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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 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 my $runtime = cf::localdir . "/runtime";
362 534
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 535Executes the given code block with the given arguments in a seperate
364 or return; 536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
365 539
366 my $value = $cf::RUNTIME + 90 + 10; 540=cut
367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369 541
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 542sub fork_call(&@) {
371 and return; 543 my ($cb, @args) = @_;
372 544
373 # always fsync - this file is important 545 # we seemingly have to make a local copy of the whole thing,
374 aio_fsync $fh 546 # otherwise perl prematurely frees the stuff :/
375 and return; 547 # TODO: investigate and fix (likely this will be rather laborious)
376 548
377 close $fh 549 my @res = Coro::Util::fork_eval {
378 or return; 550 reset_signals;
551 &$cb
552 }, @args;
379 553
380 aio_rename "$runtime~", $runtime 554 wantarray ? @res : $res[-1]
381 and return; 555}
382 556
557=item $coin = coin_from_name $name
558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
383 1 633 }
634}
635
636sub db_put($$$) {
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 });
384} 720}
385 721
386=back 722=back
387 723
388=cut 724=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
397 733
398In 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>
399C<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
400crossfire+). 736Deliantra).
401 737
402=over 4 738=over 4
403 739
404=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
405 741
568 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
569 905
570 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 910
575 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 912 my $pkg = shift @arg;
577 913
578 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
608 } 944 }
609 945
610 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
611 } else { 947 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 949 }
614 950
615 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
616} 952}
617 953
619 if (ref $_[0]) { 955 if (ref $_[0]) {
620 _object_attach @_; 956 _object_attach @_;
621 } else { 957 } else {
622 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
623 } 959 }
960 _recalc_want;
624}; 961};
625 962
626# all those should be optimised 963# all those should be optimised
627sub cf::attachable::detach { 964sub cf::attachable::detach {
628 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
632 reattach ($obj); 969 reattach ($obj);
633 } else { 970 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
635 } 972 }
973 _recalc_want;
636}; 974};
637 975
638sub cf::attachable::attached { 976sub cf::attachable::attached {
639 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
640 978
655 "; 993 ";
656 die if $@; 994 die if $@;
657} 995}
658 996
659our $override; 997our $override;
660our @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?
661 999
662sub override { 1000sub override {
663 $override = 1; 1001 $override = 1;
664 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
665} 1003}
666 1004
667sub do_invoke { 1005sub do_invoke {
668 my $event = shift; 1006 my $event = shift;
669 my $callbacks = shift; 1007 my $callbacks = shift;
670 1008
671 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
672 1010
673 local $override; 1011 local $override;
674 1012
675 for (@$callbacks) { 1013 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
685 } 1023 }
686 1024
687 0 1025 0
688} 1026}
689 1027
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1029
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1031
694Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
695 1033
696This 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
697removed 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
698results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1037
700=back 1038=back
701 1039
702=cut 1040=cut
703 1041
704############################################################################# 1042#############################################################################
705# 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, $ob2
1085}
706 1086
707sub reattach { 1087sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1089 my ($obj) = @_;
710 1090
731cf::attachable->attach ( 1111cf::attachable->attach (
732 prio => -1000000, 1112 prio => -1000000,
733 on_instantiate => sub { 1113 on_instantiate => sub {
734 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
735 1115
736 $data = from_json $data; 1116 $data = decode_json $data;
737 1117
738 for (@$data) { 1118 for (@$data) {
739 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
740 1120
741 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
757sub object_freezer_save { 1137sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
759 1139
760 sync_job { 1140 sync_job {
761 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
764 1145
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
769 close $fh; 1150 aio_close $fh;
770 1151
771 if (@$objs) { 1152 if (@$objs) {
772 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) {
773 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
776 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
777 close $fh; 1158 aio_close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
779 } 1160 }
780 } else { 1161 } else {
781 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
782 } 1163 }
787 } 1168 }
788 } else { 1169 } else {
789 aio_unlink $filename; 1170 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
791 } 1172 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 1173 };
799} 1174}
800 1175
801sub object_freezer_as_string { 1176sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
803 1178
808 1183
809sub object_thawer_load { 1184sub object_thawer_load {
810 my ($filename) = @_; 1185 my ($filename) = @_;
811 1186
812 my ($data, $av); 1187 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 1188
817 (aio_load $filename, $data) >= 0 1189 (aio_load $filename, $data) >= 0
818 or return; 1190 or return;
819 1191
820 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
821 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
822 or return; 1194 or return;
1195
823 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
824 } 1198 }
825 1199
1200 utf8::decode (my $decname = $filename);
826 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
827 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
828 return ($data, $av); 1204 ($data, $av)
829} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
830 1212
831############################################################################# 1213#############################################################################
832# command handling &c 1214# command handling &c
833 1215
834=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
847 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
848} 1230}
849 1231
850=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
851 1233
852Register 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.
853 1239
854If 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
855called. 1241called.
