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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.433 by root, Sat May 10 22:38:52 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::EV;
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
62# configure various modules to our taste
63#
64$Storable::canonical = 1; # reduce rsync transfers
65Coro::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 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 67
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 69
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub 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 71
40our %COMMAND = (); 72our %COMMAND = ();
41our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
42 74
43our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
47 80
81our $RELOAD; # number of reloads so far
48our @EVENT; 82our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 83
51our $TICK = MAX_TIME * 1e-6; 84our $CONFDIR = confdir;
52our $TICK_WATCHER; 85our $DATADIR = datadir;
53our $AIO_POLL_WATCHER; 86our $LIBDIR = "$DATADIR/ext";
87our $PODDIR = "$DATADIR/pod";
88our $MAPDIR = "$DATADIR/" . mapdir;
89our $LOCALDIR = localdir;
90our $TMPDIR = "$LOCALDIR/" . tmpdir;
91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93our $RANDOMDIR = "$LOCALDIR/random";
94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
96
97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 99our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
58 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 105our $DB_ENV;
61 106
62our %CFG; 107our %CFG;
63 108
64our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 110our $RUNTIME;
111our $NOW;
66 112
67our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 115our $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;
75 116
76# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
124
79binmode STDOUT; 125binmode STDOUT;
80binmode STDERR; 126binmode STDERR;
81 127
82# read virtual server time, if available 128# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 129unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 130 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 131 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 132 $RUNTIME = <$fh> + 0.;
87} 133}
88 134
89mkdir cf::localdir; 135mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 137
96our $EMERGENCY_POSITION; 138our $EMERGENCY_POSITION;
97 139
98sub cf::map::normalise; 140sub cf::map::normalise;
99 141
110=item $cf::RUNTIME 152=item $cf::RUNTIME
111 153
112The time this server has run, starts at 0 and is increased by $cf::TICK on 154The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 155every server tick.
114 156
115=item $cf::LIBDIR 157=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 160
117The perl library directory, where extensions and cf-specific modules can 161Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 162directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163unique-items directory, player file directory, random maps directory and
164database environment.
119 165
120=item $cf::NOW 166=item $cf::NOW
121 167
122The time of the last (current) server tick. 168The time of the last (current) server tick.
123 169
124=item $cf::TICK 170=item $cf::TICK
125 171
126The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
127 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
128=item %cf::CFG 184=item %cf::CFG
129 185
130Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 187from wherever your confdir points to.
132 188
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 189=item cf::wait_for_tick, cf::wait_for_tick_begin
134 190
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 191These 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 192returns 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 193per 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. 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
139 200
140=back 201=back
141 202
142=cut 203=cut
143 204
144BEGIN { 205BEGIN {
145 *CORE::GLOBAL::warn = sub { 206 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 207 my $msg = join "", @_;
147 utf8::encode $msg;
148 208
149 $msg .= "\n" 209 $msg .= "\n"
150 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
151 211
212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213
152 LOG llevError, $msg; 214 LOG llevError, $msg;
153 }; 215 };
154} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
155 232
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 240
163# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 242# within the Safe compartment.
165for my $pkg (qw( 243for my $pkg (qw(
166 cf::global cf::attachable 244 cf::global cf::attachable
171)) { 249)) {
172 no strict 'refs'; 250 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 252}
175 253
176$Event::DIED = sub { 254$EV::DIED = sub {
177 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
178}; 256};
257
258#############################################################################
179 259
180=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
181 261
182=over 4 262=over 4
183 263
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 283 $d
204 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
205} 285}
206 286
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
210 288
211Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
212 290
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
221 292
222Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
223 294
224=cut 295=cut
225 296
226sub to_json($) { 297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 298
228 JSON::Syck::Dump $_[0] 299sub encode_json($) { $json_coder->encode ($_[0]) }
229} 300sub decode_json($) { $json_coder->decode ($_[0]) }
230 301
231=item cf::lock_wait $string 302=item cf::lock_wait $string
232 303
233Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
234 305
237Wait until the given lock is available and then acquires it and returns 308Wait 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, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
240returned. 311returned.
241 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
242Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
244 318
319=item $locked = cf::lock_active $string
320
321Return true if the lock is currently active, i.e. somebody has locked it.
322
245=cut 323=cut
246 324
247our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
248 327
249sub lock_wait($) { 328sub lock_wait($) {
250 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
251 335
252 # wait for lock, if any 336 # wait for lock, if any
253 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 339 Coro::schedule;
261 345
262 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
263 lock_wait $key; 347 lock_wait $key;
264 348
265 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
266 351
267 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
270 } 356 }
271} 357}
272 358
359sub lock_active($) {
360 my ($key) = @_;
361
362 ! ! $LOCK{$key}
363}
364
273sub freeze_mainloop { 365sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
275 367
276 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
277 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
278 }; 429 }
279 $TICK_WATCHER->stop; 430};
280 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
281} 444}
282 445
283=item cf::async { BLOCK } 446=item cf::async { BLOCK }
284 447
285Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
290 453
291BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
292 455
293=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
294 457
295The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
298 462
299If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
302fast or be very important. 466fast or be very important.
305 469
306sub sync_job(&) { 470sub sync_job(&) {
307 my ($job) = @_; 471 my ($job) = @_;
308 472
309 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
474 my $time = EV::time;
475
310 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
312 478
313 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 480
315 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
316 482
317 my $busy = 1; 483 my $busy = 1;
318 my @res; 484 my @res;
319 485
320 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 488 @res = eval { $job->() };
322 warn $@ if $@; 489 warn $@ if $@;
323 undef $busy; 490 undef $busy;
324 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
325 492
326 while ($busy) { 493 while ($busy) {
327 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
328 } 498 }
499 }
500
501 my $time = EV::time - $time;
502
503 $TICK_START += $time; # do not account sync jobs to server load
329 504
330 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
331 } else { 506 } else {
332 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
333 508
353 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
354 529
355 $coro 530 $coro
356} 531}
357 532
358sub write_runtime { 533=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 534
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 535Executes the given code block with the given arguments in a seperate
362 or return; 536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
363 539
364 my $value = $cf::RUNTIME + 90 + 10; 540=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 541
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 542sub fork_call(&@) {
369 and return; 543 my ($cb, @args) = @_;
370 544
371 # always fsync - this file is important 545 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 546 # otherwise perl prematurely frees the stuff :/
373 and return; 547 # TODO: investigate and fix (likely this will be rather laborious)
374 548
375 close $fh 549 my @res = Coro::Util::fork_eval {
376 or return; 550 reset_signals;
551 &$cb
552 }, @args;
377 553
378 aio_rename "$runtime~", $runtime 554 wantarray ? @res : $res[-1]
379 and return; 555}
380 556
557=item $coin = coin_from_name $name
558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
381 1 633 }
634}
635
636sub db_put($$$) {
637 BDB::dbreq_pri 4;
638 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
639}
640
641=item cf::cache $id => [$paths...], $processversion => $process
642
643Generic caching function that returns the value of the resource $id,
644caching and regenerating as required.
645
646This function can block.
647
648=cut
649
650sub cache {
651 my ($id, $src, $processversion, $process) = @_;
652
653 my $meta =
654 join "\x00",
655 $processversion,
656 map {
657 aio_stat $_
658 and Carp::croak "$_: $!";
659
660 ($_, (stat _)[7,9])
661 } @$src;
662
663 my $dbmeta = db_get cache => "$id/meta";
664 if ($dbmeta ne $meta) {
665 # changed, we may need to process
666
667 my @data;
668 my $md5;
669
670 for (0 .. $#$src) {
671 0 <= aio_load $src->[$_], $data[$_]
672 or Carp::croak "$src->[$_]: $!";
673 }
674
675 # if processing is expensive, check
676 # checksum first
677 if (1) {
678 $md5 =
679 join "\x00",
680 $processversion,
681 map {
682 cf::cede_to_tick;
683 ($src->[$_], Digest::MD5::md5_hex $data[$_])
684 } 0.. $#$src;
685
686
687 my $dbmd5 = db_get cache => "$id/md5";
688 if ($dbmd5 eq $md5) {
689 db_put cache => "$id/meta", $meta;
690
691 return db_get cache => "$id/data";
692 }
693 }
694
695 my $t1 = Time::HiRes::time;
696 my $data = $process->(\@data);
697 my $t2 = Time::HiRes::time;
698
699 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
700
701 db_put cache => "$id/data", $data;
702 db_put cache => "$id/md5" , $md5;
703 db_put cache => "$id/meta", $meta;
704
705 return $data;
706 }
707
708 db_get cache => "$id/data"
709}
710
711=item cf::datalog type => key => value, ...
