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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::AnyEvent;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
18use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
46use Coro::Storable;
47use Coro::Util ();
19 48
49use JSON::XS 2.01 ();
20use BDB (); 50use BDB ();
21use Data::Dumper; 51use Data::Dumper;
22use Digest::MD5; 52use Digest::MD5;
23use Fcntl; 53use Fcntl;
54use YAML ();
24use IO::AIO 2.32 (); 55use IO::AIO ();
25use YAML::Syck ();
26use Time::HiRes; 56use Time::HiRes;
27use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
28 59
60AnyEvent::detect;
61
62IO::AIO::max_poll_reqs 1;#d#
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 69
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 71
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 73
40our %COMMAND = (); 74our %COMMAND = ();
41our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
42 76
43our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
47 82
83our $RELOAD; # number of reloads so far
48our @EVENT; 84our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 85
51our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
52our $TICK_WATCHER; 87our $DATADIR = datadir;
53our $AIO_POLL_WATCHER; 88our $LIBDIR = "$DATADIR/ext";
54our $WRITE_RUNTIME_WATCHER; 89our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
98
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 101our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
58 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 107our $DB_ENV;
61 108
62our %CFG; 109our %CFG;
63 110
64our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 112our $RUNTIME;
113our $NOW;
66 114
67our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 118
76# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
126
79binmode STDOUT; 127binmode STDOUT;
80binmode STDERR; 128binmode STDERR;
81 129
82# read virtual server time, if available 130# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
87} 135}
88 136
89mkdir cf::localdir; 137mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 139
96our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
97 141
98sub cf::map::normalise; 142sub cf::map::normalise;
99 143
110=item $cf::RUNTIME 154=item $cf::RUNTIME
111 155
112The time this server has run, starts at 0 and is increased by $cf::TICK on 156The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 157every server tick.
114 158
115=item $cf::LIBDIR 159=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 162
117The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 164directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165unique-items directory, player file directory, random maps directory and
166database environment.
119 167
120=item $cf::NOW 168=item $cf::NOW
121 169
122The time of the last (current) server tick. 170The time of the last (current) server tick.
123 171
124=item $cf::TICK 172=item $cf::TICK
125 173
126The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
127 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
128=item %cf::CFG 186=item %cf::CFG
129 187
130Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 189from wherever your confdir points to.
132 190
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
134 192
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 194returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
139 202
140=back 203=back
141 204
142=cut 205=cut
143 206
144BEGIN { 207BEGIN {
145 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 209 my $msg = join "", @_;
147 utf8::encode $msg;
148 210
149 $msg .= "\n" 211 $msg .= "\n"
150 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
151 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
152 LOG llevError, $msg; 216 LOG llevError, $msg;
153 }; 217 };
154} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
155 234
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 242
163# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 244# within the Safe compartment.
165for my $pkg (qw( 245for my $pkg (qw(
166 cf::global cf::attachable 246 cf::global cf::attachable
171)) { 251)) {
172 no strict 'refs'; 252 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 254}
175 255
176$Event::DIED = sub { 256$EV::DIED = sub {
177 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
178}; 258};
259
260#############################################################################
179 261
180=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
181 263
182=over 4 264=over 4
183 265
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 285 $d
204 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
205} 287}
206 288
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
210 290
211Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
212 292
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
221 294
222Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
223 296
224=cut 297=cut
225 298
226sub to_json($) { 299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 300
228 JSON::Syck::Dump $_[0] 301sub encode_json($) { $json_coder->encode ($_[0]) }
229} 302sub decode_json($) { $json_coder->decode ($_[0]) }
230 303
231=item cf::lock_wait $string 304=item cf::lock_wait $string
232 305
233Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
234 307
237Wait until the given lock is available and then acquires it and returns 310Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
240returned. 313returned.
241 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
242Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
244 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
245=cut 325=cut
246 326
247our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
248 329
249sub lock_wait($) { 330sub lock_wait($) {
250 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
251 337
252 # wait for lock, if any 338 # wait for lock, if any
253 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 341 Coro::schedule;
261 347
262 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
263 lock_wait $key; 349 lock_wait $key;
264 350
265 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
266 353
267 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
270 } 358 }
271} 359}
272 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
273sub freeze_mainloop { 367sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
275 369
276 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
277 $TICK_WATCHER->start; 371}
278 $WRITE_RUNTIME_WATCHER->start; 372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
279 }; 431 }
280 $WRITE_RUNTIME_WATCHER->stop; 432};
281 $TICK_WATCHER->stop; 433
282 $guard 434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
283} 446}
284 447
285=item cf::async { BLOCK } 448=item cf::async { BLOCK }
286 449
287Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
292 455
293BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
294 457
295=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
296 459
297The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
300 464
301If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
304fast or be very important. 468fast or be very important.
307 471
308sub sync_job(&) { 472sub sync_job(&) {
309 my ($job) = @_; 473 my ($job) = @_;
310 474
311 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
312 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
314 480
315 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
316 # (but this is cancel-safe) 482
317 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
318 484
319 my $busy = 1; 485 my $busy = 1;
320 my @res; 486 my @res;
321 487
322 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 490 @res = eval { $job->() };
324 warn $@ if $@; 491 warn $@ if $@;
325 undef $busy; 492 undef $busy;
326 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
327 494
328 while ($busy) { 495 while ($busy) {
329 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
330 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
331 506
332 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
333 } else { 508 } else {
334 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
335 510
355 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
356 531
357 $coro 532 $coro
358} 533}
359 534
360sub write_runtime { 535=item fork_call { }, $args
361 my $runtime = cf::localdir . "/runtime";
362 536
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 537Executes the given code block with the given arguments in a seperate
364 or return; 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
365 541
366 my $value = $cf::RUNTIME + 90 + 10; 542=cut
367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369 543
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544sub fork_call(&@) {
371 and return; 545 my ($cb, @args) = @_;
372 546
373 # always fsync - this file is important 547 # we seemingly have to make a local copy of the whole thing,
374 aio_fsync $fh 548 # otherwise perl prematurely frees the stuff :/
375 and return; 549 # TODO: investigate and fix (likely this will be rather laborious)
376 550
377 close $fh 551 my @res = Coro::Util::fork_eval {
378 or return; 552 reset_signals;
553 &$cb
554 }, @args;
379 555
380 aio_rename "$runtime~", $runtime 556 wantarray ? @res : $res[-1]
381 and return; 557}
382 558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
383 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
711}
712
713=item cf::datalog type => key => value, ...
714
715Log a datalog packet of the given type with the given key-value pairs.
716
717=cut
718
719sub datalog($@) {
720 my ($type, %kv) = @_;
721 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 722}
385 723
386=back 724=back
387 725
388=cut 726=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
397 735
398In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
399C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 738Deliantra).
