::send_drawinfo { 2760sub cf::client::send_drawinfo {
1946 my ($self, $text, $flags) = @_; 2761 my ($self, $text, $flags) = @_;
1947 2762
1948 utf8::encode $text; 2763 utf8::encode $text;
1949 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2764 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950} 2765}
1951 2766
2767=item $client->send_msg ($channel, $msg, $color, [extra...])
2768
2769Send a drawinfo or msg packet to the client, formatting the msg for the
2770client if neccessary. C<$type> should be a string identifying the type of
2771the message, with C<log> being the default. If C<$color> is negative, suppress
2772the message unless the client supports the msg packet.
2773
2774=cut
2775
2776# non-persistent channels (usually the info channel)
2777our %CHANNEL = (
2778 "c/identify" => {
2779 id => "infobox",
2780 title => "Identify",
2781 reply => undef,
2782 tooltip => "Items recently identified",
2783 },
2784 "c/examine" => {
2785 id => "infobox",
2786 title => "Examine",
2787 reply => undef,
2788 tooltip => "Signs and other items you examined",
2789 },
2790 "c/book" => {
2791 id => "infobox",
2792 title => "Book",
2793 reply => undef,
2794 tooltip => "The contents of a note or book",
2795 },
2796 "c/lookat" => {
2797 id => "infobox",
2798 title => "Look",
2799 reply => undef,
2800 tooltip => "What you saw there",
2801 },
2802 "c/who" => {
2803 id => "infobox",
2804 title => "Players",
2805 reply => undef,
2806 tooltip => "Shows players who are currently online",
2807 },
2808 "c/body" => {
2809 id => "infobox",
2810 title => "Body Parts",
2811 reply => undef,
2812 tooltip => "Shows which body parts you posess and are available",
2813 },
2814 "c/skills" => {
2815 id => "infobox",
2816 title => "Skills",
2817 reply => undef,
2818 tooltip => "Shows your experience per skill and item power",
2819 },
2820 "c/uptime" => {
2821 id => "infobox",
2822 title => "Uptime",
2823 reply => undef,
2824 tooltip => "How long the server has been running since last restart",
2825 },
2826 "c/mapinfo" => {
2827 id => "infobox",
2828 title => "Map Info",
2829 reply => undef,
2830 tooltip => "Information related to the maps",
2831 },
2832 "c/party" => {
2833 id => "party",
2834 title => "Party",
2835 reply => "gsay ",
2836 tooltip => "Messages and chat related to your party",
2837 },
2838);
2839
2840sub cf::client::send_msg {
2841 my ($self, $channel, $msg, $color, @extra) = @_;
2842
2843 $msg = $self->pl->expand_cfpod ($msg)
2844 unless $color & cf::NDI_VERBATIM;
2845
2846 $color &= cf::NDI_CLIENT_MASK; # just in case...
2847
2848 # check predefined channels, for the benefit of C
2849 if ($CHANNEL{$channel}) {
2850 $channel = $CHANNEL{$channel};
2851
2852 $self->ext_msg (channel_info => $channel)
2853 if $self->can_msg;
2854
2855 $channel = $channel->{id};
2856
2857 } elsif (ref $channel) {
2858 # send meta info to client, if not yet sent
2859 unless (exists $self->{channel}{$channel->{id}}) {
2860 $self->{channel}{$channel->{id}} = $channel;
2861 $self->ext_msg (channel_info => $channel)
2862 if $self->can_msg;
2863 }
2864
2865 $channel = $channel->{id};
2866 }
2867
2868 return unless @extra || length $msg;
2869
2870 if ($self->can_msg) {
2871 # default colour, mask it out
2872 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2873 if $color & cf::NDI_DEF;
2874
2875 my $pkt = "msg "
2876 . $self->{json_coder}->encode (
2877 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2878 );
2879
2880 # try lzf for large packets
2881 $pkt = "lzf " . Compress::LZF::compress $pkt
2882 if 1024 <= length $pkt and $self->{can_lzf};
2883
2884 # split very large packets
2885 if (8192 < length $pkt and $self->{can_lzf}) {
2886 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2887 $pkt = "frag";
2888 }
2889
2890 $self->send_packet ($pkt);
2891 } else {
2892 if ($color >= 0) {
2893 # replace some tags by gcfclient-compatible ones
2894 for ($msg) {
2895 1 while
2896 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2897 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2898 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2899 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2900 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2901 }
2902
2903 $color &= cf::NDI_COLOR_MASK;
2904
2905 utf8::encode $msg;
2906
2907 if (0 && $msg =~ /\[/) {
2908 # COMMAND/INFO
2909 $self->send_packet ("drawextinfo $color 10 8 $msg")
2910 } else {
2911 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2912 $self->send_packet ("drawinfo $color $msg")
2913 }
2914 }
2915 }
2916}
2917
2918=item $client->ext_msg ($type, @msg)
2919
2920Sends an ext event to the client.
2921
2922=cut
2923
2924sub cf::client::ext_msg($$@) {
2925 my ($self, $type, @msg) = @_;
2926
2927 if ($self->extcmd == 2) {
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2929 } elsif ($self->extcmd == 1) { # TODO: remove
2930 push @msg, msgtype => "event_$type";
2931 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932 }
2933}
2934
2935=item $client->ext_reply ($msgid, @msg)
2936
2937Sends an ext reply to the client.
