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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.436 by root, Sun Jun 15 20:32:51 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::AnyEvent;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
18use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
46use Coro::Storable;
47use Coro::Util ();
19 48
49use JSON::XS 2.01 ();
20use BDB (); 50use BDB ();
21use Data::Dumper; 51use Data::Dumper;
22use Digest::MD5; 52use Digest::MD5;
23use Fcntl; 53use Fcntl;
54use YAML ();
24use IO::AIO 2.32 (); 55use IO::AIO ();
25use YAML::Syck ();
26use Time::HiRes; 56use Time::HiRes;
27use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
28 59
60AnyEvent::detect;
61
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";
54our $WRITE_RUNTIME_WATCHER; 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(!)
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}
278 $WRITE_RUNTIME_WATCHER->start; 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($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
279 }; 429 }
280 $WRITE_RUNTIME_WATCHER->stop; 430};
281 $TICK_WATCHER->stop; 431
282 $guard 432sub get_slot($;$$) {
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 $sig->wait;
283} 444}
284 445
285=item cf::async { BLOCK } 446=item cf::async { BLOCK }
286 447
287Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
292 453
293BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
294 455
295=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
296 457
297The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
300 462
301If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
304fast or be very important. 466fast or be very important.
307 469
308sub sync_job(&) { 470sub sync_job(&) {
309 my ($job) = @_; 471 my ($job) = @_;
310 472
311 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
474 my $time = EV::time;
475
312 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
314 478
315 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
316 # (but this is cancel-safe) 480
317 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
318 482
319 my $busy = 1; 483 my $busy = 1;
320 my @res; 484 my @res;
321 485
322 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 488 @res = eval { $job->() };
324 warn $@ if $@; 489 warn $@ if $@;
325 undef $busy; 490 undef $busy;
326 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
327 492
328 while ($busy) { 493 while ($busy) {
329 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
330 } 498 }
499 }
500
501 my $time = EV::time - $time;
502
503 $TICK_START += $time; # do not account sync jobs to server load
331 504
332 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
333 } else { 506 } else {
334 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
335 508
355 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
356 529
357 $coro 530 $coro
358} 531}
359 532
360sub write_runtime { 533=item fork_call { }, $args
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362 534
363 my $runtime = cf::localdir . "/runtime"; 535Executes the given code block with the given arguments in a seperate
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.
364 539
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 540=cut
366 or return;
367 541
368 my $value = $cf::RUNTIME + 90 + 10; 542sub fork_call(&@) {
369 # 10 is the runtime save interval, for a monotonic clock 543 my ($cb, @args) = @_;
370 # 60 allows for the watchdog to kill the server.
371 544
372 (aio_write $fh, 0, (length $value), $value, 0) <= 0 545 # we seemingly have to make a local copy of the whole thing,
373 and return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
374 548
375 # always fsync - this file is important 549 my @res = Coro::Util::fork_eval {
376 aio_fsync $fh 550 reset_signals;
377 and return; 551 &$cb
552 }, @args;
378 553
379 close $fh 554 wantarray ? @res : $res[-1]
380 or return; 555}
381 556
382 aio_rename "$runtime~", $runtime 557=item $coin = coin_from_name $name
383 and return;
384 558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
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($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
385 1 633 }
634}
635
636sub db_put($$$) {
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 });
386} 720}
387 721
388=back 722=back
389 723
390=cut 724=cut
397attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
398to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
399 733
400In 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>
401C<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
402crossfire+). 736Deliantra).
403 737
404=over 4 738=over 4
405 739
406=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
407 741
570 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
571 905
572 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
573 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
574 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
575 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576 910
577 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
578 my $pkg = shift @arg; 912 my $pkg = shift @arg;
579 913
580 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
609 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
610 } 944 }
611 945
612 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
613 } else { 947 } else {
614 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
615 } 949 }
616 950
617 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
618} 952}
619 953
621 if (ref $_[0]) { 955 if (ref $_[0]) {
622 _object_attach @_; 956 _object_attach @_;
623 } else { 957 } else {
624 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
625 } 959 }
960 _recalc_want;
626}; 961};
627 962
628# all those should be optimised 963# all those should be optimised
629sub cf::attachable::detach { 964sub cf::attachable::detach {
630 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
633 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
634 reattach ($obj); 969 reattach ($obj);
635 } else { 970 } else {
636 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
637 } 972 }
973 _recalc_want;
638}; 974};
639 975
640sub cf::attachable::attached { 976sub cf::attachable::attached {
641 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
642 978
657 "; 993 ";
658 die if $@; 994 die if $@;
659} 995}
660 996
661our $override; 997our $override;
662our @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?
663 999
664sub override { 1000sub override {
665 $override = 1; 1001 $override = 1;
666 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
667} 1003}
668 1004
669sub do_invoke { 1005sub do_invoke {
670 my $event = shift; 1006 my $event = shift;
671 my $callbacks = shift; 1007 my $callbacks = shift;
672 1008
673 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
674 1010
675 local $override; 1011 local $override;
676 1012
677 for (@$callbacks) { 1013 for (@$callbacks) {
678 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
687 } 1023 }
688 1024
689 0 1025 0
690} 1026}
691 1027
692=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693 1029
694=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695 1031
696Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
697 1033
698This 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
699removed 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
700results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701 1037
702=back 1038=back
703 1039
704=cut 1040=cut
705 1041
706############################################################################# 1042#############################################################################
707# 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, $ob2
1085}
708 1086
709sub reattach { 1087sub reattach {
710 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
711 my ($obj) = @_; 1089 my ($obj) = @_;
712 1090
733cf::attachable->attach ( 1111cf::attachable->attach (
734 prio => -1000000, 1112 prio => -1000000,
735 on_instantiate => sub { 1113 on_instantiate => sub {
736 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
737 1115
738 $data = from_json $data; 1116 $data = decode_json $data;
739 1117
740 for (@$data) { 1118 for (@$data) {
741 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
742 1120
743 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
759sub object_freezer_save { 1137sub object_freezer_save {
760 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
761 1139
762 sync_job { 1140 sync_job {
763 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
764 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
765 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
766 1145
767 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
769 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
771 close $fh; 1150 aio_close $fh;
772 1151
773 if (@$objs) { 1152 if (@$objs) {
774 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) {
775 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
776 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
778 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
779 close $fh; 1158 aio_close $fh;
780 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
781 } 1160 }
782 } else { 1161 } else {
783 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
784 } 1163 }
789 } 1168 }
790 } else { 1169 } else {
791 aio_unlink $filename; 1170 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
793 } 1172 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 1173 };
801} 1174}
802 1175
803sub object_freezer_as_string { 1176sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
805 1178
810 1183
811sub object_thawer_load { 1184sub object_thawer_load {
812 my ($filename) = @_; 1185 my ($filename) = @_;
813 1186
814 my ($data, $av); 1187 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 1188
819 (aio_load $filename, $data) >= 0 1189 (aio_load $filename, $data) >= 0
820 or return; 1190 or return;
821 1191
822 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
823 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
824 or return; 1194 or return;
1195
825 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
826 } 1198 }
827 1199
1200 utf8::decode (my $decname = $filename);
828 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
829 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
830 return ($data, $av); 1204 ($data, $av)
831} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
832 1212
833############################################################################# 1213#############################################################################
834# command handling &c 1214# command handling &c
835 1215
836=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
849 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
850} 1230}
851 1231
852=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
853 1233
854Register 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.