856 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
857=cut 1254=cut
858 1255
859sub register_extcmd { 1256sub register_extcmd {
860 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
861 1258
862 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
863} 1266}
864 1267
865cf::player->attach ( 1268cf::player->attach (
866 on_command => sub { 1269 on_command => sub {
867 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
876 cf::override; 1279 cf::override;
877 }, 1280 },
878 on_extcmd => sub { 1281 on_extcmd => sub {
879 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
880 1283
881 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882 1285
883 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
884 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
885 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
886 $pl->ext_reply ($msg->{msgid}, %reply);
887 }
888 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
889 } else { 1301 } else {
890 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891 } 1303 }
892 1304
893 cf::override; 1305 cf::override;
894 }, 1306 },
895); 1307);
896 1308
897sub load_extension {
898 my ($path) = @_;
899
900 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
901 my $base = $1;
902 my $pkg = $1;
903 $pkg =~ s/[^[:word:]]/_/g;
904 $pkg = "ext::$pkg";
905
906 warn "... loading '$path' into '$pkg'\n";
907
908 open my $fh, "<:utf8", $path
909 or die "$path: $!";
910
911 my $source =
912 "package $pkg; use strict; use utf8;\n"
913 . "#line 1 \"$path\"\n{\n"
914 . (do { local $/; <$fh> })
915 . "\n};\n1";
916
917 unless (eval $source) {
918 my $msg = $@ ? "$path: $@\n"
919 : "extension disabled.\n";
920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921 warn $@;
922 warn "mandatory extension failed to load, exiting.\n";
923 exit 1;
924 }
925 die $@;
926 }
927
928 push @EXTS, $pkg;
929}
930
931sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
932 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
933 next unless -r $ext; 1314 next unless -r $path;
934 eval { 1315
935 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 $progress = 1;
936 1 1372 }
937 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
938 } 1378 };
939} 1379}
940 1380
941############################################################################# 1381#############################################################################
942 1382
1383=back
1384
943=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
944 1386
945Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
946 1388
947=cut 1389=cut
952 1394
953=head3 cf::player 1395=head3 cf::player
954 1396
955=over 4 1397=over 4
956 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
957=item cf::player::find $login 1413=item cf::player::find $login
958 1414
959Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
960 1416
961=cut 1417=cut
962 1418
963sub playerdir($) { 1419sub playerdir($) {
964 cf::localdir 1420 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1421 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 1422}
970 1423
971sub path($) { 1424sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1425 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 1426
974 (playerdir $login) . "/$login.pl" 1427 (playerdir $login) . "/playerdata"
975} 1428}
976 1429
977sub find_active($) { 1430sub find_active($) {
978 $cf::PLAYER{$_[0]} 1431 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 1432 and $cf::PLAYER{$_[0]}->active
992 my $login = $_[0]; 1445 my $login = $_[0];
993 1446
994 my $guard = cf::lock_acquire "user_find:$login"; 1447 my $guard = cf::lock_acquire "user_find:$login";
995 1448
996 $cf::PLAYER{$_[0]} || do { 1449 $cf::PLAYER{$_[0]} || do {
997 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
998 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;
999 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1000 } 1466 }
1001 } 1467 }
1002} 1468}
1003 1469
1012 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1013 1479
1014 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1015 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1016 1482
1483 cf::get_slot 0.01;
1484
1017 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1018 Coro::cede; 1486 cf::cede_to_tick;
1019} 1487}
1020 1488
1021sub new($) { 1489sub new($) {
1022 my ($login) = @_; 1490 my ($login) = @_;
1023 1491
1029 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1030 1498
1031 $self 1499 $self
1032} 1500}
1033 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
1034=item $pl->quit_character 1512=item $pl->quit_character
1035 1513
1036Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1037be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1038 1516
1039=cut 1517=cut
1040 1518
1041sub quit_character { 1519sub quit_character {
1042 my ($pl) = @_; 1520 my ($pl) = @_;
1043 1521
1522 my $name = $pl->ob->name;
1523
1044 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1045 $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
1046 1526
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1049 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1050 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1051 1533
1052 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1536 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1537 delete $cf::PLAYER{$pl->ob->name};
1056 $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
1057 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;
1058} 1560}
1059 1561
1060=item cf::player::list_logins 1562=item cf::player::list_logins
1061 1563
1062Returns 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
1063while and may block, so not sync_job-capable, ever. 1565while and may block, so not sync_job-capable, ever.
1064 1566
1065=cut 1567=cut
1066 1568
1067sub list_logins { 1569sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1570 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1571 or return [];
1070 1572
1071 my @logins; 1573 my @logins;
1072 1574
1073 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") {
1074 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1076 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1077 1585
1078 utf8::decode $login; 1586 utf8::decode $login;
1079 push @logins, $login; 1587 push @logins, $login;
1080 } 1588 }
1081 1589
1108 } 1616 }
1109 1617
1110 \@paths 1618 \@paths
1111} 1619}
1112 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
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1114 1715
1115Sends an ext reply to the player. 1716Sends an ext reply to the player.
1116 1717
1117=cut 1718=cut
1118 1719
1119sub ext_reply($$$%) { 1720sub ext_reply($$@) {
1120 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1121 1722
1122 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1123
1124 $self->send ("ext " . cf::to_json \%msg);
1125} 1724}
1126 1725
1127package 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}
1128 1766
1129=back 1767=back
1130
1131 1768
1132=head3 cf::map 1769=head3 cf::map
1133 1770
1134=over 4 1771=over 4
1135 1772
1147our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1148our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1149 1786
1150sub generate_random_map { 1787sub generate_random_map {
1151 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
1152 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1153 $self->_create_random_map ( 1793 $self->_create_random_map (
1154 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1190 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1191 1831
1192 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1193 local $self->{path}; 1833 local $self->{path};
1194 local $self->{load_path}; 1834 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197 1835
1198 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1199} 1837}
1200 1838
1201sub normalise { 1839sub normalise {
1248 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1249 return $self; 1887 return $self;
1250 } 1888 }
1251 } 1889 }
1252 1890
1253 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1254 () 1892 ()
1255} 1893}
1256 1894
1257sub init { 1895sub init {
1258 my ($self) = @_; 1896 my ($self) = @_;
1273 1911
1274# the original (read-only) location 1912# the original (read-only) location
1275sub load_path { 1913sub load_path {
1276 my ($self) = @_; 1914 my ($self) = @_;
1277 1915
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1916 "$MAPDIR/$self->{path}.map"
1279} 1917}
1280 1918
1281# the temporary/swap location 1919# the temporary/swap location
1282sub save_path { 1920sub save_path {
1283 my ($self) = @_; 1921 my ($self) = @_;
1284 1922
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1924 "$TMPDIR/$path.map"
1287} 1925}
1288 1926
1289# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1290sub uniq_path { 1928sub uniq_path {
1291 my ($self) = @_; 1929 my ($self) = @_;
1292 1930
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1932 "$UNIQUEDIR/$path"
1295} 1933}
1296 1934
1297# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1298# all maps in C++... 1936# all maps in C++...