401 739
402=over 4 740=over 4
403 741
404=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
405 743
568 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
569 907
570 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 912
575 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 914 my $pkg = shift @arg;
577 915
578 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
608 } 946 }
609 947
610 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
611 } else { 949 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 951 }
614 952
615 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
616} 954}
617 955
619 if (ref $_[0]) { 957 if (ref $_[0]) {
620 _object_attach @_; 958 _object_attach @_;
621 } else { 959 } else {
622 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
623 } 961 }
962 _recalc_want;
624}; 963};
625 964
626# all those should be optimised 965# all those should be optimised
627sub cf::attachable::detach { 966sub cf::attachable::detach {
628 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
632 reattach ($obj); 971 reattach ($obj);
633 } else { 972 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
635 } 974 }
975 _recalc_want;
636}; 976};
637 977
638sub cf::attachable::attached { 978sub cf::attachable::attached {
639 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
640 980
655 "; 995 ";
656 die if $@; 996 die if $@;
657} 997}
658 998
659our $override; 999our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 1001
662sub override { 1002sub override {
663 $override = 1; 1003 $override = 1;
664 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
665} 1005}
666 1006
667sub do_invoke { 1007sub do_invoke {
668 my $event = shift; 1008 my $event = shift;
669 my $callbacks = shift; 1009 my $callbacks = shift;
670 1010
671 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
672 1012
673 local $override; 1013 local $override;
674 1014
675 for (@$callbacks) { 1015 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
685 } 1025 }
686 1026
687 0 1027 0
688} 1028}
689 1029
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1031
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1033
694Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
695 1035
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1039
700=back 1040=back
701 1041
702=cut 1042=cut
703 1043
704############################################################################# 1044#############################################################################
705# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
706 1088
707sub reattach { 1089sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1091 my ($obj) = @_;
710 1092
731cf::attachable->attach ( 1113cf::attachable->attach (
732 prio => -1000000, 1114 prio => -1000000,
733 on_instantiate => sub { 1115 on_instantiate => sub {
734 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
735 1117
736 $data = from_json $data; 1118 $data = decode_json $data;
737 1119
738 for (@$data) { 1120 for (@$data) {
739 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
740 1122
741 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
757sub object_freezer_save { 1139sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
759 1141
760 sync_job { 1142 sync_job {
761 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
764 1147
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1151 aio_fsync $fh if $cf::USE_FSYNC;
769 close $fh; 1152 aio_close $fh;
770 1153
771 if (@$objs) { 1154 if (@$objs) {
772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
776 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
777 close $fh; 1160 aio_close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
779 } 1162 }
780 } else { 1163 } else {
781 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
782 } 1165 }
787 } 1170 }
788 } else { 1171 } else {
789 aio_unlink $filename; 1172 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
791 } 1174 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 1175 };
799} 1176}
800 1177
801sub object_freezer_as_string { 1178sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
803 1180
808 1185
809sub object_thawer_load { 1186sub object_thawer_load {
810 my ($filename) = @_; 1187 my ($filename) = @_;
811 1188
812 my ($data, $av); 1189 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 1190
817 (aio_load $filename, $data) >= 0 1191 (aio_load $filename, $data) >= 0
818 or return; 1192 or return;
819 1193
820 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
821 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
822 or return; 1196 or return;
1197
823 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
824 } 1200 }
825 1201
1202 utf8::decode (my $decname = $filename);
826 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
827 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
828 return ($data, $av); 1206 ($data, $av)
829} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
830 1214
831############################################################################# 1215#############################################################################
832# command handling &c 1216# command handling &c
833 1217
834=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
847 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
848} 1232}
849 1233
850=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
851 1235
852Register a callbackf ro execution when the client sends an extcmd packet. 1236Register a callback for execution when the client sends an (synchronous)
1237extcmd packet. Ext commands will be processed in the order they are
1238received by the server, like other user commands. The first argument is
1239the logged-in player. Ext commands can only be processed after a player
1240has logged in successfully.
853 1241
854If the callback returns something, it is sent back as if reply was being 1242If the callback returns something, it is sent back as if reply was being
855called. 1243called.
856 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
857=cut 1256=cut
858 1257
859sub register_extcmd { 1258sub register_extcmd {
860 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
861 1260
862 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
863} 1268}
864 1269
865cf::player->attach ( 1270cf::player->attach (
866 on_command => sub { 1271 on_command => sub {
867 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
876 cf::override; 1281 cf::override;
877 }, 1282 },
878 on_extcmd => sub { 1283 on_extcmd => sub {
879 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
880 1285
881 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882 1287
883 if (ref $msg) { 1288 if (ref $msg) {
1289 my ($type, $reply, @payload) =
1290 "ARRAY" eq ref $msg
1291 ? @$msg
1292 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293
1294 my @reply;
1295
884 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
885 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
886 $pl->ext_reply ($msg->{msgid}, %reply);
887 }
888 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
889 } else { 1303 } else {
890 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891 } 1305 }
892 1306
893 cf::override; 1307 cf::override;
894 }, 1308 },
895); 1309);
896 1310
897sub load_extension {
898 my ($path) = @_;
899
900 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
901 my $base = $1;
902 my $pkg = $1;
903 $pkg =~ s/[^[:word:]]/_/g;
904 $pkg = "ext::$pkg";
905
906 warn "... loading '$path' into '$pkg'\n";
907
908 open my $fh, "<:utf8", $path
909 or die "$path: $!";
910
911 my $source =
912 "package $pkg; use strict; use utf8;\n"
913 . "#line 1 \"$path\"\n{\n"
914 . (do { local $/; <$fh> })
915 . "\n};\n1";
916
917 unless (eval $source) {
918 my $msg = $@ ? "$path: $@\n"
919 : "extension disabled.\n";
920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921 warn $@;
922 warn "mandatory extension failed to load, exiting.\n";
923 exit 1;
924 }
925 die $@;
926 }
927
928 push @EXTS, $pkg;
929}
930
931sub load_extensions { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
932 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
933 next unless -r $ext; 1316 next unless -r $path;
934 eval { 1317
935 load_extension $ext; 1318 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1319 my $base = $1;
1320 my $pkg = $1;
1321 $pkg =~ s/[^[:word:]]/_/g;
1322 $pkg = "ext::$pkg";
1323
1324 open my $fh, "<:utf8", $path
1325 or die "$path: $!";
1326
1327 my $source = do { local $/; <$fh> };
1328
1329 my %ext = (
1330 path => $path,
1331 base => $base,
1332 pkg => $pkg,
1333 );
1334
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337
1338 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n"
1341 . $source
1342 . "\n};\n1";
1343
1344 $todo{$base} = \%ext;
1345 }
1346
1347 my %done;
1348 while (%todo) {
1349 my $progress;
1350
1351 while (my ($k, $v) = each %todo) {
1352 for (split /,\s*/, $v->{meta}{depends}) {
1353 goto skip
1354 unless exists $done{$_};
1355 }
1356
1357 warn "... loading '$k' into '$v->{pkg}'\n";
1358
1359 unless (eval $v->{source}) {
1360 my $msg = $@ ? "$v->{path}: $@\n"
1361 : "$v->{base}: extension inactive.\n";
1362
1363 if (exists $v->{meta}{mandatory}) {
1364 warn $msg;
1365 cf::cleanup "mandatory extension failed to load, exiting.";
1366 }
1367
1368 warn $msg;
1369 }
1370
1371 $done{$k} = delete $todo{$k};
1372 push @EXTS, $v->{pkg};
1373 $progress = 1;
936 1 1374 }
937 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
938 } 1380 };
939} 1381}
940 1382
941############################################################################# 1383#############################################################################
942 1384
1385=back
1386
943=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
944 1388
945Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
946 1390
947=cut 1391=cut
952 1396
953=head3 cf::player 1397=head3 cf::player
954 1398
955=over 4 1399=over 4
956 1400
1401=item cf::player::num_playing
1402
1403Returns the official number of playing players, as per the Crossfire metaserver rules.
1404
1405=cut
1406
1407sub num_playing {
1408 scalar grep
1409 $_->ob->map
1410 && !$_->hidden
1411 && !$_->ob->flag (cf::FLAG_WIZ),
1412 cf::player::list
1413}
1414
957=item cf::player::find $login 1415=item cf::player::find $login
958 1416
959Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
960 1418
961=cut 1419=cut
962 1420
963sub playerdir($) { 1421sub playerdir($) {
964 cf::localdir 1422 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1423 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 1424}
970 1425
971sub path($) { 1426sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1427 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 1428
974 (playerdir $login) . "/$login.pl" 1429 (playerdir $login) . "/playerdata"
975} 1430}
976 1431
977sub find_active($) { 1432sub find_active($) {
978 $cf::PLAYER{$_[0]} 1433 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 1434 and $cf::PLAYER{$_[0]}->active
992 my $login = $_[0]; 1447 my $login = $_[0];
993 1448
994 my $guard = cf::lock_acquire "user_find:$login"; 1449 my $guard = cf::lock_acquire "user_find:$login";
995 1450
996 $cf::PLAYER{$_[0]} || do { 1451 $cf::PLAYER{$_[0]} || do {
997 my $pl = load_pl path $login 1452 # rename old playerfiles to new ones
1453 #TODO: remove when no longer required
1454 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1455 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1456 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1457 aio_unlink +(playerdir $login) . "/$login.pl";
1458
1459 my $f = new_from_file cf::object::thawer path $login
998 or return; 1460 or return;
1461
1462 my $pl = cf::player::load_pl $f
1463 or return;
1464
1465 local $cf::PLAYER_LOADING{$login} = $pl;
1466 $f->resolve_delayed_derefs;
999 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
1000 } 1468 }
1001 } 1469 }
1002} 1470}
1003 1471
1012 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
1013 1481
1014 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
1015 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
1016 1484
1485 cf::get_slot 0.01;
1486
1017 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
1018 Coro::cede; 1488 cf::cede_to_tick;
1019} 1489}
1020 1490
1021sub new($) { 1491sub new($) {
1022 my ($login) = @_; 1492 my ($login) = @_;
1023 1493
1029 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1030 1500
1031 $self 1501 $self
1032} 1502}
1033 1503
1504=item $player->send_msg ($channel, $msg, $color, [extra...])