855 1239
856If 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
857called. 1241called.
858 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
859=cut 1254=cut
860 1255
861sub register_extcmd { 1256sub register_extcmd {
862 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
863 1258
864 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
865} 1266}
866 1267
867cf::player->attach ( 1268cf::player->attach (
868 on_command => sub { 1269 on_command => sub {
869 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
878 cf::override; 1279 cf::override;
879 }, 1280 },
880 on_extcmd => sub { 1281 on_extcmd => sub {
881 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
882 1283
883 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884 1285
885 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
886 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
887 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
888 $pl->ext_reply ($msg->{msgid}, %reply);
889 }
890 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
891 } else { 1301 } else {
892 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893 } 1303 }
894 1304
895 cf::override; 1305 cf::override;
896 }, 1306 },
897); 1307);
898 1308
899sub load_extension {
900 my ($path) = @_;
901
902 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
903 my $base = $1;
904 my $pkg = $1;
905 $pkg =~ s/[^[:word:]]/_/g;
906 $pkg = "ext::$pkg";
907
908 warn "... loading '$path' into '$pkg'\n";
909
910 open my $fh, "<:utf8", $path
911 or die "$path: $!";
912
913 my $source =
914 "package $pkg; use strict; use utf8;\n"
915 . "#line 1 \"$path\"\n{\n"
916 . (do { local $/; <$fh> })
917 . "\n};\n1";
918
919 unless (eval $source) {
920 my $msg = $@ ? "$path: $@\n"
921 : "extension disabled.\n";
922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923 warn $@;
924 warn "mandatory extension failed to load, exiting.\n";
925 exit 1;
926 }
927 die $@;
928 }
929
930 push @EXTS, $pkg;
931}
932
933sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
934 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
935 next unless -r $ext; 1314 next unless -r $path;
936 eval { 1315
937 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 $progress = 1;
938 1 1372 }
939 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
940 } 1378 };
941} 1379}
942 1380
943############################################################################# 1381#############################################################################
944 1382
1383=back
1384
945=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
946 1386
947Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
948 1388
949=cut 1389=cut
954 1394
955=head3 cf::player 1395=head3 cf::player
956 1396
957=over 4 1397=over 4
958 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
959=item cf::player::find $login 1413=item cf::player::find $login
960 1414
961Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
962 1416
963=cut 1417=cut
964 1418
965sub playerdir($) { 1419sub playerdir($) {
966 cf::localdir 1420 "$PLAYERDIR/"
967 . "/"
968 . cf::playerdir
969 . "/"
970 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1421 . (ref $_[0] ? $_[0]->ob->name : $_[0])
971} 1422}
972 1423
973sub path($) { 1424sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1425 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 1426
976 (playerdir $login) . "/$login.pl" 1427 (playerdir $login) . "/playerdata"
977} 1428}
978 1429
979sub find_active($) { 1430sub find_active($) {
980 $cf::PLAYER{$_[0]} 1431 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 1432 and $cf::PLAYER{$_[0]}->active
994 my $login = $_[0]; 1445 my $login = $_[0];
995 1446
996 my $guard = cf::lock_acquire "user_find:$login"; 1447 my $guard = cf::lock_acquire "user_find:$login";
997 1448
998 $cf::PLAYER{$_[0]} || do { 1449 $cf::PLAYER{$_[0]} || do {
999 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
1000 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;
1001 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1002 } 1466 }
1003 } 1467 }
1004} 1468}
1005 1469
1014 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1015 1479
1016 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1017 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1018 1482
1483 cf::get_slot 0.01;
1484
1019 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1020 Coro::cede; 1486 cf::cede_to_tick;
1021} 1487}
1022 1488
1023sub new($) { 1489sub new($) {
1024 my ($login) = @_; 1490 my ($login) = @_;
1025 1491
1031 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1032 1498
1033 $self 1499 $self
1034} 1500}
1035 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
1036=item $pl->quit_character 1512=item $pl->quit_character
1037 1513
1038Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1039be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1040 1516
1041=cut 1517=cut
1042 1518
1043sub quit_character { 1519sub quit_character {
1044 my ($pl) = @_; 1520 my ($pl) = @_;
1045 1521
1522 my $name = $pl->ob->name;
1523
1046 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1047 $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
1048 1526
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1051 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1052 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1053 1533
1054 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1536 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1537 delete $cf::PLAYER{$pl->ob->name};
1058 $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
1059 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;
1060} 1560}
1061 1561
1062=item cf::player::list_logins 1562=item cf::player::list_logins
1063 1563
1064Returns 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
1065while and may block, so not sync_job-capable, ever. 1565while and may block, so not sync_job-capable, ever.
1066 1566
1067=cut 1567=cut
1068 1568
1069sub list_logins { 1569sub list_logins {
1070 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1570 my $dirs = aio_readdir $PLAYERDIR
1071 or return []; 1571 or return [];
1072 1572
1073 my @logins; 1573 my @logins;
1074 1574
1075 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") {
1076 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1078 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1079 1585
1080 utf8::decode $login; 1586 utf8::decode $login;
1081 push @logins, $login; 1587 push @logins, $login;
1082 } 1588 }
1083 1589
1110 } 1616 }
1111 1617
1112 \@paths 1618 \@paths
1113} 1619}
1114 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
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1116 1715
1117Sends an ext reply to the player. 1716Sends an ext reply to the player.
1118 1717
1119=cut 1718=cut
1120 1719
1121sub ext_reply($$$%) { 1720sub ext_reply($$@) {
1122 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1123 1722
1124 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1125
1126 $self->send ("ext " . cf::to_json \%msg);
1127} 1724}
1128 1725
1129package 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}
1130 1766
1131=back 1767=back
1132
1133 1768
1134=head3 cf::map 1769=head3 cf::map
1135 1770
1136=over 4 1771=over 4
1137 1772
1149our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1150our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1151 1786
1152sub generate_random_map { 1787sub generate_random_map {
1153 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
1154 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1155 $self->_create_random_map ( 1793 $self->_create_random_map (
1156 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1193 1831
1194 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1195 local $self->{path}; 1833 local $self->{path};
1196 local $self->{load_path}; 1834 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199 1835
1200 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1201} 1837}
1202 1838
1203sub normalise { 1839sub normalise {
1250 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1251 return $self; 1887 return $self;
1252 } 1888 }
1253 } 1889 }
1254 1890
1255 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1256 () 1892 ()
1257} 1893}
1258 1894
1259sub init { 1895sub init {
1260 my ($self) = @_; 1896 my ($self) = @_;
1275 1911
1276# the original (read-only) location 1912# the original (read-only) location
1277sub load_path { 1913sub load_path {
1278 my ($self) = @_; 1914 my ($self) = @_;
1279 1915
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1916 "$MAPDIR/$self->{path}.map"
1281} 1917}
1282 1918
1283# the temporary/swap location 1919# the temporary/swap location
1284sub save_path { 1920sub save_path {
1285 my ($self) = @_; 1921 my ($self) = @_;
1286 1922
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1924 "$TMPDIR/$path.map"
1289} 1925}
1290 1926
1291# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1292sub uniq_path { 1928sub uniq_path {
1293 my ($self) = @_; 1929 my ($self) = @_;
1294 1930
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1932 "$UNIQUEDIR/$path"
1297} 1933}
1298 1934
1299# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1300# all maps in C++... 1936# all maps in C++...