1299sub change_all_map_light { 1937sub change_all_map_light {
1301 1939
1302 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1303 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1304} 1942}
1305 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1306sub unlink_save { 1952sub unlink_save {
1307 my ($self) = @_; 1953 my ($self) = @_;
1308 1954
1309 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1958}
1318 1959
1319sub load_header_from($) { 1960sub load_header_from($) {
1320 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1321 1962
1322 utf8::encode $path; 1963 utf8::encode $path;
1323 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1324 # or return;
1325
1326 $self->_load_header ($path)
1327 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;
1328 1972
1329 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1330 1974
1331 1 1975 1
1332} 1976}
1371 $self->load_header_orig 2015 $self->load_header_orig
1372 or return; 2016 or return;
1373 $self->prepare_orig; 2017 $self->prepare_orig;
1374 } 2018 }
1375 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
1376 1 2026 1
1377} 2027}
1378 2028
1379sub find; 2029sub find;
1380sub find { 2030sub find {
1381 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1382 2032
1383 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1384 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1386 2037
1387 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1389 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1390 or return; 2043 or return;
1391 2044
1392 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1393 2046
1394 $map->load_header 2047 $map->load_header
1395 or return; 2048 or return;
1396 2049
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1400 $map->reset; 2055 $map->reset;
1401 undef $guard;
1402 return find $path; 2056 return find $path;
1403 } 2057 }
1404 2058
1405 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1406 } 2060 }
1413 my ($self) = @_; 2067 my ($self) = @_;
1414 2068
1415 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1416 2070
1417 my $path = $self->{path}; 2071 my $path = $self->{path};
2072
2073 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1419 2075
2076 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 2078
1422 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1423 2080
1424 $self->alloc; 2081 $self->alloc;
1425 2082
1426 $self->pre_load; 2083 $self->pre_load;
2084 cf::cede_to_tick;
1427 2085
1428 $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)
1429 or return; 2089 or return;
1430 2090
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1433 2093
1434 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 2095 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 2098 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1439 } 2102 }
1440 } 2103 }
1441 2104
1442 Coro::cede; 2105 $f->resolve_delayed_derefs;
1443 2106
2107 cf::cede_to_tick;
1444 # now do the right thing for maps 2108 # now do the right thing for maps
1445 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 2111 unless $self->difficulty;
1455 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;
1456 $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);
1457 } 2128 }
1458 2129
1459 $self->post_load; 2130 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 2131}
1463 2132
1464sub customise_for { 2133sub customise_for {
1465 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1466 2135
1467 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 2137 if $self->per_player;
1469 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1470 $self 2142 $self
1471} 2143}
1472 2144
1473# 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
1474sub load_diag { 2146sub load_neighbours {
1475 my ($map) = @_; 2147 my ($map) = @_;
1476 2148
1477 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1478 2150
1479 for (0 .. 3) { 2151 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1481 or next; 2153 or next;
1482 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1483 or next; 2155 or next;
1484 $neigh->load; 2156 $neigh->load;
1485 2157
2158 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2161 }
1489 2162
1490 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1492 or next; 2166 or next;
1493 $neigh->load; 2167 $neigh->load;
1494 } 2168 }
1495} 2169}
1496 2170
1501} 2175}
1502 2176
1503sub do_load_sync { 2177sub do_load_sync {
1504 my ($map) = @_; 2178 my ($map) = @_;
1505 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1506 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1507} 2184}
1508 2185
1509our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1511 2188
1512sub find_async { 2189sub find_async {
1513 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1514 2191
1515 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1516 2193
1517 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519 } 2196 }
1520 2197
1521 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1522 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1523 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2205 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2206 $map->load if $v;
2207 }
1528 2208
1529 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1530 } 2210 }
1531 } 2211 }
1532 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1533 }; 2213 };
1534 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1537} 2217}
1538 2218
1539sub save { 2219sub save {
1540 my ($self) = @_; 2220 my ($self) = @_;
1541 2221
1542 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2223
1544 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1545 2225
1546 return unless $self->dirty; 2226 return unless $self->dirty;
1547 2227
1553 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1554 2234
1555 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1556 2236
1557 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1558 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1559 }; 2240 };
2241
2242 cf::get_slot 0.02;
1560 2243
1561 if ($uniq) { 2244 if ($uniq) {
1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1564 } else { 2247 } else {
1570 my ($self) = @_; 2253 my ($self) = @_;
1571 2254
1572 # save first because save cedes 2255 # save first because save cedes
1573 $self->save; 2256 $self->save;
1574 2257
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2259
1577 return if $self->players; 2260 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1579 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1580 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1581 $self->clear; 2268 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2269}
1584 2270
1585sub reset_at { 2271sub reset_at {
1586 my ($self) = @_; 2272 my ($self) = @_;
1587 2273
1588 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1591 2276
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 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;
1594 2279
1605 my ($self) = @_; 2290 my ($self) = @_;
1606 2291
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2293
1609 return if $self->players; 2294 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2295
1612 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1613 2297
1614 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1615 2299
1616 # need to save uniques path 2300 # need to save uniques path
1617 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1621 if $uniq; 2305 if $uniq;
1622 } 2306 }
1623 2307
1624 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1625 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1626 $self->clear; 2312 $self->clear;
1627
1628 $_->clear_links_to ($self) for values %cf::MAP;
1629 2313
1630 $self->unlink_save; 2314 $self->unlink_save;
1631 $self->destroy; 2315 $self->destroy;
1632} 2316}
1633 2317
1634my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1635 2319
1636sub nuke { 2320sub nuke {
1637 my ($self) = @_; 2321 my ($self) = @_;
1638 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1639 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1640 2327
1641 $self->unlink_save; 2328 $self->unlink_save;
1642 2329
1643 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1644 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1645 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1646 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1647 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648 2335
1649 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1650 2338
1651 $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 ]
1652} 2376}
1653 2377
1654=item cf::map::unique_maps 2378=item cf::map::unique_maps
1655 2379
1656Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1657instantiated unique items. May block. 2381instantiated unique items. May block.