2938
2939=cut
2940
2941sub cf::client::ext_reply($$@) {
2942 my ($self, $id, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2946 } elsif ($self->extcmd == 1) {
2947 #TODO: version 1, remove
2948 unshift @msg, msgtype => "reply", msgid => $id;
2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2951}
1952 2952
1953=item $success = $client->query ($flags, "text", \&cb) 2953=item $success = $client->query ($flags, "text", \&cb)
1954 2954
1955Queues a query to the client, calling the given callback with 2955Queues a query to the client, calling the given callback with
1956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2957C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958 2958
1959Queries can fail, so check the return code. Or don't, as queries will become 2959Queries can fail, so check the return code. Or don't, as queries will
1960reliable at some point in the future. 2960become reliable at some point in the future.
1961 2961
1962=cut 2962=cut
1963 2963
1964sub cf::client::query { 2964sub cf::client::query {
1965 my ($self, $flags, $text, $cb) = @_; 2965 my ($self, $flags, $text, $cb) = @_;
1973 utf8::encode $text; 2973 utf8::encode $text;
1974 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2974 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975 2975
1976 $self->send_packet ($self->{query_queue}[0][0]) 2976 $self->send_packet ($self->{query_queue}[0][0])
1977 if @{ $self->{query_queue} } == 1; 2977 if @{ $self->{query_queue} } == 1;
2978
2979 1
1978} 2980}
1979 2981
1980cf::client->attach ( 2982cf::client->attach (
2983 on_connect => sub {
2984 my ($ns) = @_;
2985
2986 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2987 },
1981 on_reply => sub { 2988 on_reply => sub {
1982 my ($ns, $msg) = @_; 2989 my ($ns, $msg) = @_;
1983 2990
1984 # this weird shuffling is so that direct followup queries 2991 # this weird shuffling is so that direct followup queries
1985 # get handled first 2992 # get handled first
1986 my $queue = delete $ns->{query_queue} 2993 my $queue = delete $ns->{query_queue}
1987 or return; # be conservative, not sure how that can happen, but we saw a crash here 2994 or return; # be conservative, not sure how that can happen, but we saw a crash here
1988 2995
1989 (shift @$queue)->[1]->($msg); 2996 (shift @$queue)->[1]->($msg);
2997 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990 2998
1991 push @{ $ns->{query_queue} }, @$queue; 2999 push @{ $ns->{query_queue} }, @$queue;
1992 3000
1993 if (@{ $ns->{query_queue} } == @$queue) { 3001 if (@{ $ns->{query_queue} } == @$queue) {
1994 if (@$queue) { 3002 if (@$queue) {
1996 } else { 3004 } else {
1997 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3005 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998 } 3006 }
1999 } 3007 }
2000 }, 3008 },
3009 on_exticmd => sub {
3010 my ($ns, $buf) = @_;
3011
3012 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3013
3014 if (ref $msg) {
3015 my ($type, $reply, @payload) =
3016 "ARRAY" eq ref $msg
3017 ? @$msg
3018 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3019
3020 my @reply;
3021
3022 if (my $cb = $EXTICMD{$type}) {
3023 @reply = $cb->($ns, @payload);
3024 }
3025
3026 $ns->ext_reply ($reply, @reply)
3027 if $reply;
3028
3029 } else {
3030 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3031 }
3032
3033 cf::override;
3034 },
2001); 3035);
2002 3036
2003=item $client->async (\&cb) 3037=item $client->async (\&cb)
2004 3038
2005Create a new coroutine, running the specified callback. The coroutine will 3039Create a new coroutine, running the specified callback. The coroutine will
2046our $safe = new Safe "safe"; 3080our $safe = new Safe "safe";
2047our $safe_hole = new Safe::Hole; 3081our $safe_hole = new Safe::Hole;
2048 3082
2049$SIG{FPE} = 'IGNORE'; 3083$SIG{FPE} = 'IGNORE';
2050 3084
2051$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3085$safe->permit_only (Opcode::opset qw(
3086 :base_core :base_mem :base_orig :base_math
3087 grepstart grepwhile mapstart mapwhile
3088 sort time
3089));
2052 3090
2053# here we export the classes and methods available to script code 3091# here we export the classes and methods available to script code
2054 3092
2055=pod 3093=pod
2056 3094
2057The following fucntions and emthods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
2058 3096
2059 cf::object contr pay_amount pay_player map 3097 cf::object
3098 contr pay_amount pay_player map x y force_find force_add destroy
3099 insert remove name archname title slaying race decrease split
3100
2060 cf::object::player player 3101 cf::object::player
2061 cf::player peaceful 3102 player
2062 cf::map trigger 3103
3104 cf::player
3105 peaceful
3106
3107 cf::map
3108 trigger
2063 3109
2064=cut 3110=cut
2065 3111
2066for ( 3112for (
2067 ["cf::object" => qw(contr pay_amount pay_player map)], 3113 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3114 insert remove inv nrof name archname title slaying race
3115 decrease split destroy change_exp)],
2068 ["cf::object::player" => qw(player)], 3116 ["cf::object::player" => qw(player)],
2069 ["cf::player" => qw(peaceful)], 3117 ["cf::player" => qw(peaceful)],
2070 ["cf::map" => qw(trigger)], 3118 ["cf::map" => qw(trigger)],
2071) { 3119) {
2072 no strict 'refs'; 3120 no strict 'refs';
2143=back 3191=back
2144 3192
2145=cut 3193=cut
2146 3194
2147############################################################################# 3195#############################################################################
3196# the server's init and main functions
2148 3197
2149=head2 EXTENSION DATABASE SUPPORT 3198sub load_facedata($) {
3199 my ($path) = @_;
2150 3200
2151Crossfire maintains a very simple database for extension use. It can 3201 # HACK to clear player env face cache, we need some signal framework
2152currently store anything that can be serialised using Storable, which 3202 # for this (global event?)