712
713Log a datalog packet of the given type with the given key-value pairs.
714
715=cut
716
717sub datalog($@) {
718 my ($type, %kv) = @_;
719 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 720}
383 721
384=back 722=back
385 723
386=cut 724=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
395 733
396In the following description, CLASS can be any of C<global>, C<object> 734In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 735C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 736Deliantra).
399 737
400=over 4 738=over 4
401 739
402=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
403 741
566 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
567 905
568 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 910
573 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 912 my $pkg = shift @arg;
575 913
576 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
606 } 944 }
607 945
608 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
609 } else { 947 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 949 }
612 950
613 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
614} 952}
615 953
617 if (ref $_[0]) { 955 if (ref $_[0]) {
618 _object_attach @_; 956 _object_attach @_;
619 } else { 957 } else {
620 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
621 } 959 }
960 _recalc_want;
622}; 961};
623 962
624# all those should be optimised 963# all those should be optimised
625sub cf::attachable::detach { 964sub cf::attachable::detach {
626 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
630 reattach ($obj); 969 reattach ($obj);
631 } else { 970 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
633 } 972 }
973 _recalc_want;
634}; 974};
635 975
636sub cf::attachable::attached { 976sub cf::attachable::attached {
637 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
638 978
653 "; 993 ";
654 die if $@; 994 die if $@;
655} 995}
656 996
657our $override; 997our $override;
658our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 998our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659 999
660sub override { 1000sub override {
661 $override = 1; 1001 $override = 1;
662 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
663} 1003}
664 1004
665sub do_invoke { 1005sub do_invoke {
666 my $event = shift; 1006 my $event = shift;
667 my $callbacks = shift; 1007 my $callbacks = shift;
668 1008
669 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
670 1010
671 local $override; 1011 local $override;
672 1012
673 for (@$callbacks) { 1013 for (@$callbacks) {
674 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
683 } 1023 }
684 1024
685 0 1025 0
686} 1026}
687 1027
688=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689 1029
690=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691 1031
692Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
693 1033
694This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1034This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695removed in future versions), and there is no public API to access override 1035removed in future versions), and there is no public API to access override
696results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 1037
698=back 1038=back
699 1039
700=cut 1040=cut
701 1041
702############################################################################# 1042#############################################################################
703# object support 1043# object support
1044
1045sub _object_equal($$);
1046sub _object_equal($$) {
1047 my ($a, $b) = @_;
1048
1049 return 0 unless (ref $a) eq (ref $b);
1050
1051 if ("HASH" eq ref $a) {
1052 my @ka = keys %$a;
1053 my @kb = keys %$b;
1054
1055 return 0 if @ka != @kb;
1056
1057 for (0 .. $#ka) {
1058 return 0 unless $ka[$_] eq $kb[$_];
1059 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1060 }
1061
1062 } elsif ("ARRAY" eq ref $a) {
1063
1064 return 0 if @$a != @$b;
1065
1066 for (0 .. $#$a) {
1067 return 0 unless _object_equal $a->[$_], $b->[$_];
1068 }
1069
1070 } elsif ($a ne $b) {
1071 return 0;
1072 }
1073
1074 1
1075}
1076
1077our $SLOW_MERGES;#d#
1078sub _can_merge {
1079 my ($ob1, $ob2) = @_;
1080
1081 ++$SLOW_MERGES;#d#
1082
1083 # we do the slow way here
1084 return _object_equal $ob1, $ob2
1085}
704 1086
705sub reattach { 1087sub reattach {
706 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 1089 my ($obj) = @_;
708 1090
729cf::attachable->attach ( 1111cf::attachable->attach (
730 prio => -1000000, 1112 prio => -1000000,
731 on_instantiate => sub { 1113 on_instantiate => sub {
732 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
733 1115
734 $data = from_json $data; 1116 $data = decode_json $data;
735 1117
736 for (@$data) { 1118 for (@$data) {
737 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
738 1120
739 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
755sub object_freezer_save { 1137sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
757 1139
758 sync_job { 1140 sync_job {
759 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
762 1145
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
767 close $fh; 1150 aio_close $fh;
768 1151
769 if (@$objs) { 1152 if (@$objs) {
770 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
772 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
774 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
775 close $fh; 1158 aio_close $fh;
776 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
777 } 1160 }
778 } else { 1161 } else {
779 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
780 } 1163 }
785 } 1168 }
786 } else { 1169 } else {
787 aio_unlink $filename; 1170 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
789 } 1172 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1173 };
797} 1174}
798 1175
799sub object_freezer_as_string { 1176sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
801 1178
806 1183
807sub object_thawer_load { 1184sub object_thawer_load {
808 my ($filename) = @_; 1185 my ($filename) = @_;
809 1186
810 my ($data, $av); 1187 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1188
815 (aio_load $filename, $data) >= 0 1189 (aio_load $filename, $data) >= 0
816 or return; 1190 or return;
817 1191
818 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
820 or return; 1194 or return;
1195
821 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
822 } 1198 }
823 1199
1200 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
826 return ($data, $av); 1204 ($data, $av)
827} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
828 1212
829############################################################################# 1213#############################################################################
830# command handling &c 1214# command handling &c
831 1215
832=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1230}
847 1231
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1233
850Register a callbackf ro execution when the client sends an extcmd packet. 1234Register a callback for execution when the client sends an (synchronous)
1235extcmd packet. Ext commands will be processed in the order they are
1236received by the server, like other user commands. The first argument is
1237the logged-in player. Ext commands can only be processed after a player
1238has logged in successfully.
851 1239
852If the callback returns something, it is sent back as if reply was being 1240If the callback returns something, it is sent back as if reply was being
853called. 1241called.
854 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
855=cut 1254=cut
856 1255
857sub register_extcmd { 1256sub register_extcmd {
858 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
859 1258
860 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
861} 1266}
862 1267
863cf::player->attach ( 1268cf::player->attach (
864 on_command => sub { 1269 on_command => sub {
865 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
874 cf::override; 1279 cf::override;
875 }, 1280 },
876 on_extcmd => sub { 1281 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
878 1283
879 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1285
881 if (ref $msg) { 1286 if (ref $msg) {
1287 my ($type, $reply, @payload) =
1288 "ARRAY" eq ref $msg
1289 ? @$msg
1290 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291
1292 my @reply;
1293
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
887 } else { 1301 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1303 }
890 1304
891 cf::override; 1305 cf::override;
892 }, 1306 },
893); 1307);
894 1308
895sub load_extension {
896 my ($path) = @_;
897
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
899 my $base = $1;
900 my $pkg = $1;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 }
923 die $@;
924 }
925
926 push @EXTS, $pkg;
927}
928
929sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
930 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1314 next unless -r $path;
932 eval { 1315
933 load_extension $ext; 1316 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1317 my $base = $1;
1318 my $pkg = $1;
1319 $pkg =~ s/[^[:word:]]/_/g;
1320 $pkg = "ext::$pkg";
1321
1322 open my $fh, "<:utf8", $path
1323 or die "$path: $!";
1324
1325 my $source = do { local $/; <$fh> };
1326
1327 my %ext = (
1328 path => $path,
1329 base => $base,
1330 pkg => $pkg,
1331 );
1332
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335
1336 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n"
1339 . $source
1340 . "\n};\n1";
1341
1342 $todo{$base} = \%ext;
1343 }
1344
1345 my %done;
1346 while (%todo) {
1347 my $progress;
1348
1349 while (my ($k, $v) = each %todo) {
1350 for (split /,\s*/, $v->{meta}{depends}) {
1351 goto skip
1352 unless exists $done{$_};
1353 }
1354
1355 warn "... loading '$k' into '$v->{pkg}'\n";
1356
1357 unless (eval $v->{source}) {
1358 my $msg = $@ ? "$v->{path}: $@\n"
1359 : "$v->{base}: extension inactive.\n";
1360
1361 if (exists $v->{meta}{mandatory}) {
1362 warn $msg;
1363 cf::cleanup "mandatory extension failed to load, exiting.";
1364 }
1365
1366 warn $msg;
1367 }
1368
1369 $done{$k} = delete $todo{$k};
1370 push @EXTS, $v->{pkg};
1371 $progress = 1;
934 1 1372 }
935 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
936 } 1378 };
937} 1379}
938 1380
939############################################################################# 1381#############################################################################
940 1382
1383=back
1384
941=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
942 1386
943Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
944 1388
945=cut 1389=cut
950 1394
951=head3 cf::player 1395=head3 cf::player
952 1396
953=over 4 1397=over 4
954 1398
1399=item cf::player::num_playing
1400
1401Returns the official number of playing players, as per the Crossfire metaserver rules.
