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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 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 3.2;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro 4.50 ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::EV;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
18use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
45use Coro::Storable;
46use Coro::Util ();
19 47
48use JSON::XS 2.01 ();
20use BDB (); 49use BDB ();
21use Data::Dumper; 50use Data::Dumper;
22use Digest::MD5; 51use Digest::MD5;
23use Fcntl; 52use Fcntl;
53use YAML ();
24use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
25use YAML::Syck ();
26use Time::HiRes; 55use Time::HiRes;
27use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
28 58
59# configure various modules to our taste
60#
61$Storable::canonical = 1; # reduce rsync transfers
62Coro::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 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 64
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 66
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub 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 68
40our %COMMAND = (); 69our %COMMAND = ();
41our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
42 71
43our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
47 77
78our $RELOAD; # number of reloads so far
48our @EVENT; 79our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 80
51our $TICK = MAX_TIME * 1e-6; 81our $CONFDIR = confdir;
52our $TICK_WATCHER; 82our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
93
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 97our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
58 99
59our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 104our $DB_ENV;
61 105
62our %CFG; 106our %CFG;
63 107
64our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 109our $RUNTIME;
110our $NOW;
66 111
67our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 114our $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;
75 115
76# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 118
119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes
123
79binmode STDOUT; 124binmode STDOUT;
80binmode STDERR; 125binmode STDERR;
81 126
82# read virtual server time, if available 127# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 128unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 129 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 130 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 131 $RUNTIME = <$fh> + 0.;
87} 132}
88 133
89mkdir cf::localdir; 134mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 136
96our $EMERGENCY_POSITION; 137our $EMERGENCY_POSITION;
97 138
98sub cf::map::normalise; 139sub cf::map::normalise;
99 140
110=item $cf::RUNTIME 151=item $cf::RUNTIME
111 152
112The time this server has run, starts at 0 and is increased by $cf::TICK on 153The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 154every server tick.
114 155
115=item $cf::LIBDIR 156=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 159
117The perl library directory, where extensions and cf-specific modules can 160Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 161directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162unique-items directory, player file directory, random maps directory and
163database environment.
119 164
120=item $cf::NOW 165=item $cf::NOW
121 166
122The time of the last (current) server tick. 167The time of the last (current) server tick.
123 168
124=item $cf::TICK 169=item $cf::TICK
125 170
126The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
127 172
173=item $cf::LOADAVG
174
175The current CPU load on the server (alpha-smoothed), as a value between 0
176(none) and 1 (overloaded), indicating how much time is spent on processing
177objects per tick. Healthy values are < 0.5.
178
179=item $cf::LOAD
180
181The raw value load value from the last tick.
182
128=item %cf::CFG 183=item %cf::CFG
129 184
130Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 186from wherever your confdir points to.
132 187
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 188=item cf::wait_for_tick, cf::wait_for_tick_begin
134 189
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 190These 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 191returns 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 192per 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. 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
139 199
140=back 200=back
141 201
142=cut 202=cut
143 203
144BEGIN { 204BEGIN {
145 *CORE::GLOBAL::warn = sub { 205 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 206 my $msg = join "", @_;
147 utf8::encode $msg;
148 207
149 $msg .= "\n" 208 $msg .= "\n"
150 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
151 210
211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212
152 LOG llevError, $msg; 213 LOG llevError, $msg;
153 }; 214 };
154} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
155 231
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 239
163# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 241# within the Safe compartment.
165for my $pkg (qw( 242for my $pkg (qw(
166 cf::global cf::attachable 243 cf::global cf::attachable
171)) { 248)) {
172 no strict 'refs'; 249 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 251}
175 252
176$Event::DIED = sub { 253$EV::DIED = sub {
177 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
178}; 255};
256
257#############################################################################
179 258
180=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
181 260
182=over 4 261=over 4
183 262
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 282 $d
204 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
205} 284}
206 285
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
210 287
211Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
212 289
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
221 291
222Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
223 293
224=cut 294=cut
225 295
226sub to_json($) { 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 297
228 JSON::Syck::Dump $_[0] 298sub encode_json($) { $json_coder->encode ($_[0]) }
229} 299sub decode_json($) { $json_coder->decode ($_[0]) }
230 300
231=item cf::lock_wait $string 301=item cf::lock_wait $string
232 302
233Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
234 304
237Wait until the given lock is available and then acquires it and returns 307Wait 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, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
240returned. 310returned.
241 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
242Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
244 317
318=item $locked = cf::lock_active $string
319
320Return true if the lock is currently active, i.e. somebody has locked it.
321
245=cut 322=cut
246 323
247our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
248 326
249sub lock_wait($) { 327sub lock_wait($) {
250 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
251 334
252 # wait for lock, if any 335 # wait for lock, if any
253 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 338 Coro::schedule;
261 344
262 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
263 lock_wait $key; 346 lock_wait $key;
264 347
265 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
266 350
267 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
270 } 355 }
271} 356}
272 357
358sub lock_active($) {
359 my ($key) = @_;
360
361 ! ! $LOCK{$key}
362}
363
273sub freeze_mainloop { 364sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
275 366
276 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
277 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
278 }; 428 }
279 $TICK_WATCHER->stop; 429};
280 $guard 430
431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
281} 443}
282 444
283=item cf::async { BLOCK } 445=item cf::async { BLOCK }
284 446
285Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
290 452
291BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
292 454
293=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
294 456
295The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
298 461
299If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
302fast or be very important. 465fast or be very important.
305 468
306sub sync_job(&) { 469sub sync_job(&) {
307 my ($job) = @_; 470 my ($job) = @_;
308 471
309 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
473 my $time = EV::time;
474
310 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
312 477
313 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 479
315 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
316 481
317 my $busy = 1; 482 my $busy = 1;
318 my @res; 483 my @res;
319 484
320 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 487 @res = eval { $job->() };
322 warn $@ if $@; 488 warn $@ if $@;
323 undef $busy; 489 undef $busy;
324 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
325 491
326 while ($busy) { 492 while ($busy) {
327 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
328 } 497 }
498 }
499
500 my $time = EV::time - $time;
501
502 $TICK_START += $time; # do not account sync jobs to server load
329 503
330 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
331 } else { 505 } else {
332 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
333 507
353 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
354 528
355 $coro 529 $coro
356} 530}
357 531
358sub write_runtime { 532=item fork_call { }, $args
359 my $guard = cf::lock_acquire "write_runtime";
360 533
361 my $runtime = cf::localdir . "/runtime"; 534Executes the given code block with the given arguments in a seperate
535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
362 538
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 539=cut
364 or return;
365 540
366 my $value = $cf::RUNTIME + 90 + 10; 541sub fork_call(&@) {
367 # 10 is the runtime save interval, for a monotonic clock 542 my ($cb, @args) = @_;
368 # 60 allows for the watchdog to kill the server.
369 543
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544 # we seemingly have to make a local copy of the whole thing,
371 and return; 545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
372 547
373 # always fsync - this file is important 548 my @res = Coro::Util::fork_eval {
374 aio_fsync $fh 549 reset_signals;
375 and return; 550 &$cb
551 }, @args;
376 552
377 close $fh 553 wantarray ? @res : $res[-1]
378 or return; 554}
379 555
380 aio_rename "$runtime~", $runtime 556=item $coin = coin_from_name $name
381 and return;
382 557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
582
583=item $value = cf::db_get $family => $key
584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
610 };
611 cf::cleanup "db_open(db): $@" if $@;
612
613 $db
614}
615
616our $DB;
617
618sub db_init {
619 cf::sync_job {
620 $DB ||= db_table "db";
621 };
622}
623
624sub db_get($$) {
625 my $key = "$_[0]/$_[1]";
626
627 cf::sync_job {
628 BDB::db_get $DB, undef, $key, my $data;
629
630 $! ? ()
631 : $data
383 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
708}
709
710=item cf::datalog type => key => value, ...
711
712Log a datalog packet of the given type with the given key-value pairs.
713
714=cut
715
716sub datalog($@) {
717 my ($type, %kv) = @_;
718 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 719}
385 720
386=back 721=back
387 722
388=cut 723=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
397 732
398In the following description, CLASS can be any of C<global>, C<object> 733In 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 734C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 735Deliantra).
401 736
402=over 4 737=over 4
403 738
404=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
405 740
568 $registry = $CB_TYPE[$object_type] ||= []; 903 $registry = $CB_TYPE[$object_type] ||= [];
569 904
570 } elsif ($type eq "subtype") { 905 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 906 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 907 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 908 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 909
575 } elsif ($type eq "package") { 910 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 911 my $pkg = shift @arg;
577 912
578 while (my ($name, $id) = each %cb_id) { 913 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
608 } 943 }
609 944
610 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
611 } else { 946 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 948 }
614 949
615 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
616} 951}
617 952
619 if (ref $_[0]) { 954 if (ref $_[0]) {
620 _object_attach @_; 955 _object_attach @_;
621 } else { 956 } else {
622 _attach shift->_attach_registry, @_; 957 _attach shift->_attach_registry, @_;
623 } 958 }
959 _recalc_want;
624}; 960};
625 961
626# all those should be optimised 962# all those should be optimised
627sub cf::attachable::detach { 963sub cf::attachable::detach {
628 my ($obj, $name) = @_; 964 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 967 delete $obj->{_attachment}{$name};
632 reattach ($obj); 968 reattach ($obj);
633 } else { 969 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 970 Carp::croak "cannot, currently, detach class attachments";
635 } 971 }
972 _recalc_want;
636}; 973};
637 974
638sub cf::attachable::attached { 975sub cf::attachable::attached {
639 my ($obj, $name) = @_; 976 my ($obj, $name) = @_;
640 977
655 "; 992 ";
656 die if $@; 993 die if $@;
657} 994}
658 995
659our $override; 996our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 998
662sub override { 999sub override {
663 $override = 1; 1000 $override = 1;
664 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
665} 1002}
666 1003
667sub do_invoke { 1004sub do_invoke {
668 my $event = shift; 1005 my $event = shift;
669 my $callbacks = shift; 1006 my $callbacks = shift;
670 1007
671 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
672 1009
673 local $override; 1010 local $override;
674 1011
675 for (@$callbacks) { 1012 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
685 } 1022 }
686 1023
687 0 1024 0
688} 1025}
689 1026
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1028
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1030
694Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
695 1032
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This 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 1034removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1036
700=back 1037=back
701 1038
702=cut 1039=cut
703 1040
704############################################################################# 1041#############################################################################
705# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
706 1085
707sub reattach { 1086sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1088 my ($obj) = @_;
710 1089
731cf::attachable->attach ( 1110cf::attachable->attach (
732 prio => -1000000, 1111 prio => -1000000,
733 on_instantiate => sub { 1112 on_instantiate => sub {
734 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
735 1114
736 $data = from_json $data; 1115 $data = decode_json $data;
737 1116
738 for (@$data) { 1117 for (@$data) {
739 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
740 1119
741 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
757sub object_freezer_save { 1136sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
759 1138
760 sync_job { 1139 sync_job {
761 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
764 1144
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1146 chmod SAVE_MODE, $fh;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
769 close $fh; 1149 close $fh;
770 1150
771 if (@$objs) { 1151 if (@$objs) {
772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773 chmod SAVE_MODE, $fh; 1153 chmod SAVE_MODE, $fh;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
776 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
777 close $fh; 1157 close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
779 } 1159 }
787 } 1167 }
788 } else { 1168 } else {
789 aio_unlink $filename; 1169 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
791 } 1171 }
792 } 1172 };
793} 1173}
794 1174
795sub object_freezer_as_string { 1175sub object_freezer_as_string {
796 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
797 1177
809 or return; 1189 or return;
810 1190
811 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
812 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
813 or return; 1193 or return;
1194
814 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
815 } 1197 }
816 1198
1199 utf8::decode (my $decname = $filename);
817 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
819 return ($data, $av); 1203 ($data, $av)
820} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
821 1211
822############################################################################# 1212#############################################################################
823# command handling &c 1213# command handling &c
824 1214
825=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1229}
840 1230
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1232
843Register a callbackf ro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
844 1238
845If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
846called. 1240called.