2153excludes objects. 3203 %ext::player_env::MUSIC_FACE_CACHE = ();
2154 3204
2155The parameter C<$family> should best start with the name of the extension 3205 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156using it, it should be unique.
2157 3206
2158=over 4 3207 warn "loading facedata from $path\n";
2159 3208
2160=item $hashref = cf::db_get $family 3209 my $facedata;
3210 0 < aio_load $path, $facedata
3211 or die "$path: $!";
2161 3212
2162Return a hashref for use by the extension C<$family>, which can be 3213 $facedata = Coro::Storable::thaw $facedata;
2163modified. After modifications, you have to call C<cf::db_dirty> or
2164C<cf::db_sync>.
2165 3214
2166=item $value = cf::db_get $family => $key 3215 $facedata->{version} == 2
3216 or cf::cleanup "$path: version mismatch, cannot proceed.";
2167 3217
2168Returns a single value from the database 3218 # patch in the exptable
2169 3219 $facedata->{resource}{"res/exp_table"} = {
2170=item cf::db_put $family => $hashref 3220 type => FT_RSRC,
2171 3221 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172Stores the given family hashref into the database. Updates are delayed, if
2173you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175=item cf::db_put $family => $key => $value
2176
2177Stores the given C<$value> in the family hash. Updates are delayed, if you
2178want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180=item cf::db_dirty
2181
2182Marks the database as dirty, to be updated at a later time.
2183
2184=item cf::db_sync
2185
2186Immediately write the database to disk I<if it is dirty>.
2187
2188=cut
2189
2190our $DB;
2191
2192{
2193 my $path = cf::localdir . "/database.pst";
2194
2195 sub db_load() {
2196 $DB = stat $path ? Storable::retrieve $path : { };
2197 } 3222 };
3223 cf::cede_to_tick;
2198 3224
2199 my $pid;
2200
2201 sub db_save() {
2202 waitpid $pid, 0 if $pid;
2203 if (0 == ($pid = fork)) {
2204 $DB->{_meta}{version} = 1;
2205 Storable::nstore $DB, "$path~";
2206 rename "$path~", $path;
2207 cf::_exit 0 if defined $pid;
2208 }
2209 } 3225 {
3226 my $faces = $facedata->{faceinfo};
2210 3227
2211 my $dirty; 3228 while (my ($face, $info) = each %$faces) {
3229 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212 3230
2213 sub db_sync() { 3231 cf::face::set_visibility $idx, $info->{visibility};
2214 db_save if $dirty; 3232 cf::face::set_magicmap $idx, $info->{magicmap};
2215 undef $dirty; 3233 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2216 } 3234 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2217 3235
2218 my $idle = Event->idle ( 3236 cf::cede_to_tick;
2219 reentrant => 0,
2220 min => 10,
2221 max => 20,
2222 repeat => 0,
2223 data => WF_AUTOCANCEL,
2224 cb => \&db_sync,
2225 );
2226
2227 sub db_dirty() {
2228 $dirty = 1;
2229 $idle->start;
2230 }
2231
2232 sub db_get($;$) {
2233 @_ >= 2
2234 ? $DB->{$_[0]}{$_[1]}
2235 : ($DB->{$_[0]} ||= { })
2236 }
2237
2238 sub db_put($$;$) {
2239 if (@_ >= 3) {
2240 $DB->{$_[0]}{$_[1]} = $_[2];
2241 } else {
2242 $DB->{$_[0]} = $_[1];
2243 }
2244 db_dirty;
2245 }
2246
2247 cf::global->attach (
2248 prio => 10000,
2249 on_cleanup => sub {
2250 db_sync;
2251 }, 3237 }
2252 );
2253}
2254 3238
2255############################################################################# 3239 while (my ($face, $info) = each %$faces) {
2256# the server's main() 3240 next unless $info->{smooth};
2257 3241
2258sub cfg_load { 3242 my $idx = cf::face::find $face
3243 or next;
3244
3245 if (my $smooth = cf::face::find $info->{smooth}) {
3246 cf::face::set_smooth $idx, $smooth;
3247 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3248 } else {
3249 warn "smooth face '$info->{smooth}' not found for face '$face'";
3250 }
3251
3252 cf::cede_to_tick;
3253 }
3254 }
3255
3256 {
3257 my $anims = $facedata->{animinfo};
3258
3259 while (my ($anim, $info) = each %$anims) {
3260 cf::anim::set $anim, $info->{frames}, $info->{facings};
3261 cf::cede_to_tick;
3262 }
3263
3264 cf::anim::invalidate_all; # d'oh
3265 }
3266
3267 {
3268 # TODO: for gcfclient pleasure, we should give resources
3269 # that gcfclient doesn't grok a >10000 face index.