1301sub change_all_map_light { 1937sub change_all_map_light {
1303 1939
1304 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1305 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1306} 1942}
1307 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1308sub unlink_save { 1952sub unlink_save {
1309 my ($self) = @_; 1953 my ($self) = @_;
1310 1954
1311 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1958}
1320 1959
1321sub load_header_from($) { 1960sub load_header_from($) {
1322 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1323 1962
1324 utf8::encode $path; 1963 utf8::encode $path;
1325 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1326 # or return;
1327
1328 $self->_load_header ($path)
1329 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;
1330 1972
1331 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1332 1974
1333 1 1975 1
1334} 1976}
1373 $self->load_header_orig 2015 $self->load_header_orig
1374 or return; 2016 or return;
1375 $self->prepare_orig; 2017 $self->prepare_orig;
1376 } 2018 }
1377 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
1378 1 2026 1
1379} 2027}
1380 2028
1381sub find; 2029sub find;
1382sub find { 2030sub find {
1383 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1384 2032
1385 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1386 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1387 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1388 2037
1389 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1390 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1391 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1392 or return; 2043 or return;
1393 2044
1394 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1395 2046
1396 $map->load_header 2047 $map->load_header
1397 or return; 2048 or return;
1398 2049
1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1402 $map->reset; 2055 $map->reset;
1403 undef $guard;
1404 return find $path; 2056 return find $path;
1405 } 2057 }
1406 2058
1407 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1408 } 2060 }
1415 my ($self) = @_; 2067 my ($self) = @_;
1416 2068
1417 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1418 2070
1419 my $path = $self->{path}; 2071 my $path = $self->{path};
2072
2073 {
1420 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1421 2075
2076 return unless $self->valid;
1422 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1423 2078
1424 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1425 2080
1426 $self->alloc; 2081 $self->alloc;
1427 2082
1428 $self->pre_load; 2083 $self->pre_load;
2084 cf::cede_to_tick;
1429 2085
1430 $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)
1431 or return; 2089 or return;
1432 2090
1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1435 2093
1436 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1437 utf8::encode $uniq; 2095 utf8::encode $uniq;
1438 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1439 $self->clear_unique_items; 2098 $self->clear_unique_items;
1440 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1441 } 2102 }
1442 } 2103 }
1443 2104
1444 Coro::cede; 2105 $f->resolve_delayed_derefs;
1445 2106
2107 cf::cede_to_tick;
1446 # now do the right thing for maps 2108 # now do the right thing for maps
1447 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1448
1449 unless ($self->{deny_activate}) {
1450 $self->decay_objects;
1451 $self->fix_auto_apply;
1452 $self->update_buttons;
1453 Coro::cede;
1454 $self->set_darkness_map;
1455 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1456 unless $self->difficulty; 2111 unless $self->difficulty;
1457 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;
1458 $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);
1459 } 2128 }
1460 2129
1461 $self->post_load; 2130 $self->post_load;
1462
1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464} 2131}
1465 2132
1466sub customise_for { 2133sub customise_for {
1467 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1468 2135
1469 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player; 2137 if $self->per_player;
1471 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1472 $self 2142 $self
1473} 2143}
1474 2144
1475# 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
1476sub load_diag { 2146sub load_neighbours {
1477 my ($map) = @_; 2147 my ($map) = @_;
1478 2148
1479 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1480 2150
1481 for (0 .. 3) { 2151 for (0 .. 3) {
1482 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1483 or next; 2153 or next;
1484 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1485 or next; 2155 or next;
1486 $neigh->load; 2156 $neigh->load;
1487 2157
2158 push @neigh,
1488 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1489 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1490 } 2161 }
1491 2162
1492 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1493 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1494 or next; 2166 or next;
1495 $neigh->load; 2167 $neigh->load;
1496 } 2168 }
1497} 2169}
1498 2170
1503} 2175}
1504 2176
1505sub do_load_sync { 2177sub do_load_sync {
1506 my ($map) = @_; 2178 my ($map) = @_;
1507 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1508 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1509} 2184}
1510 2185
1511our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1512our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1513 2188
1514sub find_async { 2189sub find_async {
1515 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1516 2191
1517 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1518 2193
1519 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1520 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521 } 2196 }
1522 2197
1523 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1524 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1525 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1527 my $map = find $path 2205 if (my $map = find $k) {
1528 or next;
1529 $map->load; 2206 $map->load if $v;
2207 }
1530 2208
1531 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1532 } 2210 }
1533 } 2211 }
1534 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1535 }; 2213 };
1536 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1539} 2217}
1540 2218
1541sub save { 2219sub save {
1542 my ($self) = @_; 2220 my ($self) = @_;
1543 2221
1544 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1545 2223
1546 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1547 2225
1548 return unless $self->dirty; 2226 return unless $self->dirty;
1549 2227
1555 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1556 2234
1557 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1558 2236
1559 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1560 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1561 }; 2240 };
2241
2242 cf::get_slot 0.02;
1562 2243
1563 if ($uniq) { 2244 if ($uniq) {
1564 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1566 } else { 2247 } else {
1572 my ($self) = @_; 2253 my ($self) = @_;
1573 2254
1574 # save first because save cedes 2255 # save first because save cedes
1575 $self->save; 2256 $self->save;
1576 2257
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2259
1579 return if $self->players; 2260 return if $self->players;
1580 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1581 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1582 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1583 $self->clear; 2268 $self->clear;
1584 $self->in_memory (cf::MAP_SWAPPED);
1585} 2269}
1586 2270
1587sub reset_at { 2271sub reset_at {
1588 my ($self) = @_; 2272 my ($self) = @_;
1589 2273
1590 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1592 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1593 2276
1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595 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;
1596 2279
1607 my ($self) = @_; 2290 my ($self) = @_;
1608 2291
1609 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1610 2293
1611 return if $self->players; 2294 return if $self->players;
1612 return if $self->isa ("ext::map_per_player");#d#
1613 2295
1614 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1615 2297
1616 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1617 2299
1618 # need to save uniques path 2300 # need to save uniques path
1619 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1623 if $uniq; 2305 if $uniq;
1624 } 2306 }
1625 2307
1626 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1627 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1628 $self->clear; 2312 $self->clear;
1629
1630 $_->clear_links_to ($self) for values %cf::MAP;
1631 2313
1632 $self->unlink_save; 2314 $self->unlink_save;
1633 $self->destroy; 2315 $self->destroy;
1634} 2316}
1635 2317
1636my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1637 2319
1638sub nuke { 2320sub nuke {
1639 my ($self) = @_; 2321 my ($self) = @_;
1640 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1641 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1642 2327
1643 $self->unlink_save; 2328 $self->unlink_save;
1644 2329
1645 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1646 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1647 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1648 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1649 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650 2335
1651 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1652 2338
1653 $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 ]
1654} 2376}
1655 2377
1656=item cf::map::unique_maps 2378=item cf::map::unique_maps
1657 2379
1658Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1659instantiated unique items. May block. 2381instantiated unique items. May block.