1402
1403=cut
1404
1405sub num_playing {
1406 scalar grep
1407 $_->ob->map
1408 && !$_->hidden
1409 && !$_->ob->flag (cf::FLAG_WIZ),
1410 cf::player::list
1411}
1412
955=item cf::player::find $login 1413=item cf::player::find $login
956 1414
957Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
958 1416
959=cut 1417=cut
960 1418
961sub playerdir($) { 1419sub playerdir($) {
962 cf::localdir 1420 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1421 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1422}
968 1423
969sub path($) { 1424sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1425 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1426
972 (playerdir $login) . "/$login.pl" 1427 (playerdir $login) . "/playerdata"
973} 1428}
974 1429
975sub find_active($) { 1430sub find_active($) {
976 $cf::PLAYER{$_[0]} 1431 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1432 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1445 my $login = $_[0];
991 1446
992 my $guard = cf::lock_acquire "user_find:$login"; 1447 my $guard = cf::lock_acquire "user_find:$login";
993 1448
994 $cf::PLAYER{$_[0]} || do { 1449 $cf::PLAYER{$_[0]} || do {
995 my $pl = load_pl path $login 1450 # rename old playerfiles to new ones
1451 #TODO: remove when no longer required
1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1455 aio_unlink +(playerdir $login) . "/$login.pl";
1456
1457 my $f = new_from_file cf::object::thawer path $login
996 or return; 1458 or return;
1459
1460 my $pl = cf::player::load_pl $f
1461 or return;
1462
1463 local $cf::PLAYER_LOADING{$login} = $pl;
1464 $f->resolve_delayed_derefs;
997 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
998 } 1466 }
999 } 1467 }
1000} 1468}
1001 1469
1010 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1011 1479
1012 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1014 1482
1483 cf::get_slot 0.01;
1484
1015 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1016 Coro::cede; 1486 cf::cede_to_tick;
1017} 1487}
1018 1488
1019sub new($) { 1489sub new($) {
1020 my ($login) = @_; 1490 my ($login) = @_;
1021 1491
1027 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1028 1498
1029 $self 1499 $self
1030} 1500}
1031 1501
1502=item $player->send_msg ($channel, $msg, $color, [extra...])
1503
1504=cut
1505
1506sub send_msg {
1507 my $ns = shift->ns
1508 or return;
1509 $ns->send_msg (@_);
1510}
1511
1032=item $pl->quit_character 1512=item $pl->quit_character
1033 1513
1034Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1036 1516
1037=cut 1517=cut
1038 1518
1039sub quit_character { 1519sub quit_character {
1040 my ($pl) = @_; 1520 my ($pl) = @_;
1041 1521
1522 my $name = $pl->ob->name;
1523
1042 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1043 $pl->password ("*"); # this should lock out the player until we nuked the dir 1525 $pl->password ("*"); # this should lock out the player until we nuked the dir
1044 1526
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1047 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1048 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1049 1533
1050 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1536 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1537 delete $cf::PLAYER{$pl->ob->name};
1054 $pl->destroy; 1538 $pl->destroy;
1539
1540 my $prefix = qr<^~\Q$name\E/>;
1541
1542 # nuke player maps
1543 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1544
1055 IO::AIO::aio_rmtree $temp; 1545 IO::AIO::aio_rmtree $temp;
1546}
1547
1548=item $pl->kick
1549
1550Kicks a player out of the game. This destroys the connection.
1551
1552=cut
1553
1554sub kick {
1555 my ($pl, $kicker) = @_;
1556
1557 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1558 $pl->killer ("kicked");
1559 $pl->ns->destroy;
1056} 1560}
1057 1561
1058=item cf::player::list_logins 1562=item cf::player::list_logins
1059 1563
1060Returns am arrayref of all valid playernames in the system, can take a 1564Returns am arrayref of all valid playernames in the system, can take a
1061while and may block, so not sync_job-capable, ever. 1565while and may block, so not sync_job-capable, ever.
1062 1566
1063=cut 1567=cut
1064 1568
1065sub list_logins { 1569sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1570 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1571 or return [];
1068 1572
1069 my @logins; 1573 my @logins;
1070 1574
1071 for my $login (@$dirs) { 1575 for my $login (@$dirs) {
1576 my $path = path $login;
1577
1578 # a .pst is a dead give-away for a valid player
1579 # if no pst file found, open and chekc for blocked users
1580 if (aio_stat "$path.pst") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1075 1585
1076 utf8::decode $login; 1586 utf8::decode $login;
1077 push @logins, $login; 1587 push @logins, $login;
1078 } 1588 }
1079 1589
1106 } 1616 }
1107 1617
1108 \@paths 1618 \@paths
1109} 1619}
1110 1620
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1622
1623Expand crossfire pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1112 1715
1113Sends an ext reply to the player. 1716Sends an ext reply to the player.
1114 1717
1115=cut 1718=cut
1116 1719
1117sub ext_reply($$$%) { 1720sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1119 1722
1120 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1724}
1124 1725
1125package cf; 1726=item $player->ext_msg ($type, @msg)
1727
1728Sends an ext event to the client.
1729
1730=cut
1731
1732sub ext_msg($$@) {
1733 my ($self, $type, @msg) = @_;
1734
1735 $self->ns->ext_msg ($type, @msg);
1736}
1737
1738=head3 cf::region
1739
1740=over 4
1741
1742=cut
1743
1744package cf::region;
1745
1746=item cf::region::find_by_path $path
1747
1748Tries to decuce the likely region for a map knowing only its path.
1749
1750=cut
1751
1752sub find_by_path($) {
1753 my ($path) = @_;
1754
1755 my ($match, $specificity);
1756
1757 for my $region (list) {
1758 if ($region->{match} && $path =~ $region->{match}) {
1759 ($match, $specificity) = ($region, $region->specificity)
1760 if $region->specificity > $specificity;
1761 }
1762 }
1763
1764 $match
1765}
1126 1766
1127=back 1767=back
1128
1129 1768
1130=head3 cf::map 1769=head3 cf::map
1131 1770
1132=over 4 1771=over 4
1133 1772
1145our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1146our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1147 1786
1148sub generate_random_map { 1787sub generate_random_map {
1149 my ($self, $rmp) = @_; 1788 my ($self, $rmp) = @_;
1789
1790 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791
1150 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1151 $self->_create_random_map ( 1793 $self->_create_random_map (
1152 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1188 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1189 1831
1190 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1191 local $self->{path}; 1833 local $self->{path};
1192 local $self->{load_path}; 1834 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1835
1196 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1197} 1837}
1198 1838
1199sub normalise { 1839sub normalise {
1246 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1247 return $self; 1887 return $self;
1248 } 1888 }
1249 } 1889 }
1250 1890
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1892 ()
1253} 1893}
1254 1894
1255sub init { 1895sub init {
1256 my ($self) = @_; 1896 my ($self) = @_;
1271 1911
1272# the original (read-only) location 1912# the original (read-only) location
1273sub load_path { 1913sub load_path {
1274 my ($self) = @_; 1914 my ($self) = @_;
1275 1915
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1916 "$MAPDIR/$self->{path}.map"
1277} 1917}
1278 1918
1279# the temporary/swap location 1919# the temporary/swap location
1280sub save_path { 1920sub save_path {
1281 my ($self) = @_; 1921 my ($self) = @_;
1282 1922
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1924 "$TMPDIR/$path.map"
1285} 1925}
1286 1926
1287# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1288sub uniq_path { 1928sub uniq_path {
1289 my ($self) = @_; 1929 my ($self) = @_;
1290 1930
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1932 "$UNIQUEDIR/$path"
1293} 1933}
1294 1934
1295# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1296# all maps in C++... 1936# all maps in C++...