1658 2382
1659=cut 2383=cut
1660 2384
1661sub unique_maps() { 2385sub unique_maps() {
1662 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2386 [
1663 or return; 2387 map {
1664
1665 my @paths;
1666
1667 for (@$files) {
1668 utf8::decode $_; 2388 utf8::decode $_;
1669 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1670 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671 2391 ? ()
1672 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1673 } 2394 ]
1674
1675 \@paths
1676} 2395}
1677
1678package cf;
1679 2396
1680=back 2397=back
1681 2398
1682=head3 cf::object 2399=head3 cf::object
1683 2400
1687 2404
1688=over 4 2405=over 4
1689 2406
1690=item $ob->inv_recursive 2407=item $ob->inv_recursive
1691 2408
1692Returns 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.
1693 2411
1694=cut 2412=cut
1695 2413
1696sub inv_recursive_; 2414sub inv_recursive_;
1697sub inv_recursive_ { 2415sub inv_recursive_ {
1700 2418
1701sub inv_recursive { 2419sub inv_recursive {
1702 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1703} 2421}
1704 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
1705package cf; 2451package cf;
1706 2452
1707=back 2453=back
1708 2454
1709=head3 cf::object::player 2455=head3 cf::object::player
1715Sends 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>
1716can 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
1717dialogue with the given NPC character. 2463dialogue with the given NPC character.
1718 2464
1719=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};
1720 2480
1721# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1722# with dialog boxes. 2482# with dialog boxes.
1723#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
1724sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1726 2486
1727 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728 2488
1729 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1730 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1731 } 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 {
1732 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1733 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1734 } 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 (@_);
1735} 2514}
1736 2515
1737=item $player_object->may ("access") 2516=item $player_object->may ("access")
1738 2517
1739Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1786 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1787 2566
1788 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1789 2568
1790 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1792 2571
1793 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1794} 2573}
1795 2574
1796sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1797 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1798 2579
1799 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1800 2581
1801 unless ($map) { 2582 unless ($map) {
1802 # restore original map position 2583 # restore original map position
1816 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1817 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1818 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1819 2600
1820 $map->load; 2601 $map->load;
1821 $map->load_diag; 2602 $map->load_neighbours;
1822 2603
1823 return unless $self->contr->active; 2604 return unless $self->contr->active;
1824 $self->activate_recursive; 2605 $self->activate_recursive;
2606
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1826} 2609}
1827 2610
1828cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2612
1832 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1836 }; 2617be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2618
1842 # try to abort aborted map switching on player login :)
1843 # should happen only on crashes
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1849 $pl->ob->reply (undef,
1850 "There was an internal problem at your last logout, "
1851 . "the server will try to bring you to your intended destination in a second.",
1852 cf::NDI_RED);
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2619=cut
2620
2621our $GOTOGEN;
1863 2622
1864sub cf::object::player::goto { 2623sub cf::object::player::goto {
1865 my ($self, $path, $x, $y) = @_; 2624 my ($self, $path, $x, $y, $check, $done) = @_;
2625
2626 # do generation counting so two concurrent goto's will be executed in-order
2627 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866 2628
1867 $self->enter_link; 2629 $self->enter_link;
1868 2630
1869 (async { 2631 (async {
2632 $Coro::current->{desc} = "player::goto $path $x $y";
2633
2634 # *tag paths override both path and x|y
2635 if ($path =~ /^\*(.*)$/) {
2636 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2637 my $ob = $obs[rand @obs];
2638
2639 # see if we actually can go there
2640 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2641 $ob = $obs[rand @obs];
2642 } else {
2643 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2644 }
2645 # else put us there anyways for now #d#
2646
2647 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2648 } else {
2649 ($path, $x, $y) = (undef, undef, undef);
2650 }
2651 }
2652
1870 my $map = eval { 2653 my $map = eval {
1871 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
2655
2656 if ($map) {
1872 $map = $map->customise_for ($self) if $map; 2657 $map = $map->customise_for ($self);
2658 $map = $check->($map) if $check && $map;
2659 } else {
2660 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661 }
2662
1873 $map 2663 $map
2664 };
2665
2666 if ($@) {
2667 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2668 LOG llevError | logBacktrace, Carp::longmess $@;
1874 } or 2669 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2670
2671 if ($gen == $self->{_goto_generation}) {
2672 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
2674 }
2675
2676 $done->() if $done;
1878 })->prio (1); 2677 })->prio (1);
1879} 2678}
1880 2679
1881=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
1882 2681
1902} 2701}
1903 2702
1904sub prepare_random_map { 2703sub prepare_random_map {
1905 my ($exit) = @_; 2704 my ($exit) = @_;
1906 2705
1907 my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
1910 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
1911 # that depends on the exit object 2708 # that depends on the exit object