1660 2382
1661=cut 2383=cut
1662 2384
1663sub unique_maps() { 2385sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2386 [
1665 or return; 2387 map {
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_; 2388 utf8::decode $_;
1671 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1672 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673 2391 ? ()
1674 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1675 } 2394 ]
1676
1677 \@paths
1678} 2395}
1679
1680package cf;
1681 2396
1682=back 2397=back
1683 2398
1684=head3 cf::object 2399=head3 cf::object
1685 2400
1689 2404
1690=over 4 2405=over 4
1691 2406
1692=item $ob->inv_recursive 2407=item $ob->inv_recursive
1693 2408
1694Returns 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.
1695 2411
1696=cut 2412=cut
1697 2413
1698sub inv_recursive_; 2414sub inv_recursive_;
1699sub inv_recursive_ { 2415sub inv_recursive_ {
1702 2418
1703sub inv_recursive { 2419sub inv_recursive {
1704 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1705} 2421}
1706 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
1707package cf; 2451package cf;
1708 2452
1709=back 2453=back
1710 2454
1711=head3 cf::object::player 2455=head3 cf::object::player
1717Sends 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>
1718can 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
1719dialogue with the given NPC character. 2463dialogue with the given NPC character.
1720 2464
1721=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};
1722 2480
1723# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1724# with dialog boxes. 2482# with dialog boxes.
1725#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
1726sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1728 2486
1729 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730 2488
1731 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1732 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1733 } 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 {
1734 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1735 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1736 } 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 (@_);
1737} 2514}
1738 2515
1739=item $player_object->may ("access") 2516=item $player_object->may ("access")
1740 2517
1741Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1788 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1789 2566
1790 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1791 2568
1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1794 2571
1795 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1796} 2573}
1797 2574
1798sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1799 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1800 2579
1801 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1802 2581
1803 unless ($map) { 2582 unless ($map) {
1804 # restore original map position 2583 # restore original map position
1818 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1819 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1820 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1821 2600
1822 $map->load; 2601 $map->load;
1823 $map->load_diag; 2602 $map->load_neighbours;
1824 2603
1825 return unless $self->contr->active; 2604 return unless $self->contr->active;
1826 $self->activate_recursive; 2605 $self->activate_recursive;
2606
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1828} 2609}
1829 2610
1830cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2612
1834 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1838 }; 2617be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2618
1844 # try to abort aborted map switching on player login :) 2619Note that $check will be called with a potentially non-loaded map, so if
1845 # should happen only on crashes 2620it needs a loaded map it has to call C<< ->load >>.
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED);
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861 2621
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2622=cut
2623
2624our $GOTOGEN;
1865 2625
1866sub cf::object::player::goto { 2626sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2627 my ($self, $path, $x, $y, $check, $done) = @_;
2628
2629 # do generation counting so two concurrent goto's will be executed in-order
2630 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2631
1869 $self->enter_link; 2632 $self->enter_link;
1870 2633
1871 (async { 2634 (async {
2635 $Coro::current->{desc} = "player::goto $path $x $y";
2636
2637 # *tag paths override both path and x|y
2638 if ($path =~ /^\*(.*)$/) {
2639 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2640 my $ob = $obs[rand @obs];
2641
2642 # see if we actually can go there
2643 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2644 $ob = $obs[rand @obs];
2645 } else {
2646 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2647 }
2648 # else put us there anyways for now #d#
2649
2650 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2651 } else {
2652 ($path, $x, $y) = (undef, undef, undef);
2653 }
2654 }
2655
1872 my $map = eval { 2656 my $map = eval {
1873 my $map = cf::map::find $path; 2657 my $map = defined $path ? cf::map::find $path : undef;
2658
2659 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2660 $map = $map->customise_for ($self);
2661 $map = $check->($map) if $check && $map;
2662 } else {
2663 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2664 }
2665
1875 $map 2666 $map
2667 };
2668
2669 if ($@) {
2670 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2671 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2672 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2673
2674 if ($gen == $self->{_goto_generation}) {
2675 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2676 $self->leave_link ($map, $x, $y);
2677 }
2678
2679 $done->() if $done;
1880 })->prio (1); 2680 })->prio (1);
1881} 2681}
1882 2682
1883=item $player_object->enter_exit ($exit_object) 2683=item $player_object->enter_exit ($exit_object)
1884 2684
1904} 2704}
1905 2705
1906sub prepare_random_map { 2706sub prepare_random_map {
1907 my ($exit) = @_; 2707 my ($exit) = @_;
1908 2708
1909 my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911 # all this does is basically replace the /! path by 2709 # all this does is basically replace the /! path by
1912 # a new random map path (?random/...) with a seed 2710 # a new random map path (?random/...) with a seed
1913 # that depends on the exit object 2711 # that depends on the exit object
1914 2712
1915 my $rmp = parse_random_map_params $exit->msg; 2713 my $rmp = parse_random_map_params $exit->msg;
1917 if ($exit->map) { 2715 if ($exit->map) {
1918 $rmp->{region} = $exit->region->name; 2716 $rmp->{region} = $exit->region->name;
1919 $rmp->{origin_map} = $exit->map->path; 2717 $rmp->{origin_map} = $exit->map->path;
1920 $rmp->{origin_x} = $exit->x; 2718 $rmp->{origin_x} = $exit->x;
1921 $rmp->{origin_y} = $exit->y; 2719 $rmp->{origin_y} = $exit->y;
2720
2721 $exit->map->touch;
1922 } 2722 }
1923 2723
1924 $rmp->{random_seed} ||= $exit->random_seed; 2724 $rmp->{random_seed} ||= $exit->random_seed;
1925 2725
1926 my $data = cf::to_json $rmp; 2726 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927 my $md5 = Digest::MD5::md5_hex $data; 2727 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2728 my $meta = "$RANDOMDIR/$md5.meta";
1929 2729
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2730 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2731 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2732 undef $fh;
1933 aio_rename "$meta~", $meta; 2733 aio_rename "$meta~", $meta;
1934 2734
2735 my $slaying = "?random/$md5";
2736
2737 if ($exit->valid) {
1935 $exit->slaying ("?random/$md5"); 2738 $exit->slaying ("?random/$md5");
1936 $exit->msg (undef); 2739 $exit->msg (undef);
2740 }
1937 } 2741 }
1938} 2742}
1939 2743
1940sub cf::object::player::enter_exit { 2744sub cf::object::player::enter_exit {
1941 my ($self, $exit) = @_; 2745 my ($self, $exit) = @_;
1942 2746
1943 return unless $self->type == cf::PLAYER; 2747 return unless $self->type == cf::PLAYER;
1944 2748
1945 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job
1947 cf::sync_job { prepare_random_map $exit };
1948 }
1949
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp;
1953
1954 $self->enter_link; 2749 $self->enter_link;
1955 2750
1956 (async { 2751 (async {
1957 $self->deactivate_recursive; # just to be sure 2752 $Coro::current->{desc} = "enter_exit";
2753
1958 unless (eval { 2754 unless (eval {
2755 $self->deactivate_recursive; # just to be sure
2756
2757 # random map handling
2758 {
2759 my $guard = cf::lock_acquire "exit_prepare:$exit";
2760
2761 prepare_random_map $exit
2762 if $exit->slaying eq "/!";
2763 }
2764
2765 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2766 my $x = $exit->stats->hp;
2767 my $y = $exit->stats->sp;
2768
1959 $self->goto ($slaying, $hp, $sp); 2769 $self->goto ($map, $x, $y);
1960 2770
2771 # if exit is damned, update players death & WoR home-position
2772 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED);
2774
1961 1; 2775 1
1962 }) { 2776 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2777 $self->message ("Something went wrong deep within the crossfire server. "
1964 . "I'll try to bring you back to the map you were before. " 2778 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2779 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2780 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2781
1968 warn "ERROR in enter_exit: $@"; 2782 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2783 $self->leave_link;
1970 } 2784 }
1971 })->prio (1); 2785 })->prio (1);
1984 2798
1985sub cf::client::send_drawinfo { 2799sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2800 my ($self, $text, $flags) = @_;
1987 2801
1988 utf8::encode $text; 2802 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2803 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2804}
1991 2805
2806=item $client->send_msg ($channel, $msg, $color, [extra...])