1505
1506=cut
1507
1508sub send_msg {
1509 my $ns = shift->ns
1510 or return;
1511 $ns->send_msg (@_);
1512}
1513
1034=item $pl->quit_character 1514=item $pl->quit_character
1035 1515
1036Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1037be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1038 1518
1039=cut 1519=cut
1040 1520
1041sub quit_character { 1521sub quit_character {
1042 my ($pl) = @_; 1522 my ($pl) = @_;
1043 1523
1524 my $name = $pl->ob->name;
1525
1044 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1045 $pl->password ("*"); # this should lock out the player until we nuked the dir 1527 $pl->password ("*"); # this should lock out the player until we nuked the dir
1046 1528
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1049 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1050 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1051 1535
1052 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1538 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1539 delete $cf::PLAYER{$pl->ob->name};
1056 $pl->destroy; 1540 $pl->destroy;
1541
1542 my $prefix = qr<^~\Q$name\E/>;
1543
1544 # nuke player maps
1545 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1546
1057 IO::AIO::aio_rmtree $temp; 1547 IO::AIO::aio_rmtree $temp;
1548}
1549
1550=item $pl->kick
1551
1552Kicks a player out of the game. This destroys the connection.
1553
1554=cut
1555
1556sub kick {
1557 my ($pl, $kicker) = @_;
1558
1559 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1560 $pl->killer ("kicked");
1561 $pl->ns->destroy;
1058} 1562}
1059 1563
1060=item cf::player::list_logins 1564=item cf::player::list_logins
1061 1565
1062Returns am arrayref of all valid playernames in the system, can take a 1566Returns am arrayref of all valid playernames in the system, can take a
1063while and may block, so not sync_job-capable, ever. 1567while and may block, so not sync_job-capable, ever.
1064 1568
1065=cut 1569=cut
1066 1570
1067sub list_logins { 1571sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1572 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1573 or return [];
1070 1574
1071 my @logins; 1575 my @logins;
1072 1576
1073 for my $login (@$dirs) { 1577 for my $login (@$dirs) {
1578 my $path = path $login;
1579
1580 # a .pst is a dead give-away for a valid player
1581 # if no pst file found, open and chekc for blocked users
1582 if (aio_stat "$path.pst") {
1074 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1076 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1077 1587
1078 utf8::decode $login; 1588 utf8::decode $login;
1079 push @logins, $login; 1589 push @logins, $login;
1080 } 1590 }
1081 1591
1108 } 1618 }
1109 1619
1110 \@paths 1620 \@paths
1111} 1621}
1112 1622
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1624
1625Expand crossfire pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1114 1717
1115Sends an ext reply to the player. 1718Sends an ext reply to the player.
1116 1719
1117=cut 1720=cut
1118 1721
1119sub ext_reply($$$%) { 1722sub ext_reply($$@) {
1120 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1121 1724
1122 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1123
1124 $self->send ("ext " . cf::to_json \%msg);
1125} 1726}
1126 1727
1127package cf; 1728=item $player->ext_msg ($type, @msg)
1729
1730Sends an ext event to the client.
1731
1732=cut
1733
1734sub ext_msg($$@) {
1735 my ($self, $type, @msg) = @_;
1736
1737 $self->ns->ext_msg ($type, @msg);
1738}
1739
1740=head3 cf::region
1741
1742=over 4
1743
1744=cut
1745
1746package cf::region;
1747
1748=item cf::region::find_by_path $path
1749
1750Tries to decuce the likely region for a map knowing only its path.
1751
1752=cut
1753
1754sub find_by_path($) {
1755 my ($path) = @_;
1756
1757 my ($match, $specificity);
1758
1759 for my $region (list) {
1760 if ($region->{match} && $path =~ $region->{match}) {
1761 ($match, $specificity) = ($region, $region->specificity)
1762 if $region->specificity > $specificity;
1763 }
1764 }
1765
1766 $match
1767}
1128 1768
1129=back 1769=back
1130
1131 1770
1132=head3 cf::map 1771=head3 cf::map
1133 1772
1134=over 4 1773=over 4
1135 1774
1147our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1148our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1149 1788
1150sub generate_random_map { 1789sub generate_random_map {
1151 my ($self, $rmp) = @_; 1790 my ($self, $rmp) = @_;
1791
1792 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793
1152 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1153 $self->_create_random_map ( 1795 $self->_create_random_map (
1154 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1190 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1191 1833
1192 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1193 local $self->{path}; 1835 local $self->{path};
1194 local $self->{load_path}; 1836 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197 1837
1198 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1199} 1839}
1200 1840
1201sub normalise { 1841sub normalise {
1248 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1249 return $self; 1889 return $self;
1250 } 1890 }
1251 } 1891 }
1252 1892
1253 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1254 () 1894 ()
1255} 1895}
1256 1896
1257sub init { 1897sub init {
1258 my ($self) = @_; 1898 my ($self) = @_;
1273 1913
1274# the original (read-only) location 1914# the original (read-only) location
1275sub load_path { 1915sub load_path {
1276 my ($self) = @_; 1916 my ($self) = @_;
1277 1917
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1918 "$MAPDIR/$self->{path}.map"
1279} 1919}
1280 1920
1281# the temporary/swap location 1921# the temporary/swap location
1282sub save_path { 1922sub save_path {
1283 my ($self) = @_; 1923 my ($self) = @_;
1284 1924
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1926 "$TMPDIR/$path.map"
1287} 1927}
1288 1928
1289# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1290sub uniq_path { 1930sub uniq_path {
1291 my ($self) = @_; 1931 my ($self) = @_;
1292 1932
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1934 "$UNIQUEDIR/$path"
1295} 1935}
1296 1936
1297# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1298# all maps in C++... 1938# all maps in C++...