3270 my $res = $facedata->{resource};
3271
3272 while (my ($name, $info) = each %$res) {
3273 if (defined $info->{type}) {
3274 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3275 my $data;
3276
3277 if ($info->{type} & 1) {
3278 # prepend meta info
3279
3280 my $meta = $enc->encode ({
3281 name => $name,
3282 %{ $info->{meta} || {} },
3283 });
3284
3285 $data = pack "(w/a*)*", $meta, $info->{data};
3286 } else {
3287 $data = $info->{data};
3288 }
3289
3290 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3291 cf::face::set_type $idx, $info->{type};
3292 } else {
3293 $RESOURCE{$name} = $info;
3294 }
3295
3296 cf::cede_to_tick;
3297 }
3298 }
3299
3300 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3301
3302 1
3303}
3304
3305cf::global->attach (on_resource_update => sub {
3306 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3307 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3308
3309 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3310 my $sound = $soundconf->{compat}[$_]
3311 or next;
3312
3313 my $face = cf::face::find "sound/$sound->[1]";
3314 cf::sound::set $sound->[0] => $face;
3315 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3316 }
3317
3318 while (my ($k, $v) = each %{$soundconf->{event}}) {
3319 my $face = cf::face::find "sound/$v";
3320 cf::sound::set $k => $face;
3321 }
3322 }
3323});
3324
3325register_exticmd fx_want => sub {
3326 my ($ns, $want) = @_;
3327
3328 while (my ($k, $v) = each %$want) {
3329 $ns->fx_want ($k, $v);
3330 }
3331};
3332
3333sub load_resource_file($) {
3334 my $guard = lock_acquire "load_resource_file";
3335
3336 my $status = load_resource_file_ $_[0];
3337 get_slot 0.1, 100;
3338 cf::arch::commit_load;
3339
3340 $status
3341}
3342
3343sub reload_regions {
3344 # HACK to clear player env face cache, we need some signal framework
3345 # for this (global event?)
3346 %ext::player_env::MUSIC_FACE_CACHE = ();
3347
3348 load_resource_file "$MAPDIR/regions"
3349 or die "unable to load regions file\n";
3350
3351 for (cf::region::list) {
3352 $_->{match} = qr/$_->{match}/
3353 if exists $_->{match};
3354 }
3355}
3356
3357sub reload_facedata {
3358 load_facedata "$DATADIR/facedata"
3359 or die "unable to load facedata\n";
3360}
3361
3362sub reload_archetypes {
3363 load_resource_file "$DATADIR/archetypes"
3364 or die "unable to load archetypes\n";
3365}
3366
3367sub reload_treasures {
3368 load_resource_file "$DATADIR/treasures"
3369 or die "unable to load treasurelists\n";
3370}
3371
3372sub reload_resources {
3373 warn "reloading resource files...\n";
3374
3375 reload_facedata;
3376 reload_archetypes;
3377 reload_regions;
3378 reload_treasures;
3379
3380 warn "finished reloading resource files\n";
3381}
3382
3383sub reload_config {
2259 open my $fh, "<:utf8", cf::confdir . "/config" 3384 open my $fh, "<:utf8", "$CONFDIR/config"
2260 or return; 3385 or return;
2261 3386
2262 local $/; 3387 local $/;
2263 *CFG = YAML::Syck::Load <$fh>; 3388 *CFG = YAML::Load <$fh>;
2264 3389
2265 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3390 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2266 3391
2267 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3392 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3393 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2274 }; 3399 };
2275 warn $@ if $@; 3400 warn $@ if $@;
2276 } 3401 }
2277} 3402}
2278 3403
3404sub pidfile() {
3405 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3406 or die "$PIDFILE: $!";
3407 flock $fh, &Fcntl::LOCK_EX
3408 or die "$PIDFILE: flock: $!";
3409 $fh
3410}
3411
3412# make sure only one server instance is running at any one time
3413sub atomic {
3414 my $fh = pidfile;
3415
3416 my $pid = <$fh>;
3417 kill 9, $pid if $pid > 0;
3418
3419 seek $fh, 0, 0;
3420 print $fh $$;
3421}
3422
2279sub main { 3423sub main {
3424 cf::init_globals; # initialise logging
3425
3426 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3427 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3428 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3429 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3430
3431 cf::init_experience;
3432 cf::init_anim;
3433 cf::init_attackmess;
3434 cf::init_dynamic;
3435 cf::init_block;
3436
3437 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3438
2280 # we must not ever block the main coroutine 3439 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3440 local $Coro::idle = sub {
2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3441 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async { 3442 (async {
2284 Event::one_event; 3443 $Coro::current->{desc} = "IDLE BUG HANDLER";
3444 EV::loop EV::LOOP_ONESHOT;
2285 })->prio (Coro::PRIO_MAX); 3445 })->prio (Coro::PRIO_MAX);
2286 }; 3446 };
2287 3447
2288 cfg_load; 3448 evthread_start IO::AIO::poll_fileno;
2289 db_load; 3449
3450 cf::sync_job {
3451 reload_resources;
3452 reload_config;
3453 db_init;
3454
3455 cf::load_settings;
3456 cf::load_materials;
3457 cf::init_uuid;
3458 cf::init_signals;
3459 cf::init_commands;
3460 cf::init_skills;
3461
3462 cf::init_beforeplay;
3463
3464 atomic;
3465
2290 load_extensions; 3466 load_extensions;
2291 3467
2292 $TICK_WATCHER->start; 3468 utime time, time, $RUNTIMEFILE;
3469
3470 # no (long-running) fork's whatsoever before this point(!)