847 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
848=cut 1253=cut
849 1254
850sub register_extcmd { 1255sub register_extcmd {
851 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
852 1257
853 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
854} 1265}
855 1266
856cf::player->attach ( 1267cf::player->attach (
857 on_command => sub { 1268 on_command => sub {
858 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
867 cf::override; 1278 cf::override;
868 }, 1279 },
869 on_extcmd => sub { 1280 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
871 1282
872 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1284
874 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
877 $pl->ext_reply ($msg->{msgid}, %reply);
878 }
879 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
880 } else { 1300 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1302 }
883 1303
884 cf::override; 1304 cf::override;
885 }, 1305 },
886); 1306);
887 1307
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
923 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1313 next unless -r $path;
925 eval { 1314
926 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
927 1 1371 }
928 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
929 } 1377 };
930} 1378}
931 1379
932############################################################################# 1380#############################################################################
933 1381
1382=back
1383
934=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
935 1385
936Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
937 1387
938=cut 1388=cut
943 1393
944=head3 cf::player 1394=head3 cf::player
945 1395
946=over 4 1396=over 4
947 1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
1411
948=item cf::player::find $login 1412=item cf::player::find $login
949 1413
950Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
951 1415
952=cut 1416=cut
953 1417
954sub playerdir($) { 1418sub playerdir($) {
955 cf::localdir 1419 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1420 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1421}
961 1422
962sub path($) { 1423sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1424 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1425
965 (playerdir $login) . "/$login.pl" 1426 (playerdir $login) . "/playerdata"
966} 1427}
967 1428
968sub find_active($) { 1429sub find_active($) {
969 $cf::PLAYER{$_[0]} 1430 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1431 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1444 my $login = $_[0];
984 1445
985 my $guard = cf::lock_acquire "user_find:$login"; 1446 my $guard = cf::lock_acquire "user_find:$login";
986 1447
987 $cf::PLAYER{$_[0]} || do { 1448 $cf::PLAYER{$_[0]} || do {
988 my $pl = load_pl path $login 1449 # rename old playerfiles to new ones
1450 #TODO: remove when no longer required
1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1454 aio_unlink +(playerdir $login) . "/$login.pl";
1455
1456 my $f = new_from_file cf::object::thawer path $login
989 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461 local $cf::PLAYER_LOADING{$login} = $pl;
1462 $f->resolve_delayed_derefs;
990 $cf::PLAYER{$login} = $pl 1463 $cf::PLAYER{$login} = $pl
991 } 1464 }
992 } 1465 }
993} 1466}
994 1467
1003 return if $pl->{deny_save}; 1476 return if $pl->{deny_save};
1004 1477
1005 aio_mkdir playerdir $pl, 0770; 1478 aio_mkdir playerdir $pl, 0770;
1006 $pl->{last_save} = $cf::RUNTIME; 1479 $pl->{last_save} = $cf::RUNTIME;
1007 1480
1481 cf::get_slot 0.01;
1482
1008 $pl->save_pl ($path); 1483 $pl->save_pl ($path);
1009 Coro::cede; 1484 cf::cede_to_tick;
1010} 1485}
1011 1486
1012sub new($) { 1487sub new($) {
1013 my ($login) = @_; 1488 my ($login) = @_;
1014 1489
1020 $cf::PLAYER{$login} = $self; 1495 $cf::PLAYER{$login} = $self;
1021 1496
1022 $self 1497 $self
1023} 1498}
1024 1499
1500=item $player->send_msg ($channel, $msg, $color, [extra...])
1501
1502=cut
1503
1504sub send_msg {
1505 my $ns = shift->ns
1506 or return;
1507 $ns->send_msg (@_);
1508}
1509
1025=item $pl->quit_character 1510=item $pl->quit_character
1026 1511
1027Nukes the player without looking back. If logged in, the connection will 1512Nukes the player without looking back. If logged in, the connection will
1028be destroyed. May block for a long time. 1513be destroyed. May block for a long time.
1029 1514
1030=cut 1515=cut
1031 1516
1032sub quit_character { 1517sub quit_character {
1033 my ($pl) = @_; 1518 my ($pl) = @_;
1519
1520 my $name = $pl->ob->name;
1034 1521
1035 $pl->{deny_save} = 1; 1522 $pl->{deny_save} = 1;
1036 $pl->password ("*"); # this should lock out the player until we nuked the dir 1523 $pl->password ("*"); # this should lock out the player until we nuked the dir
1037 1524
1038 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1525 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1043 my $path = playerdir $pl; 1530 my $path = playerdir $pl;
1044 my $temp = "$path~$cf::RUNTIME~deleting~"; 1531 my $temp = "$path~$cf::RUNTIME~deleting~";
1045 aio_rename $path, $temp; 1532 aio_rename $path, $temp;
1046 delete $cf::PLAYER{$pl->ob->name}; 1533 delete $cf::PLAYER{$pl->ob->name};
1047 $pl->destroy; 1534 $pl->destroy;
1535
1536 my $prefix = qr<^~\Q$name\E/>;
1537
1538 # nuke player maps
1539 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1540
1048 IO::AIO::aio_rmtree $temp; 1541 IO::AIO::aio_rmtree $temp;
1542}
1543
1544=item $pl->kick
1545
1546Kicks a player out of the game. This destroys the connection.
1547
1548=cut
1549
1550sub kick {
1551 my ($pl, $kicker) = @_;
1552
1553 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1554 $pl->killer ("kicked");
1555 $pl->ns->destroy;
1049} 1556}
1050 1557
1051=item cf::player::list_logins 1558=item cf::player::list_logins
1052 1559
1053Returns am arrayref of all valid playernames in the system, can take a 1560Returns am arrayref of all valid playernames in the system, can take a
1054while and may block, so not sync_job-capable, ever. 1561while and may block, so not sync_job-capable, ever.
1055 1562
1056=cut 1563=cut
1057 1564
1058sub list_logins { 1565sub list_logins {
1059 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1566 my $dirs = aio_readdir $PLAYERDIR
1060 or return []; 1567 or return [];
1061 1568
1062 my @logins; 1569 my @logins;
1063 1570
1064 for my $login (@$dirs) { 1571 for my $login (@$dirs) {
1572 my $path = path $login;
1573
1574 # a .pst is a dead give-away for a valid player
1575 unless (-e "$path.pst") {
1065 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1576 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066 aio_read $fh, 0, 512, my $buf, 0 or next; 1577 aio_read $fh, 0, 512, my $buf, 0 or next;
1067 $buf !~ /^password -------------$/m or next; # official not-valid tag 1578 $buf !~ /^password -------------$/m or next; # official not-valid tag
1579 }
1068 1580
1069 utf8::decode $login; 1581 utf8::decode $login;
1070 push @logins, $login; 1582 push @logins, $login;
1071 } 1583 }
1072 1584
1099 } 1611 }
1100 1612
1101 \@paths 1613 \@paths
1102} 1614}
1103 1615
1616=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1617
1618Expand crossfire pod fragments into protocol xml.
1619
1620=cut
1621
1622use re 'eval';
1623
1624my $group;
1625my $interior; $interior = qr{
1626 # match a pod interior sequence sans C<< >>
1627 (?:
1628 \ (.*?)\ (?{ $group = $^N })
1629 | < (??{$interior}) >
1630 )
1631}x;
1632
1633sub expand_cfpod {
1634 my ($self, $pod) = @_;
1635
1636 my $xml;
1637
1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1641
1642 $group =~ s/&/&amp;/g;
1643 $group =~ s/</&lt;/g;
1644
1645 $xml .= $group;
1646 } elsif ($pod =~ m%\G
1647 ([BCGHITU])
1648 <
1649 (?:
1650 ([^<>]*) (?{ $group = $^N })
1651 | < $interior >
1652 )
1653 >
1654 %gcsx
1655 ) {
1656 my ($code, $data) = ($1, $group);
1657
1658 if ($code eq "B") {
1659 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660 } elsif ($code eq "I") {
1661 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662 } elsif ($code eq "U") {
1663 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664 } elsif ($code eq "C") {
1665 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666 } elsif ($code eq "T") {
1667 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668 } elsif ($code eq "G") {
1669 my ($male, $female) = split /\|/, $data;
1670 $data = $self->gender ? $female : $male;
1671 $xml .= expand_cfpod ($self, $data);
1672 } elsif ($code eq "H") {
1673 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675 "")
1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1687
1688 for ($xml) {
1689 # create single paragraphs (very hackish)
1690 s/(?<=\S)\n(?=\w)/ /g;
1691
1692 # compress some whitespace
1693 s/\s+\n/\n/g; # ws line-ends
1694 s/\n\n+/\n/g; # double lines
1695 s/^\n+//; # beginning lines
1696 s/\n+$//; # ending lines
1697 }
1698
1699 $xml
1700}
1701
1702no re 'eval';
1703
1704sub hintmode {
1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1706 $_[0]{hintmode}
1707}
1708
1104=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1105 1710
1106Sends an ext reply to the player. 1711Sends an ext reply to the player.
1107 1712
1108=cut 1713=cut
1109 1714
1110sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1111 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1112 1717
1113 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1114
1115 $self->send ("ext " . cf::to_json \%msg);
1116} 1719}
1117 1720
1118package cf; 1721=item $player->ext_msg ($type, @msg)
1722
1723Sends an ext event to the client.