1299sub change_all_map_light { 1939sub change_all_map_light {
1301 1941
1302 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1303 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1304} 1944}
1305 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1306sub unlink_save { 1954sub unlink_save {
1307 my ($self) = @_; 1955 my ($self) = @_;
1308 1956
1309 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1959 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1960}
1318 1961
1319sub load_header_from($) { 1962sub load_header_from($) {
1320 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1321 1964
1322 utf8::encode $path; 1965 utf8::encode $path;
1323 #aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1324 # or return;
1325
1326 $self->_load_header ($path)
1327 or return; 1967 or return;
1968
1969 $self->_load_header ($f)
1970 or return;
1971
1972 local $MAP_LOADING{$self->{path}} = $self;
1973 $f->resolve_delayed_derefs;
1328 1974
1329 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1330 1976
1331 1 1977 1
1332} 1978}
1371 $self->load_header_orig 2017 $self->load_header_orig
1372 or return; 2018 or return;
1373 $self->prepare_orig; 2019 $self->prepare_orig;
1374 } 2020 }
1375 2021
2022 $self->{deny_reset} = 1
2023 if $self->no_reset;
2024
2025 $self->default_region (cf::region::find_by_path $self->{path})
2026 unless $self->default_region;
2027
1376 1 2028 1
1377} 2029}
1378 2030
1379sub find; 2031sub find;
1380sub find { 2032sub find {
1381 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1382 2034
1383 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1384 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1386 2039
1387 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1389 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1390 or return; 2045 or return;
1391 2046
1392 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1393 2048
1394 $map->load_header 2049 $map->load_header
1395 or return; 2050 or return;
1396 2051
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1400 $map->reset; 2057 $map->reset;
1401 undef $guard;
1402 return find $path; 2058 return find $path;
1403 } 2059 }
1404 2060
1405 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1406 } 2062 }
1413 my ($self) = @_; 2069 my ($self) = @_;
1414 2070
1415 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1416 2072
1417 my $path = $self->{path}; 2073 my $path = $self->{path};
2074
2075 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1419 2077
2078 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 2080
1422 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1423 2082
1424 $self->alloc; 2083 $self->alloc;
1425 2084
1426 $self->pre_load; 2085 $self->pre_load;
2086 cf::cede_to_tick;
1427 2087
1428 $self->_load_objects ($self->{load_path}, 1) 2088 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block;
2090 $self->_load_objects ($f)
1429 or return; 2091 or return;
1430 2092
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1433 2095
1434 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 2097 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 2100 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1439 } 2104 }
1440 } 2105 }
1441 2106
1442 Coro::cede; 2107 $f->resolve_delayed_derefs;
1443 2108
2109 cf::cede_to_tick;
1444 # now do the right thing for maps 2110 # now do the right thing for maps
1445 $self->link_multipart_objects; 2111 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 2112 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 2113 unless $self->difficulty;
1455 Coro::cede; 2114 cf::cede_to_tick;
2115
2116 unless ($self->{deny_activate}) {
2117 $self->decay_objects;
2118 $self->fix_auto_apply;
2119 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick;
1456 $self->activate; 2123 $self->activate;
2124 }
2125
2126 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME);
2128
2129 $self->in_memory (cf::MAP_ACTIVE);
1457 } 2130 }
1458 2131
1459 $self->post_load; 2132 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 2133}
1463 2134
1464sub customise_for { 2135sub customise_for {
1465 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1466 2137
1467 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 2139 if $self->per_player;
1469 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1470 $self 2144 $self
1471} 2145}
1472 2146
1473# find and load all maps in the 3x3 area around a map 2147# find and load all maps in the 3x3 area around a map
1474sub load_diag { 2148sub load_neighbours {
1475 my ($map) = @_; 2149 my ($map) = @_;
1476 2150
1477 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1478 2152
1479 for (0 .. 3) { 2153 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1481 or next; 2155 or next;
1482 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1483 or next; 2157 or next;
1484 $neigh->load; 2158 $neigh->load;
1485 2159
2160 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2163 }
1489 2164
1490 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1492 or next; 2168 or next;
1493 $neigh->load; 2169 $neigh->load;
1494 } 2170 }
1495} 2171}
1496 2172
1501} 2177}
1502 2178
1503sub do_load_sync { 2179sub do_load_sync {
1504 my ($map) = @_; 2180 my ($map) = @_;
1505 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1506 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1507} 2186}
1508 2187
1509our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1511 2190
1512sub find_async { 2191sub find_async {
1513 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1514 2193
1515 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1516 2195
1517 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519 } 2198 }
1520 2199
1521 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1522 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1523 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2207 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2208 $map->load if $v;
2209 }
1528 2210
1529 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1530 } 2212 }
1531 } 2213 }
1532 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1533 }; 2215 };
1534 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1537} 2219}
1538 2220
1539sub save { 2221sub save {
1540 my ($self) = @_; 2222 my ($self) = @_;
1541 2223
1542 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2225
1544 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1545 2227
1546 return unless $self->dirty; 2228 return unless $self->dirty;
1547 2229
1553 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1554 2236
1555 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1556 2238
1557 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1558 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1559 }; 2242 };
2243
2244 cf::get_slot 0.02;
1560 2245
1561 if ($uniq) { 2246 if ($uniq) {
1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1564 } else { 2249 } else {
1570 my ($self) = @_; 2255 my ($self) = @_;
1571 2256
1572 # save first because save cedes 2257 # save first because save cedes
1573 $self->save; 2258 $self->save;
1574 2259
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2261
1577 return if $self->players; 2262 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1579 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1580 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1581 $self->clear; 2270 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2271}
1584 2272
1585sub reset_at { 2273sub reset_at {
1586 my ($self) = @_; 2274 my ($self) = @_;
1587 2275
1588 # TODO: safety, remove and allow resettable per-player maps 2276 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2277 return 1e99 if $self->{deny_reset};
1591 2278
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2280 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594 2281
1605 my ($self) = @_; 2292 my ($self) = @_;
1606 2293
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2295
1609 return if $self->players; 2296 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2297
1612 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
2299
2300 $self->in_memory (cf::MAP_SWAPPED);
2301
2302 # need to save uniques path
2303 unless ($self->{deny_save}) {
2304 my $uniq = $self->uniq_path; utf8::encode $uniq;
2305
2306 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2307 if $uniq;
2308 }
1613 2309
1614 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1615 2311
1616 $self->in_memory (cf::MAP_SWAPPED); 2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1617 $self->clear; 2314 $self->clear;
1618
1619 $_->clear_links_to ($self) for values %cf::MAP;
1620 2315
1621 $self->unlink_save; 2316 $self->unlink_save;
1622 $self->destroy; 2317 $self->destroy;
1623} 2318}
1624 2319
1625my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1626 2321
1627sub nuke { 2322sub nuke {
1628 my ($self) = @_; 2323 my ($self) = @_;
1629 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1630 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1631 2329
1632 $self->unlink_save; 2330 $self->unlink_save;
1633 2331
1634 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1635 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1636 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1637 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1638 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639 2337
1640 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1641 2340
1642 $self->reset; # polite request, might not happen 2341 $self->reset; # polite request, might not happen
2342}
2343
2344=item $maps = cf::map::tmp_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347maps. May block.
2348
2349=cut
2350
2351sub tmp_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise $_
2357 : ()
2358 } @{ aio_readdir $TMPDIR or [] }
2359 ]
2360}
2361
2362=item $maps = cf::map::random_maps
2363
2364Returns an arrayref with all map paths of currently instantiated and saved
2365random maps. May block.
2366
2367=cut
2368
2369sub random_maps() {
2370 [
2371 map {
2372 utf8::decode $_;
2373 /\.map$/
2374 ? normalise "?random/$_"
2375 : ()
2376 } @{ aio_readdir $RANDOMDIR or [] }
2377 ]
1643} 2378}
1644 2379
1645=item cf::map::unique_maps 2380=item cf::map::unique_maps
1646 2381
1647Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1648instantiated unique items. May block. 2383instantiated unique items. May block.
1649 2384
1650=cut 2385=cut
1651 2386
1652sub unique_maps() { 2387sub unique_maps() {
1653 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2388 [
1654 or return; 2389 map {
1655
1656 my @paths;
1657
1658 for (@$files) {
1659 utf8::decode $_; 2390 utf8::decode $_;
1660 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1661 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662 2393 ? ()
1663 push @paths, cf::map::normalise $_; 2394 : normalise $_
2395 } @{ aio_readdir $UNIQUEDIR or [] }
1664 } 2396 ]
1665
1666 \@paths
1667} 2397}
1668
1669package cf;
1670 2398
1671=back 2399=back
1672 2400
1673=head3 cf::object 2401=head3 cf::object
1674 2402
1678 2406
1679=over 4 2407=over 4
1680 2408
1681=item $ob->inv_recursive 2409=item $ob->inv_recursive
1682 2410
1683Returns the inventory of the object _and_ their inventories, recursively. 2411Returns the inventory of the object I<and> their inventories, recursively,
2412but I<not> the object itself.
1684 2413
1685=cut 2414=cut
1686 2415
1687sub inv_recursive_; 2416sub inv_recursive_;
1688sub inv_recursive_ { 2417sub inv_recursive_ {
1691 2420
1692sub inv_recursive { 2421sub inv_recursive {
1693 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1694} 2423}
1695 2424
2425=item $ref = $ob->ref
2426
2427Creates and returns a persistent reference to an object that can be stored as a string.