3471 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3472
3473 (pop @POST_INIT)->(0) while @POST_INIT;
3474 };
3475
2293 Event::loop; 3476 EV::loop;
2294} 3477}
2295 3478
2296############################################################################# 3479#############################################################################
2297# initialisation and cleanup 3480# initialisation and cleanup
2298 3481
2299# install some emergency cleanup handlers 3482# install some emergency cleanup handlers
2300BEGIN { 3483BEGIN {
3484 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3485 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3486 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3487 cf::cleanup "SIG$signal";
2309 },
2310 ); 3488 };
3489 }
3490}
3491
3492sub write_runtime_sync {
3493 # first touch the runtime file to show we are still running:
3494 # the fsync below can take a very very long time.
3495
3496 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3497
3498 my $guard = cf::lock_acquire "write_runtime";
3499
3500 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3501 or return;
3502
3503 my $value = $cf::RUNTIME + 90 + 10;
3504 # 10 is the runtime save interval, for a monotonic clock
3505 # 60 allows for the watchdog to kill the server.
3506
3507 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3508 and return;
3509
3510 # always fsync - this file is important
3511 aio_fsync $fh
3512 and return;
3513
3514 # touch it again to show we are up-to-date
3515 aio_utime $fh, undef, undef;
3516
3517 close $fh
3518 or return;
3519
3520 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3521 and return;
3522
3523 warn "runtime file written.\n";
3524
2311 } 3525 1
3526}
3527
3528our $uuid_lock;
3529our $uuid_skip;
3530
3531sub write_uuid_sync($) {
3532 $uuid_skip ||= $_[0];
3533
3534 return if $uuid_lock;
3535 local $uuid_lock = 1;
3536
3537 my $uuid = "$LOCALDIR/uuid";
3538
3539 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3540 or return;
3541
3542 my $value = uuid_seq uuid_cur;
3543
3544 unless ($value) {
3545 warn "cowardly refusing to write zero uuid value!\n";
3546 return;
3547 }
3548
3549 my $value = uuid_str $value + $uuid_skip;
3550 $uuid_skip = 0;
3551
3552 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3553 and return;
3554
3555 # always fsync - this file is important
3556 aio_fsync $fh
3557 and return;
3558
3559 close $fh
3560 or return;
3561
3562 aio_rename "$uuid~", $uuid
3563 and return;
3564
3565 warn "uuid file written ($value).\n";
3566
3567 1
3568
3569}
3570
3571sub write_uuid($$) {
3572 my ($skip, $sync) = @_;
3573
3574 $sync ? write_uuid_sync $skip
3575 : async { write_uuid_sync $skip };
2312} 3576}
2313 3577
2314sub emergency_save() { 3578sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3579 my $freeze_guard = cf::freeze_mainloop;
2316 3580
2317 warn "enter emergency perl save\n"; 3581 warn "emergency_perl_save: enter\n";
2318 3582
2319 cf::sync_job { 3583 cf::sync_job {
3584 # this is a trade-off: we want to be very quick here, so
3585 # save all maps without fsync, and later call a global sync
3586 # (which in turn might be very very slow)
3587 local $USE_FSYNC = 0;
3588
2320 # use a peculiar iteration method to avoid tripping on perl 3589 # use a peculiar iteration method to avoid tripping on perl
2321 # refcount bugs in for. also avoids problems with players 3590 # refcount bugs in for. also avoids problems with players
2322 # and maps saved/destroyed asynchronously. 3591 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3592 warn "emergency_perl_save: begin player save\n";
2324 for my $login (keys %cf::PLAYER) { 3593 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3594 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3595 $pl->valid or next;
3596 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3597 $pl->save;
2328 } 3598 }
2329 warn "end emergency player save\n"; 3599 warn "emergency_perl_save: end player save\n";
2330 3600
2331 warn "begin emergency map save\n"; 3601 warn "emergency_perl_save: begin map save\n";
2332 for my $path (keys %cf::MAP) { 3602 for my $path (keys %cf::MAP) {
2333 my $map = $cf::MAP{$path} or next; 3603 my $map = $cf::MAP{$path} or next;
2334 $map->valid or next; 3604 $map->valid or next;