1912 2709
1913 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
1915 if ($exit->map) { 2712 if ($exit->map) {
1916 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
1917 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
1918 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
1919 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
1920 } 2719 }
1921 2720
1922 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
1923 2722
1924 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
1927 2726
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2729 undef $fh;
1931 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
1932 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
1933 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
1934 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
1935 } 2738 }
1936} 2739}
1937 2740
1938sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
1939 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
1940 2743
1941 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
1942 2745
1943 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job
1945 cf::sync_job { prepare_random_map $exit };
1946 }
1947
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp;
1951
1952 $self->enter_link; 2746 $self->enter_link;
1953 2747
1954 (async { 2748 (async {
1955 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
1956 unless (eval { 2751 unless (eval {
2752 $self->deactivate_recursive; # just to be sure
2753
2754 # random map handling
2755 {
2756 my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758 prepare_random_map $exit
2759 if $exit->slaying eq "/!";
2760 }
2761
2762 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2763 my $x = $exit->stats->hp;
2764 my $y = $exit->stats->sp;
2765
1957 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
1958 2767
2768 # if exit is damned, update players death & WoR home-position
2769 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED);
2771
1959 1; 2772 1
1960 }) { 2773 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2775 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2778
1966 warn "ERROR in enter_exit: $@"; 2779 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2780 $self->leave_link;
1968 } 2781 }
1969 })->prio (1); 2782 })->prio (1);
1982 2795
1983sub cf::client::send_drawinfo { 2796sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2797 my ($self, $text, $flags) = @_;
1985 2798
1986 utf8::encode $text; 2799 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2800 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2801}
1989 2802
2803=item $client->send_msg ($channel, $msg, $color, [extra...])
2804
2805Send a drawinfo or msg packet to the client, formatting the msg for the
2806client if neccessary. C<$type> should be a string identifying the type of
2807the message, with C<log> being the default. If C<$color> is negative, suppress
2808the message unless the client supports the msg packet.
2809
2810=cut
2811
2812# non-persistent channels (usually the info channel)
2813our %CHANNEL = (
2814 "c/identify" => {
2815 id => "infobox",
2816 title => "Identify",
2817 reply => undef,
2818 tooltip => "Items recently identified",
2819 },
2820 "c/examine" => {
2821 id => "infobox",
2822 title => "Examine",
2823 reply => undef,
2824 tooltip => "Signs and other items you examined",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/uptime" => {
2851 id => "infobox",
2852 title => "Uptime",
2853 reply => undef,
2854 tooltip => "How long the server has been running since last restart",
2855 },
2856 "c/mapinfo" => {
2857 id => "infobox",
2858 title => "Map Info",
2859 reply => undef,
2860 tooltip => "Information related to the maps",
2861 },
2862 "c/party" => {
2863 id => "party",
2864 title => "Party",
2865 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party",
2867 },
2868);
2869
2870sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_;
2872
2873 $msg = $self->pl->expand_cfpod ($msg);
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel)
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id};
2885
2886 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel)
2891 if $self->can_msg;
2892 }
2893
2894 $channel = $channel->{id};
2895 }
2896
2897 return unless @extra || length $msg;
2898
2899 if ($self->can_msg) {
2900 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF;
2903
2904 $self->send_packet ("msg " . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2906 } else {
2907 if ($color >= 0) {
2908 # replace some tags by gcfclient-compatible ones
2909 for ($msg) {
2910 1 while
2911 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916 }
2917
2918 $color &= cf::NDI_COLOR_MASK;
2919
2920 utf8::encode $msg;
2921
2922 if (0 && $msg =~ /\[/) {
2923 # COMMAND/INFO
2924 $self->send_packet ("drawextinfo $color 10 8 $msg")
2925 } else {
2926 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927 $self->send_packet ("drawinfo $color $msg")
2928 }
2929 }
2930 }
2931}
2932
2933=item $client->ext_msg ($type, @msg)
2934
2935Sends an ext event to the client.
2936
2937=cut
2938
2939sub cf::client::ext_msg($$@) {
2940 my ($self, $type, @msg) = @_;
2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2945 push @msg, msgtype => "event_$type";
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2948}
2949
2950=item $client->ext_reply ($msgid, @msg)
2951
2952Sends an ext reply to the client.
2953
2954=cut
2955
2956sub cf::client::ext_reply($$@) {
2957 my ($self, $id, @msg) = @_;
2958
2959 if ($self->extcmd == 2) {
2960 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961 } elsif ($self->extcmd == 1) {
2962 #TODO: version 1, remove
2963 unshift @msg, msgtype => "reply", msgid => $id;
2964 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965 }
2966}
1990 2967
1991=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
1992 2969
1993Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2971the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2972C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996 2973
1997Queries can fail, so check the return code. Or don't, as queries will become 2974Queries can fail, so check the return code. Or don't, as queries will
1998reliable at some point in the future. 2975become reliable at some point in the future.