2428
2429=item $ob = cf::object::deref ($refstring)
2430
2431returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2432even if the object actually exists. May block.
2433
2434=cut
2435
2436sub deref {
2437 my ($ref) = @_;
2438
2439 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2440 my ($uuid, $name) = ($1, $2);
2441 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2442 or return;
2443 $pl->ob->uuid eq $uuid
2444 or return;
2445
2446 $pl->ob
2447 } else {
2448 warn "$ref: cannot resolve object reference\n";
2449 undef
2450 }
2451}
2452
1696package cf; 2453package cf;
1697 2454
1698=back 2455=back
1699 2456
1700=head3 cf::object::player 2457=head3 cf::object::player
1706Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2463Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707can be C<undef>. Does the right thing when the player is currently in a 2464can be C<undef>. Does the right thing when the player is currently in a
1708dialogue with the given NPC character. 2465dialogue with the given NPC character.
1709 2466
1710=cut 2467=cut
2468
2469our $SAY_CHANNEL = {
2470 id => "say",
2471 title => "Map",
2472 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2474};
2475
2476our $CHAT_CHANNEL = {
2477 id => "chat",
2478 title => "Chat",
2479 reply => "chat ",
2480 tooltip => "Player chat and shouts, global to the server.",
2481};
1711 2482
1712# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1713# with dialog boxes. 2484# with dialog boxes.
1714#TODO: the first argument must go, split into a $npc->reply_to ( method 2485#TODO: the first argument must go, split into a $npc->reply_to ( method
1715sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1717 2488
1718 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719 2490
1720 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1721 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1722 } else { 2494 } else {
2495 my $pl = $self->contr;
2496
2497 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2498 my $dialog = $pl->{npc_dialog};
2499 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2500
2501 } else {
1723 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1724 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1725 } 2505 }
2506}
2507
2508=item $object->send_msg ($channel, $msg, $color, [extra...])
2509
2510=cut
2511
2512sub cf::object::send_msg {
2513 my $pl = shift->contr
2514 or return;
2515 $pl->send_msg (@_);
1726} 2516}
1727 2517
1728=item $player_object->may ("access") 2518=item $player_object->may ("access")
1729 2519
1730Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1777 $self->deactivate_recursive; 2567 $self->deactivate_recursive;
1778 2568
1779 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2569 return if UNIVERSAL::isa $self->map, "ext::map_link";
1780 2570
1781 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2571 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782 if $self->map; 2572 if $self->map && $self->map->{path} ne "{link}";
1783 2573
1784 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2574 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1785} 2575}
1786 2576
1787sub cf::object::player::leave_link { 2577sub cf::object::player::leave_link {
1788 my ($self, $map, $x, $y) = @_; 2578 my ($self, $map, $x, $y) = @_;
2579
2580 return unless $self->contr->active;
1789 2581
1790 my $link_pos = delete $self->{_link_pos}; 2582 my $link_pos = delete $self->{_link_pos};
1791 2583
1792 unless ($map) { 2584 unless ($map) {
1793 # restore original map position 2585 # restore original map position
1807 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1808 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1809 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1810 2602
1811 $map->load; 2603 $map->load;
1812 $map->load_diag; 2604 $map->load_neighbours;
1813 2605
1814 return unless $self->contr->active; 2606 return unless $self->contr->active;
1815 $self->activate_recursive; 2607 $self->activate_recursive;
2608
2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1817} 2611}
1818 2612
1819cf::player->attach ( 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820 on_logout => sub {
1821 my ($pl) = @_;
1822 2614
1823 # abort map switching before logout 2615Moves the player to the given map-path and coordinates by first freezing
1824 if ($pl->ob->{_link_pos}) { 2616her, loading and preparing them map, calling the provided $check callback
1825 cf::sync_job { 2617that has to return the map if sucecssful, and then unfreezes the player on
1826 $pl->ob->leave_link 2618the new (success) or old (failed) map position. In either case, $done will
1827 }; 2619be called at the end of this process.
1828 }
1829 },
1830 on_login => sub {
1831 my ($pl) = @_;
1832 2620
1833 # try to abort aborted map switching on player login :)
1834 # should happen only on crashes
1835 if ($pl->ob->{_link_pos}) {
1836 $pl->ob->enter_link;
1837 (async {
1838 # we need this sleep as the login has a concurrent enter_exit running
1839 # and this sleep increases chances of the player not ending up in scorn
1840 $pl->ob->reply (undef,
1841 "There was an internal problem at your last logout, "
1842 . "the server will try to bring you to your intended destination in a second.",
1843 cf::NDI_RED);
1844 Coro::Timer::sleep 1;
1845 $pl->ob->leave_link;
1846 })->prio (2);
1847 }
1848 },
1849);
1850
1851=item $player_object->goto ($path, $x, $y)
1852
1853=cut 2621=cut
2622
2623our $GOTOGEN;
1854 2624
1855sub cf::object::player::goto { 2625sub cf::object::player::goto {
1856 my ($self, $path, $x, $y) = @_; 2626 my ($self, $path, $x, $y, $check, $done) = @_;
2627
2628 # do generation counting so two concurrent goto's will be executed in-order
2629 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857 2630
1858 $self->enter_link; 2631 $self->enter_link;
1859 2632
1860 (async { 2633 (async {
2634 $Coro::current->{desc} = "player::goto $path $x $y";
2635
2636 # *tag paths override both path and x|y
2637 if ($path =~ /^\*(.*)$/) {
2638 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2639 my $ob = $obs[rand @obs];
2640
2641 # see if we actually can go there
2642 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2643 $ob = $obs[rand @obs];
2644 } else {
2645 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647 # else put us there anyways for now #d#
2648
2649 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2650 } else {
2651 ($path, $x, $y) = (undef, undef, undef);
2652 }
2653 }
2654
1861 my $map = eval { 2655 my $map = eval {
1862 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
2657
2658 if ($map) {
1863 $map = $map->customise_for ($self) if $map; 2659 $map = $map->customise_for ($self);
2660 $map = $check->($map) if $check && $map;
2661 } else {
2662 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663 }
2664
1864 $map 2665 $map
2666 };
2667
2668 if ($@) {
2669 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2670 LOG llevError | logBacktrace, Carp::longmess $@;
1865 } or 2671 }
1866 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867 2672
2673 if ($gen == $self->{_goto_generation}) {
2674 delete $self->{_goto_generation};
1868 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
2676 }
2677
2678 $done->() if $done;
1869 })->prio (1); 2679 })->prio (1);
1870} 2680}
1871 2681
1872=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1873 2683
1893} 2703}
1894 2704
1895sub prepare_random_map { 2705sub prepare_random_map {
1896 my ($exit) = @_; 2706 my ($exit) = @_;
1897 2707
1898 my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
1901 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
1902 # that depends on the exit object 2710 # that depends on the exit object
1903 2711
1904 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
1906 if ($exit->map) { 2714 if ($exit->map) {
1907 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
1908 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
1909 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
1910 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
1911 } 2721 }
1912 2722
1913 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
1914 2724
1915 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
1917 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
1918 2728
1919 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
1921 undef $fh; 2731 undef $fh;
1922 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
1923 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
1924 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
1925 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
1926 } 2740 }
1927} 2741}
1928 2742
1929sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
1930 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
1931 2745
1932 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
1933 2747
1934 if ($exit->slaying eq "/!") {
1935 #TODO: this should de-fi-ni-te-ly not be a sync-job
1936 cf::sync_job { prepare_random_map $exit };
1937 }
1938
1939 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940 my $hp = $exit->stats->hp;
1941 my $sp = $exit->stats->sp;
1942
1943 $self->enter_link; 2748 $self->enter_link;
1944 2749
1945 (async { 2750 (async {
1946 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
1947 unless (eval { 2753 unless (eval {
2754 $self->deactivate_recursive; # just to be sure
2755
2756 # random map handling
2757 {
2758 my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760 prepare_random_map $exit
2761 if $exit->slaying eq "/!";
2762 }
2763
2764 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2765 my $x = $exit->stats->hp;
2766 my $y = $exit->stats->sp;
2767
1948 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
1949 2769
2770 # if exit is damned, update players death & WoR home-position
2771 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED);
2773
1950 1; 2774 1
1951 }) { 2775 }) {
1952 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
1953 . "I'll try to bring you back to the map you were before. " 2777 . "I'll try to bring you back to the map you were before. "
1954 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
1955 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
1956 2780
1957 warn "ERROR in enter_exit: $@"; 2781 warn "ERROR in enter_exit: $@";
1958 $self->leave_link; 2782 $self->leave_link;
1959 } 2783 }
1960 })->prio (1); 2784 })->prio (1);
1973 2797
1974sub cf::client::send_drawinfo { 2798sub cf::client::send_drawinfo {
1975 my ($self, $text, $flags) = @_; 2799 my ($self, $text, $flags) = @_;
1976 2800
1977 utf8::encode $text; 2801 utf8::encode $text;
1978 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979} 2803}
1980 2804
2805=item $client->send_msg ($channel, $msg, $color, [extra...])