2807
2808Send a drawinfo or msg packet to the client, formatting the msg for the
2809client if neccessary. C<$type> should be a string identifying the type of
2810the message, with C<log> being the default. If C<$color> is negative, suppress
2811the message unless the client supports the msg packet.
2812
2813=cut
2814
2815# non-persistent channels (usually the info channel)
2816our %CHANNEL = (
2817 "c/identify" => {
2818 id => "infobox",
2819 title => "Identify",
2820 reply => undef,
2821 tooltip => "Items recently identified",
2822 },
2823 "c/examine" => {
2824 id => "infobox",
2825 title => "Examine",
2826 reply => undef,
2827 tooltip => "Signs and other items you examined",
2828 },
2829 "c/book" => {
2830 id => "infobox",
2831 title => "Book",
2832 reply => undef,
2833 tooltip => "The contents of a note or book",
2834 },
2835 "c/lookat" => {
2836 id => "infobox",
2837 title => "Look",
2838 reply => undef,
2839 tooltip => "What you saw there",
2840 },
2841 "c/who" => {
2842 id => "infobox",
2843 title => "Players",
2844 reply => undef,
2845 tooltip => "Shows players who are currently online",
2846 },
2847 "c/body" => {
2848 id => "infobox",
2849 title => "Body Parts",
2850 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available",
2852 },
2853 "c/uptime" => {
2854 id => "infobox",
2855 title => "Uptime",
2856 reply => undef,
2857 tooltip => "How long the server has been running since last restart",
2858 },
2859 "c/mapinfo" => {
2860 id => "infobox",
2861 title => "Map Info",
2862 reply => undef,
2863 tooltip => "Information related to the maps",
2864 },
2865 "c/party" => {
2866 id => "party",
2867 title => "Party",
2868 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party",
2870 },
2871);
2872
2873sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_;
2875
2876 $msg = $self->pl->expand_cfpod ($msg);
2877
2878 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879
2880 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel};
2883
2884 $self->ext_msg (channel_info => $channel)
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id};
2888
2889 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel)
2894 if $self->can_msg;
2895 }
2896
2897 $channel = $channel->{id};
2898 }
2899
2900 return unless @extra || length $msg;
2901
2902 if ($self->can_msg) {
2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF;
2906
2907 $self->send_packet ("msg " . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2909 } else {
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920
2921 $color &= cf::NDI_COLOR_MASK;
2922
2923 utf8::encode $msg;
2924
2925 if (0 && $msg =~ /\[/) {
2926 # COMMAND/INFO
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 }
2934}
2935
2936=item $client->ext_msg ($type, @msg)
2937
2938Sends an ext event to the client.
2939
2940=cut
2941
2942sub cf::client::ext_msg($$@) {
2943 my ($self, $type, @msg) = @_;
2944
2945 if ($self->extcmd == 2) {
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947 } elsif ($self->extcmd == 1) { # TODO: remove
2948 push @msg, msgtype => "event_$type";
2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2951}
2952
2953=item $client->ext_reply ($msgid, @msg)
2954
2955Sends an ext reply to the client.
2956
2957=cut
2958
2959sub cf::client::ext_reply($$@) {
2960 my ($self, $id, @msg) = @_;
2961
2962 if ($self->extcmd == 2) {
2963 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964 } elsif ($self->extcmd == 1) {
2965 #TODO: version 1, remove
2966 unshift @msg, msgtype => "reply", msgid => $id;
2967 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968 }
2969}
1992 2970
1993=item $success = $client->query ($flags, "text", \&cb) 2971=item $success = $client->query ($flags, "text", \&cb)
1994 2972
1995Queues a query to the client, calling the given callback with 2973Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2974the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2975C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 2976
1999Queries can fail, so check the return code. Or don't, as queries will become 2977Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 2978become reliable at some point in the future.
2001 2979
2002=cut 2980=cut
2003 2981
2004sub cf::client::query { 2982sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 2983 my ($self, $flags, $text, $cb) = @_;
2013 utf8::encode $text; 2991 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2992 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 2993
2016 $self->send_packet ($self->{query_queue}[0][0]) 2994 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 2995 if @{ $self->{query_queue} } == 1;
2996
2997 1
2018} 2998}
2019 2999
2020cf::client->attach ( 3000cf::client->attach (
3001 on_connect => sub {
3002 my ($ns) = @_;
3003
3004 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3005 },
2021 on_reply => sub { 3006 on_reply => sub {
2022 my ($ns, $msg) = @_; 3007 my ($ns, $msg) = @_;
2023 3008
2024 # this weird shuffling is so that direct followup queries 3009 # this weird shuffling is so that direct followup queries
2025 # get handled first 3010 # get handled first
2037 } else { 3022 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3023 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 3024 }
2040 } 3025 }
2041 }, 3026 },
3027 on_exticmd => sub {
3028 my ($ns, $buf) = @_;
3029
3030 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3031
3032 if (ref $msg) {
3033 my ($type, $reply, @payload) =
3034 "ARRAY" eq ref $msg
3035 ? @$msg
3036 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3037
3038 my @reply;
3039
3040 if (my $cb = $EXTICMD{$type}) {
3041 @reply = $cb->($ns, @payload);
3042 }
3043
3044 $ns->ext_reply ($reply, @reply)
3045 if $reply;
3046
3047 } else {
3048 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3049 }
3050
3051 cf::override;
3052 },
2042); 3053);
2043 3054
2044=item $client->async (\&cb) 3055=item $client->async (\&cb)
2045 3056
2046Create a new coroutine, running the specified callback. The coroutine will 3057Create a new coroutine, running the specified callback. The coroutine will
2087our $safe = new Safe "safe"; 3098our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 3099our $safe_hole = new Safe::Hole;
2089 3100
2090$SIG{FPE} = 'IGNORE'; 3101$SIG{FPE} = 'IGNORE';
2091 3102
2092$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3103$safe->permit_only (Opcode::opset qw(
3104 :base_core :base_mem :base_orig :base_math
3105 grepstart grepwhile mapstart mapwhile
3106 sort time
3107));
2093 3108
2094# here we export the classes and methods available to script code 3109# here we export the classes and methods available to script code
2095 3110
2096=pod 3111=pod
2097 3112
2098The following fucntions and emthods are available within a safe environment: 3113The following functions and methods are available within a safe environment:
2099 3114
2100 cf::object contr pay_amount pay_player map 3115 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split
3118
2101 cf::object::player player 3119 cf::object::player
2102 cf::player peaceful 3120 player
2103 cf::map trigger 3121
3122 cf::player
3123 peaceful
3124
3125 cf::map
3126 trigger
2104 3127
2105=cut 3128=cut
2106 3129
2107for ( 3130for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132 insert remove inv nrof name archname title slaying race
3133 decrease split destroy)],
2109 ["cf::object::player" => qw(player)], 3134 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3135 ["cf::player" => qw(peaceful)],
2111 ["cf::map" => qw(trigger)], 3136 ["cf::map" => qw(trigger)],
2112) { 3137) {
2113 no strict 'refs'; 3138 no strict 'refs';
2184=back 3209=back
2185 3210
2186=cut 3211=cut
2187 3212
2188############################################################################# 3213#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions 3214# the server's init and main functions
2262 3215
3216sub load_facedata($) {
3217 my ($path) = @_;
3218
3219 # HACK to clear player env face cache, we need some signal framework
3220 # for this (global event?)
