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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
31use EV;
9use Opcode; 32use Opcode;
10use Safe; 33use Safe;
11use Safe::Hole; 34use Safe::Hole;
35use Storable ();
12 36
13use Coro 3.5 (); 37use Coro ();
38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
14use Coro::Event; 41use Coro::AnyEvent;
15use Coro::Timer; 42use Coro::Timer;
16use Coro::Signal; 43use Coro::Signal;
17use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
18use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
19 50
51use JSON::XS 2.01 ();
20use BDB (); 52use BDB ();
21use Data::Dumper; 53use Data::Dumper;
22use Digest::MD5; 54use Digest::MD5;
23use Fcntl; 55use Fcntl;
56use YAML ();
24use IO::AIO 2.32 (); 57use IO::AIO ();
25use YAML::Syck ();
26use Time::HiRes; 58use Time::HiRes;
27use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
28 61
62AnyEvent::detect;
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 69
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 71
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 73
40our %COMMAND = (); 74our %COMMAND = ();
41our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
42 76
43our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
47 82
83our $RELOAD; # number of reloads so far
48our @EVENT; 84our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 85
51our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
52our $TICK_WATCHER; 87our $DATADIR = datadir;
53our $AIO_POLL_WATCHER; 88our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
98
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 101our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
58 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 107our $DB_ENV;
61 108
62our %CFG; 109our %CFG;
63 110
64our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 112our $RUNTIME;
113our $NOW;
66 114
67our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 118
76# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
126
79binmode STDOUT; 127binmode STDOUT;
80binmode STDERR; 128binmode STDERR;
81 129
82# read virtual server time, if available 130# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
87} 135}
88 136
89mkdir cf::localdir; 137mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 139
96our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
97 141
98sub cf::map::normalise; 142sub cf::map::normalise;
99 143
110=item $cf::RUNTIME 154=item $cf::RUNTIME
111 155
112The time this server has run, starts at 0 and is increased by $cf::TICK on 156The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 157every server tick.
114 158
115=item $cf::LIBDIR 159=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 162
117The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 164directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165unique-items directory, player file directory, random maps directory and
166database environment.
119 167
120=item $cf::NOW 168=item $cf::NOW
121 169
122The time of the last (current) server tick. 170The time of the last (current) server tick.
123 171
124=item $cf::TICK 172=item $cf::TICK
125 173
126The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
127 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
128=item %cf::CFG 186=item %cf::CFG
129 187
130Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 189from wherever your confdir points to.
132 190
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
134 192
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 194returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
139 202
140=back 203=back
141 204
142=cut 205=cut
143 206
144BEGIN { 207BEGIN {
145 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 209 my $msg = join "", @_;
147 utf8::encode $msg;
148 210
149 $msg .= "\n" 211 $msg .= "\n"
150 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
151 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
152 LOG llevError, $msg; 216 LOG llevError, $msg;
153 }; 217 };
154} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
155 234
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 242
163# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 244# within the Safe compartment.
165for my $pkg (qw( 245for my $pkg (qw(
166 cf::global cf::attachable 246 cf::global cf::attachable
167 cf::object cf::object::player 247 cf::object cf::object::player
168 cf::client cf::player 248 cf::client cf::player
169 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
170 cf::map cf::party cf::region 251 cf::party cf::region
171)) { 252)) {
172 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 254}
175 255
176$Event::DIED = sub { 256$EV::DIED = sub {
177 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
178}; 258};
259
260#############################################################################
179 261
180=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
181 263
182=over 4 264=over 4
183 265
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 285 $d
204 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
205} 287}
206 288
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
210 290
211Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
212 292
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
221 294
222Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
223 296
224=cut 297=cut
225 298
226sub to_json($) { 299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 300
228 JSON::Syck::Dump $_[0] 301sub encode_json($) { $json_coder->encode ($_[0]) }
229} 302sub decode_json($) { $json_coder->decode ($_[0]) }
230 303
231=item cf::lock_wait $string 304=item cf::lock_wait $string
232 305
233Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
234 307
237Wait until the given lock is available and then acquires it and returns 310Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
240returned. 313returned.
241 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
242Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
244 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
245=cut 325=cut
246 326
247our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
248 329
249sub lock_wait($) { 330sub lock_wait($) {
250 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
251 337
252 # wait for lock, if any 338 # wait for lock, if any
253 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 341 Coro::schedule;
261 347
262 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
263 lock_wait $key; 349 lock_wait $key;
264 350
265 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
266 353
267 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
270 } 358 }
271} 359}
272 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
273sub freeze_mainloop { 367sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
275 369
276 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
277 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
278 }; 431 }
279 $TICK_WATCHER->stop; 432};
280 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
281} 446}
282 447
283=item cf::async { BLOCK } 448=item cf::async { BLOCK }
284 449
285Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
290 455
291BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
292 457
293=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
294 459
295The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
298 464
299If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
302fast or be very important. 468fast or be very important.
305 471
306sub sync_job(&) { 472sub sync_job(&) {
307 my ($job) = @_; 473 my ($job) = @_;
308 474
309 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
310 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
312 480
313 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 482
315 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
316 484
317 my $busy = 1; 485 my $busy = 1;
318 my @res; 486 my @res;
319 487
320 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 490 @res = eval { $job->() };
322 warn $@ if $@; 491 warn $@ if $@;
323 undef $busy; 492 undef $busy;
324 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
325 494
326 while ($busy) { 495 while ($busy) {
327 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
328 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
329 506
330 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
331 } else { 508 } else {
332 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
333 510
353 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
354 531
355 $coro 532 $coro
356} 533}
357 534
358sub write_runtime { 535=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 536
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 537Executes the given code block with the given arguments in a seperate
362 or return; 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
363 541
364 my $value = $cf::RUNTIME + 90 + 10; 542=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 543
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544sub fork_call(&@) {
369 and return; 545 my ($cb, @args) = @_;
370 546
371 # always fsync - this file is important 547 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 548 # otherwise perl prematurely frees the stuff :/
373 and return; 549 # TODO: investigate and fix (likely this will be rather laborious)
374 550
375 close $fh 551 my @res = Coro::Util::fork_eval {
376 or return; 552 reset_signals;
553 &$cb
554 }, @args;
377 555
378 aio_rename "$runtime~", $runtime 556 wantarray ? @res : $res[-1]
379 and return; 557}
380 558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
381 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
711}
712
713=item cf::datalog type => key => value, ...