1297sub change_all_map_light { 1937sub change_all_map_light {
1299 1939
1300 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1302} 1942}
1303 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1304sub unlink_save { 1952sub unlink_save {
1305 my ($self) = @_; 1953 my ($self) = @_;
1306 1954
1307 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1958}
1316 1959
1317sub load_header_from($) { 1960sub load_header_from($) {
1318 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1319 1962
1320 utf8::encode $path; 1963 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1326 1972
1327 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1328 1974
1329 1 1975 1
1330} 1976}
1369 $self->load_header_orig 2015 $self->load_header_orig
1370 or return; 2016 or return;
1371 $self->prepare_orig; 2017 $self->prepare_orig;
1372 } 2018 }
1373 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
2025
1374 1 2026 1
1375} 2027}
1376 2028
1377sub find; 2029sub find;
1378sub find { 2030sub find {
1379 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1380 2032
1381 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1382 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1384 2037
1385 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1386 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1387 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1388 or return; 2043 or return;
1389 2044
1390 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1391 2046
1392 $map->load_header 2047 $map->load_header
1393 or return; 2048 or return;
1394 2049
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1398 $map->reset; 2055 $map->reset;
1399 undef $guard;
1400 return find $path; 2056 return find $path;
1401 } 2057 }
1402 2058
1403 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1404 } 2060 }
1411 my ($self) = @_; 2067 my ($self) = @_;
1412 2068
1413 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1414 2070
1415 my $path = $self->{path}; 2071 my $path = $self->{path};
2072
2073 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1417 2075
2076 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 2078
1420 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1421 2080
1422 $self->alloc; 2081 $self->alloc;
1423 2082
1424 $self->pre_load; 2083 $self->pre_load;
2084 cf::cede_to_tick;
1425 2085
1426 $self->_load_objects ($self->{load_path}, 1) 2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
2088 $self->_load_objects ($f)
1427 or return; 2089 or return;
1428 2090
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1431 2093
1432 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 2095 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 2098 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1437 } 2102 }
1438 } 2103 }
1439 2104
1440 Coro::cede; 2105 $f->resolve_delayed_derefs;
1441 2106
2107 cf::cede_to_tick;
1442 # now do the right thing for maps 2108 # now do the right thing for maps
1443 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede;
1450 $self->set_darkness_map;
1451 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 2111 unless $self->difficulty;
1453 Coro::cede; 2112 cf::cede_to_tick;
2113
2114 unless ($self->{deny_activate}) {
2115 $self->decay_objects;
2116 $self->fix_auto_apply;
2117 $self->update_buttons;
2118 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick;
1454 $self->activate; 2121 $self->activate;
2122 }
2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
2127 $self->in_memory (cf::MAP_ACTIVE);
1455 } 2128 }
1456 2129
1457 $self->post_load; 2130 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 2131}
1461 2132
1462sub customise_for { 2133sub customise_for {
1463 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1464 2135
1465 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 2137 if $self->per_player;
1467 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1468 $self 2142 $self
1469} 2143}
1470 2144
1471# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1472sub load_diag { 2146sub load_neighbours {
1473 my ($map) = @_; 2147 my ($map) = @_;
1474 2148
1475 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1476 2150
1477 for (0 .. 3) { 2151 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1479 or next; 2153 or next;
1480 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1481 or next; 2155 or next;
1482 $neigh->load; 2156 $neigh->load;
1483 2157
2158 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2161 }
1487 2162
1488 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1490 or next; 2166 or next;
1491 $neigh->load; 2167 $neigh->load;
1492 } 2168 }
1493} 2169}
1494 2170
1499} 2175}
1500 2176
1501sub do_load_sync { 2177sub do_load_sync {
1502 my ($map) = @_; 2178 my ($map) = @_;
1503 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1504 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1505} 2184}
1506 2185
1507our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1509 2188
1510sub find_async { 2189sub find_async {
1511 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1512 2191
1513 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1514 2193
1515 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517 } 2196 }
1518 2197
1519 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1520 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1521 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2205 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2206 $map->load if $v;
2207 }
1526 2208
1527 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1528 } 2210 }
1529 } 2211 }
1530 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1531 }; 2213 };
1532 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1535} 2217}
1536 2218
1537sub save { 2219sub save {
1538 my ($self) = @_; 2220 my ($self) = @_;
1539 2221
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2223
1542 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1543 2225
1544 return unless $self->dirty; 2226 return unless $self->dirty;
1545 2227
1551 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1552 2234
1553 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1554 2236
1555 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1556 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1557 }; 2240 };
2241
2242 cf::get_slot 0.02;
1558 2243
1559 if ($uniq) { 2244 if ($uniq) {
1560 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1562 } else { 2247 } else {
1568 my ($self) = @_; 2253 my ($self) = @_;
1569 2254
1570 # save first because save cedes 2255 # save first because save cedes
1571 $self->save; 2256 $self->save;
1572 2257
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2259
1575 return if $self->players; 2260 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1577 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1578 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2268 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2269}
1582 2270
1583sub reset_at { 2271sub reset_at {
1584 my ($self) = @_; 2272 my ($self) = @_;
1585 2273
1586 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1589 2276
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 2279
1603 my ($self) = @_; 2290 my ($self) = @_;
1604 2291
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2293
1607 return if $self->players; 2294 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2295
1610 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1611 2297
1612 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1613 2299
1614 # need to save uniques path 2300 # need to save uniques path
1615 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1619 if $uniq; 2305 if $uniq;
1620 } 2306 }
1621 2307
1622 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1623 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2312 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2313
1628 $self->unlink_save; 2314 $self->unlink_save;
1629 $self->destroy; 2315 $self->destroy;
1630} 2316}
1631 2317
1632my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1633 2319
1634sub nuke { 2320sub nuke {
1635 my ($self) = @_; 2321 my ($self) = @_;
1636 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1637 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1638 2327
1639 $self->unlink_save; 2328 $self->unlink_save;
1640 2329
1641 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2335
1647 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1648 2338
1649 $self->reset; # polite request, might not happen 2339 $self->reset; # polite request, might not happen
2340}
2341
2342=item $maps = cf::map::tmp_maps
2343
2344Returns an arrayref with all map paths of currently instantiated and saved
2345maps. May block.
2346
2347=cut
2348
2349sub tmp_maps() {
2350 [
2351 map {
2352 utf8::decode $_;
2353 /\.map$/
2354 ? normalise $_
2355 : ()
2356 } @{ aio_readdir $TMPDIR or [] }
2357 ]
2358}
2359
2360=item $maps = cf::map::random_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363random maps. May block.
2364
2365=cut
2366
2367sub random_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise "?random/$_"
2373 : ()
2374 } @{ aio_readdir $RANDOMDIR or [] }
2375 ]
1650} 2376}
1651 2377
1652=item cf::map::unique_maps 2378=item cf::map::unique_maps
1653 2379
1654Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2381instantiated unique items. May block.
1656 2382
1657=cut 2383=cut
1658 2384
1659sub unique_maps() { 2385sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2386 [
1661 or return; 2387 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2388 utf8::decode $_;
1667 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1668 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669 2391 ? ()
1670 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2394 ]
1672
1673 \@paths
1674} 2395}
1675
1676package cf;
1677 2396
1678=back 2397=back
1679 2398
1680=head3 cf::object 2399=head3 cf::object
1681 2400
1685 2404
1686=over 4 2405=over 4
1687 2406
1688=item $ob->inv_recursive 2407=item $ob->inv_recursive
1689 2408
1690Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1691 2411
1692=cut 2412=cut
1693 2413
1694sub inv_recursive_; 2414sub inv_recursive_;
1695sub inv_recursive_ { 2415sub inv_recursive_ {
1698 2418
1699sub inv_recursive { 2419sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1701} 2421}
1702 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1703package cf; 2451package cf;
1704 2452
1705=back 2453=back
1706 2454
1707=head3 cf::object::player 2455=head3 cf::object::player
1713Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714can be C<undef>. Does the right thing when the player is currently in a 2462can be C<undef>. Does the right thing when the player is currently in a
1715dialogue with the given NPC character. 2463dialogue with the given NPC character.
1716 2464
1717=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1718 2480
1719# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1720# with dialog boxes. 2482# with dialog boxes.