2335 $map->save; 3605 $map->save;
2336 } 3606 }
2337 warn "end emergency map save\n"; 3607 warn "emergency_perl_save: end map save\n";
3608
3609 warn "emergency_perl_save: begin database checkpoint\n";
3610 BDB::db_env_txn_checkpoint $DB_ENV;
3611 warn "emergency_perl_save: end database checkpoint\n";
3612
3613 warn "emergency_perl_save: begin write uuid\n";
3614 write_uuid_sync 1;
3615 warn "emergency_perl_save: end write uuid\n";
2338 }; 3616 };
2339 3617
3618 warn "emergency_perl_save: starting sync()\n";
3619 IO::AIO::aio_sync sub {
3620 warn "emergency_perl_save: finished sync()\n";
3621 };
3622
2340 warn "leave emergency perl save\n"; 3623 warn "emergency_perl_save: leave\n";
2341} 3624}
2342 3625
3626sub post_cleanup {
3627 my ($make_core) = @_;
3628
3629 warn Carp::longmess "post_cleanup backtrace"
3630 if $make_core;
3631
3632 my $fh = pidfile;
3633 unlink $PIDFILE if <$fh> == $$;
3634}
3635
3636# a safer delete_package, copied from Symbol
3637sub clear_package($) {
3638 my $pkg = shift;
3639
3640 # expand to full symbol table name if needed
3641 unless ($pkg =~ /^main::.*::$/) {
3642 $pkg = "main$pkg" if $pkg =~ /^::/;
3643 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3644 $pkg .= '::' unless $pkg =~ /::$/;
3645 }
3646
3647 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3648 my $stem_symtab = *{$stem}{HASH};
3649
3650 defined $stem_symtab and exists $stem_symtab->{$leaf}
3651 or return;
3652
3653 # clear all symbols
3654 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3655 for my $name (keys %$leaf_symtab) {
3656 _gv_clear *{"$pkg$name"};
3657# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3658 }
3659 warn "cleared package $pkg\n";#d#
3660}
3661
2343sub reload() { 3662sub do_reload_perl() {
2344 # can/must only be called in main 3663 # can/must only be called in main
2345 if ($Coro::current != $Coro::main) { 3664 if ($Coro::current != $Coro::main) {
2346 warn "can only reload from main coroutine"; 3665 warn "can only reload from main coroutine";
2347 return; 3666 return;
2348 } 3667 }
2349 3668
3669 return if $RELOAD++;
3670
3671 my $t1 = EV::time;
3672
3673 while ($RELOAD) {
2350 warn "reloading..."; 3674 warn "reloading...";
2351 3675
2352 warn "cancelling server ticker"; 3676 warn "entering sync_job";
2353 $TICK_WATCHER->cancel;
2354 3677
3678 cf::sync_job {
3679 cf::write_runtime_sync; # external watchdog should not bark
2355 cf::emergency_save; 3680 cf::emergency_save;
3681 cf::write_runtime_sync; # external watchdog should not bark
2356 3682
2357 eval { 3683 warn "syncing database to disk";
3684 BDB::db_env_txn_checkpoint $DB_ENV;
3685
2358 # if anything goes wrong in here, we should simply crash as we already saved 3686 # if anything goes wrong in here, we should simply crash as we already saved
2359 3687
2360 warn "syncing database to disk";
2361 cf::db_sync;
2362
2363 warn "cancelling all WF_AUTOCANCEL watchers";
2364 for (Event::all_watchers) {
2365 $_->cancel if $_->data & WF_AUTOCANCEL;
2366 }
2367
2368 warn "flushing outstanding aio requests"; 3688 warn "flushing outstanding aio requests";
2369 for (;;) { 3689 while (IO::AIO::nreqs || BDB::nreqs) {
2370 IO::AIO::flush; 3690 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2371 Coro::cede;
2372 last unless IO::AIO::nreqs;
2373 warn "iterate...";
2374 }
2375
2376 warn "cancelling all extension coros";
2377 $_->cancel for values %EXT_CORO;
2378 %EXT_CORO = ();
2379
2380 warn "removing commands";
2381 %COMMAND = ();
2382
2383 warn "removing ext commands";
2384 %EXTCMD = ();
2385
2386 warn "unloading/nuking all extensions";
2387 for my $pkg (@EXTS) {
2388 warn "... unloading $pkg";
2389
2390 if (my $cb = $pkg->can ("unload")) {
2391 eval {
2392 $cb->($pkg);
2393 1
2394 } or warn "$pkg unloaded, but with errors: $@";
2395 } 3691 }
2396 3692
2397 warn "... nuking $pkg"; 3693 warn "cancelling all extension coros";
2398 Symbol::delete_package $pkg; 3694 $_->cancel for values %EXT_CORO;
2399 } 3695 %EXT_CORO = ();
2400 3696
2401 warn "unloading all perl modules loaded from $LIBDIR"; 3697 warn "removing commands";
2402 while (my ($k, $v) = each %INC) { 3698 %COMMAND = ();
2403 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2404 3699
3700 warn "removing ext/exti commands";