714
715Log a datalog packet of the given type with the given key-value pairs.
716
717=cut
718
719sub datalog($@) {
720 my ($type, %kv) = @_;
721 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 722}
383 723
384=back 724=back
385 725
386=cut 726=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
395 735
396In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 738Deliantra).
399 739
400=over 4 740=over 4
401 741
402=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
403 743
566 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
567 907
568 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 912
573 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 914 my $pkg = shift @arg;
575 915
576 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
606 } 946 }
607 947
608 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
609 } else { 949 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 951 }
612 952
613 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
614} 954}
615 955
617 if (ref $_[0]) { 957 if (ref $_[0]) {
618 _object_attach @_; 958 _object_attach @_;
619 } else { 959 } else {
620 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
621 } 961 }
962 _recalc_want;
622}; 963};
623 964
624# all those should be optimised 965# all those should be optimised
625sub cf::attachable::detach { 966sub cf::attachable::detach {
626 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
630 reattach ($obj); 971 reattach ($obj);
631 } else { 972 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
633 } 974 }
975 _recalc_want;
634}; 976};
635 977
636sub cf::attachable::attached { 978sub cf::attachable::attached {
637 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
638 980
653 "; 995 ";
654 die if $@; 996 die if $@;
655} 997}
656 998
657our $override; 999our $override;
658our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659 1001
660sub override { 1002sub override {
661 $override = 1; 1003 $override = 1;
662 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
663} 1005}
664 1006
665sub do_invoke { 1007sub do_invoke {
666 my $event = shift; 1008 my $event = shift;
667 my $callbacks = shift; 1009 my $callbacks = shift;
668 1010
669 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
670 1012
671 local $override; 1013 local $override;
672 1014
673 for (@$callbacks) { 1015 for (@$callbacks) {
674 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
683 } 1025 }
684 1026
685 0 1027 0
686} 1028}
687 1029
688=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689 1031
690=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691 1033
692Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
693 1035
694This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
696results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 1039
698=back 1040=back
699 1041
700=cut 1042=cut
701 1043
702############################################################################# 1044#############################################################################
703# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
704 1088
705sub reattach { 1089sub reattach {
706 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 1091 my ($obj) = @_;
708 1092
1093 # no longer needed after getting rid of delete_package?
709 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710 1095
711 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
712 1097
713 @$registry = (); 1098 @$registry = ();
714 1099
729cf::attachable->attach ( 1114cf::attachable->attach (
730 prio => -1000000, 1115 prio => -1000000,
731 on_instantiate => sub { 1116 on_instantiate => sub {
732 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
733 1118
734 $data = from_json $data; 1119 $data = decode_json $data;
735 1120
736 for (@$data) { 1121 for (@$data) {
737 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
738 1123
739 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
755sub object_freezer_save { 1140sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
757 1142
758 sync_job { 1143 sync_job {
759 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
762 1148
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
767 close $fh; 1153 aio_close $fh;
768 1154
769 if (@$objs) { 1155 if (@$objs) {
770 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
772 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
774 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
775 close $fh; 1161 aio_close $fh;
776 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
777 } 1163 }
778 } else { 1164 } else {
779 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
780 } 1166 }
785 } 1171 }
786 } else { 1172 } else {
787 aio_unlink $filename; 1173 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
789 } 1175 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1176 };
797} 1177}
798 1178
799sub object_freezer_as_string { 1179sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
801 1181
806 1186
807sub object_thawer_load { 1187sub object_thawer_load {
808 my ($filename) = @_; 1188 my ($filename) = @_;
809 1189
810 my ($data, $av); 1190 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1191
815 (aio_load $filename, $data) >= 0 1192 (aio_load $filename, $data) >= 0
816 or return; 1193 or return;
817 1194
818 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
820 or return; 1197 or return;
1198
821 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
822 } 1201 }
823 1202
1203 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
826 return ($data, $av); 1207 ($data, $av)
827} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
828 1215
829############################################################################# 1216#############################################################################
830# command handling &c 1217# command handling &c
831 1218
832=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1233}
847 1234
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1236
850Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
851 1242
852If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
853called. 1244called.