1721#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1722sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1724 2486
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2488
1727 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1729 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1732 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1733} 2514}
1734 2515
1735=item $player_object->may ("access") 2516=item $player_object->may ("access")
1736 2517
1737Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1784 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1785 2566
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2568
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1790 2571
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2573}
1793 2574
1794sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1796 2579
1797 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1798 2581
1799 unless ($map) { 2582 unless ($map) {
1800 # restore original map position 2583 # restore original map position
1814 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1817 2600
1818 $map->load; 2601 $map->load;
1819 $map->load_diag; 2602 $map->load_neighbours;
1820 2603
1821 return unless $self->contr->active; 2604 return unless $self->contr->active;
1822 $self->activate_recursive; 2605 $self->activate_recursive;
1823 2606
1824 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1826} 2609}
1827 2610
1828cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2612
1832 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1836 }; 2617be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2618
1842 # try to abort aborted map switching on player login :)
1843 # should happen only on crashes
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 # we need this sleep as the login has a concurrent enter_exit running
1852 # and this sleep increases chances of the player not ending up in scorn
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2619=cut
2620
2621our $GOTOGEN;
1863 2622
1864sub cf::object::player::goto { 2623sub cf::object::player::goto {
1865 my ($self, $path, $x, $y) = @_; 2624 my ($self, $path, $x, $y, $check, $done) = @_;
2625
2626 # do generation counting so two concurrent goto's will be executed in-order
2627 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866 2628
1867 $self->enter_link; 2629 $self->enter_link;
1868 2630
1869 (async { 2631 (async {
2632 $Coro::current->{desc} = "player::goto $path $x $y";
2633
2634 # *tag paths override both path and x|y
2635 if ($path =~ /^\*(.*)$/) {
2636 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2637 my $ob = $obs[rand @obs];
2638
2639 # see if we actually can go there
2640 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2641 $ob = $obs[rand @obs];
2642 } else {
2643 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2644 }
2645 # else put us there anyways for now #d#
2646
2647 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2648 } else {
2649 ($path, $x, $y) = (undef, undef, undef);
2650 }
2651 }
2652
1870 my $map = eval { 2653 my $map = eval {
1871 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
2655
2656 if ($map) {
1872 $map = $map->customise_for ($self) if $map; 2657 $map = $map->customise_for ($self);
2658 $map = $check->($map) if $check && $map;
2659 } else {
2660 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661 }
2662
1873 $map 2663 $map
2664 };
2665
2666 if ($@) {
2667 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2668 LOG llevError | logBacktrace, Carp::longmess $@;
1874 } or 2669 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2670
2671 if ($gen == $self->{_goto_generation}) {
2672 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
2674 }
2675
2676 $done->() if $done;
1878 })->prio (1); 2677 })->prio (1);
1879} 2678}
1880 2679
1881=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
1882 2681
1902} 2701}
1903 2702
1904sub prepare_random_map { 2703sub prepare_random_map {
1905 my ($exit) = @_; 2704 my ($exit) = @_;
1906 2705
1907 my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
1910 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
1911 # that depends on the exit object 2708 # that depends on the exit object
1912 2709
1913 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
1915 if ($exit->map) { 2712 if ($exit->map) {
1916 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
1917 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
1918 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
1919 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
1920 } 2719 }
1921 2720
1922 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
1923 2722
1924 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
1927 2726
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2729 undef $fh;
1931 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
1932 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
1933 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
1934 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
1935 } 2738 }
1936} 2739}
1937 2740
1938sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
1939 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
1940 2743
1941 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
1942 2745
1943 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job
1945 cf::sync_job { prepare_random_map $exit };
1946 }
1947
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp;
1951
1952 $self->enter_link; 2746 $self->enter_link;
1953 2747
1954 (async { 2748 (async {
1955 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
1956 unless (eval { 2751 unless (eval {
2752 $self->deactivate_recursive; # just to be sure
2753
2754 # random map handling
2755 {
2756 my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758 prepare_random_map $exit
2759 if $exit->slaying eq "/!";
2760 }
2761
2762 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2763 my $x = $exit->stats->hp;
2764 my $y = $exit->stats->sp;
2765
1957 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
1958 2767
2768 # if exit is damned, update players death & WoR home-position
2769 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED);
2771
1959 1; 2772 1
1960 }) { 2773 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2775 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2778
1966 warn "ERROR in enter_exit: $@"; 2779 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2780 $self->leave_link;
1968 } 2781 }
1969 })->prio (1); 2782 })->prio (1);
1982 2795
1983sub cf::client::send_drawinfo { 2796sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2797 my ($self, $text, $flags) = @_;
1985 2798
1986 utf8::encode $text; 2799 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2800 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2801}
1989 2802
2803=item $client->send_msg ($channel, $msg, $color, [extra...])
2804
2805Send a drawinfo or msg packet to the client, formatting the msg for the
2806client if neccessary. C<$type> should be a string identifying the type of
2807the message, with C<log> being the default. If C<$color> is negative, suppress
2808the message unless the client supports the msg packet.
2809
2810=cut
2811
2812# non-persistent channels (usually the info channel)
2813our %CHANNEL = (
2814 "c/identify" => {
2815 id => "infobox",
2816 title => "Identify",
2817 reply => undef,
2818 tooltip => "Items recently identified",
2819 },
2820 "c/examine" => {
2821 id => "infobox",
2822 title => "Examine",
2823 reply => undef,
2824 tooltip => "Signs and other items you examined",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/uptime" => {
2851 id => "infobox",
2852 title => "Uptime",
2853 reply => undef,
2854 tooltip => "How long the server has been running since last restart",
2855 },
2856 "c/mapinfo" => {
2857 id => "infobox",
2858 title => "Map Info",
2859 reply => undef,
2860 tooltip => "Information related to the maps",
2861 },
2862 "c/party" => {
2863 id => "party",
2864 title => "Party",
2865 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party",
2867 },
2868);
2869
2870sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_;
2872
2873 $msg = $self->pl->expand_cfpod ($msg);
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel)
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id};
2885
2886 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel)
2891 if $self->can_msg;
2892 }
2893
2894 $channel = $channel->{id};
2895 }
2896
2897 return unless @extra || length $msg;
2898
2899 if ($self->can_msg) {
2900 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF;
2903
2904 $self->send_packet ("msg " . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2906 } else {
2907 if ($color >= 0) {
2908 # replace some tags by gcfclient-compatible ones
2909 for ($msg) {
2910 1 while
2911 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916 }
2917
2918 $color &= cf::NDI_COLOR_MASK;
2919
2920 utf8::encode $msg;
2921
2922 if (0 && $msg =~ /\[/) {
2923 # COMMAND/INFO
2924 $self->send_packet ("drawextinfo $color 10 8 $msg")
2925 } else {
2926 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927 $self->send_packet ("drawinfo $color $msg")
2928 }
2929 }
2930 }
2931}
2932
2933=item $client->ext_msg ($type, @msg)
2934
2935Sends an ext event to the client.
2936
2937=cut
2938
2939sub cf::client::ext_msg($$@) {
2940 my ($self, $type, @msg) = @_;
2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2945 push @msg, msgtype => "event_$type";
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2948}
2949
2950=item $client->ext_reply ($msgid, @msg)
2951
2952Sends an ext reply to the client.
2953
2954=cut
2955
2956sub cf::client::ext_reply($$@) {
2957 my ($self, $id, @msg) = @_;
2958
2959 if ($self->extcmd == 2) {
2960 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961 } elsif ($self->extcmd == 1) {
2962 #TODO: version 1, remove
2963 unshift @msg, msgtype => "reply", msgid => $id;
2964 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965 }
2966}
1990 2967
1991=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
1992 2969
1993Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2971the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2972C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996 2973
1997Queries can fail, so check the return code. Or don't, as queries will become 2974Queries can fail, so check the return code. Or don't, as queries will
1998reliable at some point in the future. 2975become reliable at some point in the future.