1724
1725=cut
1726
1727sub ext_msg($$@) {
1728 my ($self, $type, @msg) = @_;
1729
1730 $self->ns->ext_msg ($type, @msg);
1731}
1732
1733=head3 cf::region
1734
1735=over 4
1736
1737=cut
1738
1739package cf::region;
1740
1741=item cf::region::find_by_path $path
1742
1743Tries to decuce the likely region for a map knowing only its path.
1744
1745=cut
1746
1747sub find_by_path($) {
1748 my ($path) = @_;
1749
1750 my ($match, $specificity);
1751
1752 for my $region (list) {
1753 if ($region->{match} && $path =~ $region->{match}) {
1754 ($match, $specificity) = ($region, $region->specificity)
1755 if $region->specificity > $specificity;
1756 }
1757 }
1758
1759 $match
1760}
1119 1761
1120=back 1762=back
1121
1122 1763
1123=head3 cf::map 1764=head3 cf::map
1124 1765
1125=over 4 1766=over 4
1126 1767
1138our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1139our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1140 1781
1141sub generate_random_map { 1782sub generate_random_map {
1142 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1143 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1144 $self->_create_random_map ( 1788 $self->_create_random_map (
1145 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1181 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1182 1826
1183 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1184 local $self->{path}; 1828 local $self->{path};
1185 local $self->{load_path}; 1829 local $self->{load_path};
1186 local $self->{deny_save};
1187 local $self->{deny_reset};
1188 1830
1189 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1190} 1832}
1191 1833
1192sub normalise { 1834sub normalise {
1239 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1240 return $self; 1882 return $self;
1241 } 1883 }
1242 } 1884 }
1243 1885
1244 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1245 () 1887 ()
1246} 1888}
1247 1889
1248sub init { 1890sub init {
1249 my ($self) = @_; 1891 my ($self) = @_;
1264 1906
1265# the original (read-only) location 1907# the original (read-only) location
1266sub load_path { 1908sub load_path {
1267 my ($self) = @_; 1909 my ($self) = @_;
1268 1910
1269 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1911 "$MAPDIR/$self->{path}.map"
1270} 1912}
1271 1913
1272# the temporary/swap location 1914# the temporary/swap location
1273sub save_path { 1915sub save_path {
1274 my ($self) = @_; 1916 my ($self) = @_;
1275 1917
1276 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1919 "$TMPDIR/$path.map"
1278} 1920}
1279 1921
1280# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1281sub uniq_path { 1923sub uniq_path {
1282 my ($self) = @_; 1924 my ($self) = @_;
1283 1925
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1927 "$UNIQUEDIR/$path"
1286} 1928}
1287 1929
1288# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1289# all maps in C++... 1931# all maps in C++...
1290sub change_all_map_light { 1932sub change_all_map_light {
1292 1934
1293 $_->change_map_light ($change) 1935 $_->change_map_light ($change)
1294 for grep $_->outdoor, values %cf::MAP; 1936 for grep $_->outdoor, values %cf::MAP;
1295} 1937}
1296 1938
1939sub decay_objects {
1940 my ($self) = @_;
1941
1942 return if $self->{deny_reset};
1943
1944 $self->do_decay_objects;
1945}
1946
1297sub unlink_save { 1947sub unlink_save {
1298 my ($self) = @_; 1948 my ($self) = @_;
1299 1949
1300 utf8::encode (my $save = $self->save_path); 1950 utf8::encode (my $save = $self->save_path);
1301 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1951 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1304 1954
1305sub load_header_from($) { 1955sub load_header_from($) {
1306 my ($self, $path) = @_; 1956 my ($self, $path) = @_;
1307 1957
1308 utf8::encode $path; 1958 utf8::encode $path;
1309 #aio_open $path, O_RDONLY, 0 1959 my $f = new_from_file cf::object::thawer $path
1310 # or return;
1311
1312 $self->_load_header ($path)
1313 or return; 1960 or return;
1961
1962 $self->_load_header ($f)
1963 or return;
1964
1965 local $MAP_LOADING{$self->{path}} = $self;
1966 $f->resolve_delayed_derefs;
1314 1967
1315 $self->{load_path} = $path; 1968 $self->{load_path} = $path;
1316 1969
1317 1 1970 1
1318} 1971}
1357 $self->load_header_orig 2010 $self->load_header_orig
1358 or return; 2011 or return;
1359 $self->prepare_orig; 2012 $self->prepare_orig;
1360 } 2013 }
1361 2014
2015 $self->{deny_reset} = 1
2016 if $self->no_reset;
2017
2018 $self->default_region (cf::region::find_by_path $self->{path})
2019 unless $self->default_region;
2020
1362 1 2021 1
1363} 2022}
1364 2023
1365sub find; 2024sub find;
1366sub find { 2025sub find {
1367 my ($path, $origin) = @_; 2026 my ($path, $origin) = @_;
1368 2027
1369 $path = normalise $path, $origin && $origin->path; 2028 $path = normalise $path, $origin && $origin->path;
1370 2029
2030 cf::lock_wait "map_data:$path";#d#remove
1371 cf::lock_wait "map_find:$path"; 2031 cf::lock_wait "map_find:$path";
1372 2032
1373 $cf::MAP{$path} || do { 2033 $cf::MAP{$path} || do {
1374 my $guard = cf::lock_acquire "map_find:$path"; 2034 my $guard1 = cf::lock_acquire "map_find:$path";
2035 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
1375 my $map = new_from_path cf::map $path 2037 my $map = new_from_path cf::map $path
1376 or return; 2038 or return;
1377 2039
1378 $map->{last_save} = $cf::RUNTIME; 2040 $map->{last_save} = $cf::RUNTIME;
1379 2041
1380 $map->load_header 2042 $map->load_header
1381 or return; 2043 or return;
1382 2044
1383 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2045 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384 # doing this can freeze the server in a sync job, obviously 2046 # doing this can freeze the server in a sync job, obviously
1385 #$cf::WAIT_FOR_TICK->wait; 2047 #$cf::WAIT_FOR_TICK->wait;
2048 undef $guard1;
2049 undef $guard2;
1386 $map->reset; 2050 $map->reset;
1387 undef $guard;
1388 return find $path; 2051 return find $path;
1389 } 2052 }
1390 2053
1391 $cf::MAP{$path} = $map 2054 $cf::MAP{$path} = $map
1392 } 2055 }
1399 my ($self) = @_; 2062 my ($self) = @_;
1400 2063
1401 local $self->{deny_reset} = 1; # loading can take a long time 2064 local $self->{deny_reset} = 1; # loading can take a long time
1402 2065
1403 my $path = $self->{path}; 2066 my $path = $self->{path};
2067
2068 {
1404 my $guard = cf::lock_acquire "map_load:$path"; 2069 my $guard = cf::lock_acquire "map_data:$path";
1405 2070
2071 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 2072 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 2073
1408 $self->in_memory (cf::MAP_LOADING); 2074 $self->in_memory (cf::MAP_LOADING);
1409 2075
1410 $self->alloc; 2076 $self->alloc;
1411 2077
1412 $self->pre_load; 2078 $self->pre_load;
2079 cf::cede_to_tick;
1413 2080
1414 $self->_load_objects ($self->{load_path}, 1) 2081 my $f = new_from_file cf::object::thawer $self->{load_path};
2082 $f->skip_block;
2083 $self->_load_objects ($f)
1415 or return; 2084 or return;
1416 2085
1417 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2086 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418 if delete $self->{load_original}; 2087 if delete $self->{load_original};
1419 2088
1420 if (my $uniq = $self->uniq_path) { 2089 if (my $uniq = $self->uniq_path) {
1421 utf8::encode $uniq; 2090 utf8::encode $uniq;
1422 if (aio_open $uniq, O_RDONLY, 0) { 2091 unless (aio_stat $uniq) {
2092 if (my $f = new_from_file cf::object::thawer $uniq) {
1423 $self->clear_unique_items; 2093 $self->clear_unique_items;
1424 $self->_load_objects ($uniq, 0); 2094 $self->_load_objects ($f);
2095 $f->resolve_delayed_derefs;
2096 }
1425 } 2097 }
1426 } 2098 }
1427 2099
1428 Coro::cede; 2100 $f->resolve_delayed_derefs;
1429 2101
2102 cf::cede_to_tick;
1430 # now do the right thing for maps 2103 # now do the right thing for maps
1431 $self->link_multipart_objects; 2104 $self->link_multipart_objects;
1432
1433 unless ($self->{deny_activate}) {
1434 $self->decay_objects;
1435 $self->fix_auto_apply;
1436 $self->update_buttons;
1437 Coro::cede;
1438 $self->set_darkness_map;
1439 $self->difficulty ($self->estimate_difficulty) 2105 $self->difficulty ($self->estimate_difficulty)
1440 unless $self->difficulty; 2106 unless $self->difficulty;
1441 Coro::cede; 2107 cf::cede_to_tick;
2108
2109 unless ($self->{deny_activate}) {
2110 $self->decay_objects;
2111 $self->fix_auto_apply;
2112 $self->update_buttons;
2113 cf::cede_to_tick;
2114 $self->set_darkness_map;
2115 cf::cede_to_tick;
1442 $self->activate; 2116 $self->activate;
2117 }
2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
2122 $self->in_memory (cf::MAP_ACTIVE);
1443 } 2123 }
1444 2124
1445 $self->post_load; 2125 $self->post_load;
1446
1447 $self->in_memory (cf::MAP_IN_MEMORY);
1448} 2126}
1449 2127
1450sub customise_for { 2128sub customise_for {
1451 my ($self, $ob) = @_; 2129 my ($self, $ob) = @_;
1452 2130
1453 return find "~" . $ob->name . "/" . $self->{path} 2131 return find "~" . $ob->name . "/" . $self->{path}
1454 if $self->per_player; 2132 if $self->per_player;
1455 2133
2134# return find "?party/" . $ob->name . "/" . $self->{path}
2135# if $self->per_party;
2136
1456 $self 2137 $self
1457} 2138}
1458 2139
1459# find and load all maps in the 3x3 area around a map 2140# find and load all maps in the 3x3 area around a map
1460sub load_diag { 2141sub load_neighbours {
1461 my ($map) = @_; 2142 my ($map) = @_;
1462 2143
1463 my @diag; # diagonal neighbours 2144 my @neigh; # diagonal neighbours
1464 2145
1465 for (0 .. 3) { 2146 for (0 .. 3) {
1466 my $neigh = $map->tile_path ($_) 2147 my $neigh = $map->tile_path ($_)
1467 or next; 2148 or next;
1468 $neigh = find $neigh, $map 2149 $neigh = find $neigh, $map
1469 or next; 2150 or next;
1470 $neigh->load; 2151 $neigh->load;
1471 2152
2153 push @neigh,
1472 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2154 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1473 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2155 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1474 } 2156 }