3701 %EXTCMD = ();
3702 %EXTICMD = ();
3703
3704 warn "unloading/nuking all extensions";
3705 for my $pkg (@EXTS) {
2405 warn "... unloading $k"; 3706 warn "... unloading $pkg";
2406 delete $INC{$k};
2407 3707
2408 $k =~ s/\.pm$//;
2409 $k =~ s/\//::/g;
2410
2411 if (my $cb = $k->can ("unload_module")) { 3708 if (my $cb = $pkg->can ("unload")) {
3709 eval {
2412 $cb->(); 3710 $cb->($pkg);
3711 1
3712 } or warn "$pkg unloaded, but with errors: $@";
3713 }
3714
3715 warn "... clearing $pkg";
3716 clear_package $pkg;
2413 } 3717 }
2414 3718
2415 Symbol::delete_package $k; 3719 warn "unloading all perl modules loaded from $LIBDIR";
3720 while (my ($k, $v) = each %INC) {
3721 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3722
3723 warn "... unloading $k";
3724 delete $INC{$k};
3725
3726 $k =~ s/\.pm$//;
3727 $k =~ s/\//::/g;
3728
3729 if (my $cb = $k->can ("unload_module")) {
3730 $cb->();
3731 }
3732
3733 clear_package $k;
2416 } 3734 }
2417 3735
2418 warn "getting rid of safe::, as good as possible"; 3736 warn "getting rid of safe::, as good as possible";
2419 Symbol::delete_package "safe::$_" 3737 clear_package "safe::$_"
2420 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3738 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421 3739
2422 warn "unloading cf.pm \"a bit\""; 3740 warn "unloading cf.pm \"a bit\"";
2423 delete $INC{"cf.pm"}; 3741 delete $INC{"cf.pm"};
3742 delete $INC{"cf/pod.pm"};
2424 3743
2425 # don't, removes xs symbols, too, 3744 # don't, removes xs symbols, too,
2426 # and global variables created in xs 3745 # and global variables created in xs
2427 #Symbol::delete_package __PACKAGE__; 3746 #clear_package __PACKAGE__;
2428 3747
2429 warn "unload completed, starting to reload now"; 3748 warn "unload completed, starting to reload now";
2430 3749
2431 warn "reloading cf.pm"; 3750 warn "reloading cf.pm";
2432 require cf; 3751 require cf;
2433 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434 3753
2435 warn "loading config and database again"; 3754 warn "loading config and database again";
2436 cf::cfg_load; 3755 cf::reload_config;
2437 cf::db_load;
2438 3756
2439 warn "loading extensions"; 3757 warn "loading extensions";
2440 cf::load_extensions; 3758 cf::load_extensions;
2441 3759
3760 if ($REATTACH_ON_RELOAD) {
2442 warn "reattaching attachments to objects/players"; 3761 warn "reattaching attachments to objects/players";
2443 _global_reattach; 3762 _global_reattach; # objects, sockets
2444 warn "reattaching attachments to maps"; 3763 warn "reattaching attachments to maps";
2445 reattach $_ for values %MAP; 3764 reattach $_ for values %MAP;
3765 warn "reattaching attachments to players";
3766 reattach $_ for values %PLAYER;
3767 }
2446 3768
2447 warn "restarting server ticker"; 3769 warn "running post_init jobs";
3770 (pop @POST_INIT)->(1) while @POST_INIT;
2448 3771
2449 $TICK_WATCHER->start; 3772 warn "leaving sync_job";
3773
3774 1
3775 } or do {
3776 warn $@;
3777 cf::cleanup "error while reloading, exiting.";
3778 };
3779
3780 warn "reloaded";
3781 --$RELOAD;
3782 }
3783
3784 $t1 = EV::time - $t1;
3785 warn "reload completed in ${t1}s\n";
3786};
3787
3788our $RELOAD_WATCHER; # used only during reload
3789
3790sub reload_perl() {
3791 # doing reload synchronously and two reloads happen back-to-back,
3792 # coro crashes during coro_state_free->destroy here.
3793
3794 $RELOAD_WATCHER ||= cf::async {
3795 Coro::AIO::aio_wait cache_extensions;
3796
3797 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3798 do_reload_perl;
3799 undef $RELOAD_WATCHER;
3800 };
2450 }; 3801 };
2451 3802}
2452 if ($@) {
2453 warn $@;
2454 warn "error while reloading, exiting.";
2455 exit 1;
2456 }
2457
2458 warn "reloaded";
2459};
2460
2461our $RELOAD_WATCHER; # used only during reload
2462 3803
2463register_command "reload" => sub { 3804register_command "reload" => sub {
2464 my ($who, $arg) = @_; 3805 my ($who, $arg) = @_;
2465 3806
2466 if ($who->flag (FLAG_WIZ)) { 3807 if ($who->flag (FLAG_WIZ)) {
2467 $who->message ("reloading server."); 3808 $who->message ("reloading server.");
2468 3809 async {
2469 # doing reload synchronously and two reloads happen back-to-back, 3810 $Coro::current->{desc} = "perl_reload";
2470 # coro crashes during coro_state_free->destroy here.