1999 2976
2000=cut 2977=cut
2001 2978
2002sub cf::client::query { 2979sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2011 utf8::encode $text; 2988 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 2990
2014 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2016} 2995}
2017 2996
2018cf::client->attach ( 2997cf::client->attach (
2998 on_connect => sub {
2999 my ($ns) = @_;
3000
3001 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3002 },
2019 on_reply => sub { 3003 on_reply => sub {
2020 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2021 3005
2022 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2023 # get handled first 3007 # get handled first
2035 } else { 3019 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 3021 }
2038 } 3022 }
2039 }, 3023 },
3024 on_exticmd => sub {
3025 my ($ns, $buf) = @_;
3026
3027 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028
3029 if (ref $msg) {
3030 my ($type, $reply, @payload) =
3031 "ARRAY" eq ref $msg
3032 ? @$msg
3033 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034
3035 my @reply;
3036
3037 if (my $cb = $EXTICMD{$type}) {
3038 @reply = $cb->($ns, @payload);
3039 }
3040
3041 $ns->ext_reply ($reply, @reply)
3042 if $reply;
3043
3044 } else {
3045 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046 }
3047
3048 cf::override;
3049 },
2040); 3050);
2041 3051
2042=item $client->async (\&cb) 3052=item $client->async (\&cb)
2043 3053
2044Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2085our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2087 3097
2088$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2089 3099
2090$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3100$safe->permit_only (Opcode::opset qw(
3101 :base_core :base_mem :base_orig :base_math
3102 grepstart grepwhile mapstart mapwhile
3103 sort time
3104));
2091 3105
2092# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2093 3107
2094=pod 3108=pod
2095 3109
2096The following fucntions and emthods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2097 3111
2098 cf::object contr pay_amount pay_player map 3112 cf::object
3113 contr pay_amount pay_player map x y force_find force_add destroy
3114 insert remove name archname title slaying race decrease split
3115
2099 cf::object::player player 3116 cf::object::player
2100 cf::player peaceful 3117 player
2101 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2102 3124
2103=cut 3125=cut
2104 3126
2105for ( 3127for (
2106 ["cf::object" => qw(contr pay_amount pay_player map)], 3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)],
2107 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2109 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2110) { 3134) {
2111 no strict 'refs'; 3135 no strict 'refs';
2182=back 3206=back
2183 3207
2184=cut 3208=cut
2185 3209
2186############################################################################# 3210#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257
2258#############################################################################
2259# the server's init and main functions 3211# the server's init and main functions
2260 3212
3213sub load_facedata($) {
3214 my ($path) = @_;
3215
3216 # HACK to clear player env face cache, we need some signal framework
3217 # for this (global event?)
3218 %ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221
3222 warn "loading facedata from $path\n";
3223
3224 my $facedata;
3225 0 < aio_load $path, $facedata
3226 or die "$path: $!";
3227
3228 $facedata = Coro::Storable::thaw $facedata;
3229
3230 $facedata->{version} == 2
3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
3232
3233 # patch in the exptable
3234 $facedata->{resource}{"res/exp_table"} = {
3235 type => FT_RSRC,
3236 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237 };
3238 cf::cede_to_tick;
3239
3240 {
3241 my $faces = $facedata->{faceinfo};
3242
3243 while (my ($face, $info) = each %$faces) {
3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3250
3251 cf::cede_to_tick;
3252 }
3253
3254 while (my ($face, $info) = each %$faces) {
3255 next unless $info->{smooth};
3256
3257 my $idx = cf::face::find $face
3258 or next;
3259
3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263 } else {
3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
3265 }
3266
3267 cf::cede_to_tick;
3268 }
3269 }
3270
3271 {
3272 my $anims = $facedata->{animinfo};
3273
3274 while (my ($anim, $info) = each %$anims) {
3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
3276 cf::cede_to_tick;
3277 }
3278
3279 cf::anim::invalidate_all; # d'oh
3280 }
3281
3282 {
3283 # TODO: for gcfclient pleasure, we should give resources
3284 # that gcfclient doesn't grok a >10000 face index.
3285 my $res = $facedata->{resource};
3286
3287 while (my ($name, $info) = each %$res) {
3288 if (defined $info->{type}) {
3289 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290 my $data;
3291
3292 if ($info->{type} & 1) {
3293 # prepend meta info
3294
3295 my $meta = $enc->encode ({
3296 name => $name,
3297 %{ $info->{meta} || {} },
3298 });
3299
3300 $data = pack "(w/a*)*", $meta, $info->{data};
3301 } else {
3302 $data = $info->{data};
3303 }
3304
3305 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306 cf::face::set_type $idx, $info->{type};
3307 } else {
3308 $RESOURCE{$name} = $info;
3309 }
3310
3311 cf::cede_to_tick;
3312 }
3313 }
3314
3315 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316
3317 1
3318}
3319
3320cf::global->attach (on_resource_update => sub {
3321 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325 my $sound = $soundconf->{compat}[$_]
3326 or next;
3327
3328 my $face = cf::face::find "sound/$sound->[1]";
3329 cf::sound::set $sound->[0] => $face;
3330 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331 }
3332
3333 while (my ($k, $v) = each %{$soundconf->{event}}) {
3334 my $face = cf::face::find "sound/$v";
3335 cf::sound::set $k => $face;
3336 }
3337 }
3338});
3339
3340register_exticmd fx_want => sub {
3341 my ($ns, $want) = @_;
3342
3343 while (my ($k, $v) = each %$want) {
3344 $ns->fx_want ($k, $v);
3345 }
3346};
3347
2261sub load_resources { 3348sub load_resource_file($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3349 my $guard = lock_acquire "load_resource_file";
3350
3351 my $status = load_resource_file_ $_[0];
3352 get_slot 0.1, 100;
3353 cf::arch::commit_load;
3354
3355 $status
3356}
3357
3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
3363 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 3364 or die "unable to load regions file\n";
2264}
2265 3365
2266sub cfg_load { 3366 for (cf::region::list) {
3367 $_->{match} = qr/$_->{match}/
3368 if exists $_->{match};
3369 }
3370}
3371
3372sub reload_facedata {
3373 load_facedata "$DATADIR/facedata"
3374 or die "unable to load facedata\n";
3375}
3376
3377sub reload_archetypes {
3378 load_resource_file "$DATADIR/archetypes"
3379 or die "unable to load archetypes\n";
3380}
3381
3382sub reload_treasures {
3383 load_resource_file "$DATADIR/treasures"
3384 or die "unable to load treasurelists\n";
3385}
3386
3387sub reload_resources {
3388 warn "reloading resource files...\n";
3389
3390 reload_facedata;
3391 reload_archetypes;
3392 reload_regions;
3393 reload_treasures;
3394
3395 warn "finished reloading resource files\n";
3396}
3397
3398sub init {
3399 my $guard = freeze_mainloop;
3400
3401 reload_resources;
3402}
3403
3404sub reload_config {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3405 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3406 or return;
2269 3407
2270 local $/; 3408 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3409 *CFG = YAML::Load <$fh>;
2272 3410
2273 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3411 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274 3412
2275 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3413 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3414 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2282 }; 3420 };
2283 warn $@ if $@; 3421 warn $@ if $@;
2284 } 3422 }
2285} 3423}
2286 3424
2287sub init {
2288 load_resources;
2289}
2290
2291sub main { 3425sub main {
2292 # we must not ever block the main coroutine 3426 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3427 local $Coro::idle = sub {
2294 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3428 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295 (async { 3429 (async {
2296 Event::one_event; 3430 $Coro::current->{desc} = "IDLE BUG HANDLER";
3431 EV::loop EV::LOOP_ONESHOT;
2297 })->prio (Coro::PRIO_MAX); 3432 })->prio (Coro::PRIO_MAX);
2298 }; 3433 };
2299 3434
2300 cfg_load; 3435 {
3436 my $guard = freeze_mainloop;
3437 reload_config;
2301 db_init; 3438 db_init;
2302 load_extensions; 3439 load_extensions;
2303 3440
2304 $TICK_WATCHER->start; 3441 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3442 evthread_start IO::AIO::poll_fileno;
3443 }
3444
2305 Event::loop; 3445 EV::loop;
2306} 3446}
2307 3447
2308############################################################################# 3448#############################################################################
2309# initialisation and cleanup 3449# initialisation and cleanup
2310 3450
2311# install some emergency cleanup handlers 3451# install some emergency cleanup handlers
2312BEGIN { 3452BEGIN {
3453 our %SIGWATCHER = ();
2313 for my $signal (qw(INT HUP TERM)) { 3454 for my $signal (qw(INT HUP TERM)) {
2314 Event->signal ( 3455 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2315 reentrant => 0,
2316 data => WF_AUTOCANCEL,
2317 signal => $signal,
2318 prio => 0,
2319 cb => sub {
2320 cf::cleanup "SIG$signal"; 3456 cf::cleanup "SIG$signal";
2321 },
2322 ); 3457 };
3458 }
3459}
3460
3461sub write_runtime_sync {
3462 my $runtime = "$LOCALDIR/runtime";
3463
3464 # first touch the runtime file to show we are still running:
3465 # the fsync below can take a very very long time.
3466
3467 IO::AIO::aio_utime $runtime, undef, undef;
3468
3469 my $guard = cf::lock_acquire "write_runtime";
3470
3471 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3472 or return;
3473
3474 my $value = $cf::RUNTIME + 90 + 10;
3475 # 10 is the runtime save interval, for a monotonic clock
3476 # 60 allows for the watchdog to kill the server.