1999 2976
2000=cut 2977=cut
2001 2978
2002sub cf::client::query { 2979sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2011 utf8::encode $text; 2988 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 2990
2014 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2016} 2995}
2017 2996
2018cf::client->attach ( 2997cf::client->attach (
2998 on_connect => sub {
2999 my ($ns) = @_;
3000
3001 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3002 },
2019 on_reply => sub { 3003 on_reply => sub {
2020 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2021 3005
2022 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2023 # get handled first 3007 # get handled first
2035 } else { 3019 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 3021 }
2038 } 3022 }
2039 }, 3023 },
3024 on_exticmd => sub {
3025 my ($ns, $buf) = @_;
3026
3027 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028
3029 if (ref $msg) {
3030 my ($type, $reply, @payload) =
3031 "ARRAY" eq ref $msg
3032 ? @$msg
3033 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034
3035 my @reply;
3036
3037 if (my $cb = $EXTICMD{$type}) {
3038 @reply = $cb->($ns, @payload);
3039 }
3040
3041 $ns->ext_reply ($reply, @reply)
3042 if $reply;
3043
3044 } else {
3045 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046 }
3047
3048 cf::override;
3049 },
2040); 3050);
2041 3051
2042=item $client->async (\&cb) 3052=item $client->async (\&cb)
2043 3053
2044Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2085our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2087 3097
2088$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2089 3099
2090$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3100$safe->permit_only (Opcode::opset qw(
3101 :base_core :base_mem :base_orig :base_math
3102 grepstart grepwhile mapstart mapwhile
3103 sort time
3104));
2091 3105
2092# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2093 3107
2094=pod 3108=pod
2095 3109
2096The following fucntions and emthods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2097 3111
2098 cf::object contr pay_amount pay_player map 3112 cf::object
3113 contr pay_amount pay_player map x y force_find force_add destroy
3114 insert remove name archname title slaying race decrease split
3115
2099 cf::object::player player 3116 cf::object::player
2100 cf::player peaceful 3117 player
2101 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2102 3124
2103=cut 3125=cut
2104 3126
2105for ( 3127for (
2106 ["cf::object" => qw(contr pay_amount pay_player map)], 3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)],
2107 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2109 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2110) { 3134) {
2111 no strict 'refs'; 3135 no strict 'refs';
2182=back 3206=back
2183 3207
2184=cut 3208=cut
2185 3209
2186############################################################################# 3210#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257
2258#############################################################################
2259# the server's init and main functions 3211# the server's init and main functions
2260 3212
3213sub load_facedata($) {
3214 my ($path) = @_;
3215
3216 # HACK to clear player env face cache, we need some signal framework
3217 # for this (global event?)
3218 %ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221
3222 warn "loading facedata from $path\n";
3223
3224 my $facedata;
3225 0 < aio_load $path, $facedata
3226 or die "$path: $!";
3227
3228 $facedata = Coro::Storable::thaw $facedata;
3229
3230 $facedata->{version} == 2
3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
3232
3233 # patch in the exptable
3234 $facedata->{resource}{"res/exp_table"} = {
3235 type => FT_RSRC,
3236 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237 };
3238 cf::cede_to_tick;
3239
3240 {
3241 my $faces = $facedata->{faceinfo};
3242
3243 while (my ($face, $info) = each %$faces) {
3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3250
3251 cf::cede_to_tick;
3252 }
3253
3254 while (my ($face, $info) = each %$faces) {
3255 next unless $info->{smooth};
3256
3257 my $idx = cf::face::find $face
3258 or next;
3259
3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263 } else {
3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
3265 }
3266
3267 cf::cede_to_tick;
3268 }
3269 }
3270
3271 {
3272 my $anims = $facedata->{animinfo};
3273
3274 while (my ($anim, $info) = each %$anims) {
3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
3276 cf::cede_to_tick;
3277 }
3278
3279 cf::anim::invalidate_all; # d'oh
3280 }
3281
3282 {
3283 # TODO: for gcfclient pleasure, we should give resources
3284 # that gcfclient doesn't grok a >10000 face index.
3285 my $res = $facedata->{resource};
3286
3287 while (my ($name, $info) = each %$res) {
3288 if (defined $info->{type}) {
3289 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290 my $data;
3291
3292 if ($info->{type} & 1) {
3293 # prepend meta info
3294
3295 my $meta = $enc->encode ({
3296 name => $name,
3297 %{ $info->{meta} || {} },
3298 });
3299
3300 $data = pack "(w/a*)*", $meta, $info->{data};
3301 } else {
3302 $data = $info->{data};
3303 }
3304
3305 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306 cf::face::set_type $idx, $info->{type};
3307 } else {
3308 $RESOURCE{$name} = $info;
3309 }
3310
3311 cf::cede_to_tick;
3312 }
3313 }
3314
3315 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316
3317 1
3318}
3319
3320cf::global->attach (on_resource_update => sub {
3321 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325 my $sound = $soundconf->{compat}[$_]
3326 or next;
3327
3328 my $face = cf::face::find "sound/$sound->[1]";
3329 cf::sound::set $sound->[0] => $face;
3330 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331 }
3332
3333 while (my ($k, $v) = each %{$soundconf->{event}}) {
3334 my $face = cf::face::find "sound/$v";
3335 cf::sound::set $k => $face;
3336 }
3337 }
3338});
3339
3340register_exticmd fx_want => sub {
3341 my ($ns, $want) = @_;
3342
3343 while (my ($k, $v) = each %$want) {
3344 $ns->fx_want ($k, $v);
3345 }
3346};
3347
2261sub load_resources { 3348sub load_resource_file($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3349 my $guard = lock_acquire "load_resource_file";
3350
3351 my $status = load_resource_file_ $_[0];
3352 get_slot 0.1, 100;
3353 cf::arch::commit_load;
3354
3355 $status
3356}
3357
3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
3363 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 3364 or die "unable to load regions file\n";
2264}
2265 3365
2266sub cfg_load { 3366 for (cf::region::list) {
3367 $_->{match} = qr/$_->{match}/
3368 if exists $_->{match};
3369 }
3370}
3371
3372sub reload_facedata {
3373 load_facedata "$DATADIR/facedata"
3374 or die "unable to load facedata\n";
3375}
3376
3377sub reload_archetypes {
3378 load_resource_file "$DATADIR/archetypes"