2471
2472 $RELOAD_WATCHER ||= Event->timer (
2473 reentrant => 0,
2474 after => 0,
2475 data => WF_AUTOCANCEL,
2476 cb => sub {
2477 reload; 3811 reload_perl;
2478 undef $RELOAD_WATCHER;
2479 },
2480 ); 3812 };
2481 } 3813 }
2482}; 3814};
2483 3815
2484unshift @INC, $LIBDIR; 3816unshift @INC, $LIBDIR;
2485 3817
2486my $bug_warning = 0; 3818my $bug_warning = 0;
2487 3819
2488$TICK_WATCHER = Event->timer ( 3820our @WAIT_FOR_TICK;
2489 reentrant => 0, 3821our @WAIT_FOR_TICK_BEGIN;
2490 parked => 1, 3822
2491 prio => 0, 3823sub wait_for_tick {
2492 at => $NEXT_TICK || $TICK, 3824 return if tick_inhibit || $Coro::current == $Coro::main;
2493 data => WF_AUTOCANCEL, 3825
2494 cb => sub { 3826 my $signal = new Coro::Signal;
3827 push @WAIT_FOR_TICK, $signal;
3828 $signal->wait;
3829}
3830
3831sub wait_for_tick_begin {
3832 return if tick_inhibit || $Coro::current == $Coro::main;
3833
3834 my $signal = new Coro::Signal;
3835 push @WAIT_FOR_TICK_BEGIN, $signal;
3836 $signal->wait;
3837}
3838
3839sub tick {
2495 if ($Coro::current != $Coro::main) { 3840 if ($Coro::current != $Coro::main) {
2496 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3841 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497 unless ++$bug_warning > 10; 3842 unless ++$bug_warning > 10;
2498 return; 3843 return;
2499 } 3844 }
2500 3845
2501 $NOW = Event::time;
2502
2503 cf::server_tick; # one server iteration 3846 cf::server_tick; # one server iteration
2504 $RUNTIME += $TICK;
2505 $NEXT_TICK += $TICK;
2506 3847
2507 $WAIT_FOR_TICK->broadcast; 3848 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3849 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2509 3850 Coro::async_pool {
2510 Event::sweep; 3851 $Coro::current->{desc} = "runtime saver";
2511 Coro::cede_notself;
2512
2513# my $AFTER = Event::time;
2514# warn $AFTER - $NOW;#d#
2515
2516 # if we are delayed by four ticks or more, skip them all
2517 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519 $TICK_WATCHER->at ($NEXT_TICK);
2520 $TICK_WATCHER->start;
2521 },
2522);
2523
2524IO::AIO::max_poll_time $TICK * 0.1;
2525
2526undef $Coro::AIO::WATCHER;
2527$AIO_POLL_WATCHER = Event->io (
2528 reentrant => 0,
2529 fd => IO::AIO::poll_fileno,
2530 poll => 'r',
2531 prio => 6,
2532 data => WF_AUTOCANCEL,
2533 cb => \&IO::AIO::poll_cb,
2534);
2535
2536$WRITE_RUNTIME_WATCHER = Event->timer (
2537 reentrant => 0,
2538 data => WF_AUTOCANCEL,
2539 after => 1,
2540 interval => 10,
2541 prio => 6, # keep it lowest so it acts like a watchdog
2542 cb => Coro::unblock_sub {
2543 write_runtime 3852 write_runtime_sync
2544 or warn "ERROR: unable to write runtime file: $!"; 3853 or warn "ERROR: unable to write runtime file: $!";
3854 };
2545 }, 3855 }
2546); 3856
3857 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3858 $sig->send;
3859 }
3860 while (my $sig = shift @WAIT_FOR_TICK) {
3861 $sig->send;
3862 }
3863
3864 $LOAD = ($NOW - $TICK_START) / $TICK;
3865 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3866
3867 if (0) {
3868 if ($NEXT_TICK) {
3869 my $jitter = $TICK_START - $NEXT_TICK;
3870 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3871 warn "jitter $JITTER\n";#d#
3872 }
3873 }
3874}
3875
3876{
3877 # configure BDB
3878
3879 BDB::min_parallel 8;
3880 BDB::max_poll_reqs $TICK * 0.1;
3881 $AnyEvent::BDB::WATCHER->priority (1);
3882
3883 unless ($DB_ENV) {
3884 $DB_ENV = BDB::db_env_create;
3885 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3886 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3887 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3888 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3889 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3890
3891 cf::sync_job {
3892 eval {
3893 BDB::db_env_open
3894 $DB_ENV,
3895 $BDBDIR,
3896 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3897 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3898 0666;
3899
3900 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3901 };
3902
3903 cf::cleanup "db_env_open(db): $@" if $@;
3904 };
3905 }
3906
3907 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3908 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3909 };
3910 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3911 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3912 };
3913 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3914 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3915 };
3916}
3917
3918{
3919 # configure IO::AIO
3920
3921 IO::AIO::min_parallel 8;
3922 IO::AIO::max_poll_time $TICK * 0.1;
3923 undef $AnyEvent::AIO::WATCHER;
3924}
3925
3926my $_log_backtrace;
3927
3928sub _log_backtrace {
3929 my ($msg, @addr) = @_;
3930
3931 $msg =~ s/\n//;
3932
3933 # limit the # of concurrent backtraces
3934 if ($_log_backtrace < 2) {
3935 ++$_log_backtrace;
3936 my $perl_bt = Carp::longmess $msg;
3937 async {
3938 $Coro::current->{desc} = "abt $msg";
3939
3940 my @bt = fork_call {
3941 @addr = map { sprintf "%x", $_ } @addr;
3942 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3943 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3944 or die "addr2line: $!";
3945
3946 my @funcs;
3947 my @res = <$fh>;
3948 chomp for @res;
3949 while (@res) {
3950 my ($func, $line) = splice @res, 0, 2, ();
3951 push @funcs, "[$func] $line";
3952 }
3953
3954 @funcs
3955 };
3956
3957 LOG llevInfo, "[ABT] $perl_bt\n";
3958 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3959 LOG llevInfo, "[ABT] $_\n" for @bt;
3960 --$_log_backtrace;
3961 };
3962 } else {
3963 LOG llevInfo, "[ABT] $msg\n";
3964 LOG llevInfo, "[ABT] [suppressed]\n";
3965 }
3966}
3967
3968# load additional modules
3969use cf::pod;
2547 3970
2548END { cf::emergency_save } 3971END { cf::emergency_save }
2549 3972
25501 39731
2551 3974

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