3477
3478 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3479 and return;
3480
3481 # always fsync - this file is important
3482 aio_fsync $fh
3483 and return;
3484
3485 # touch it again to show we are up-to-date
3486 aio_utime $fh, undef, undef;
3487
3488 close $fh
3489 or return;
3490
3491 aio_rename "$runtime~", $runtime
3492 and return;
3493
3494 warn "runtime file written.\n";
3495
2323 } 3496 1
3497}
3498
3499our $uuid_lock;
3500our $uuid_skip;
3501
3502sub write_uuid_sync($) {
3503 $uuid_skip ||= $_[0];
3504
3505 return if $uuid_lock;
3506 local $uuid_lock = 1;
3507
3508 my $uuid = "$LOCALDIR/uuid";
3509
3510 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511 or return;
3512
3513 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3514 $uuid_skip = 0;
3515
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return;
3518
3519 # always fsync - this file is important
3520 aio_fsync $fh
3521 and return;
3522
3523 close $fh
3524 or return;
3525
3526 aio_rename "$uuid~", $uuid
3527 and return;
3528
3529 warn "uuid file written ($value).\n";
3530
3531 1
3532
3533}
3534
3535sub write_uuid($$) {
3536 my ($skip, $sync) = @_;
3537
3538 $sync ? write_uuid_sync $skip
3539 : async { write_uuid_sync $skip };
2324} 3540}
2325 3541
2326sub emergency_save() { 3542sub emergency_save() {
2327 my $freeze_guard = cf::freeze_mainloop; 3543 my $freeze_guard = cf::freeze_mainloop;
2328 3544
2334 # and maps saved/destroyed asynchronously. 3550 # and maps saved/destroyed asynchronously.
2335 warn "begin emergency player save\n"; 3551 warn "begin emergency player save\n";
2336 for my $login (keys %cf::PLAYER) { 3552 for my $login (keys %cf::PLAYER) {
2337 my $pl = $cf::PLAYER{$login} or next; 3553 my $pl = $cf::PLAYER{$login} or next;
2338 $pl->valid or next; 3554 $pl->valid or next;
3555 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339 $pl->save; 3556 $pl->save;
2340 } 3557 }
2341 warn "end emergency player save\n"; 3558 warn "end emergency player save\n";
2342 3559
2343 warn "begin emergency map save\n"; 3560 warn "begin emergency map save\n";
2349 warn "end emergency map save\n"; 3566 warn "end emergency map save\n";
2350 3567
2351 warn "begin emergency database checkpoint\n"; 3568 warn "begin emergency database checkpoint\n";
2352 BDB::db_env_txn_checkpoint $DB_ENV; 3569 BDB::db_env_txn_checkpoint $DB_ENV;
2353 warn "end emergency database checkpoint\n"; 3570 warn "end emergency database checkpoint\n";
3571
3572 warn "begin write uuid\n";
3573 write_uuid_sync 1;
3574 warn "end write uuid\n";
2354 }; 3575 };
2355 3576
2356 warn "leave emergency perl save\n"; 3577 warn "leave emergency perl save\n";
2357} 3578}
2358 3579
2361 3582
2362 warn Carp::longmess "post_cleanup backtrace" 3583 warn Carp::longmess "post_cleanup backtrace"
2363 if $make_core; 3584 if $make_core;
2364} 3585}
2365 3586
2366sub reload() { 3587sub do_reload_perl() {
2367 # can/must only be called in main 3588 # can/must only be called in main
2368 if ($Coro::current != $Coro::main) { 3589 if ($Coro::current != $Coro::main) {
2369 warn "can only reload from main coroutine"; 3590 warn "can only reload from main coroutine";
2370 return; 3591 return;
2371 } 3592 }
2373 warn "reloading..."; 3594 warn "reloading...";
2374 3595
2375 warn "entering sync_job"; 3596 warn "entering sync_job";
2376 3597
2377 cf::sync_job { 3598 cf::sync_job {
2378 cf::write_runtime; # external watchdog should not bark 3599 cf::write_runtime_sync; # external watchdog should not bark
2379 cf::emergency_save; 3600 cf::emergency_save;
2380 cf::write_runtime; # external watchdog should not bark 3601 cf::write_runtime_sync; # external watchdog should not bark
2381 3602
2382 warn "syncing database to disk"; 3603 warn "syncing database to disk";
2383 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2384 3605
2385 # if anything goes wrong in here, we should simply crash as we already saved 3606 # if anything goes wrong in here, we should simply crash as we already saved
2386
2387 warn "cancelling all WF_AUTOCANCEL watchers";
2388 for (Event::all_watchers) {
2389 $_->cancel if $_->data & WF_AUTOCANCEL;
2390 }
2391 3607
2392 warn "flushing outstanding aio requests"; 3608 warn "flushing outstanding aio requests";
2393 for (;;) { 3609 for (;;) {
2394 BDB::flush; 3610 BDB::flush;
2395 IO::AIO::flush; 3611 IO::AIO::flush;
2396 Coro::cede; 3612 Coro::cede_notself;
2397 last unless IO::AIO::nreqs || BDB::nreqs; 3613 last unless IO::AIO::nreqs || BDB::nreqs;
2398 warn "iterate..."; 3614 warn "iterate...";
2399 } 3615 }
3616
3617 ++$RELOAD;
2400 3618
2401 warn "cancelling all extension coros"; 3619 warn "cancelling all extension coros";
2402 $_->cancel for values %EXT_CORO; 3620 $_->cancel for values %EXT_CORO;
2403 %EXT_CORO = (); 3621 %EXT_CORO = ();
2404 3622
2405 warn "removing commands"; 3623 warn "removing commands";
2406 %COMMAND = (); 3624 %COMMAND = ();
2407 3625
2408 warn "removing ext commands"; 3626 warn "removing ext/exti commands";
2409 %EXTCMD = (); 3627 %EXTCMD = ();
3628 %EXTICMD = ();
2410 3629
2411 warn "unloading/nuking all extensions"; 3630 warn "unloading/nuking all extensions";
2412 for my $pkg (@EXTS) { 3631 for my $pkg (@EXTS) {
2413 warn "... unloading $pkg"; 3632 warn "... unloading $pkg";
2414 3633
2444 Symbol::delete_package "safe::$_" 3663 Symbol::delete_package "safe::$_"
2445 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3664 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446 3665
2447 warn "unloading cf.pm \"a bit\""; 3666 warn "unloading cf.pm \"a bit\"";
2448 delete $INC{"cf.pm"}; 3667 delete $INC{"cf.pm"};
3668 delete $INC{"cf/pod.pm"};
2449 3669
2450 # don't, removes xs symbols, too, 3670 # don't, removes xs symbols, too,
2451 # and global variables created in xs 3671 # and global variables created in xs
2452 #Symbol::delete_package __PACKAGE__; 3672 #Symbol::delete_package __PACKAGE__;
2453 3673
2456 warn "reloading cf.pm"; 3676 warn "reloading cf.pm";
2457 require cf; 3677 require cf;
2458 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3678 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459 3679
2460 warn "loading config and database again"; 3680 warn "loading config and database again";
2461 cf::cfg_load; 3681 cf::reload_config;
2462 3682
2463 warn "loading extensions"; 3683 warn "loading extensions";
2464 cf::load_extensions; 3684 cf::load_extensions;
2465 3685
2466 warn "reattaching attachments to objects/players"; 3686 warn "reattaching attachments to objects/players";
2467 _global_reattach; 3687 _global_reattach; # objects, sockets
2468 warn "reattaching attachments to maps"; 3688 warn "reattaching attachments to maps";
2469 reattach $_ for values %MAP; 3689 reattach $_ for values %MAP;
2470 3690 warn "reattaching attachments to players";
2471 warn "loading reloadable resources"; 3691 reattach $_ for values %PLAYER;
2472 load_resources;
2473 3692
2474 warn "leaving sync_job"; 3693 warn "leaving sync_job";
2475 3694
2476 1 3695 1
2477 } or do { 3696 } or do {
2478 warn $@; 3697 warn $@;
2479 warn "error while reloading, exiting."; 3698 cf::cleanup "error while reloading, exiting.";
2480 exit 1;
2481 }; 3699 };
2482 3700
2483 warn "reloaded"; 3701 warn "reloaded";
2484}; 3702};
2485 3703
2486our $RELOAD_WATCHER; # used only during reload 3704our $RELOAD_WATCHER; # used only during reload
2487 3705
3706sub reload_perl() {
3707 # doing reload synchronously and two reloads happen back-to-back,
3708 # coro crashes during coro_state_free->destroy here.