2806
2807Send a drawinfo or msg packet to the client, formatting the msg for the
2808client if neccessary. C<$type> should be a string identifying the type of
2809the message, with C<log> being the default. If C<$color> is negative, suppress
2810the message unless the client supports the msg packet.
2811
2812=cut
2813
2814# non-persistent channels (usually the info channel)
2815our %CHANNEL = (
2816 "c/identify" => {
2817 id => "infobox",
2818 title => "Identify",
2819 reply => undef,
2820 tooltip => "Items recently identified",
2821 },
2822 "c/examine" => {
2823 id => "infobox",
2824 title => "Examine",
2825 reply => undef,
2826 tooltip => "Signs and other items you examined",
2827 },
2828 "c/book" => {
2829 id => "infobox",
2830 title => "Book",
2831 reply => undef,
2832 tooltip => "The contents of a note or book",
2833 },
2834 "c/lookat" => {
2835 id => "infobox",
2836 title => "Look",
2837 reply => undef,
2838 tooltip => "What you saw there",
2839 },
2840 "c/who" => {
2841 id => "infobox",
2842 title => "Players",
2843 reply => undef,
2844 tooltip => "Shows players who are currently online",
2845 },
2846 "c/body" => {
2847 id => "infobox",
2848 title => "Body Parts",
2849 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available",
2851 },
2852 "c/uptime" => {
2853 id => "infobox",
2854 title => "Uptime",
2855 reply => undef,
2856 tooltip => "How long the server has been running since last restart",
2857 },
2858 "c/mapinfo" => {
2859 id => "infobox",
2860 title => "Map Info",
2861 reply => undef,
2862 tooltip => "Information related to the maps",
2863 },
2864 "c/party" => {
2865 id => "party",
2866 title => "Party",
2867 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party",
2869 },
2870);
2871
2872sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_;
2874
2875 $msg = $self->pl->expand_cfpod ($msg);
2876
2877 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878
2879 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel};
2882
2883 $self->ext_msg (channel_info => $channel)
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id};
2887
2888 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel)
2893 if $self->can_msg;
2894 }
2895
2896 $channel = $channel->{id};
2897 }
2898
2899 return unless @extra || length $msg;
2900
2901 if ($self->can_msg) {
2902 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF;
2905
2906 $self->send_packet ("msg " . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2908 } else {
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919
2920 $color &= cf::NDI_COLOR_MASK;
2921
2922 utf8::encode $msg;
2923
2924 if (0 && $msg =~ /\[/) {
2925 # COMMAND/INFO
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 }
2933}
2934
2935=item $client->ext_msg ($type, @msg)
2936
2937Sends an ext event to the client.
2938
2939=cut
2940
2941sub cf::client::ext_msg($$@) {
2942 my ($self, $type, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946 } elsif ($self->extcmd == 1) { # TODO: remove
2947 push @msg, msgtype => "event_$type";
2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2950}
2951
2952=item $client->ext_reply ($msgid, @msg)
2953
2954Sends an ext reply to the client.
2955
2956=cut
2957
2958sub cf::client::ext_reply($$@) {
2959 my ($self, $id, @msg) = @_;
2960
2961 if ($self->extcmd == 2) {
2962 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963 } elsif ($self->extcmd == 1) {
2964 #TODO: version 1, remove
2965 unshift @msg, msgtype => "reply", msgid => $id;
2966 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967 }
2968}
1981 2969
1982=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
1983 2971
1984Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
1985the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2973the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2974C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987 2975
1988Queries can fail, so check the return code. Or don't, as queries will become 2976Queries can fail, so check the return code. Or don't, as queries will
1989reliable at some point in the future. 2977become reliable at some point in the future.
1990 2978
1991=cut 2979=cut
1992 2980
1993sub cf::client::query { 2981sub cf::client::query {
1994 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
2002 utf8::encode $text; 2990 utf8::encode $text;
2003 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004 2992
2005 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
2006 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
2007} 2997}
2008 2998
2009cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
2010 on_reply => sub { 3005 on_reply => sub {
2011 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
2012 3007
2013 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
2014 # get handled first 3009 # get handled first
2026 } else { 3021 } else {
2027 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028 } 3023 }
2029 } 3024 }
2030 }, 3025 },
3026 on_exticmd => sub {
3027 my ($ns, $buf) = @_;
3028
3029 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030
3031 if (ref $msg) {
3032 my ($type, $reply, @payload) =
3033 "ARRAY" eq ref $msg
3034 ? @$msg
3035 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036
3037 my @reply;
3038
3039 if (my $cb = $EXTICMD{$type}) {
3040 @reply = $cb->($ns, @payload);
3041 }
3042
3043 $ns->ext_reply ($reply, @reply)
3044 if $reply;
3045
3046 } else {
3047 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048 }
3049
3050 cf::override;
3051 },
2031); 3052);
2032 3053
2033=item $client->async (\&cb) 3054=item $client->async (\&cb)
2034 3055
2035Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2076our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2077our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2078 3099
2079$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2080 3101
2081$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2082 3107
2083# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2084 3109
2085=pod 3110=pod
2086 3111
2087The following fucntions and emthods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2088 3113
2089 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2090 cf::object::player player 3118 cf::object::player
2091 cf::player peaceful 3119 player
2092 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2093 3126
2094=cut 3127=cut
2095 3128
2096for ( 3129for (
2097 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2098 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2099 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2100 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2101) { 3136) {
2102 no strict 'refs'; 3137 no strict 'refs';
2173=back 3208=back
2174 3209
2175=cut 3210=cut
2176 3211
2177############################################################################# 3212#############################################################################
2178
2179=head2 EXTENSION DATABASE SUPPORT
2180
2181Crossfire maintains a very simple database for extension use. It can
2182currently store anything that can be serialised using Storable, which
2183excludes objects.
2184
2185The parameter C<$family> should best start with the name of the extension
2186using it, it should be unique.
2187
2188=over 4
2189
2190=item $value = cf::db_get $family => $key
2191
2192Returns a single value from the database.
2193
2194=item cf::db_put $family => $key => $value
2195
2196Stores the given C<$value> in the family.
2197
2198=cut
2199
2200our $DB;
2201
2202sub db_load() {
2203 unless ($DB) {
2204 $DB = BDB::db_create $DB_ENV;
2205
2206 cf::sync_job {
2207 eval {
2208 $DB->set_flags (BDB::CHKSUM);
2209
2210 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212 cf::cleanup "db_open(db): $!" if $!;
2213 };
2214 cf::cleanup "db_open(db): $@" if $@;
2215 };
2216
2217 my $path = cf::localdir . "/database.pst";
2218 if (stat $path) {
2219 cf::sync_job {
2220 my $pst = Storable::retrieve $path;
2221
2222 cf::db_put (board => data => $pst->{board});
2223 cf::db_put (guildrules => data => $pst->{guildrules});
2224 cf::db_put (rent => balance => $pst->{rent}{balance});
2225 BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227 unlink $path;
2228 };
2229 }
2230 }
2231}
2232
2233sub db_get($$) {
2234 my $key = "$_[0]/$_[1]";
2235
2236 cf::sync_job {
2237 BDB::db_get $DB, undef, $key, my $data;
2238
2239 $! ? ()
2240 : Compress::LZF::sthaw $data
2241 }
2242}
2243
2244sub db_put($$$) {
2245 BDB::dbreq_pri 4;
2246 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247}
2248
2249#############################################################################
2250# the server's init and main functions 3213# the server's init and main functions
2251 3214
3215sub load_facedata($) {
3216 my ($path) = @_;
3217
3218 # HACK to clear player env face cache, we need some signal framework
3219 # for this (global event?)