854 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
855=cut 1257=cut
856 1258
857sub register_extcmd { 1259sub register_extcmd {
858 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
859 1261
860 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
861} 1269}
862 1270
863cf::player->attach ( 1271cf::player->attach (
864 on_command => sub { 1272 on_command => sub {
865 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
874 cf::override; 1282 cf::override;
875 }, 1283 },
876 on_extcmd => sub { 1284 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
878 1286
879 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1288
881 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
887 } else { 1304 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1306 }
890 1307
891 cf::override; 1308 cf::override;
892 }, 1309 },
893); 1310);
894 1311
895sub load_extension {
896 my ($path) = @_;
897
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
899 my $base = $1;
900 my $pkg = $1;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 }
923 die $@;
924 }
925
926 push @EXTS, $pkg;
927}
928
929sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
930 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1317 next unless -r $path;
932 eval { 1318
933 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
934 1 1375 }
935 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
936 } 1381 };
937} 1382}
938 1383
939############################################################################# 1384#############################################################################
940 1385
1386=back
1387
941=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
942 1389
943Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
944 1391
945=cut 1392=cut
950 1397
951=head3 cf::player 1398=head3 cf::player
952 1399
953=over 4 1400=over 4
954 1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1415
955=item cf::player::find $login 1416=item cf::player::find $login
956 1417
957Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
958 1419
959=cut 1420=cut
960 1421
961sub playerdir($) { 1422sub playerdir($) {
962 cf::localdir 1423 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1424 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1425}
968 1426
969sub path($) { 1427sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1428 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1429
972 (playerdir $login) . "/$login.pl" 1430 (playerdir $login) . "/playerdata"
973} 1431}
974 1432
975sub find_active($) { 1433sub find_active($) {
976 $cf::PLAYER{$_[0]} 1434 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1435 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1448 my $login = $_[0];
991 1449
992 my $guard = cf::lock_acquire "user_find:$login"; 1450 my $guard = cf::lock_acquire "user_find:$login";
993 1451
994 $cf::PLAYER{$_[0]} || do { 1452 $cf::PLAYER{$_[0]} || do {
995 my $pl = load_pl path $login 1453 # rename old playerfiles to new ones
1454 #TODO: remove when no longer required
1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1458 aio_unlink +(playerdir $login) . "/$login.pl";
1459
1460 my $f = new_from_file cf::object::thawer path $login
996 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
997 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
998 } 1469 }
999 } 1470 }
1000} 1471}
1001 1472
1010 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1011 1482
1012 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1014 1485
1486 cf::get_slot 0.01;
1487
1015 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1016 Coro::cede; 1489 cf::cede_to_tick;
1017} 1490}
1018 1491
1019sub new($) { 1492sub new($) {
1020 my ($login) = @_; 1493 my ($login) = @_;
1021 1494
1027 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1028 1501
1029 $self 1502 $self
1030} 1503}
1031 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1032=item $pl->quit_character 1515=item $pl->quit_character
1033 1516
1034Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1036 1519
1037=cut 1520=cut
1038 1521
1039sub quit_character { 1522sub quit_character {
1040 my ($pl) = @_; 1523 my ($pl) = @_;
1041 1524
1525 my $name = $pl->ob->name;
1526
1042 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1043 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1044 1529
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1047 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1048 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1049 1536
1050 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1539 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1540 delete $cf::PLAYER{$pl->ob->name};
1054 $pl->destroy; 1541 $pl->destroy;
1542
1543 my $prefix = qr<^~\Q$name\E/>;
1544
1545 # nuke player maps
1546 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1547
1055 IO::AIO::aio_rmtree $temp; 1548 IO::AIO::aio_rmtree $temp;
1549}
1550
1551=item $pl->kick
1552
1553Kicks a player out of the game. This destroys the connection.
1554
1555=cut
1556
1557sub kick {
1558 my ($pl, $kicker) = @_;
1559
1560 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1561 $pl->killer ("kicked");
1562 $pl->ns->destroy;
1056} 1563}
1057 1564
1058=item cf::player::list_logins 1565=item cf::player::list_logins
1059 1566
1060Returns am arrayref of all valid playernames in the system, can take a 1567Returns am arrayref of all valid playernames in the system, can take a
1061while and may block, so not sync_job-capable, ever. 1568while and may block, so not sync_job-capable, ever.
1062 1569
1063=cut 1570=cut
1064 1571
1065sub list_logins { 1572sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1573 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1574 or return [];
1068 1575
1069 my @logins; 1576 my @logins;
1070 1577
1071 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1075 1588
1076 utf8::decode $login; 1589 utf8::decode $login;
1077 push @logins, $login; 1590 push @logins, $login;
1078 } 1591 }
1079 1592
1106 } 1619 }
1107 1620
1108 \@paths 1621 \@paths
1109} 1622}
1110 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1628=item $player->ext_reply ($msgid, @msg)
1112 1629
1113Sends an ext reply to the player. 1630Sends an ext reply to the player.
1114 1631
1115=cut 1632=cut
1116 1633
1117sub ext_reply($$$%) { 1634sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1635 my ($self, $id, @msg) = @_;
1119 1636
1120 $msg{msgid} = $id; 1637 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1638}
1124 1639
1125package cf; 1640=item $player->ext_msg ($type, @msg)
1641
1642Sends an ext event to the client.
1643
1644=cut
1645
1646sub ext_msg($$@) {
1647 my ($self, $type, @msg) = @_;
1648
1649 $self->ns->ext_msg ($type, @msg);
1650}
1651
1652=head3 cf::region
1653
1654=over 4
1655
1656=cut
1657
1658package cf::region;
1659
1660=item cf::region::find_by_path $path
1661
1662Tries to decuce the likely region for a map knowing only its path.
1663
1664=cut
1665
1666sub find_by_path($) {
1667 my ($path) = @_;
1668
1669 my ($match, $specificity);
1670
1671 for my $region (list) {
1672 if ($region->{match} && $path =~ $region->{match}) {
1673 ($match, $specificity) = ($region, $region->specificity)
1674 if $region->specificity > $specificity;
1675 }
1676 }
1677
1678 $match
1679}
1126 1680
1127=back 1681=back
1128
1129 1682
1130=head3 cf::map 1683=head3 cf::map
1131 1684
1132=over 4 1685=over 4
1133 1686
1145our $MAX_RESET = 3600; 1698our $MAX_RESET = 3600;
1146our $DEFAULT_RESET = 3000; 1699our $DEFAULT_RESET = 3000;
1147 1700
1148sub generate_random_map { 1701sub generate_random_map {
1149 my ($self, $rmp) = @_; 1702 my ($self, $rmp) = @_;
1703
1704 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1705
1150 # mit "rum" bekleckern, nicht 1706 # mit "rum" bekleckern, nicht
1151 $self->_create_random_map ( 1707 $self->_create_random_map (
1152 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1708 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1709 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1710 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1188 my ($self, $merge) = @_; 1744 my ($self, $merge) = @_;
1189 1745
1190 # we have to keep some variables in memory intact 1746 # we have to keep some variables in memory intact
1191 local $self->{path}; 1747 local $self->{path};
1192 local $self->{load_path}; 1748 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1749
1196 $self->SUPER::thawer_merge ($merge); 1750 $self->SUPER::thawer_merge ($merge);
1197} 1751}
1198 1752
1199sub normalise { 1753sub normalise {
1246 $self->init; # pass $1 etc. 1800 $self->init; # pass $1 etc.