3221 %ext::player_env::MUSIC_FACE_CACHE = ();
3222
3223 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3224
3225 warn "loading facedata from $path\n";
3226
3227 my $facedata;
3228 0 < aio_load $path, $facedata
3229 or die "$path: $!";
3230
3231 $facedata = Coro::Storable::thaw $facedata;
3232
3233 $facedata->{version} == 2
3234 or cf::cleanup "$path: version mismatch, cannot proceed.";
3235
3236 # patch in the exptable
3237 $facedata->{resource}{"res/exp_table"} = {
3238 type => FT_RSRC,
3239 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3240 };
3241 cf::cede_to_tick;
3242
3243 {
3244 my $faces = $facedata->{faceinfo};
3245
3246 while (my ($face, $info) = each %$faces) {
3247 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248
3249 cf::face::set_visibility $idx, $info->{visibility};
3250 cf::face::set_magicmap $idx, $info->{magicmap};
3251 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3252 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3253
3254 cf::cede_to_tick;
3255 }
3256
3257 while (my ($face, $info) = each %$faces) {
3258 next unless $info->{smooth};
3259
3260 my $idx = cf::face::find $face
3261 or next;
3262
3263 if (my $smooth = cf::face::find $info->{smooth}) {
3264 cf::face::set_smooth $idx, $smooth;
3265 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3266 } else {
3267 warn "smooth face '$info->{smooth}' not found for face '$face'";
3268 }
3269
3270 cf::cede_to_tick;
3271 }
3272 }
3273
3274 {
3275 my $anims = $facedata->{animinfo};
3276
3277 while (my ($anim, $info) = each %$anims) {
3278 cf::anim::set $anim, $info->{frames}, $info->{facings};
3279 cf::cede_to_tick;
3280 }
3281
3282 cf::anim::invalidate_all; # d'oh
3283 }
3284
3285 {
3286 # TODO: for gcfclient pleasure, we should give resources
3287 # that gcfclient doesn't grok a >10000 face index.
3288 my $res = $facedata->{resource};
3289
3290 while (my ($name, $info) = each %$res) {
3291 if (defined $info->{type}) {
3292 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293 my $data;
3294
3295 if ($info->{type} & 1) {
3296 # prepend meta info
3297
3298 my $meta = $enc->encode ({
3299 name => $name,
3300 %{ $info->{meta} || {} },
3301 });
3302
3303 $data = pack "(w/a*)*", $meta, $info->{data};
3304 } else {
3305 $data = $info->{data};
3306 }
3307
3308 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309 cf::face::set_type $idx, $info->{type};
3310 } else {
3311 $RESOURCE{$name} = $info;
3312 }
3313
3314 cf::cede_to_tick;
3315 }
3316 }
3317
3318 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3319
3320 1
3321}
3322
3323cf::global->attach (on_resource_update => sub {
3324 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3325 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3326
3327 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3328 my $sound = $soundconf->{compat}[$_]
3329 or next;
3330
3331 my $face = cf::face::find "sound/$sound->[1]";
3332 cf::sound::set $sound->[0] => $face;
3333 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3334 }
3335
3336 while (my ($k, $v) = each %{$soundconf->{event}}) {
3337 my $face = cf::face::find "sound/$v";
3338 cf::sound::set $k => $face;
3339 }
3340 }
3341});
3342
3343register_exticmd fx_want => sub {
3344 my ($ns, $want) = @_;
3345
3346 while (my ($k, $v) = each %$want) {
3347 $ns->fx_want ($k, $v);
3348 }
3349};
3350
2263sub load_resources { 3351sub load_resource_file($) {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3352 my $guard = lock_acquire "load_resource_file";
3353
3354 my $status = load_resource_file_ $_[0];
3355 get_slot 0.1, 100;
3356 cf::arch::commit_load;
3357
3358 $status
3359}
3360
3361sub reload_regions {
3362 # HACK to clear player env face cache, we need some signal framework
3363 # for this (global event?)
3364 %ext::player_env::MUSIC_FACE_CACHE = ();
3365
3366 load_resource_file "$MAPDIR/regions"
2265 or die "unable to load regions file\n";#d# 3367 or die "unable to load regions file\n";
2266}
2267 3368
2268sub cfg_load { 3369 for (cf::region::list) {
3370 $_->{match} = qr/$_->{match}/
3371 if exists $_->{match};
3372 }
3373}
3374
3375sub reload_facedata {
3376 load_facedata "$DATADIR/facedata"
3377 or die "unable to load facedata\n";
3378}
3379
3380sub reload_archetypes {
3381 load_resource_file "$DATADIR/archetypes"
3382 or die "unable to load archetypes\n";
3383}
3384
3385sub reload_treasures {
3386 load_resource_file "$DATADIR/treasures"
3387 or die "unable to load treasurelists\n";
3388}
3389
3390sub reload_resources {
3391 warn "reloading resource files...\n";
3392
3393 reload_facedata;
3394 reload_archetypes;
3395 reload_regions;
3396 reload_treasures;
3397
3398 warn "finished reloading resource files\n";
3399}
3400
3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
3406 reload_resources;
3407}
3408
3409sub reload_config {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 3410 open my $fh, "<:utf8", "$CONFDIR/config"
2270 or return; 3411 or return;
2271 3412
2272 local $/; 3413 local $/;
2273 *CFG = YAML::Syck::Load <$fh>; 3414 *CFG = YAML::Load <$fh>;
2274 3415
2275 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276 3417
2277 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3419 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2284 }; 3425 };
2285 warn $@ if $@; 3426 warn $@ if $@;
2286 } 3427 }
2287} 3428}
2288 3429
2289sub init {
2290 load_resources;
2291}
2292
2293sub main { 3430sub main {
2294 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2296 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297 (async { 3434 (async {
2298 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2299 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2300 }; 3438 };
2301 3439
2302 cfg_load; 3440 {
3441 my $guard = freeze_mainloop;
3442 reload_config;
2303 db_init; 3443 db_init;
2304 load_extensions; 3444 load_extensions;
2305 3445
2306 $TICK_WATCHER->start; 3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3447 }
3448
2307 Event::loop; 3449 EV::loop;
2308} 3450}
2309 3451
2310############################################################################# 3452#############################################################################
2311# initialisation and cleanup 3453# initialisation and cleanup
2312 3454
2313# install some emergency cleanup handlers 3455# install some emergency cleanup handlers
2314BEGIN { 3456BEGIN {
3457 our %SIGWATCHER = ();
2315 for my $signal (qw(INT HUP TERM)) { 3458 for my $signal (qw(INT HUP TERM)) {
2316 Event->signal ( 3459 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2317 reentrant => 0,
2318 data => WF_AUTOCANCEL,
2319 signal => $signal,
2320 prio => 0,
2321 cb => sub {
2322 cf::cleanup "SIG$signal"; 3460 cf::cleanup "SIG$signal";
2323 },
2324 ); 3461 };
3462 }
3463}
3464
3465sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time.