1475 2157
1476 for (@diag) { 2158 for (grep defined $_->[0], @neigh) {
2159 my ($path, $origin) = @$_;
1477 my $neigh = find @$_ 2160 my $neigh = find $path, $origin
1478 or next; 2161 or next;
1479 $neigh->load; 2162 $neigh->load;
1480 } 2163 }
1481} 2164}
1482 2165
1487} 2170}
1488 2171
1489sub do_load_sync { 2172sub do_load_sync {
1490 my ($map) = @_; 2173 my ($map) = @_;
1491 2174
2175 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2176 if $Coro::current == $Coro::main;
2177
1492 cf::sync_job { $map->load }; 2178 cf::sync_job { $map->load };
1493} 2179}
1494 2180
1495our %MAP_PREFETCH; 2181our %MAP_PREFETCH;
1496our $MAP_PREFETCHER = undef; 2182our $MAP_PREFETCHER = undef;
1497 2183
1498sub find_async { 2184sub find_async {
1499 my ($path, $origin) = @_; 2185 my ($path, $origin, $load) = @_;
1500 2186
1501 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
1502 2188
1503 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
1504 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505 } 2191 }
1506 2192
1507 undef $MAP_PREFETCH{$path}; 2193 $MAP_PREFETCH{$path} |= $load;
2194
1508 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2196 $Coro::current->{desc} = "map prefetcher";
2197
1509 while (%MAP_PREFETCH) { 2198 while (%MAP_PREFETCH) {
1510 for my $path (keys %MAP_PREFETCH) { 2199 while (my ($k, $v) = each %MAP_PREFETCH) {
1511 my $map = find $path 2200 if (my $map = find $k) {
1512 or next;
1513 $map->load; 2201 $map->load if $v;
2202 }
1514 2203
1515 delete $MAP_PREFETCH{$path}; 2204 delete $MAP_PREFETCH{$k};
1516 } 2205 }
1517 } 2206 }
1518 undef $MAP_PREFETCHER; 2207 undef $MAP_PREFETCHER;
1519 }; 2208 };
1520 $MAP_PREFETCHER->prio (6); 2209 $MAP_PREFETCHER->prio (6);
1523} 2212}
1524 2213
1525sub save { 2214sub save {
1526 my ($self) = @_; 2215 my ($self) = @_;
1527 2216
1528 my $lock = cf::lock_acquire "map_data:" . $self->path; 2217 my $lock = cf::lock_acquire "map_data:$self->{path}";
1529 2218
1530 $self->{last_save} = $cf::RUNTIME; 2219 $self->{last_save} = $cf::RUNTIME;
1531 2220
1532 return unless $self->dirty; 2221 return unless $self->dirty;
1533 2222
1539 return if $self->{deny_save}; 2228 return if $self->{deny_save};
1540 2229
1541 local $self->{last_access} = $self->last_access;#d# 2230 local $self->{last_access} = $self->last_access;#d#
1542 2231
1543 cf::async { 2232 cf::async {
2233 $Coro::current->{desc} = "map player save";
1544 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
1545 }; 2235 };
2236
2237 cf::get_slot 0.02;
1546 2238
1547 if ($uniq) { 2239 if ($uniq) {
1548 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1550 } else { 2242 } else {
1556 my ($self) = @_; 2248 my ($self) = @_;
1557 2249
1558 # save first because save cedes 2250 # save first because save cedes
1559 $self->save; 2251 $self->save;
1560 2252
1561 my $lock = cf::lock_acquire "map_data:" . $self->path; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
1562 2254
1563 return if $self->players; 2255 return if $self->players;
1564 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
1565 return if $self->{deny_save}; 2257 return if $self->{deny_save};
1566 2258
2259 $self->in_memory (cf::MAP_SWAPPED);
2260
2261 $self->deactivate;
2262 $_->clear_links_to ($self) for values %cf::MAP;
1567 $self->clear; 2263 $self->clear;
1568 $self->in_memory (cf::MAP_SWAPPED);
1569} 2264}
1570 2265
1571sub reset_at { 2266sub reset_at {
1572 my ($self) = @_; 2267 my ($self) = @_;
1573 2268
1574 # TODO: safety, remove and allow resettable per-player maps 2269 # TODO: safety, remove and allow resettable per-player maps
1575 return 1e99 if $self->isa ("ext::map_per_player");#d#
1576 return 1e99 if $self->{deny_reset}; 2270 return 1e99 if $self->{deny_reset};
1577 2271
1578 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2272 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2273 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580 2274
1591 my ($self) = @_; 2285 my ($self) = @_;
1592 2286
1593 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2287 my $lock = cf::lock_acquire "map_data:$self->{path}";
1594 2288
1595 return if $self->players; 2289 return if $self->players;
1596 return if $self->isa ("ext::map_per_player");#d#
1597 2290
1598 warn "resetting map ", $self->path;#d# 2291 warn "resetting map ", $self->path;
1599 2292
1600 $self->in_memory (cf::MAP_SWAPPED); 2293 $self->in_memory (cf::MAP_SWAPPED);
1601 2294
1602 # need to save uniques path 2295 # need to save uniques path
1603 unless ($self->{deny_save}) { 2296 unless ($self->{deny_save}) {
1607 if $uniq; 2300 if $uniq;
1608 } 2301 }
1609 2302
1610 delete $cf::MAP{$self->path}; 2303 delete $cf::MAP{$self->path};
1611 2304
2305 $self->deactivate;
2306 $_->clear_links_to ($self) for values %cf::MAP;
1612 $self->clear; 2307 $self->clear;
1613
1614 $_->clear_links_to ($self) for values %cf::MAP;
1615 2308
1616 $self->unlink_save; 2309 $self->unlink_save;
1617 $self->destroy; 2310 $self->destroy;
1618} 2311}
1619 2312
1620my $nuke_counter = "aaaa"; 2313my $nuke_counter = "aaaa";
1621 2314
1622sub nuke { 2315sub nuke {
1623 my ($self) = @_; 2316 my ($self) = @_;
1624 2317
2318 {
2319 my $lock = cf::lock_acquire "map_data:$self->{path}";
2320
1625 delete $cf::MAP{$self->path}; 2321 delete $cf::MAP{$self->path};
1626 2322
1627 $self->unlink_save; 2323 $self->unlink_save;
1628 2324
1629 bless $self, "cf::map"; 2325 bless $self, "cf::map";
1630 delete $self->{deny_reset}; 2326 delete $self->{deny_reset};
1631 $self->{deny_save} = 1; 2327 $self->{deny_save} = 1;
1632 $self->reset_timeout (1); 2328 $self->reset_timeout (1);
1633 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2329 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634 2330
1635 $cf::MAP{$self->path} = $self; 2331 $cf::MAP{$self->path} = $self;
2332 }
1636 2333
1637 $self->reset; # polite request, might not happen 2334 $self->reset; # polite request, might not happen
2335}
2336
2337=item $maps = cf::map::tmp_maps
2338
2339Returns an arrayref with all map paths of currently instantiated and saved
2340maps. May block.
2341
2342=cut
2343
2344sub tmp_maps() {
2345 [
2346 map {
2347 utf8::decode $_;
2348 /\.map$/
2349 ? normalise $_
2350 : ()
2351 } @{ aio_readdir $TMPDIR or [] }
2352 ]
2353}
2354
2355=item $maps = cf::map::random_maps
2356
2357Returns an arrayref with all map paths of currently instantiated and saved
2358random maps. May block.
2359
2360=cut
2361
2362sub random_maps() {
2363 [
2364 map {
2365 utf8::decode $_;
2366 /\.map$/
2367 ? normalise "?random/$_"
2368 : ()
2369 } @{ aio_readdir $RANDOMDIR or [] }
2370 ]
1638} 2371}
1639 2372
1640=item cf::map::unique_maps 2373=item cf::map::unique_maps
1641 2374
1642Returns an arrayref of paths of all shared maps that have 2375Returns an arrayref of paths of all shared maps that have
1643instantiated unique items. May block. 2376instantiated unique items. May block.
1644 2377
1645=cut 2378=cut
1646 2379
1647sub unique_maps() { 2380sub unique_maps() {
1648 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2381 [
1649 or return; 2382 map {
1650
1651 my @paths;
1652
1653 for (@$files) {
1654 utf8::decode $_; 2383 utf8::decode $_;
1655 next if /\.pst$/; 2384 s/\.map$//; # TODO future compatibility hack
1656 next unless /^$PATH_SEP/o; 2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657 2386 ? ()
1658 push @paths, cf::map::normalise $_; 2387 : normalise $_
2388 } @{ aio_readdir $UNIQUEDIR or [] }
1659 } 2389 ]
1660
1661 \@paths
1662} 2390}
1663
1664package cf;
1665 2391
1666=back 2392=back
1667 2393
1668=head3 cf::object 2394=head3 cf::object
1669 2395
1673 2399
1674=over 4 2400=over 4
1675 2401
1676=item $ob->inv_recursive 2402=item $ob->inv_recursive
1677 2403
1678Returns the inventory of the object _and_ their inventories, recursively. 2404Returns the inventory of the object I<and> their inventories, recursively,
2405but I<not> the object itself.
1679 2406
1680=cut 2407=cut
1681 2408
1682sub inv_recursive_; 2409sub inv_recursive_;
1683sub inv_recursive_ { 2410sub inv_recursive_ {
1684 map { $_, inv_recursive_ $_->inv } @_ 2411 map { $_, inv_recursive_ $_->inv } @_
1685} 2412}
1686 2413
1687sub inv_recursive { 2414sub inv_recursive {
1688 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2416}
2417
2418=item $ref = $ob->ref
2419
2420Creates and returns a persistent reference to an object that can be stored as a string.
2421
2422=item $ob = cf::object::deref ($refstring)
2423
2424returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2425even if the object actually exists. May block.
2426
2427=cut
2428
2429sub deref {
2430 my ($ref) = @_;
2431
2432 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2433 my ($uuid, $name) = ($1, $2);
2434 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2435 or return;
2436 $pl->ob->uuid eq $uuid
2437 or return;
2438
2439 $pl->ob
2440 } else {
2441 warn "$ref: cannot resolve object reference\n";
2442 undef
2443 }
1689} 2444}
1690 2445
1691package cf; 2446package cf;
1692 2447
1693=back 2448=back
1712 2467
1713 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2468 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714 2469
1715 if ($self->{record_replies}) { 2470 if ($self->{record_replies}) {
1716 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2471 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2472
1717 } else { 2473 } else {
2474 my $pl = $self->contr;
2475
2476 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2477 my $dialog = $pl->{npc_dialog};
2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479
2480 } else {
1718 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
1719 $self->message ($msg, $flags); 2482 $self->message ($msg, $flags);
2483 }
1720 } 2484 }
2485}
2486
2487=item $object->send_msg ($channel, $msg, $color, [extra...])