1247 return $self; 1801 return $self;
1248 } 1802 }
1249 } 1803 }
1250 1804
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1805 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1806 ()
1253} 1807}
1254 1808
1255sub init { 1809sub init {
1256 my ($self) = @_; 1810 my ($self) = @_;
1271 1825
1272# the original (read-only) location 1826# the original (read-only) location
1273sub load_path { 1827sub load_path {
1274 my ($self) = @_; 1828 my ($self) = @_;
1275 1829
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1830 "$MAPDIR/$self->{path}.map"
1277} 1831}
1278 1832
1279# the temporary/swap location 1833# the temporary/swap location
1280sub save_path { 1834sub save_path {
1281 my ($self) = @_; 1835 my ($self) = @_;
1282 1836
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1837 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1838 "$TMPDIR/$path.map"
1285} 1839}
1286 1840
1287# the unique path, undef == no special unique path 1841# the unique path, undef == no special unique path
1288sub uniq_path { 1842sub uniq_path {
1289 my ($self) = @_; 1843 my ($self) = @_;
1290 1844
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1846 "$UNIQUEDIR/$path"
1293} 1847}
1294 1848
1295# and all this just because we cannot iterate over 1849# and all this just because we cannot iterate over
1296# all maps in C++... 1850# all maps in C++...
1297sub change_all_map_light { 1851sub change_all_map_light {
1299 1853
1300 $_->change_map_light ($change) 1854 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1855 for grep $_->outdoor, values %cf::MAP;
1302} 1856}
1303 1857
1858sub decay_objects {
1859 my ($self) = @_;
1860
1861 return if $self->{deny_reset};
1862
1863 $self->do_decay_objects;
1864}
1865
1304sub unlink_save { 1866sub unlink_save {
1305 my ($self) = @_; 1867 my ($self) = @_;
1306 1868
1307 utf8::encode (my $save = $self->save_path); 1869 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1870 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1871 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1872}
1316 1873
1317sub load_header_from($) { 1874sub load_header_from($) {
1318 my ($self, $path) = @_; 1875 my ($self, $path) = @_;
1319 1876
1320 utf8::encode $path; 1877 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1878 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 or return; 1879 or return;
1880
1881 $self->_load_header ($f)
1882 or return;
1883
1884 local $MAP_LOADING{$self->{path}} = $self;
1885 $f->resolve_delayed_derefs;
1326 1886
1327 $self->{load_path} = $path; 1887 $self->{load_path} = $path;
1328 1888
1329 1 1889 1
1330} 1890}
1369 $self->load_header_orig 1929 $self->load_header_orig
1370 or return; 1930 or return;
1371 $self->prepare_orig; 1931 $self->prepare_orig;
1372 } 1932 }
1373 1933
1934 $self->{deny_reset} = 1
1935 if $self->no_reset;
1936
1937 $self->default_region (cf::region::find_by_path $self->{path})
1938 unless $self->default_region;
1939
1374 1 1940 1
1375} 1941}
1376 1942
1377sub find; 1943sub find;
1378sub find { 1944sub find {
1379 my ($path, $origin) = @_; 1945 my ($path, $origin) = @_;
1380 1946
1381 $path = normalise $path, $origin && $origin->path; 1947 $path = normalise $path, $origin && $origin->path;
1382 1948
1949 cf::lock_wait "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 1950 cf::lock_wait "map_find:$path";
1384 1951
1385 $cf::MAP{$path} || do { 1952 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1386 my $guard = cf::lock_acquire "map_find:$path"; 1954 my $guard2 = cf::lock_acquire "map_find:$path";
1955
1387 my $map = new_from_path cf::map $path 1956 my $map = new_from_path cf::map $path
1388 or return; 1957 or return;
1389 1958
1390 $map->{last_save} = $cf::RUNTIME; 1959 $map->{last_save} = $cf::RUNTIME;
1391 1960
1392 $map->load_header 1961 $map->load_header
1393 or return; 1962 or return;
1394 1963
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1964 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 1965 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 1966 #$cf::WAIT_FOR_TICK->wait;
1967 undef $guard2;
1968 undef $guard1;
1398 $map->reset; 1969 $map->reset;
1399 undef $guard;
1400 return find $path; 1970 return find $path;
1401 } 1971 }
1402 1972
1403 $cf::MAP{$path} = $map 1973 $cf::MAP{$path} = $map
1404 } 1974 }
1411 my ($self) = @_; 1981 my ($self) = @_;
1412 1982
1413 local $self->{deny_reset} = 1; # loading can take a long time 1983 local $self->{deny_reset} = 1; # loading can take a long time
1414 1984
1415 my $path = $self->{path}; 1985 my $path = $self->{path};
1986
1987 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 1988 my $guard = cf::lock_acquire "map_data:$path";
1417 1989
1990 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 1991 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 1992
1420 $self->in_memory (cf::MAP_LOADING); 1993 $self->in_memory (cf::MAP_LOADING);
1421 1994
1422 $self->alloc; 1995 $self->alloc;
1423 1996
1424 $self->pre_load; 1997 $self->pre_load;
1998 cf::cede_to_tick;
1425 1999
1426 $self->_load_objects ($self->{load_path}, 1) 2000 my $f = new_from_file cf::object::thawer $self->{load_path};
2001 $f->skip_block;
2002 $self->_load_objects ($f)
1427 or return; 2003 or return;
1428 2004
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2005 $self->post_load_original
1430 if delete $self->{load_original}; 2006 if delete $self->{load_original};
1431 2007
1432 if (my $uniq = $self->uniq_path) { 2008 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 2009 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 2010 unless (aio_stat $uniq) {
2011 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 2012 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 2013 $self->_load_objects ($f);
2014 $f->resolve_delayed_derefs;
2015 }
1437 } 2016 }
1438 } 2017 }
1439 2018