3470
3471 IO::AIO::aio_utime $runtime, undef, undef;
3472
3473 my $guard = cf::lock_acquire "write_runtime";
3474
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3476 or return;
3477
3478 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server.
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 # touch it again to show we are up-to-date
3490 aio_utime $fh, undef, undef;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$runtime~", $runtime
3496 and return;
3497
3498 warn "runtime file written.\n";
3499
2325 } 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3518 $uuid_skip = 0;
3519
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return;
3522
3523 # always fsync - this file is important
3524 aio_fsync $fh
3525 and return;
3526
3527 close $fh
3528 or return;
3529
3530 aio_rename "$uuid~", $uuid
3531 and return;
3532
3533 warn "uuid file written ($value).\n";
3534
3535 1
3536
3537}
3538
3539sub write_uuid($$) {
3540 my ($skip, $sync) = @_;
3541
3542 $sync ? write_uuid_sync $skip
3543 : async { write_uuid_sync $skip };
2326} 3544}
2327 3545
2328sub emergency_save() { 3546sub emergency_save() {
2329 my $freeze_guard = cf::freeze_mainloop; 3547 my $freeze_guard = cf::freeze_mainloop;
2330 3548
2336 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
2337 warn "begin emergency player save\n"; 3555 warn "begin emergency player save\n";
2338 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
2339 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
2340 $pl->valid or next; 3558 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341 $pl->save; 3560 $pl->save;
2342 } 3561 }
2343 warn "end emergency player save\n"; 3562 warn "end emergency player save\n";
2344 3563
2345 warn "begin emergency map save\n"; 3564 warn "begin emergency map save\n";
2351 warn "end emergency map save\n"; 3570 warn "end emergency map save\n";
2352 3571
2353 warn "begin emergency database checkpoint\n"; 3572 warn "begin emergency database checkpoint\n";
2354 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
2355 warn "end emergency database checkpoint\n"; 3574 warn "end emergency database checkpoint\n";
3575
3576 warn "begin write uuid\n";
3577 write_uuid_sync 1;
3578 warn "end write uuid\n";
2356 }; 3579 };
2357 3580
2358 warn "leave emergency perl save\n"; 3581 warn "leave emergency perl save\n";
2359} 3582}
2360 3583
2363 3586
2364 warn Carp::longmess "post_cleanup backtrace" 3587 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core; 3588 if $make_core;
2366} 3589}
2367 3590
2368sub reload() { 3591sub do_reload_perl() {
2369 # can/must only be called in main 3592 # can/must only be called in main
2370 if ($Coro::current != $Coro::main) { 3593 if ($Coro::current != $Coro::main) {
2371 warn "can only reload from main coroutine"; 3594 warn "can only reload from main coroutine";
2372 return; 3595 return;
2373 } 3596 }
2374 3597
2375 warn "reloading..."; 3598 warn "reloading...";
2376 3599
2377 warn "cancelling server ticker"; 3600 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 3601
3602 cf::sync_job {
3603 cf::write_runtime_sync; # external watchdog should not bark
2380 cf::emergency_save; 3604 cf::emergency_save;
3605 cf::write_runtime_sync; # external watchdog should not bark
2381 3606
2382 eval { 3607 warn "syncing database to disk";
3608 BDB::db_env_txn_checkpoint $DB_ENV;
3609
2383 # if anything goes wrong in here, we should simply crash as we already saved 3610 # if anything goes wrong in here, we should simply crash as we already saved
2384
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 3611
2393 warn "flushing outstanding aio requests"; 3612 warn "flushing outstanding aio requests";
2394 for (;;) { 3613 for (;;) {
2395 BDB::flush; 3614 BDB::flush;
2396 IO::AIO::flush; 3615 IO::AIO::flush;
2397 Coro::cede; 3616 Coro::cede_notself;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3617 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 3618 warn "iterate...";
2400 } 3619 }
3620
3621 ++$RELOAD;
2401 3622
2402 warn "cancelling all extension coros"; 3623 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 3624 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 3625 %EXT_CORO = ();
2405 3626
2406 warn "removing commands"; 3627 warn "removing commands";
2407 %COMMAND = (); 3628 %COMMAND = ();
2408 3629
2409 warn "removing ext commands"; 3630 warn "removing ext/exti commands";
2410 %EXTCMD = (); 3631 %EXTCMD = ();
3632 %EXTICMD = ();
2411 3633
2412 warn "unloading/nuking all extensions"; 3634 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) { 3635 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg"; 3636 warn "... unloading $pkg";
2415 3637
2445 Symbol::delete_package "safe::$_" 3667 Symbol::delete_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3668 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3669
2448 warn "unloading cf.pm \"a bit\""; 3670 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3671 delete $INC{"cf.pm"};
3672 delete $INC{"cf/pod.pm"};
2450 3673
2451 # don't, removes xs symbols, too, 3674 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3675 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3676 #Symbol::delete_package __PACKAGE__;
2454 3677
2457 warn "reloading cf.pm"; 3680 warn "reloading cf.pm";
2458 require cf; 3681 require cf;
2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460 3683
2461 warn "loading config and database again"; 3684 warn "loading config and database again";
2462 cf::cfg_load; 3685 cf::reload_config;
2463 3686
2464 warn "loading extensions"; 3687 warn "loading extensions";
2465 cf::load_extensions; 3688 cf::load_extensions;
2466 3689
2467 warn "reattaching attachments to objects/players"; 3690 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3691 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3692 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3693 reattach $_ for values %MAP;
3694 warn "reattaching attachments to players";
3695 reattach $_ for values %PLAYER;
2471 3696
2472 warn "loading reloadable resources"; 3697 warn "leaving sync_job";
2473 load_resources;
2474 3698
2475 warn "restarting server ticker"; 3699 1
2476 3700 } or do {
2477 $TICK_WATCHER->start; 3701 warn $@;
3702 cf::cleanup "error while reloading, exiting.";
2478 }; 3703 };
2479
2480 if ($@) {
2481 warn $@;
2482 warn "error while reloading, exiting.";
2483 exit 1;
2484 }
2485 3704
2486 warn "reloaded"; 3705 warn "reloaded";
2487}; 3706};
2488 3707
2489our $RELOAD_WATCHER; # used only during reload 3708our $RELOAD_WATCHER; # used only during reload
2490 3709
3710sub reload_perl() {
3711 # doing reload synchronously and two reloads happen back-to-back,
3712 # coro crashes during coro_state_free->destroy here.