2488
2489=cut
2490
2491sub cf::object::send_msg {
2492 my $pl = shift->contr
2493 or return;
2494 $pl->send_msg (@_);
1721} 2495}
1722 2496
1723=item $player_object->may ("access") 2497=item $player_object->may ("access")
1724 2498
1725Returns wether the given player is authorized to access resource "access" 2499Returns wether the given player is authorized to access resource "access"
1772 $self->deactivate_recursive; 2546 $self->deactivate_recursive;
1773 2547
1774 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2548 return if UNIVERSAL::isa $self->map, "ext::map_link";
1775 2549
1776 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2550 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777 if $self->map; 2551 if $self->map && $self->map->{path} ne "{link}";
1778 2552
1779 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2553 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1780} 2554}
1781 2555
1782sub cf::object::player::leave_link { 2556sub cf::object::player::leave_link {
1783 my ($self, $map, $x, $y) = @_; 2557 my ($self, $map, $x, $y) = @_;
2558
2559 return unless $self->contr->active;
1784 2560
1785 my $link_pos = delete $self->{_link_pos}; 2561 my $link_pos = delete $self->{_link_pos};
1786 2562
1787 unless ($map) { 2563 unless ($map) {
1788 # restore original map position 2564 # restore original map position
1802 # use -1 or undef as default coordinates, not 0, 0 2578 # use -1 or undef as default coordinates, not 0, 0
1803 ($x, $y) = ($map->enter_x, $map->enter_y) 2579 ($x, $y) = ($map->enter_x, $map->enter_y)
1804 if $x <=0 && $y <= 0; 2580 if $x <=0 && $y <= 0;
1805 2581
1806 $map->load; 2582 $map->load;
1807 $map->load_diag; 2583 $map->load_neighbours;
1808 2584
1809 return unless $self->contr->active; 2585 return unless $self->contr->active;
1810 $self->activate_recursive; 2586 $self->activate_recursive;
1811 2587
1812 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 2589 $self->enter_map ($map, $x, $y);
1814} 2590}
1815 2591
1816cf::player->attach ( 2592=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817 on_logout => sub {
1818 my ($pl) = @_;
1819 2593
1820 # abort map switching before logout 2594Moves the player to the given map-path and coordinates by first freezing
1821 if ($pl->ob->{_link_pos}) { 2595her, loading and preparing them map, calling the provided $check callback
1822 cf::sync_job { 2596that has to return the map if sucecssful, and then unfreezes the player on
1823 $pl->ob->leave_link 2597the new (success) or old (failed) map position. In either case, $done will
1824 }; 2598be called at the end of this process.
1825 }
1826 },
1827 on_login => sub {
1828 my ($pl) = @_;
1829 2599
1830 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link;
1834 (async {
1835 $pl->ob->reply (undef,
1836 "There was an internal problem at your last logout, "
1837 . "the server will try to bring you to your intended destination in a second.",
1838 cf::NDI_RED);
1839 # we need this sleep as the login has a concurrent enter_exit running
1840 # and this sleep increases chances of the player not ending up in scorn
1841 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link;
1843 })->prio (2);
1844 }
1845 },
1846);
1847
1848=item $player_object->goto ($path, $x, $y)
1849
1850=cut 2600=cut
2601
2602our $GOTOGEN;
1851 2603
1852sub cf::object::player::goto { 2604sub cf::object::player::goto {
1853 my ($self, $path, $x, $y) = @_; 2605 my ($self, $path, $x, $y, $check, $done) = @_;
2606
2607 # do generation counting so two concurrent goto's will be executed in-order
2608 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854 2609
1855 $self->enter_link; 2610 $self->enter_link;
1856 2611
1857 (async { 2612 (async {
2613 $Coro::current->{desc} = "player::goto $path $x $y";
2614
2615 # *tag paths override both path and x|y
2616 if ($path =~ /^\*(.*)$/) {
2617 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2618 my $ob = $obs[rand @obs];
2619
2620 # see if we actually can go there
2621 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2622 $ob = $obs[rand @obs];
2623 } else {
2624 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2625 }
2626 # else put us there anyways for now #d#
2627
2628 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2629 } else {
2630 ($path, $x, $y) = (undef, undef, undef);
2631 }
2632 }
2633
1858 my $map = eval { 2634 my $map = eval {
1859 my $map = cf::map::find $path; 2635 my $map = defined $path ? cf::map::find $path : undef;
2636
2637 if ($map) {
1860 $map = $map->customise_for ($self) if $map; 2638 $map = $map->customise_for ($self);
2639 $map = $check->($map) if $check && $map;
2640 } else {
2641 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642 }
2643
1861 $map 2644 $map
2645 };
2646
2647 if ($@) {
2648 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2649 LOG llevError | logBacktrace, Carp::longmess $@;
1862 } or 2650 }
1863 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864 2651
2652 if ($gen == $self->{_goto_generation}) {
2653 delete $self->{_goto_generation};
1865 $self->leave_link ($map, $x, $y); 2654 $self->leave_link ($map, $x, $y);
2655 }
2656
2657 $done->() if $done;
1866 })->prio (1); 2658 })->prio (1);
1867} 2659}
1868 2660
1869=item $player_object->enter_exit ($exit_object) 2661=item $player_object->enter_exit ($exit_object)
1870 2662
1907 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
1908 } 2700 }
1909 2701
1910 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
1911 2703
1912 my $data = cf::to_json $rmp; 2704 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
1914 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
1915 2707
1916 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
1918 undef $fh; 2710 undef $fh;
1919 aio_rename "$meta~", $meta; 2711 aio_rename "$meta~", $meta;
1928 2720
1929 return unless $self->type == cf::PLAYER; 2721 return unless $self->type == cf::PLAYER;
1930 2722
1931 if ($exit->slaying eq "/!") { 2723 if ($exit->slaying eq "/!") {
1932 #TODO: this should de-fi-ni-te-ly not be a sync-job 2724 #TODO: this should de-fi-ni-te-ly not be a sync-job
2725 # the problem is that $exit might not survive long enough
2726 # so it needs to be done right now, right here
1933 cf::sync_job { prepare_random_map $exit }; 2727 cf::sync_job { prepare_random_map $exit };
1934 } 2728 }
1935 2729
1936 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2730 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937 my $hp = $exit->stats->hp; 2731 my $hp = $exit->stats->hp;
1938 my $sp = $exit->stats->sp; 2732 my $sp = $exit->stats->sp;
1939 2733
1940 $self->enter_link; 2734 $self->enter_link;
1941 2735
2736 # if exit is damned, update players death & WoR home-position
2737 $self->contr->savebed ($slaying, $hp, $sp)
2738 if $exit->flag (FLAG_DAMNED);
2739
1942 (async { 2740 (async {
2741 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2742
1943 $self->deactivate_recursive; # just to be sure 2743 $self->deactivate_recursive; # just to be sure
1944 unless (eval { 2744 unless (eval {
1945 $self->goto ($slaying, $hp, $sp); 2745 $self->goto ($slaying, $hp, $sp);
1946 2746
1947 1; 2747 1;
1948 }) { 2748 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2749 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "I'll try to bring you back to the map you were before. " 2750 . "I'll try to bring you back to the map you were before. "
1951 . "Please report this to the dungeon master!", 2751 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2752 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2753
1954 warn "ERROR in enter_exit: $@"; 2754 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2755 $self->leave_link;
1956 } 2756 }
1957 })->prio (1); 2757 })->prio (1);
1970 2770
1971sub cf::client::send_drawinfo { 2771sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2772 my ($self, $text, $flags) = @_;
1973 2773
1974 utf8::encode $text; 2774 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2775 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2776}
1977 2777
2778=item $client->send_msg ($channel, $msg, $color, [extra...])
2779
2780Send a drawinfo or msg packet to the client, formatting the msg for the
2781client if neccessary. C<$type> should be a string identifying the type of
2782the message, with C<log> being the default. If C<$color> is negative, suppress
2783the message unless the client supports the msg packet.
2784
2785=cut
2786
2787# non-persistent channels (usually the info channel)
2788our %CHANNEL = (
2789 "c/identify" => {
2790 id => "infobox",
2791 title => "Identify",
2792 reply => undef,
2793 tooltip => "Items recently identified",
2794 },
2795 "c/examine" => {
2796 id => "infobox",
2797 title => "Examine",
2798 reply => undef,
2799 tooltip => "Signs and other items you examined",
2800 },
2801 "c/book" => {
2802 id => "infobox",
2803 title => "Book",
2804 reply => undef,
2805 tooltip => "The contents of a note or book",
2806 },
2807 "c/lookat" => {
2808 id => "infobox",
2809 title => "Look",
2810 reply => undef,
2811 tooltip => "What you saw there",
2812 },
2813 "c/who" => {
2814 id => "infobox",
2815 title => "Players",
2816 reply => undef,
2817 tooltip => "Shows players who are currently online",
2818 },
2819 "c/body" => {
2820 id => "infobox",
2821 title => "Body Parts",
2822 reply => undef,
2823 tooltip => "Shows which body parts you posess and are available",
2824 },
2825 "c/uptime" => {
2826 id => "infobox",
2827 title => "Uptime",
2828 reply => undef,
2829 tooltip => "How long the server has been running since last restart",
2830 },
2831 "c/mapinfo" => {
2832 id => "infobox",
2833 title => "Map Info",
2834 reply => undef,
2835 tooltip => "Information related to the maps",
2836 },
2837 "c/party" => {
2838 id => "party",
2839 title => "Party",
2840 reply => "gsay ",
2841 tooltip => "Messages and chat related to your party",
2842 },
2843);
2844
2845sub cf::client::send_msg {
2846 my ($self, $channel, $msg, $color, @extra) = @_;
2847
2848 $msg = $self->pl->expand_cfpod ($msg);
2849
2850 $color &= cf::NDI_CLIENT_MASK; # just in case...