1440 Coro::cede; 2019 $f->resolve_delayed_derefs;
1441 2020
2021 cf::cede_to_tick;
1442 # now do the right thing for maps 2022 # now do the right thing for maps
1443 $self->link_multipart_objects; 2023 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede;
1450 $self->set_darkness_map;
1451 $self->difficulty ($self->estimate_difficulty) 2024 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 2025 unless $self->difficulty;
1453 Coro::cede; 2026 cf::cede_to_tick;
2027
2028 unless ($self->{deny_activate}) {
2029 $self->decay_objects;
2030 $self->fix_auto_apply;
2031 $self->update_buttons;
2032 cf::cede_to_tick;
2033 $self->set_darkness_map;
2034 cf::cede_to_tick;
1454 $self->activate; 2035 $self->activate;
2036 }
2037
2038 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME);
2040
2041 $self->in_memory (cf::MAP_ACTIVE);
1455 } 2042 }
1456 2043
1457 $self->post_load; 2044 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 2045}
1461 2046
1462sub customise_for { 2047sub customise_for {
1463 my ($self, $ob) = @_; 2048 my ($self, $ob) = @_;
1464 2049
1465 return find "~" . $ob->name . "/" . $self->{path} 2050 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 2051 if $self->per_player;
1467 2052
2053# return find "?party/" . $ob->name . "/" . $self->{path}
2054# if $self->per_party;
2055
1468 $self 2056 $self
1469} 2057}
1470 2058
1471# find and load all maps in the 3x3 area around a map 2059# find and load all maps in the 3x3 area around a map
1472sub load_diag { 2060sub load_neighbours {
1473 my ($map) = @_; 2061 my ($map) = @_;
1474 2062
1475 my @diag; # diagonal neighbours 2063 my @neigh; # diagonal neighbours
1476 2064
1477 for (0 .. 3) { 2065 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 2066 my $neigh = $map->tile_path ($_)
1479 or next; 2067 or next;
1480 $neigh = find $neigh, $map 2068 $neigh = find $neigh, $map
1481 or next; 2069 or next;
1482 $neigh->load; 2070 $neigh->load;
1483 2071
2072 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2073 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2074 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2075 }
1487 2076
1488 for (@diag) { 2077 for (grep defined $_->[0], @neigh) {
2078 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2079 my $neigh = find $path, $origin
1490 or next; 2080 or next;
1491 $neigh->load; 2081 $neigh->load;
1492 } 2082 }
1493} 2083}
1494 2084
1499} 2089}
1500 2090
1501sub do_load_sync { 2091sub do_load_sync {
1502 my ($map) = @_; 2092 my ($map) = @_;
1503 2093
2094 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2095 if $Coro::current == $Coro::main;
2096
1504 cf::sync_job { $map->load }; 2097 cf::sync_job { $map->load };
1505} 2098}
1506 2099
1507our %MAP_PREFETCH; 2100our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2101our $MAP_PREFETCHER = undef;
1509 2102
1510sub find_async { 2103sub find_async {
1511 my ($path, $origin) = @_; 2104 my ($path, $origin, $load) = @_;
1512 2105
1513 $path = normalise $path, $origin && $origin->{path}; 2106 $path = normalise $path, $origin && $origin->{path};
1514 2107
1515 if (my $map = $cf::MAP{$path}) { 2108 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2109 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517 } 2110 }
1518 2111
1519 undef $MAP_PREFETCH{$path}; 2112 $MAP_PREFETCH{$path} |= $load;
2113
1520 $MAP_PREFETCHER ||= cf::async { 2114 $MAP_PREFETCHER ||= cf::async {
2115 $Coro::current->{desc} = "map prefetcher";
2116
1521 while (%MAP_PREFETCH) { 2117 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2118 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2119 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2120 $map->load if $v;
2121 }
1526 2122
1527 delete $MAP_PREFETCH{$path}; 2123 delete $MAP_PREFETCH{$k};
1528 } 2124 }
1529 } 2125 }
1530 undef $MAP_PREFETCHER; 2126 undef $MAP_PREFETCHER;
1531 }; 2127 };
1532 $MAP_PREFETCHER->prio (6); 2128 $MAP_PREFETCHER->prio (6);
1535} 2131}
1536 2132
1537sub save { 2133sub save {
1538 my ($self) = @_; 2134 my ($self) = @_;
1539 2135
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2136 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2137
1542 $self->{last_save} = $cf::RUNTIME; 2138 $self->{last_save} = $cf::RUNTIME;
1543 2139
1544 return unless $self->dirty; 2140 return unless $self->dirty;
1545 2141
1551 return if $self->{deny_save}; 2147 return if $self->{deny_save};
1552 2148
1553 local $self->{last_access} = $self->last_access;#d# 2149 local $self->{last_access} = $self->last_access;#d#
1554 2150
1555 cf::async { 2151 cf::async {
2152 $Coro::current->{desc} = "map player save";
1556 $_->contr->save for $self->players; 2153 $_->contr->save for $self->players;
1557 }; 2154 };
2155
2156 cf::get_slot 0.02;
1558 2157
1559 if ($uniq) { 2158 if ($uniq) {
1560 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2159 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2160 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1562 } else { 2161 } else {
1568 my ($self) = @_; 2167 my ($self) = @_;
1569 2168
1570 # save first because save cedes 2169 # save first because save cedes
1571 $self->save; 2170 $self->save;
1572 2171
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2173
1575 return if $self->players; 2174 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2175 return if $self->in_memory != cf::MAP_ACTIVE;
1577 return if $self->{deny_save}; 2176 return if $self->{deny_save};
1578 2177
2178 $self->in_memory (cf::MAP_SWAPPED);
2179
2180 $self->deactivate;
2181 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2182 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2183}
1582 2184
1583sub reset_at { 2185sub reset_at {
1584 my ($self) = @_; 2186 my ($self) = @_;
1585 2187
1586 # TODO: safety, remove and allow resettable per-player maps 2188 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 2189 return 1e99 if $self->{deny_reset};