3709
3710 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3711 do_reload_perl;
3712 undef $RELOAD_WATCHER;
3713 };
3714}
3715
2488register_command "reload" => sub { 3716register_command "reload" => sub {
2489 my ($who, $arg) = @_; 3717 my ($who, $arg) = @_;
2490 3718
2491 if ($who->flag (FLAG_WIZ)) { 3719 if ($who->flag (FLAG_WIZ)) {
2492 $who->message ("reloading server."); 3720 $who->message ("reloading server.");
2493 3721 async {
2494 # doing reload synchronously and two reloads happen back-to-back, 3722 $Coro::current->{desc} = "perl_reload";
2495 # coro crashes during coro_state_free->destroy here.
2496
2497 $RELOAD_WATCHER ||= Event->timer (
2498 reentrant => 0,
2499 after => 0,
2500 data => WF_AUTOCANCEL,
2501 cb => sub {
2502 reload; 3723 reload_perl;
2503 undef $RELOAD_WATCHER;
2504 },
2505 ); 3724 };
2506 } 3725 }
2507}; 3726};
2508 3727
2509unshift @INC, $LIBDIR; 3728unshift @INC, $LIBDIR;
2510 3729
2511my $bug_warning = 0; 3730my $bug_warning = 0;
2512 3731
2513$TICK_WATCHER = Event->timer ( 3732our @WAIT_FOR_TICK;
2514 reentrant => 0, 3733our @WAIT_FOR_TICK_BEGIN;
2515 parked => 1, 3734
2516 prio => 0, 3735sub wait_for_tick {
2517 at => $NEXT_TICK || $TICK, 3736 return if tick_inhibit || $Coro::current == $Coro::main;
2518 data => WF_AUTOCANCEL, 3737
2519 cb => sub { 3738 my $signal = new Coro::Signal;
3739 push @WAIT_FOR_TICK, $signal;
3740 $signal->wait;
3741}
3742
3743sub wait_for_tick_begin {
3744 return if tick_inhibit || $Coro::current == $Coro::main;
3745
3746 my $signal = new Coro::Signal;
3747 push @WAIT_FOR_TICK_BEGIN, $signal;
3748 $signal->wait;
3749}
3750
3751sub tick {
2520 if ($Coro::current != $Coro::main) { 3752 if ($Coro::current != $Coro::main) {
2521 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3753 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522 unless ++$bug_warning > 10; 3754 unless ++$bug_warning > 10;
2523 return; 3755 return;
2524 } 3756 }
2525 3757
2526 $NOW = Event::time;
2527
2528 cf::server_tick; # one server iteration 3758 cf::server_tick; # one server iteration
2529 $RUNTIME += $TICK;
2530 $NEXT_TICK += $TICK;
2531 3759
2532 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3760 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533 $NEXT_RUNTIME_WRITE = $NOW + 10; 3761 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534 Coro::async_pool { 3762 Coro::async_pool {
3763 $Coro::current->{desc} = "runtime saver";
2535 write_runtime 3764 write_runtime_sync
2536 or warn "ERROR: unable to write runtime file: $!"; 3765 or warn "ERROR: unable to write runtime file: $!";
2537 };
2538 } 3766 };
2539
2540
2541 $WAIT_FOR_TICK->broadcast;
2542 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544# my $AFTER = Event::time;
2545# warn $AFTER - $NOW;#d#
2546
2547 # if we are delayed by four ticks or more, skip them all
2548 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550 $TICK_WATCHER->at ($NEXT_TICK);
2551 $TICK_WATCHER->start;
2552 }, 3767 }
2553); 3768
3769 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3770 $sig->send;
3771 }
3772 while (my $sig = shift @WAIT_FOR_TICK) {
3773 $sig->send;
3774 }
3775
3776 $LOAD = ($NOW - $TICK_START) / $TICK;
3777 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778
3779 if (0) {
3780 if ($NEXT_TICK) {
3781 my $jitter = $TICK_START - $NEXT_TICK;
3782 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783 warn "jitter $JITTER\n";#d#
3784 }
3785 }
3786}
2554 3787
2555{ 3788{
2556 BDB::max_poll_time $TICK * 0.1; 3789 # configure BDB
2557 $BDB_POLL_WATCHER = Event->io ( 3790
2558 reentrant => 0,
2559 fd => BDB::poll_fileno,
2560 poll => 'r',
2561 prio => 0,
2562 data => WF_AUTOCANCEL,
2563 cb => \&BDB::poll_cb,
2564 );
2565 BDB::min_parallel 8; 3791 BDB::min_parallel 8;
2566 3792 BDB::max_poll_reqs $TICK * 0.1;
2567 BDB::set_sync_prepare { 3793 $AnyEvent::BDB::WATCHER->priority (1);
2568 my $status;
2569 my $current = $Coro::current;
2570 (
2571 sub {
2572 $status = $!;
2573 $current->ready; undef $current;
2574 },
2575 sub {
2576 Coro::schedule while defined $current;
2577 $! = $status;
2578 },
2579 )
2580 };
2581 3794
2582 unless ($DB_ENV) { 3795 unless ($DB_ENV) {
2583 $DB_ENV = BDB::db_env_create; 3796 $DB_ENV = BDB::db_env_create;
3797 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3798 | BDB::LOG_AUTOREMOVE, 1);
3799 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584 3801
2585 cf::sync_job { 3802 cf::sync_job {
2586 eval { 3803 eval {
2587 BDB::db_env_open 3804 BDB::db_env_open
2588 $DB_ENV, 3805 $DB_ENV,
2589 $BDB_ENV_DIR, 3806 $BDBDIR,
2590 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3807 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3808 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592 0666; 3809 0666;
2593 3810
2594 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3811 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597 $DB_ENV->set_lk_detect;
2598 }; 3812 };
2599 3813
2600 cf::cleanup "db_env_open(db): $@" if $@; 3814 cf::cleanup "db_env_open(db): $@" if $@;
2601 }; 3815 };
2602 } 3816 }
3817
3818 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3819 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3820 };
3821 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3822 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823 };
3824 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826 };
2603} 3827}
2604 3828
2605{ 3829{
3830 # configure IO::AIO
3831
2606 IO::AIO::min_parallel 8; 3832 IO::AIO::min_parallel 8;
2607
2608 undef $Coro::AIO::WATCHER;
2609 IO::AIO::max_poll_time $TICK * 0.1; 3833 IO::AIO::max_poll_time $TICK * 0.1;
2610 $AIO_POLL_WATCHER = Event->io ( 3834 $AnyEvent::AIO::WATCHER->priority (1);
2611 reentrant => 0,
2612 data => WF_AUTOCANCEL,
2613 fd => IO::AIO::poll_fileno,
2614 poll => 'r',
2615 prio => 6,
2616 cb => \&IO::AIO::poll_cb,
2617 );
2618} 3835}
3836
3837my $_log_backtrace;
3838
3839sub _log_backtrace {
3840 my ($msg, @addr) = @_;
3841
3842 $msg =~ s/\n//;
3843
3844 # limit the # of concurrent backtraces
3845 if ($_log_backtrace < 2) {
3846 ++$_log_backtrace;
3847 async {
3848 $Coro::current->{desc} = "abt $msg";
3849
3850 my @bt = fork_call {
3851 @addr = map { sprintf "%x", $_ } @addr;
3852 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3853 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3854 or die "addr2line: $!";
3855
3856 my @funcs;
3857 my @res = <$fh>;
3858 chomp for @res;
3859 while (@res) {
3860 my ($func, $line) = splice @res, 0, 2, ();
3861 push @funcs, "[$func] $line";
3862 }
3863
3864 @funcs
3865 };
3866
3867 LOG llevInfo, "[ABT] $msg\n";
3868 LOG llevInfo, "[ABT] $_\n" for @bt;
3869 --$_log_backtrace;
3870 };
3871 } else {
3872 LOG llevInfo, "[ABT] $msg\n";
3873 LOG llevInfo, "[ABT] [suppressed]\n";
3874 }
3875}
3876
3877# load additional modules
3878use cf::pod;
2619 3879
2620END { cf::emergency_save } 3880END { cf::emergency_save }
2621 3881
26221 38821
2623 3883

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