2851
2852 # check predefined channels, for the benefit of C
2853 if ($CHANNEL{$channel}) {
2854 $channel = $CHANNEL{$channel};
2855
2856 $self->ext_msg (channel_info => $channel)
2857 if $self->can_msg;
2858
2859 $channel = $channel->{id};
2860
2861 } elsif (ref $channel) {
2862 # send meta info to client, if not yet sent
2863 unless (exists $self->{channel}{$channel->{id}}) {
2864 $self->{channel}{$channel->{id}} = $channel;
2865 $self->ext_msg (channel_info => $channel)
2866 if $self->can_msg;
2867 }
2868
2869 $channel = $channel->{id};
2870 }
2871
2872 return unless @extra || length $msg;
2873
2874 if ($self->can_msg) {
2875 # default colour, mask it out
2876 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877 if $color & cf::NDI_DEF;
2878
2879 $self->send_packet ("msg " . $self->{json_coder}->encode (
2880 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2881 } else {
2882 if ($color >= 0) {
2883 # replace some tags by gcfclient-compatible ones
2884 for ($msg) {
2885 1 while
2886 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2887 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2888 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2889 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2890 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2891 }
2892
2893 $color &= cf::NDI_COLOR_MASK;
2894
2895 utf8::encode $msg;
2896
2897 if (0 && $msg =~ /\[/) {
2898 # COMMAND/INFO
2899 $self->send_packet ("drawextinfo $color 10 8 $msg")
2900 } else {
2901 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2902 $self->send_packet ("drawinfo $color $msg")
2903 }
2904 }
2905 }
2906}
2907
2908=item $client->ext_msg ($type, @msg)
2909
2910Sends an ext event to the client.
2911
2912=cut
2913
2914sub cf::client::ext_msg($$@) {
2915 my ($self, $type, @msg) = @_;
2916
2917 if ($self->extcmd == 2) {
2918 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2919 } elsif ($self->extcmd == 1) { # TODO: remove
2920 push @msg, msgtype => "event_$type";
2921 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2922 }
2923}
2924
2925=item $client->ext_reply ($msgid, @msg)
2926
2927Sends an ext reply to the client.
2928
2929=cut
2930
2931sub cf::client::ext_reply($$@) {
2932 my ($self, $id, @msg) = @_;
2933
2934 if ($self->extcmd == 2) {
2935 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2936 } elsif ($self->extcmd == 1) {
2937 #TODO: version 1, remove
2938 unshift @msg, msgtype => "reply", msgid => $id;
2939 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2940 }
2941}
1978 2942
1979=item $success = $client->query ($flags, "text", \&cb) 2943=item $success = $client->query ($flags, "text", \&cb)
1980 2944
1981Queues a query to the client, calling the given callback with 2945Queues a query to the client, calling the given callback with
1982the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2946the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2947C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984 2948
1985Queries can fail, so check the return code. Or don't, as queries will become 2949Queries can fail, so check the return code. Or don't, as queries will
1986reliable at some point in the future. 2950become reliable at some point in the future.
1987 2951
1988=cut 2952=cut
1989 2953
1990sub cf::client::query { 2954sub cf::client::query {
1991 my ($self, $flags, $text, $cb) = @_; 2955 my ($self, $flags, $text, $cb) = @_;
1999 utf8::encode $text; 2963 utf8::encode $text;
2000 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2964 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001 2965
2002 $self->send_packet ($self->{query_queue}[0][0]) 2966 $self->send_packet ($self->{query_queue}[0][0])
2003 if @{ $self->{query_queue} } == 1; 2967 if @{ $self->{query_queue} } == 1;
2968
2969 1
2004} 2970}
2005 2971
2006cf::client->attach ( 2972cf::client->attach (
2973 on_connect => sub {
2974 my ($ns) = @_;
2975
2976 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2977 },
2007 on_reply => sub { 2978 on_reply => sub {
2008 my ($ns, $msg) = @_; 2979 my ($ns, $msg) = @_;
2009 2980
2010 # this weird shuffling is so that direct followup queries 2981 # this weird shuffling is so that direct followup queries
2011 # get handled first 2982 # get handled first
2023 } else { 2994 } else {
2024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2995 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025 } 2996 }
2026 } 2997 }
2027 }, 2998 },
2999 on_exticmd => sub {
3000 my ($ns, $buf) = @_;
3001
3002 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3003
3004 if (ref $msg) {
3005 my ($type, $reply, @payload) =
3006 "ARRAY" eq ref $msg
3007 ? @$msg
3008 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3009
3010 my @reply;
3011
3012 if (my $cb = $EXTICMD{$type}) {
3013 @reply = $cb->($ns, @payload);
3014 }
3015
3016 $ns->ext_reply ($reply, @reply)
3017 if $reply;
3018
3019 } else {
3020 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3021 }
3022
3023 cf::override;
3024 },
2028); 3025);
2029 3026
2030=item $client->async (\&cb) 3027=item $client->async (\&cb)
2031 3028
2032Create a new coroutine, running the specified callback. The coroutine will 3029Create a new coroutine, running the specified callback. The coroutine will
2073our $safe = new Safe "safe"; 3070our $safe = new Safe "safe";
2074our $safe_hole = new Safe::Hole; 3071our $safe_hole = new Safe::Hole;
2075 3072
2076$SIG{FPE} = 'IGNORE'; 3073$SIG{FPE} = 'IGNORE';
2077 3074
2078$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3075$safe->permit_only (Opcode::opset qw(
3076 :base_core :base_mem :base_orig :base_math
3077 grepstart grepwhile mapstart mapwhile
3078 sort time
3079));
2079 3080
2080# here we export the classes and methods available to script code 3081# here we export the classes and methods available to script code
2081 3082
2082=pod 3083=pod
2083 3084
2084The following fucntions and emthods are available within a safe environment: 3085The following functions and methods are available within a safe environment:
2085 3086
2086 cf::object contr pay_amount pay_player map 3087 cf::object
3088 contr pay_amount pay_player map x y force_find force_add destroy
3089 insert remove name archname title slaying race decrease split
3090
2087 cf::object::player player 3091 cf::object::player
2088 cf::player peaceful 3092 player
2089 cf::map trigger 3093
3094 cf::player
3095 peaceful
3096
3097 cf::map
3098 trigger
2090 3099
2091=cut 3100=cut
2092 3101
2093for ( 3102for (
2094 ["cf::object" => qw(contr pay_amount pay_player map)], 3103 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3104 insert remove inv name archname title slaying race
3105 decrease split destroy)],
2095 ["cf::object::player" => qw(player)], 3106 ["cf::object::player" => qw(player)],
2096 ["cf::player" => qw(peaceful)], 3107 ["cf::player" => qw(peaceful)],
2097 ["cf::map" => qw(trigger)], 3108 ["cf::map" => qw(trigger)],
2098) { 3109) {
2099 no strict 'refs'; 3110 no strict 'refs';
2170=back 3181=back
2171 3182
2172=cut 3183=cut
2173 3184
2174############################################################################# 3185#############################################################################
2175
2176=head2 EXTENSION DATABASE SUPPORT
2177
2178Crossfire maintains a very simple database for extension use. It can
2179currently store anything that can be serialised using Storable, which
2180excludes objects.
2181
2182The parameter C<$family> should best start with the name of the extension
2183using it, it should be unique.
2184
2185=over 4
2186
2187=item $value = cf::db_get $family => $key
2188
2189Returns a single value from the database.
2190
2191=item cf::db_put $family => $key => $value
2192
2193Stores the given C<$value> in the family.
2194
2195=cut
2196
2197our $DB;
2198
2199sub db_init {
2200 unless ($DB) {
2201 $DB = BDB::db_create $DB_ENV;
2202
2203 cf::sync_job {
2204 eval {
2205 $DB->set_flags (BDB::CHKSUM);
2206
2207 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209 cf::cleanup "db_open(db): $!" if $!;
2210 };
2211 cf::cleanup "db_open(db): $@" if $@;
2212 };
2213
2214 my $path = cf::localdir . "/database.pst";
2215 if (stat $path) {
2216 cf::sync_job {
2217 my $pst = Storable::retrieve $path;
2218
2219 cf::db_put (board => data => $pst->{board});
2220 cf::db_put (guildrules => data => $pst->{guildrules});
2221 cf::db_put (rent => balance => $pst->{rent}{balance});
2222 BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224 unlink $path;
2225 };
2226 }
2227 }
2228}
2229
2230sub db_get($$) {
2231 my $key = "$_[0]/$_[1]";
2232
2233 cf::sync_job {
2234 BDB::db_get $DB, undef, $key, my $data;
2235
2236 $! ? ()
2237 : Compress::LZF::sthaw $data
2238 }
2239}
2240
2241sub db_put($$$) {
2242 BDB::dbreq_pri 4;
2243 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244}
2245
2246#############################################################################
2247# the server's init and main functions 3186# the server's init and main functions
2248 3187
2249sub init_resources { 3188sub load_facedata($) {
2250 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3189 my ($path) = @_;
3190
3191 # HACK to clear player env face cache, we need some signal framework
3192 # for this (global event?)
3193 %ext::player_env::MUSIC_FACE_CACHE = ();
3194
3195 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3196
3197 warn "loading facedata from $path\n";
3198
3199 my $facedata;
3200 0 < aio_load $path, $facedata
3201 or die "$path: $!";
3202
3203 $facedata = Coro::Storable::thaw $facedata;
3204
3205 $facedata->{version} == 2
3206 or cf::cleanup "$path: version mismatch, cannot proceed.";
3207
3208 # patch in the exptable
3209 $facedata->{resource}{"res/exp_table"} = {
3210 type => FT_RSRC,
3211 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3212 };
3213 cf::cede_to_tick;
3214
3215 {
3216 my $faces = $facedata->{faceinfo};
3217
3218 while (my ($face, $info) = each %$faces) {
3219 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3220
3221 cf::face::set_visibility $idx, $info->{visibility};
3222 cf::face::set_magicmap $idx, $info->{magicmap};
3223 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3224 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3225
3226 cf::cede_to_tick;
3227 }
3228
3229 while (my ($face, $info) = each %$faces) {
3230 next unless $info->{smooth};
3231
3232 my $idx = cf::face::find $face
3233 or next;
3234
3235 if (my $smooth = cf::face::find $info->{smooth}) {
3236 cf::face::set_smooth $idx, $smooth;
3237 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3238 } else {
3239 warn "smooth face '$info->{smooth}' not found for face '$face'";
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 {
3247 my $anims = $facedata->{animinfo};
3248
3249 while (my ($anim, $info) = each %$anims) {
3250 cf::anim::set $anim, $info->{frames}, $info->{facings};
3251 cf::cede_to_tick;
3252 }
3253
3254 cf::anim::invalidate_all; # d'oh
3255 }
3256
3257 {
3258 # TODO: for gcfclient pleasure, we should give resources
3259 # that gcfclient doesn't grok a >10000 face index.