1589 2190
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2191 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2192 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 2193
1603 my ($self) = @_; 2204 my ($self) = @_;
1604 2205
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2207
1607 return if $self->players; 2208 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2209
1610 warn "resetting map ", $self->path;#d# 2210 warn "resetting map ", $self->path;
1611 2211
1612 $self->in_memory (cf::MAP_SWAPPED); 2212 $self->in_memory (cf::MAP_SWAPPED);
1613 2213
1614 # need to save uniques path 2214 # need to save uniques path
1615 unless ($self->{deny_save}) { 2215 unless ($self->{deny_save}) {
1619 if $uniq; 2219 if $uniq;
1620 } 2220 }
1621 2221
1622 delete $cf::MAP{$self->path}; 2222 delete $cf::MAP{$self->path};
1623 2223
2224 $self->deactivate;
2225 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2226 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2227
1628 $self->unlink_save; 2228 $self->unlink_save;
1629 $self->destroy; 2229 $self->destroy;
1630} 2230}
1631 2231
1632my $nuke_counter = "aaaa"; 2232my $nuke_counter = "aaaa";
1633 2233
1634sub nuke { 2234sub nuke {
1635 my ($self) = @_; 2235 my ($self) = @_;
1636 2236
2237 {
2238 my $lock = cf::lock_acquire "map_data:$self->{path}";
2239
1637 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1638 2241
1639 $self->unlink_save; 2242 $self->unlink_save;
1640 2243
1641 bless $self, "cf::map"; 2244 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2245 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2246 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2247 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2248 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2249
1647 $cf::MAP{$self->path} = $self; 2250 $cf::MAP{$self->path} = $self;
2251 }
1648 2252
1649 $self->reset; # polite request, might not happen 2253 $self->reset; # polite request, might not happen
2254}
2255
2256=item $maps = cf::map::tmp_maps
2257
2258Returns an arrayref with all map paths of currently instantiated and saved
2259maps. May block.
2260
2261=cut
2262
2263sub tmp_maps() {
2264 [
2265 map {
2266 utf8::decode $_;
2267 /\.map$/
2268 ? normalise $_
2269 : ()
2270 } @{ aio_readdir $TMPDIR or [] }
2271 ]
2272}
2273
2274=item $maps = cf::map::random_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277random maps. May block.
2278
2279=cut
2280
2281sub random_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise "?random/$_"
2287 : ()
2288 } @{ aio_readdir $RANDOMDIR or [] }
2289 ]
1650} 2290}
1651 2291
1652=item cf::map::unique_maps 2292=item cf::map::unique_maps
1653 2293
1654Returns an arrayref of paths of all shared maps that have 2294Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2295instantiated unique items. May block.
1656 2296
1657=cut 2297=cut
1658 2298
1659sub unique_maps() { 2299sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2300 [
1661 or return; 2301 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2302 utf8::decode $_;
1667 next if /\.pst$/; 2303 s/\.map$//; # TODO future compatibility hack
1668 next unless /^$PATH_SEP/o; 2304 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669 2305 ? ()
1670 push @paths, cf::map::normalise $_; 2306 : normalise $_
2307 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2308 ]
1672
1673 \@paths
1674} 2309}
1675
1676package cf;
1677 2310
1678=back 2311=back
1679 2312
1680=head3 cf::object 2313=head3 cf::object
1681 2314
1685 2318
1686=over 4 2319=over 4
1687 2320
1688=item $ob->inv_recursive 2321=item $ob->inv_recursive
1689 2322
1690Returns the inventory of the object _and_ their inventories, recursively. 2323Returns the inventory of the object I<and> their inventories, recursively,
2324but I<not> the object itself.
1691 2325
1692=cut 2326=cut
1693 2327
1694sub inv_recursive_; 2328sub inv_recursive_;
1695sub inv_recursive_ { 2329sub inv_recursive_ {
1698 2332
1699sub inv_recursive { 2333sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2334 inv_recursive_ inv $_[0]
1701} 2335}
1702 2336
2337=item $ref = $ob->ref
2338
2339Creates and returns a persistent reference to an object that can be stored as a string.
2340
2341=item $ob = cf::object::deref ($refstring)
2342
2343returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2344even if the object actually exists. May block.
2345
2346=cut
2347
2348sub deref {
2349 my ($ref) = @_;
2350
2351 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2352 my ($uuid, $name) = ($1, $2);
2353 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2354 or return;
2355 $pl->ob->uuid eq $uuid
2356 or return;
2357
2358 $pl->ob
2359 } else {
2360 warn "$ref: cannot resolve object reference\n";
2361 undef
2362 }
2363}
2364
1703package cf; 2365package cf;
1704 2366
1705=back 2367=back
1706 2368
1707=head3 cf::object::player 2369=head3 cf::object::player
1713Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2375Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714can be C<undef>. Does the right thing when the player is currently in a 2376can be C<undef>. Does the right thing when the player is currently in a
1715dialogue with the given NPC character. 2377dialogue with the given NPC character.
1716 2378
1717=cut 2379=cut
2380
2381our $SAY_CHANNEL = {
2382 id => "say",
2383 title => "Map",
2384 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2386};
2387
2388our $CHAT_CHANNEL = {
2389 id => "chat",
2390 title => "Chat",
2391 reply => "chat ",
2392 tooltip => "Player chat and shouts, global to the server.",
2393};
1718 2394
1719# rough implementation of a future "reply" method that works 2395# rough implementation of a future "reply" method that works
1720# with dialog boxes. 2396# with dialog boxes.