3713
3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3715 do_reload_perl;
3716 undef $RELOAD_WATCHER;
3717 };
3718}
3719
2491register_command "reload" => sub { 3720register_command "reload" => sub {
2492 my ($who, $arg) = @_; 3721 my ($who, $arg) = @_;
2493 3722
2494 if ($who->flag (FLAG_WIZ)) { 3723 if ($who->flag (FLAG_WIZ)) {
2495 $who->message ("reloading server."); 3724 $who->message ("reloading server.");
2496 3725 async {
2497 # doing reload synchronously and two reloads happen back-to-back, 3726 $Coro::current->{desc} = "perl_reload";
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2505 reload; 3727 reload_perl;
2506 undef $RELOAD_WATCHER;
2507 },
2508 ); 3728 };
2509 } 3729 }
2510}; 3730};
2511 3731
2512unshift @INC, $LIBDIR; 3732unshift @INC, $LIBDIR;
2513 3733
2514my $bug_warning = 0; 3734my $bug_warning = 0;
2515 3735
2516$TICK_WATCHER = Event->timer ( 3736our @WAIT_FOR_TICK;
2517 reentrant => 0, 3737our @WAIT_FOR_TICK_BEGIN;
2518 parked => 1, 3738
2519 prio => 0, 3739sub wait_for_tick {
2520 at => $NEXT_TICK || $TICK, 3740 return if tick_inhibit || $Coro::current == $Coro::main;
2521 data => WF_AUTOCANCEL, 3741
2522 cb => sub { 3742 my $signal = new Coro::Signal;
3743 push @WAIT_FOR_TICK, $signal;
3744 $signal->wait;
3745}
3746
3747sub wait_for_tick_begin {
3748 return if tick_inhibit || $Coro::current == $Coro::main;
3749
3750 my $signal = new Coro::Signal;
3751 push @WAIT_FOR_TICK_BEGIN, $signal;
3752 $signal->wait;
3753}
3754
3755sub tick {
2523 if ($Coro::current != $Coro::main) { 3756 if ($Coro::current != $Coro::main) {
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3757 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10; 3758 unless ++$bug_warning > 10;
2526 return; 3759 return;
2527 } 3760 }
2528 3761
2529 $NOW = Event::time;
2530
2531 cf::server_tick; # one server iteration 3762 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK;
2534 3763
2535 $WAIT_FOR_TICK->broadcast; 3764 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3765 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3766 Coro::async_pool {
3767 $Coro::current->{desc} = "runtime saver";
3768 write_runtime_sync
3769 or warn "ERROR: unable to write runtime file: $!";
3770 };
3771 }
2537 3772
2538 Event::sweep; 3773 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539 Coro::cede_notself; 3774 $sig->send;
3775 }
3776 while (my $sig = shift @WAIT_FOR_TICK) {
3777 $sig->send;
3778 }
3779
3780 $LOAD = ($NOW - $TICK_START) / $TICK;
3781 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3782
3783 if (0) {
3784 if ($NEXT_TICK) {
3785 my $jitter = $TICK_START - $NEXT_TICK;
3786 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3787 warn "jitter $JITTER\n";#d#
2540 3788 }
2541# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d#
2543
2544 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547 $TICK_WATCHER->at ($NEXT_TICK);
2548 $TICK_WATCHER->start;
2549 }, 3789 }
2550); 3790}
2551 3791
2552{ 3792{
2553 BDB::max_poll_time $TICK * 0.1; 3793 # configure BDB
2554 $BDB_POLL_WATCHER = Event->io ( 3794
2555 reentrant => 0,
2556 fd => BDB::poll_fileno,
2557 poll => 'r',
2558 prio => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => \&BDB::poll_cb,
2561 );
2562 BDB::min_parallel 8; 3795 BDB::min_parallel 8;
2563 3796 BDB::max_poll_reqs $TICK * 0.1;
2564 BDB::set_sync_prepare { 3797 $AnyEvent::BDB::WATCHER->priority (1);
2565 my $status;
2566 my $current = $Coro::current;
2567 (
2568 sub {
2569 $status = $!;
2570 $current->ready; undef $current;
2571 },
2572 sub {
2573 Coro::schedule while defined $current;
2574 $! = $status;
2575 },
2576 )
2577 };
2578 3798
2579 unless ($DB_ENV) { 3799 unless ($DB_ENV) {
2580 $DB_ENV = BDB::db_env_create; 3800 $DB_ENV = BDB::db_env_create;
3801 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3802 | BDB::LOG_AUTOREMOVE, 1);
3803 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3804 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581 3805
2582 cf::sync_job { 3806 cf::sync_job {
2583 eval { 3807 eval {
2584 BDB::db_env_open 3808 BDB::db_env_open
2585 $DB_ENV, 3809 $DB_ENV,
2586 $BDB_ENV_DIR, 3810 $BDBDIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3811 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3812 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666; 3813 0666;
2590 3814
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3815 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect;
2595 }; 3816 };
2596 3817
2597 cf::cleanup "db_env_open(db): $@" if $@; 3818 cf::cleanup "db_env_open(db): $@" if $@;
2598 }; 3819 };
2599 } 3820 }
3821
3822 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3823 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3824 };
3825 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3826 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3827 };
3828 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3829 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3830 };
2600} 3831}
2601 3832
2602{ 3833{
3834 # configure IO::AIO
3835
2603 IO::AIO::min_parallel 8; 3836 IO::AIO::min_parallel 8;
2604
2605 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 3837 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 3838 undef $AnyEvent::AIO::WATCHER;
2608 reentrant => 0,
2609 fd => IO::AIO::poll_fileno,
2610 poll => 'r',
2611 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb,
2614 );
2615} 3839}
2616 3840
2617$WRITE_RUNTIME_WATCHER = Event->timer ( 3841my $_log_backtrace;
2618 reentrant => 0, 3842
2619 data => WF_AUTOCANCEL, 3843sub _log_backtrace {
2620 after => 1, 3844 my ($msg, @addr) = @_;
2621 interval => 10, 3845
2622 prio => 6, # keep it lowest so it acts like a watchdog 3846 $msg =~ s/\n//;
2623 cb => Coro::unblock_sub { 3847
2624 write_runtime 3848 # limit the # of concurrent backtraces
2625 or warn "ERROR: unable to write runtime file: $!"; 3849 if ($_log_backtrace < 2) {
3850 ++$_log_backtrace;
3851 async {
3852 $Coro::current->{desc} = "abt $msg";
3853
3854 my @bt = fork_call {
3855 @addr = map { sprintf "%x", $_ } @addr;
3856 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3857 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3858 or die "addr2line: $!";
3859
3860 my @funcs;
3861 my @res = <$fh>;
3862 chomp for @res;
3863 while (@res) {
3864 my ($func, $line) = splice @res, 0, 2, ();
3865 push @funcs, "[$func] $line";
3866 }
3867
3868 @funcs
3869 };
3870
3871 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] $_\n" for @bt;
3873 --$_log_backtrace;
3874 };
3875 } else {
3876 LOG llevInfo, "[ABT] $msg\n";
3877 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 3878 }
2627); 3879}
3880
3881# load additional modules
3882use cf::pod;
2628 3883
2629END { cf::emergency_save } 3884END { cf::emergency_save }
2630 3885
26311 38861
2632 3887

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