3260 my $res = $facedata->{resource};
3261
3262 while (my ($name, $info) = each %$res) {
3263 if (defined $info->{type}) {
3264 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3265 my $data;
3266
3267 if ($info->{type} & 1) {
3268 # prepend meta info
3269
3270 my $meta = $enc->encode ({
3271 name => $name,
3272 %{ $info->{meta} || {} },
3273 });
3274
3275 $data = pack "(w/a*)*", $meta, $info->{data};
3276 } else {
3277 $data = $info->{data};
3278 }
3279
3280 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3281 cf::face::set_type $idx, $info->{type};
3282 } else {
3283 $RESOURCE{$name} = $info;
3284 }
3285
3286 cf::cede_to_tick;
3287 }
3288 }
3289
3290 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3291
3292 1
3293}
3294
3295cf::global->attach (on_resource_update => sub {
3296 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3297 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3298
3299 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3300 my $sound = $soundconf->{compat}[$_]
3301 or next;
3302
3303 my $face = cf::face::find "sound/$sound->[1]";
3304 cf::sound::set $sound->[0] => $face;
3305 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3306 }
3307
3308 while (my ($k, $v) = each %{$soundconf->{event}}) {
3309 my $face = cf::face::find "sound/$v";
3310 cf::sound::set $k => $face;
3311 }
3312 }
3313});
3314
3315register_exticmd fx_want => sub {
3316 my ($ns, $want) = @_;
3317
3318 while (my ($k, $v) = each %$want) {
3319 $ns->fx_want ($k, $v);
3320 }
3321};
3322
3323sub load_resource_file($) {
3324 my $guard = lock_acquire "load_resource_file";
3325
3326 my $status = load_resource_file_ $_[0];
3327 get_slot 0.1, 100;
3328 cf::arch::commit_load;
3329
3330 $status
3331}
3332
3333sub reload_regions {
3334 # HACK to clear player env face cache, we need some signal framework
3335 # for this (global event?)
3336 %ext::player_env::MUSIC_FACE_CACHE = ();
3337
3338 load_resource_file "$MAPDIR/regions"
2251 or die "unable to load regions file\n";#d# 3339 or die "unable to load regions file\n";
2252}
2253 3340
2254sub cfg_load { 3341 for (cf::region::list) {
3342 $_->{match} = qr/$_->{match}/
3343 if exists $_->{match};
3344 }
3345}
3346
3347sub reload_facedata {
3348 load_facedata "$DATADIR/facedata"
3349 or die "unable to load facedata\n";
3350}
3351
3352sub reload_archetypes {
3353 load_resource_file "$DATADIR/archetypes"
3354 or die "unable to load archetypes\n";
3355}
3356
3357sub reload_treasures {
3358 load_resource_file "$DATADIR/treasures"
3359 or die "unable to load treasurelists\n";
3360}
3361
3362sub reload_resources {
3363 warn "reloading resource files...\n";
3364
3365 reload_facedata;
3366 reload_archetypes;
3367 reload_regions;
3368 reload_treasures;
3369
3370 warn "finished reloading resource files\n";
3371}
3372
3373sub init {
3374 my $guard = freeze_mainloop;
3375
3376 reload_resources;
3377}
3378
3379sub reload_config {
2255 open my $fh, "<:utf8", cf::confdir . "/config" 3380 open my $fh, "<:utf8", "$CONFDIR/config"
2256 or return; 3381 or return;
2257 3382
2258 local $/; 3383 local $/;
2259 *CFG = YAML::Syck::Load <$fh>; 3384 *CFG = YAML::Load <$fh>;
2260 3385
2261 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3386 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262 3387
2263 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3388 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3389 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2270 }; 3395 };
2271 warn $@ if $@; 3396 warn $@ if $@;
2272 } 3397 }
2273} 3398}
2274 3399
2275sub init {
2276 init_resources;
2277}
2278
2279sub main { 3400sub main {
2280 # we must not ever block the main coroutine 3401 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3402 local $Coro::idle = sub {
2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3403 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async { 3404 (async {
2284 Event::one_event; 3405 $Coro::current->{desc} = "IDLE BUG HANDLER";
3406 EV::loop EV::LOOP_ONESHOT;
2285 })->prio (Coro::PRIO_MAX); 3407 })->prio (Coro::PRIO_MAX);
2286 }; 3408 };
2287 3409
2288 cfg_load; 3410 {
3411 my $guard = freeze_mainloop;
3412 reload_config;
2289 db_init; 3413 db_init;
2290 load_extensions; 3414 load_extensions;
2291 3415
2292 $TICK_WATCHER->start; 3416 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3417 evthread_start IO::AIO::poll_fileno;
3418 }
3419
2293 Event::loop; 3420 EV::loop;
2294} 3421}
2295 3422
2296############################################################################# 3423#############################################################################
2297# initialisation and cleanup 3424# initialisation and cleanup
2298 3425
2299# install some emergency cleanup handlers 3426# install some emergency cleanup handlers
2300BEGIN { 3427BEGIN {
3428 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3429 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3430 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3431 cf::cleanup "SIG$signal";
2309 },
2310 ); 3432 };
3433 }
3434}
3435
3436sub write_runtime_sync {
3437 my $runtime = "$LOCALDIR/runtime";
3438
3439 # first touch the runtime file to show we are still running:
3440 # the fsync below can take a very very long time.
3441
3442 IO::AIO::aio_utime $runtime, undef, undef;
3443
3444 my $guard = cf::lock_acquire "write_runtime";
3445
3446 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3447 or return;
3448
3449 my $value = $cf::RUNTIME + 90 + 10;
3450 # 10 is the runtime save interval, for a monotonic clock
3451 # 60 allows for the watchdog to kill the server.
3452
3453 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3454 and return;
3455
3456 # always fsync - this file is important
3457 aio_fsync $fh
3458 and return;
3459
3460 # touch it again to show we are up-to-date
3461 aio_utime $fh, undef, undef;
3462
3463 close $fh
3464 or return;
3465
3466 aio_rename "$runtime~", $runtime
3467 and return;
3468
3469 warn "runtime file written.\n";
3470
2311 } 3471 1
3472}
3473
3474our $uuid_lock;
3475our $uuid_skip;
3476
3477sub write_uuid_sync($) {
3478 $uuid_skip ||= $_[0];
3479
3480 return if $uuid_lock;
3481 local $uuid_lock = 1;
3482
3483 my $uuid = "$LOCALDIR/uuid";
3484
3485 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3486 or return;
3487
3488 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3489 $uuid_skip = 0;
3490
3491 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3492 and return;
3493
3494 # always fsync - this file is important
3495 aio_fsync $fh
3496 and return;
3497
3498 close $fh
3499 or return;
3500
3501 aio_rename "$uuid~", $uuid
3502 and return;
3503
3504 warn "uuid file written ($value).\n";
3505
3506 1
3507
3508}
3509
3510sub write_uuid($$) {
3511 my ($skip, $sync) = @_;
3512
3513 $sync ? write_uuid_sync $skip
3514 : async { write_uuid_sync $skip };
2312} 3515}
2313 3516
2314sub emergency_save() { 3517sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3518 my $freeze_guard = cf::freeze_mainloop;
2316 3519
2322 # and maps saved/destroyed asynchronously. 3525 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3526 warn "begin emergency player save\n";
2324 for my $login (keys %cf::PLAYER) { 3527 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3528 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3529 $pl->valid or next;
3530 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3531 $pl->save;
2328 } 3532 }
2329 warn "end emergency player save\n"; 3533 warn "end emergency player save\n";
2330 3534
2331 warn "begin emergency map save\n"; 3535 warn "begin emergency map save\n";
2337 warn "end emergency map save\n"; 3541 warn "end emergency map save\n";
2338 3542
2339 warn "begin emergency database checkpoint\n"; 3543 warn "begin emergency database checkpoint\n";
2340 BDB::db_env_txn_checkpoint $DB_ENV; 3544 BDB::db_env_txn_checkpoint $DB_ENV;
2341 warn "end emergency database checkpoint\n"; 3545 warn "end emergency database checkpoint\n";
3546
3547 warn "begin write uuid\n";
3548 write_uuid_sync 1;
3549 warn "end write uuid\n";
2342 }; 3550 };
2343 3551
2344 warn "leave emergency perl save\n"; 3552 warn "leave emergency perl save\n";
2345} 3553}
2346 3554
2349 3557
2350 warn Carp::longmess "post_cleanup backtrace" 3558 warn Carp::longmess "post_cleanup backtrace"
2351 if $make_core; 3559 if $make_core;
2352} 3560}
2353 3561
2354sub reload() { 3562sub do_reload_perl() {
2355 # can/must only be called in main 3563 # can/must only be called in main
2356 if ($Coro::current != $Coro::main) { 3564 if ($Coro::current != $Coro::main) {
2357 warn "can only reload from main coroutine"; 3565 warn "can only reload from main coroutine";
2358 return; 3566 return;
2359 } 3567 }
2361 warn "reloading..."; 3569 warn "reloading...";
2362 3570
2363 warn "entering sync_job"; 3571 warn "entering sync_job";
2364 3572
2365 cf::sync_job { 3573 cf::sync_job {
2366 cf::write_runtime; # external watchdog should not bark 3574 cf::write_runtime_sync; # external watchdog should not bark
2367 cf::emergency_save; 3575 cf::emergency_save;
2368 cf::write_runtime; # external watchdog should not bark 3576 cf::write_runtime_sync; # external watchdog should not bark
2369 3577
2370 warn "syncing database to disk"; 3578 warn "syncing database to disk";
2371 BDB::db_env_txn_checkpoint $DB_ENV; 3579 BDB::db_env_txn_checkpoint $DB_ENV;
2372 3580
2373 # if anything goes wrong in here, we should simply crash as we already saved 3581 # if anything goes wrong in here, we should simply crash as we already saved
2374
2375 warn "cancelling all WF_AUTOCANCEL watchers";
2376 for (Event::all_watchers) {
2377 $_->cancel if $_->data & WF_AUTOCANCEL;
2378 }
2379 3582
2380 warn "flushing outstanding aio requests"; 3583 warn "flushing outstanding aio requests";
2381 for (;;) { 3584 for (;;) {
2382 BDB::flush; 3585 BDB::flush;
2383 IO::AIO::flush; 3586 IO::AIO::flush;
2384 Coro::cede; 3587 Coro::cede_notself;
2385 last unless IO::AIO::nreqs || BDB::nreqs; 3588 last unless IO::AIO::nreqs || BDB::nreqs;
2386 warn "iterate..."; 3589 warn "iterate...";
2387 } 3590 }
3591
3592 ++$RELOAD;
2388 3593
2389 warn "cancelling all extension coros"; 3594 warn "cancelling all extension coros";
2390 $_->cancel for values %EXT_CORO; 3595 $_->cancel for values %EXT_CORO;
2391 %EXT_CORO = (); 3596 %EXT_CORO = ();
2392 3597
2393 warn "removing commands"; 3598 warn "removing commands";
2394 %COMMAND = (); 3599 %COMMAND = ();
2395 3600
2396 warn "removing ext commands"; 3601 warn "removing ext/exti commands";
2397 %EXTCMD = (); 3602 %EXTCMD = ();
3603 %EXTICMD = ();
2398 3604
2399 warn "unloading/nuking all extensions"; 3605 warn "unloading/nuking all extensions";
2400 for my $pkg (@EXTS) { 3606 for my $pkg (@EXTS) {
2401 warn "... unloading $pkg"; 3607 warn "... unloading $pkg";
2402 3608
2432 Symbol::delete_package "safe::$_" 3638 Symbol::delete_package "safe::$_"
2433 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3639 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434 3640
2435 warn "unloading cf.pm \"a bit\""; 3641 warn "unloading cf.pm \"a bit\"";
2436 delete $INC{"cf.pm"}; 3642 delete $INC{"cf.pm"};
3643 delete $INC{"cf/pod.pm"};
2437 3644
2438 # don't, removes xs symbols, too, 3645 # don't, removes xs symbols, too,
2439 # and global variables created in xs 3646 # and global variables created in xs
2440 #Symbol::delete_package __PACKAGE__; 3647 #Symbol::delete_package __PACKAGE__;
2441 3648
2444 warn "reloading cf.pm"; 3651 warn "reloading cf.pm";
2445 require cf; 3652 require cf;
2446 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3653 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447 3654
2448 warn "loading config and database again"; 3655 warn "loading config and database again";
2449 cf::cfg_load; 3656 cf::reload_config;
2450 3657
2451 warn "loading extensions"; 3658 warn "loading extensions";
2452 cf::load_extensions; 3659 cf::load_extensions;
2453 3660
2454 warn "reattaching attachments to objects/players"; 3661 warn "reattaching attachments to objects/players";
2455 _global_reattach; 3662 _global_reattach; # objects, sockets
2456 warn "reattaching attachments to maps"; 3663 warn "reattaching attachments to maps";
2457 reattach $_ for values %MAP; 3664 reattach $_ for values %MAP;
2458 3665 warn "reattaching attachments to players";
2459 warn "loading reloadable resources"; 3666 reattach $_ for values %PLAYER;
2460 init_resources;
2461 3667
2462 warn "leaving sync_job"; 3668 warn "leaving sync_job";
2463 3669
2464 1 3670 1
2465 } or do { 3671 } or do {
2466 warn $@; 3672 warn $@;
2467 warn "error while reloading, exiting."; 3673 cf::cleanup "error while reloading, exiting.";
2468 exit 1;
2469 }; 3674 };
2470 3675
2471 warn "reloaded"; 3676 warn "reloaded";
2472}; 3677};
2473 3678
2474our $RELOAD_WATCHER; # used only during reload 3679our $RELOAD_WATCHER; # used only during reload
2475 3680
3681sub reload_perl() {
3682 # doing reload synchronously and two reloads happen back-to-back,
3683 # coro crashes during coro_state_free->destroy here.