1721#TODO: the first argument must go, split into a $npc->reply_to ( method 2397#TODO: the first argument must go, split into a $npc->reply_to ( method
1722sub cf::object::player::reply($$$;$) { 2398sub cf::object::player::reply($$$;$) {
1724 2400
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2401 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2402
1727 if ($self->{record_replies}) { 2403 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2404 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2405
1729 } else { 2406 } else {
2407 my $pl = $self->contr;
2408
2409 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2410 my $dialog = $pl->{npc_dialog};
2411 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2412
2413 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2414 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2415 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2416 }
1732 } 2417 }
2418}
2419
2420=item $object->send_msg ($channel, $msg, $color, [extra...])
2421
2422=cut
2423
2424sub cf::object::send_msg {
2425 my $pl = shift->contr
2426 or return;
2427 $pl->send_msg (@_);
1733} 2428}
1734 2429
1735=item $player_object->may ("access") 2430=item $player_object->may ("access")
1736 2431
1737Returns wether the given player is authorized to access resource "access" 2432Returns wether the given player is authorized to access resource "access"
1784 $self->deactivate_recursive; 2479 $self->deactivate_recursive;
1785 2480
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2481 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2482
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2483 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2484 if $self->map && $self->map->{path} ne "{link}";
1790 2485
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2486 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2487}
1793 2488
1794sub cf::object::player::leave_link { 2489sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2490 my ($self, $map, $x, $y) = @_;
2491
2492 return unless $self->contr->active;
1796 2493
1797 my $link_pos = delete $self->{_link_pos}; 2494 my $link_pos = delete $self->{_link_pos};
1798 2495
1799 unless ($map) { 2496 unless ($map) {
1800 # restore original map position 2497 # restore original map position
1814 # use -1 or undef as default coordinates, not 0, 0 2511 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2512 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2513 if $x <=0 && $y <= 0;
1817 2514
1818 $map->load; 2515 $map->load;
1819 $map->load_diag; 2516 $map->load_neighbours;
1820 2517
1821 return unless $self->contr->active; 2518 return unless $self->contr->active;
1822 $self->activate_recursive; 2519 $self->activate_recursive;
2520
2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823 $self->enter_map ($map, $x, $y); 2522 $self->enter_map ($map, $x, $y);
1824} 2523}
1825 2524
1826cf::player->attach ( 2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827 on_logout => sub {
1828 my ($pl) = @_;
1829 2526
1830 # abort map switching before logout 2527Moves the player to the given map-path and coordinates by first freezing
1831 if ($pl->ob->{_link_pos}) { 2528her, loading and preparing them map, calling the provided $check callback
1832 cf::sync_job { 2529that has to return the map if sucecssful, and then unfreezes the player on
1833 $pl->ob->leave_link 2530the new (success) or old (failed) map position. In either case, $done will
1834 }; 2531be called at the end of this process.
1835 }
1836 },
1837 on_login => sub {
1838 my ($pl) = @_;
1839 2532
1840 # try to abort aborted map switching on player login :) 2533Note that $check will be called with a potentially non-loaded map, so if
1841 # should happen only on crashes 2534it needs a loaded map it has to call C<< ->load >>.
1842 if ($pl->ob->{_link_pos}) {
1843 $pl->ob->enter_link;
1844 (async {
1845 # we need this sleep as the login has a concurrent enter_exit running
1846 # and this sleep increases chances of the player not ending up in scorn
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 Coro::Timer::sleep 1;
1852 $pl->ob->leave_link;
1853 })->prio (2);
1854 }
1855 },
1856);
1857 2535
1858=item $player_object->goto ($path, $x, $y)
1859
1860=cut 2536=cut
2537
2538our $GOTOGEN;
1861 2539
1862sub cf::object::player::goto { 2540sub cf::object::player::goto {
1863 my ($self, $path, $x, $y) = @_; 2541 my ($self, $path, $x, $y, $check, $done) = @_;
2542
2543 # do generation counting so two concurrent goto's will be executed in-order
2544 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864 2545
1865 $self->enter_link; 2546 $self->enter_link;
1866 2547
1867 (async { 2548 (async {
2549 $Coro::current->{desc} = "player::goto $path $x $y";
2550
2551 # *tag paths override both path and x|y
2552 if ($path =~ /^\*(.*)$/) {
2553 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2554 my $ob = $obs[rand @obs];
2555
2556 # see if we actually can go there
2557 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2558 $ob = $obs[rand @obs];
2559 } else {
2560 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2561 }
2562 # else put us there anyways for now #d#
2563
2564 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2565 } else {
2566 ($path, $x, $y) = (undef, undef, undef);
2567 }
2568 }
2569
1868 my $map = eval { 2570 my $map = eval {
1869 my $map = cf::map::find $path; 2571 my $map = defined $path ? cf::map::find $path : undef;
2572
2573 if ($map) {
1870 $map = $map->customise_for ($self) if $map; 2574 $map = $map->customise_for ($self);
2575 $map = $check->($map) if $check && $map;
2576 } else {
2577 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579
1871 $map 2580 $map
2581 };
2582
2583 if ($@) {
2584 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2585 LOG llevError | logBacktrace, Carp::longmess $@;
1872 } or 2586 }
1873 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874 2587