3220 %ext::player_env::MUSIC_FACE_CACHE = ();
3221
3222 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3223
3224 warn "loading facedata from $path\n";
3225
3226 my $facedata;
3227 0 < aio_load $path, $facedata
3228 or die "$path: $!";
3229
3230 $facedata = Coro::Storable::thaw $facedata;
3231
3232 $facedata->{version} == 2
3233 or cf::cleanup "$path: version mismatch, cannot proceed.";
3234
3235 # patch in the exptable
3236 $facedata->{resource}{"res/exp_table"} = {
3237 type => FT_RSRC,
3238 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3239 };
3240 cf::cede_to_tick;
3241
3242 {
3243 my $faces = $facedata->{faceinfo};
3244
3245 while (my ($face, $info) = each %$faces) {
3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247
3248 cf::face::set_visibility $idx, $info->{visibility};
3249 cf::face::set_magicmap $idx, $info->{magicmap};
3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3251 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3252
3253 cf::cede_to_tick;
3254 }
3255
3256 while (my ($face, $info) = each %$faces) {
3257 next unless $info->{smooth};
3258
3259 my $idx = cf::face::find $face
3260 or next;
3261
3262 if (my $smooth = cf::face::find $info->{smooth}) {
3263 cf::face::set_smooth $idx, $smooth;
3264 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3265 } else {
3266 warn "smooth face '$info->{smooth}' not found for face '$face'";
3267 }
3268
3269 cf::cede_to_tick;
3270 }
3271 }
3272
3273 {
3274 my $anims = $facedata->{animinfo};
3275
3276 while (my ($anim, $info) = each %$anims) {
3277 cf::anim::set $anim, $info->{frames}, $info->{facings};
3278 cf::cede_to_tick;
3279 }
3280
3281 cf::anim::invalidate_all; # d'oh
3282 }
3283
3284 {
3285 # TODO: for gcfclient pleasure, we should give resources
3286 # that gcfclient doesn't grok a >10000 face index.
3287 my $res = $facedata->{resource};
3288
3289 while (my ($name, $info) = each %$res) {
3290 if (defined $info->{type}) {
3291 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292 my $data;
3293
3294 if ($info->{type} & 1) {
3295 # prepend meta info
3296
3297 my $meta = $enc->encode ({
3298 name => $name,
3299 %{ $info->{meta} || {} },
3300 });
3301
3302 $data = pack "(w/a*)*", $meta, $info->{data};
3303 } else {
3304 $data = $info->{data};
3305 }
3306
3307 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308 cf::face::set_type $idx, $info->{type};
3309 } else {
3310 $RESOURCE{$name} = $info;
3311 }
3312
3313 cf::cede_to_tick;
3314 }
3315 }
3316
3317 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318
3319 1
3320}
3321
3322cf::global->attach (on_resource_update => sub {
3323 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327 my $sound = $soundconf->{compat}[$_]
3328 or next;
3329
3330 my $face = cf::face::find "sound/$sound->[1]";
3331 cf::sound::set $sound->[0] => $face;
3332 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333 }
3334
3335 while (my ($k, $v) = each %{$soundconf->{event}}) {
3336 my $face = cf::face::find "sound/$v";
3337 cf::sound::set $k => $face;
3338 }
3339 }
3340});
3341
3342register_exticmd fx_want => sub {
3343 my ($ns, $want) = @_;
3344
3345 while (my ($k, $v) = each %$want) {
3346 $ns->fx_want ($k, $v);
3347 }
3348};
3349
2252sub load_resources { 3350sub load_resource_file($) {
2253 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3351 my $guard = lock_acquire "load_resource_file";
3352
3353 my $status = load_resource_file_ $_[0];
3354 get_slot 0.1, 100;
3355 cf::arch::commit_load;
3356
3357 $status
3358}
3359
3360sub reload_regions {
3361 # HACK to clear player env face cache, we need some signal framework
3362 # for this (global event?)
3363 %ext::player_env::MUSIC_FACE_CACHE = ();
3364
3365 load_resource_file "$MAPDIR/regions"
2254 or die "unable to load regions file\n";#d# 3366 or die "unable to load regions file\n";
2255}
2256 3367
2257sub cfg_load { 3368 for (cf::region::list) {
3369 $_->{match} = qr/$_->{match}/
3370 if exists $_->{match};
3371 }
3372}
3373
3374sub reload_facedata {
3375 load_facedata "$DATADIR/facedata"
3376 or die "unable to load facedata\n";
3377}
3378
3379sub reload_archetypes {
3380 load_resource_file "$DATADIR/archetypes"
3381 or die "unable to load archetypes\n";
3382}
3383
3384sub reload_treasures {
3385 load_resource_file "$DATADIR/treasures"
3386 or die "unable to load treasurelists\n";
3387}
3388
3389sub reload_resources {
3390 warn "reloading resource files...\n";
3391
3392 reload_facedata;
3393 reload_archetypes;
3394 reload_regions;
3395 reload_treasures;
3396
3397 warn "finished reloading resource files\n";
3398}
3399
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 3408 or return;
2260 3409
2261 local $/; 3410 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2263 3412
2264 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265 3414
2266 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2273 }; 3422 };
2274 warn $@ if $@; 3423 warn $@ if $@;
2275 } 3424 }
2276} 3425}
2277 3426
2278sub init {
2279 load_resources;
2280}
2281
2282sub main { 3427sub main {
2283 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2284 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2285 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286 (async { 3431 (async {
2287 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2288 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2289 }; 3435 };
2290 3436
2291 cfg_load; 3437 {
2292 db_load; 3438 my $guard = freeze_mainloop;
3439 reload_config;
3440 db_init;
2293 load_extensions; 3441 load_extensions;
2294 3442
2295 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2296 Event::loop; 3446 EV::loop;
2297} 3447}
2298 3448
2299############################################################################# 3449#############################################################################
2300# initialisation and cleanup 3450# initialisation and cleanup
2301 3451
2302# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2303BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2304 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2305 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2306 reentrant => 0,
2307 data => WF_AUTOCANCEL,
2308 signal => $signal,
2309 prio => 0,
2310 cb => sub {
2311 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2312 },
2313 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2314 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2315} 3541}
2316 3542
2317sub emergency_save() { 3543sub emergency_save() {
2318 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2319 3545
2325 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2326 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2327 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2328 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2329 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2330 $pl->save; 3557 $pl->save;
2331 } 3558 }
2332 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2333 3560
2334 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2340 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2341 3568
2342 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2343 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2344 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2345 }; 3576 };
2346 3577
2347 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2348} 3579}
2349 3580
3581sub post_cleanup {
3582 my ($make_core) = @_;
3583
3584 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core;
3586}
3587
2350sub reload() { 3588sub do_reload_perl() {
2351 # can/must only be called in main 3589 # can/must only be called in main
2352 if ($Coro::current != $Coro::main) { 3590 if ($Coro::current != $Coro::main) {
2353 warn "can only reload from main coroutine"; 3591 warn "can only reload from main coroutine";
2354 return; 3592 return;
2355 } 3593 }
2356 3594
2357 warn "reloading..."; 3595 warn "reloading...";
2358 3596
2359 warn "cancelling server ticker"; 3597 warn "entering sync_job";
2360 $TICK_WATCHER->cancel;
2361 3598
3599 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark
2362 cf::emergency_save; 3601 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark
2363 3603
2364 eval { 3604 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV;
3606