3379 or die "unable to load archetypes\n";
3380}
3381
3382sub reload_treasures {
3383 load_resource_file "$DATADIR/treasures"
3384 or die "unable to load treasurelists\n";
3385}
3386
3387sub reload_resources {
3388 warn "reloading resource files...\n";
3389
3390 reload_facedata;
3391 reload_archetypes;
3392 reload_regions;
3393 reload_treasures;
3394
3395 warn "finished reloading resource files\n";
3396}
3397
3398sub init {
3399 my $guard = freeze_mainloop;
3400
3401 evthread_start IO::AIO::poll_fileno;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3408 or return;
2269 3409
2270 local $/; 3410 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2272 3412
2273 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274 3414
2275 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2282 }; 3422 };
2283 warn $@ if $@; 3423 warn $@ if $@;
2284 } 3424 }
2285} 3425}
2286 3426
2287sub init {
2288 load_resources;
2289}
2290
2291sub main { 3427sub main {
2292 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2294 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295 (async { 3431 (async {
2296 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2297 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2298 }; 3435 };
2299 3436
2300 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2301 db_init; 3440 db_init;
2302 load_extensions; 3441 load_extensions;
2303 3442
2304 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2305 $WRITE_RUNTIME_WATCHER->start; 3444 }
3445
2306 Event::loop; 3446 EV::loop;
2307} 3447}
2308 3448
2309############################################################################# 3449#############################################################################
2310# initialisation and cleanup 3450# initialisation and cleanup
2311 3451
2312# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2313BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2314 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2315 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2316 reentrant => 0,
2317 data => WF_AUTOCANCEL,
2318 signal => $signal,
2319 prio => 0,
2320 cb => sub {
2321 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2322 },
2323 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2324 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2325} 3541}
2326 3542
2327sub emergency_save() { 3543sub emergency_save() {
2328 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2329 3545
2335 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2336 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2337 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2338 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2339 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340 $pl->save; 3557 $pl->save;
2341 } 3558 }
2342 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2343 3560
2344 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2350 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2351 3568
2352 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2353 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2354 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2355 }; 3576 };
2356 3577
2357 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2358} 3579}
2359 3580
2362 3583
2363 warn Carp::longmess "post_cleanup backtrace" 3584 warn Carp::longmess "post_cleanup backtrace"
2364 if $make_core; 3585 if $make_core;
2365} 3586}
2366 3587
2367sub reload() { 3588sub do_reload_perl() {
2368 # can/must only be called in main 3589 # can/must only be called in main
2369 if ($Coro::current != $Coro::main) { 3590 if ($Coro::current != $Coro::main) {
2370 warn "can only reload from main coroutine"; 3591 warn "can only reload from main coroutine";
2371 return; 3592 return;
2372 } 3593 }
2374 warn "reloading..."; 3595 warn "reloading...";
2375 3596
2376 warn "entering sync_job"; 3597 warn "entering sync_job";
2377 3598
2378 cf::sync_job { 3599 cf::sync_job {
2379 cf::write_runtime; 3600 cf::write_runtime_sync; # external watchdog should not bark
2380 cf::emergency_save; 3601 cf::emergency_save;
2381 cf::write_runtime; 3602 cf::write_runtime_sync; # external watchdog should not bark
2382 3603
2383 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2384 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2385 3606
2386 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2387
2388 warn "cancelling all WF_AUTOCANCEL watchers";
2389 for (Event::all_watchers) {
2390 $_->cancel if $_->data & WF_AUTOCANCEL;
2391 }
2392 3608
2393 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2394 for (;;) { 3610 for (;;) {
2395 BDB::flush; 3611 BDB::flush;
2396 IO::AIO::flush; 3612 IO::AIO::flush;
2397 Coro::cede; 3613 Coro::cede_notself;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 3615 warn "iterate...";
2400 } 3616 }
3617
3618 ++$RELOAD;
2401 3619
2402 warn "cancelling all extension coros"; 3620 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 3621 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 3622 %EXT_CORO = ();
2405 3623
2406 warn "removing commands"; 3624 warn "removing commands";
2407 %COMMAND = (); 3625 %COMMAND = ();
2408 3626
2409 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2410 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2411 3630
2412 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2415 3634
2445 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3666
2448 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2450 3670
2451 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3672 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2454 3674
2457 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2458 require cf; 3678 require cf;
2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460 3680
2461 warn "loading config and database again"; 3681 warn "loading config and database again";
2462 cf::cfg_load; 3682 cf::reload_config;
2463 3683
2464 warn "loading extensions"; 3684 warn "loading extensions";
2465 cf::load_extensions; 3685 cf::load_extensions;
2466 3686
2467 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3688 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3689 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3690 reattach $_ for values %MAP;
2471 3691 warn "reattaching attachments to players";
2472 warn "loading reloadable resources"; 3692 reattach $_ for values %PLAYER;
2473 load_resources;
2474 3693
2475 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2476 3695
2477 1 3696 1
2478 } or do { 3697 } or do {
2479 warn $@; 3698 warn $@;
2480 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2481 exit 1;
2482 }; 3700 };
2483 3701
2484 warn "reloaded"; 3702 warn "reloaded";
2485}; 3703};
2486 3704
2487our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
2488 3706
3707sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here.