3684
3685 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3686 do_reload_perl;
3687 undef $RELOAD_WATCHER;
3688 };
3689}
3690
2476register_command "reload" => sub { 3691register_command "reload" => sub {
2477 my ($who, $arg) = @_; 3692 my ($who, $arg) = @_;
2478 3693
2479 if ($who->flag (FLAG_WIZ)) { 3694 if ($who->flag (FLAG_WIZ)) {
2480 $who->message ("reloading server."); 3695 $who->message ("reloading server.");
2481 3696 async {
2482 # doing reload synchronously and two reloads happen back-to-back, 3697 $Coro::current->{desc} = "perl_reload";
2483 # coro crashes during coro_state_free->destroy here.
2484
2485 $RELOAD_WATCHER ||= Event->timer (
2486 reentrant => 0,
2487 after => 0,
2488 data => WF_AUTOCANCEL,
2489 cb => sub {
2490 reload; 3698 reload_perl;
2491 undef $RELOAD_WATCHER;
2492 },
2493 ); 3699 };
2494 } 3700 }
2495}; 3701};
2496 3702
2497unshift @INC, $LIBDIR; 3703unshift @INC, $LIBDIR;
2498 3704
2499my $bug_warning = 0; 3705my $bug_warning = 0;
2500 3706
2501$TICK_WATCHER = Event->timer ( 3707our @WAIT_FOR_TICK;
2502 reentrant => 0, 3708our @WAIT_FOR_TICK_BEGIN;
2503 parked => 1, 3709
2504 prio => 0, 3710sub wait_for_tick {
2505 at => $NEXT_TICK || $TICK, 3711 return if tick_inhibit || $Coro::current == $Coro::main;
2506 data => WF_AUTOCANCEL, 3712
2507 cb => sub { 3713 my $signal = new Coro::Signal;
3714 push @WAIT_FOR_TICK, $signal;
3715 $signal->wait;
3716}
3717
3718sub wait_for_tick_begin {
3719 return if tick_inhibit || $Coro::current == $Coro::main;
3720
3721 my $signal = new Coro::Signal;
3722 push @WAIT_FOR_TICK_BEGIN, $signal;
3723 $signal->wait;
3724}
3725
3726sub tick {
2508 if ($Coro::current != $Coro::main) { 3727 if ($Coro::current != $Coro::main) {
2509 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3728 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510 unless ++$bug_warning > 10; 3729 unless ++$bug_warning > 10;
2511 return; 3730 return;
2512 } 3731 }
2513 3732
2514 $NOW = Event::time;
2515
2516 cf::server_tick; # one server iteration 3733 cf::server_tick; # one server iteration
2517 $RUNTIME += $TICK;
2518 $NEXT_TICK += $TICK;
2519 3734
2520 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3735 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521 $NEXT_RUNTIME_WRITE = $NOW + 10; 3736 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522 Coro::async_pool { 3737 Coro::async_pool {
3738 $Coro::current->{desc} = "runtime saver";
2523 write_runtime 3739 write_runtime_sync
2524 or warn "ERROR: unable to write runtime file: $!"; 3740 or warn "ERROR: unable to write runtime file: $!";
2525 };
2526 } 3741 };
2527
2528 $WAIT_FOR_TICK->broadcast;
2529 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531# my $AFTER = Event::time;
2532# warn $AFTER - $NOW;#d#
2533
2534 # if we are delayed by four ticks or more, skip them all
2535 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537 $TICK_WATCHER->at ($NEXT_TICK);
2538 $TICK_WATCHER->start;
2539 }, 3742 }
2540); 3743
3744 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3745 $sig->send;
3746 }
3747 while (my $sig = shift @WAIT_FOR_TICK) {
3748 $sig->send;
3749 }
3750
3751 $LOAD = ($NOW - $TICK_START) / $TICK;
3752 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3753
3754 if (0) {
3755 if ($NEXT_TICK) {
3756 my $jitter = $TICK_START - $NEXT_TICK;
3757 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3758 warn "jitter $JITTER\n";#d#
3759 }
3760 }
3761}
2541 3762
2542{ 3763{
2543 BDB::max_poll_time $TICK * 0.1; 3764 # configure BDB
2544 $BDB_POLL_WATCHER = Event->io ( 3765
2545 reentrant => 0,
2546 fd => BDB::poll_fileno,
2547 poll => 'r',
2548 prio => 0,
2549 data => WF_AUTOCANCEL,
2550 cb => \&BDB::poll_cb,
2551 );
2552 BDB::min_parallel 8; 3766 BDB::min_parallel 8;
2553 3767 BDB::max_poll_reqs $TICK * 0.1;
2554 BDB::set_sync_prepare { 3768 $Coro::BDB::WATCHER->priority (1);
2555 my $status;
2556 my $current = $Coro::current;
2557 (
2558 sub {
2559 $status = $!;
2560 $current->ready; undef $current;
2561 },
2562 sub {
2563 Coro::schedule while defined $current;
2564 $! = $status;
2565 },
2566 )
2567 };
2568 3769
2569 unless ($DB_ENV) { 3770 unless ($DB_ENV) {
2570 $DB_ENV = BDB::db_env_create; 3771 $DB_ENV = BDB::db_env_create;
3772 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3773 | BDB::LOG_AUTOREMOVE, 1);
3774 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3775 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571 3776
2572 cf::sync_job { 3777 cf::sync_job {
2573 eval { 3778 eval {
2574 BDB::db_env_open 3779 BDB::db_env_open
2575 $DB_ENV, 3780 $DB_ENV,
2576 $BDB_ENV_DIR, 3781 $BDBDIR,
2577 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3782 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3783 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579 0666; 3784 0666;
2580 3785
2581 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3786 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584 $DB_ENV->set_lk_detect;
2585 }; 3787 };
2586 3788
2587 cf::cleanup "db_env_open(db): $@" if $@; 3789 cf::cleanup "db_env_open(db): $@" if $@;
2588 }; 3790 };
2589 } 3791 }
3792
3793 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3794 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3795 };
3796 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3797 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3798 };
3799 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3800 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3801 };
2590} 3802}
2591 3803
2592{ 3804{
3805 # configure IO::AIO
3806
2593 IO::AIO::min_parallel 8; 3807 IO::AIO::min_parallel 8;
2594
2595 undef $Coro::AIO::WATCHER;
2596 IO::AIO::max_poll_time $TICK * 0.1; 3808 IO::AIO::max_poll_time $TICK * 0.1;
2597 $AIO_POLL_WATCHER = Event->io ( 3809 $Coro::AIO::WATCHER->priority (1);
2598 reentrant => 0,
2599 data => WF_AUTOCANCEL,
2600 fd => IO::AIO::poll_fileno,
2601 poll => 'r',
2602 prio => 6,
2603 cb => \&IO::AIO::poll_cb,
2604 );
2605} 3810}
3811
3812my $_log_backtrace;
3813
3814sub _log_backtrace {
3815 my ($msg, @addr) = @_;
3816
3817 $msg =~ s/\n//;
3818
3819 # limit the # of concurrent backtraces
3820 if ($_log_backtrace < 2) {
3821 ++$_log_backtrace;
3822 async {
3823 $Coro::current->{desc} = "abt $msg";
3824
3825 my @bt = fork_call {
3826 @addr = map { sprintf "%x", $_ } @addr;
3827 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3828 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3829 or die "addr2line: $!";
3830
3831 my @funcs;
3832 my @res = <$fh>;
3833 chomp for @res;
3834 while (@res) {
3835 my ($func, $line) = splice @res, 0, 2, ();
3836 push @funcs, "[$func] $line";
3837 }
3838
3839 @funcs
3840 };
3841
3842 LOG llevInfo, "[ABT] $msg\n";
3843 LOG llevInfo, "[ABT] $_\n" for @bt;
3844 --$_log_backtrace;
3845 };
3846 } else {
3847 LOG llevInfo, "[ABT] $msg\n";
3848 LOG llevInfo, "[ABT] [suppressed]\n";
3849 }
3850}
3851
3852# load additional modules
3853use cf::pod;
2606 3854
2607END { cf::emergency_save } 3855END { cf::emergency_save }
2608 3856
26091 38571
2610 3858

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