2365 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2366
2367 warn "cancelling all WF_AUTOCANCEL watchers";
2368 for (Event::all_watchers) {
2369 $_->cancel if $_->data & WF_AUTOCANCEL;
2370 }
2371
2372 warn "syncing database to disk";
2373 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374 3608
2375 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2376 for (;;) { 3610 for (;;) {
2377 BDB::flush; 3611 BDB::flush;
2378 IO::AIO::flush; 3612 IO::AIO::flush;
2379 Coro::cede; 3613 Coro::cede_notself;
2380 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2381 warn "iterate..."; 3615 warn "iterate...";
2382 } 3616 }
3617
3618 ++$RELOAD;
2383 3619
2384 warn "cancelling all extension coros"; 3620 warn "cancelling all extension coros";
2385 $_->cancel for values %EXT_CORO; 3621 $_->cancel for values %EXT_CORO;
2386 %EXT_CORO = (); 3622 %EXT_CORO = ();
2387 3623
2388 warn "removing commands"; 3624 warn "removing commands";
2389 %COMMAND = (); 3625 %COMMAND = ();
2390 3626
2391 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2392 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2393 3630
2394 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2395 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2396 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2397 3634
2427 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2428 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429 3666
2430 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2431 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2432 3670
2433 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2434 # and global variables created in xs 3672 # and global variables created in xs
2435 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2436 3674
2439 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2440 require cf; 3678 require cf;
2441 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442 3680
2443 warn "loading config and database again"; 3681 warn "loading config and database again";
2444 cf::cfg_load; 3682 cf::reload_config;
2445 cf::db_load;
2446 3683
2447 warn "loading extensions"; 3684 warn "loading extensions";
2448 cf::load_extensions; 3685 cf::load_extensions;
2449 3686
2450 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2451 _global_reattach; 3688 _global_reattach; # objects, sockets
2452 warn "reattaching attachments to maps"; 3689 warn "reattaching attachments to maps";
2453 reattach $_ for values %MAP; 3690 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER;
2454 3693
2455 warn "loading reloadable resources"; 3694 warn "leaving sync_job";
2456 load_resources;
2457 3695
2458 warn "restarting server ticker"; 3696 1
2459 3697 } or do {
2460 $TICK_WATCHER->start; 3698 warn $@;
3699 cf::cleanup "error while reloading, exiting.";
2461 }; 3700 };
2462
2463 if ($@) {
2464 warn $@;
2465 warn "error while reloading, exiting.";
2466 exit 1;
2467 }
2468 3701
2469 warn "reloaded"; 3702 warn "reloaded";
2470}; 3703};
2471 3704
2472our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
2473 3706
3707sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here.
3710
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3712 do_reload_perl;
3713 undef $RELOAD_WATCHER;
3714 };
3715}
3716
2474register_command "reload" => sub { 3717register_command "reload" => sub {
2475 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2476 3719
2477 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
2479 3722 async {
2480 # doing reload synchronously and two reloads happen back-to-back, 3723 $Coro::current->{desc} = "perl_reload";
2481 # coro crashes during coro_state_free->destroy here.
2482
2483 $RELOAD_WATCHER ||= Event->timer (
2484 reentrant => 0,
2485 after => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => sub {
2488 reload; 3724 reload_perl;
2489 undef $RELOAD_WATCHER;
2490 },
2491 ); 3725 };
2492 } 3726 }
2493}; 3727};
2494 3728
2495unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2496 3730
2497my $bug_warning = 0; 3731my $bug_warning = 0;
2498 3732
2499$TICK_WATCHER = Event->timer ( 3733our @WAIT_FOR_TICK;
2500 reentrant => 0, 3734our @WAIT_FOR_TICK_BEGIN;
2501 parked => 1, 3735
2502 prio => 0, 3736sub wait_for_tick {
2503 at => $NEXT_TICK || $TICK, 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2504 data => WF_AUTOCANCEL, 3738
2505 cb => sub { 3739 my $signal = new Coro::Signal;
3740 push @WAIT_FOR_TICK, $signal;
3741 $signal->wait;
3742}
3743
3744sub wait_for_tick_begin {
3745 return if tick_inhibit || $Coro::current == $Coro::main;
3746
3747 my $signal = new Coro::Signal;
3748 push @WAIT_FOR_TICK_BEGIN, $signal;
3749 $signal->wait;
3750}
3751
3752sub tick {
2506 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2507 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2509 return; 3756 return;
2510 } 3757 }
2511 3758
2512 $NOW = Event::time;
2513
2514 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2515 $RUNTIME += $TICK;
2516 $NEXT_TICK += $TICK;
2517 3760
2518 $WAIT_FOR_TICK->broadcast; 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
3765 write_runtime_sync
3766 or warn "ERROR: unable to write runtime file: $!";
3767 };
3768 }
2520 3769
2521 Event::sweep; 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2522 Coro::cede_notself; 3771 $sig->send;
3772 }
3773 while (my $sig = shift @WAIT_FOR_TICK) {
3774 $sig->send;
3775 }
3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
2523 3785 }
2524# my $AFTER = Event::time;
2525# warn $AFTER - $NOW;#d#
2526
2527 # if we are delayed by four ticks or more, skip them all
2528 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2529
2530 $TICK_WATCHER->at ($NEXT_TICK);
2531 $TICK_WATCHER->start;
2532 }, 3786 }
2533); 3787}
2534 3788
2535{ 3789{
2536 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2537 $BDB_POLL_WATCHER = Event->io ( 3791
2538 reentrant => 0,
2539 fd => BDB::poll_fileno,
2540 poll => 'r',
2541 prio => 0,
2542 data => WF_AUTOCANCEL,
2543 cb => \&BDB::poll_cb,
2544 );
2545 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2546 3793 BDB::max_poll_reqs $TICK * 0.1;
2547 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2548 my $status;
2549 my $current = $Coro::current;
2550 (
2551 sub {
2552 $status = $!;
2553 $current->ready; undef $current;
2554 },
2555 sub {
2556 Coro::schedule while defined $current;
2557 $! = $status;
2558 },
2559 )
2560 };
2561 3795
2562 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2563 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564 3802
2565 cf::sync_job { 3803 cf::sync_job {
2566 eval { 3804 eval {
2567 BDB::db_env_open 3805 BDB::db_env_open
2568 $DB_ENV, 3806 $DB_ENV,
2569 $BDB_ENV_DIR, 3807 $BDBDIR,
2570 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572 0666; 3810 0666;
2573 3811
2574 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577 $DB_ENV->set_lk_detect;
2578 }; 3813 };
2579 3814
2580 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2581 }; 3816 };
2582 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2583} 3828}
2584 3829
2585{ 3830{
3831 # configure IO::AIO
3832
2586 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2587
2588 undef $Coro::AIO::WATCHER;
2589 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2590 $AIO_POLL_WATCHER = Event->io ( 3835 #undef $AnyEvent::AIO::WATCHER;
2591 reentrant => 0,
2592 fd => IO::AIO::poll_fileno,
2593 poll => 'r',
2594 prio => 6,
2595 data => WF_AUTOCANCEL,
2596 cb => \&IO::AIO::poll_cb,
2597 );
2598} 3836}
2599 3837
2600$WRITE_RUNTIME_WATCHER = Event->timer ( 3838my $_log_backtrace;
2601 reentrant => 0, 3839
2602 data => WF_AUTOCANCEL, 3840sub _log_backtrace {
2603 after => 1, 3841 my ($msg, @addr) = @_;
2604 interval => 10, 3842
2605 prio => 6, # keep it lowest so it acts like a watchdog 3843 $msg =~ s/\n//;
2606 cb => Coro::unblock_sub { 3844
2607 write_runtime 3845 # limit the # of concurrent backtraces
2608 or warn "ERROR: unable to write runtime file: $!"; 3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
2609 }, 3875 }
2610); 3876}
3877
3878# load additional modules
3879use cf::pod;
2611 3880
2612END { cf::emergency_save } 3881END { cf::emergency_save }
2613 3882
3883evthread_start IO::AIO::poll_fileno;
3884
26141 38851
2615 3886

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