3710
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3712 do_reload_perl;
3713 undef $RELOAD_WATCHER;
3714 };
3715}
3716
2489register_command "reload" => sub { 3717register_command "reload" => sub {
2490 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2491 3719
2492 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2493 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
2494 3722 async {
2495 # doing reload synchronously and two reloads happen back-to-back, 3723 $Coro::current->{desc} = "perl_reload";
2496 # coro crashes during coro_state_free->destroy here.
2497
2498 $RELOAD_WATCHER ||= Event->timer (
2499 reentrant => 0,
2500 after => 0,
2501 data => WF_AUTOCANCEL,
2502 cb => sub {
2503 reload; 3724 reload_perl;
2504 undef $RELOAD_WATCHER;
2505 },
2506 ); 3725 };
2507 } 3726 }
2508}; 3727};
2509 3728
2510unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2511 3730
2512my $bug_warning = 0; 3731my $bug_warning = 0;
2513 3732
2514$TICK_WATCHER = Event->timer ( 3733our @WAIT_FOR_TICK;
2515 reentrant => 0, 3734our @WAIT_FOR_TICK_BEGIN;
2516 parked => 1, 3735
2517 prio => 0, 3736sub wait_for_tick {
2518 at => $NEXT_TICK || $TICK, 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2519 data => WF_AUTOCANCEL, 3738
2520 cb => sub { 3739 my $signal = new Coro::Signal;
3740 push @WAIT_FOR_TICK, $signal;
3741 $signal->wait;
3742}
3743
3744sub wait_for_tick_begin {
3745 return if tick_inhibit || $Coro::current == $Coro::main;
3746
3747 my $signal = new Coro::Signal;
3748 push @WAIT_FOR_TICK_BEGIN, $signal;
3749 $signal->wait;
3750}
3751
3752sub tick {
2521 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2522 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2524 return; 3756 return;
2525 } 3757 }
2526 3758
2527 $NOW = Event::time;
2528
2529 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2530 $RUNTIME += $TICK;
2531 $NEXT_TICK += $TICK;
2532 3760
2533 $WAIT_FOR_TICK->broadcast; 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2535 3763 Coro::async_pool {
2536# my $AFTER = Event::time; 3764 $Coro::current->{desc} = "runtime saver";
2537# warn $AFTER - $NOW;#d# 3765 write_runtime_sync
2538 3766 or warn "ERROR: unable to write runtime file: $!";
2539 # if we are delayed by four ticks or more, skip them all 3767 };
2540 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2541
2542 $TICK_WATCHER->at ($NEXT_TICK);
2543 $TICK_WATCHER->start;
2544 }, 3768 }
2545); 3769
3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771 $sig->send;
3772 }
3773 while (my $sig = shift @WAIT_FOR_TICK) {
3774 $sig->send;
3775 }
3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
2546 3788
2547{ 3789{
2548 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2549 $BDB_POLL_WATCHER = Event->io ( 3791
2550 reentrant => 0,
2551 fd => BDB::poll_fileno,
2552 poll => 'r',
2553 prio => 0,
2554 data => WF_AUTOCANCEL,
2555 cb => \&BDB::poll_cb,
2556 );
2557 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2558 3793 BDB::max_poll_reqs $TICK * 0.1;
2559 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2560 my $status;
2561 my $current = $Coro::current;
2562 (
2563 sub {
2564 $status = $!;
2565 $current->ready; undef $current;
2566 },
2567 sub {
2568 Coro::schedule while defined $current;
2569 $! = $status;
2570 },
2571 )
2572 };
2573 3795
2574 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2575 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576 3802
2577 cf::sync_job { 3803 cf::sync_job {
2578 eval { 3804 eval {
2579 BDB::db_env_open 3805 BDB::db_env_open
2580 $DB_ENV, 3806 $DB_ENV,
2581 $BDB_ENV_DIR, 3807 $BDBDIR,
2582 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584 0666; 3810 0666;
2585 3811
2586 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589 $DB_ENV->set_lk_detect;
2590 }; 3813 };
2591 3814
2592 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2593 }; 3816 };
2594 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2595} 3828}
2596 3829
2597{ 3830{
3831 # configure IO::AIO
3832
2598 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2599
2600 undef $Coro::AIO::WATCHER;
2601 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2602 $AIO_POLL_WATCHER = Event->io ( 3835 undef $AnyEvent::AIO::WATCHER;
2603 reentrant => 0,
2604 fd => IO::AIO::poll_fileno,
2605 poll => 'r',
2606 prio => 6,
2607 data => WF_AUTOCANCEL,
2608 cb => \&IO::AIO::poll_cb,
2609 );
2610} 3836}
2611 3837
2612$WRITE_RUNTIME_WATCHER = Event->timer ( 3838my $_log_backtrace;
2613 reentrant => 0,
2614 data => WF_AUTOCANCEL,
2615 parked => 1,
2616 after => 1,
2617 interval => 10,
2618 prio => 6, # keep it lowest so it acts like a watchdog
2619 cb => sub {
2620 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621 3839
2622 Coro::async_pool { 3840sub _log_backtrace {
2623 write_runtime 3841 my ($msg, @addr) = @_;
2624 or warn "ERROR: unable to write runtime file: $!"; 3842
3843 $msg =~ s/\n//;
3844
3845 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
2625 }; 3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 3875 }
2627); 3876}
3877
3878# load additional modules
3879use cf::pod;
2628 3880
2629END { cf::emergency_save } 3881END { cf::emergency_save }
2630 3882
26311 38831
2632 3884

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