2588 if ($gen == $self->{_goto_generation}) {
2589 delete $self->{_goto_generation};
1875 $self->leave_link ($map, $x, $y); 2590 $self->leave_link ($map, $x, $y);
2591 }
2592
2593 $done->() if $done;
1876 })->prio (1); 2594 })->prio (1);
1877} 2595}
1878 2596
1879=item $player_object->enter_exit ($exit_object) 2597=item $player_object->enter_exit ($exit_object)
1880 2598
1900} 2618}
1901 2619
1902sub prepare_random_map { 2620sub prepare_random_map {
1903 my ($exit) = @_; 2621 my ($exit) = @_;
1904 2622
1905 my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907 # all this does is basically replace the /! path by 2623 # all this does is basically replace the /! path by
1908 # a new random map path (?random/...) with a seed 2624 # a new random map path (?random/...) with a seed
1909 # that depends on the exit object 2625 # that depends on the exit object
1910 2626
1911 my $rmp = parse_random_map_params $exit->msg; 2627 my $rmp = parse_random_map_params $exit->msg;
1913 if ($exit->map) { 2629 if ($exit->map) {
1914 $rmp->{region} = $exit->region->name; 2630 $rmp->{region} = $exit->region->name;
1915 $rmp->{origin_map} = $exit->map->path; 2631 $rmp->{origin_map} = $exit->map->path;
1916 $rmp->{origin_x} = $exit->x; 2632 $rmp->{origin_x} = $exit->x;
1917 $rmp->{origin_y} = $exit->y; 2633 $rmp->{origin_y} = $exit->y;
2634
2635 $exit->map->touch;
1918 } 2636 }
1919 2637
1920 $rmp->{random_seed} ||= $exit->random_seed; 2638 $rmp->{random_seed} ||= $exit->random_seed;
1921 2639
1922 my $data = cf::to_json $rmp; 2640 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923 my $md5 = Digest::MD5::md5_hex $data; 2641 my $md5 = Digest::MD5::md5_hex $data;
1924 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2642 my $meta = "$RANDOMDIR/$md5.meta";
1925 2643
1926 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2644 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927 aio_write $fh, 0, (length $data), $data, 0; 2645 aio_write $fh, 0, (length $data), $data, 0;
1928 undef $fh; 2646 undef $fh;
1929 aio_rename "$meta~", $meta; 2647 aio_rename "$meta~", $meta;
1930 2648
2649 my $slaying = "?random/$md5";
2650
2651 if ($exit->valid) {
1931 $exit->slaying ("?random/$md5"); 2652 $exit->slaying ("?random/$md5");
1932 $exit->msg (undef); 2653 $exit->msg (undef);
2654 }
1933 } 2655 }
1934} 2656}
1935 2657
1936sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
1937 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
1938 2660
1939 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
1940 2662
1941 if ($exit->slaying eq "/!") {
1942 #TODO: this should de-fi-ni-te-ly not be a sync-job
1943 cf::sync_job { prepare_random_map $exit };
1944 }
1945
1946 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947 my $hp = $exit->stats->hp;
1948 my $sp = $exit->stats->sp;
1949
1950 $self->enter_link; 2663 $self->enter_link;
1951 2664
1952 (async { 2665 (async {
1953 $self->deactivate_recursive; # just to be sure 2666 $Coro::current->{desc} = "enter_exit";
2667
1954 unless (eval { 2668 unless (eval {
2669 $self->deactivate_recursive; # just to be sure
2670
2671 # random map handling
2672 {
2673 my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
2675 prepare_random_map $exit
2676 if $exit->slaying eq "/!";
2677 }
2678
2679 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2680 my $x = $exit->stats->hp;
2681 my $y = $exit->stats->sp;
2682
1955 $self->goto ($slaying, $hp, $sp); 2683 $self->goto ($map, $x, $y);
1956 2684
2685 # if exit is damned, update players death & WoR home-position
2686 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED);
2688
1957 1; 2689 1
1958 }) { 2690 }) {
1959 $self->message ("Something went wrong deep within the crossfire server. " 2691 $self->message ("Something went wrong deep within the crossfire server. "
1960 . "I'll try to bring you back to the map you were before. " 2692 . "I'll try to bring you back to the map you were before. "
1961 . "Please report this to the dungeon master!", 2693 . "Please report this to the dungeon master!",
1962 cf::NDI_UNIQUE | cf::NDI_RED); 2694 cf::NDI_UNIQUE | cf::NDI_RED);
1963 2695
1964 warn "ERROR in enter_exit: $@"; 2696 warn "ERROR in enter_exit: $@";
1965 $self->leave_link; 2697 $self->leave_link;
1966 } 2698 }
1967 })->prio (1); 2699 })->prio (1);
1980 2712
1981sub cf::client::send_drawinfo { 2713sub cf::client::send_drawinfo {
1982 my ($self, $text, $flags) = @_; 2714 my ($self, $text, $flags) = @_;
1983 2715
1984 utf8::encode $text; 2716 utf8::encode $text;
1985 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986} 2718}
1987 2719
2720=item $client->send_msg ($channel, $msg, $color, [extra...])
2721
2722Send a drawinfo or msg packet to the client, formatting the msg for the
2723client if neccessary. C<$type> should be a string identifying the type of
2724the message, with C<log> being the default. If C<$color> is negative, suppress
2725the message unless the client supports the msg packet.
2726
2727=cut
2728
2729# non-persistent channels (usually the info channel)
2730our %CHANNEL = (
2731 "c/identify" => {
2732 id => "infobox",
2733 title => "Identify",
2734 reply => undef,
2735 tooltip => "Items recently identified",
2736 },
2737 "c/examine" => {
2738 id => "infobox",
2739 title => "Examine",
2740 reply => undef,
2741 tooltip => "Signs and other items you examined",
2742 },
2743 "c/book" => {
2744 id => "infobox",
2745 title => "Book",
2746 reply => undef,
2747 tooltip => "The contents of a note or book",
2748 },
2749 "c/lookat" => {
2750 id => "infobox",
2751 title => "Look",
2752 reply => undef,
2753 tooltip => "What you saw there",
2754 },
2755 "c/who" => {
2756 id => "infobox",
2757 title => "Players",
2758 reply => undef,
2759 tooltip => "Shows players who are currently online",
2760 },
2761 "c/body" => {
2762 id => "infobox",
2763 title => "Body Parts",
2764 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available",
2766 },
2767 "c/uptime" => {
2768 id => "infobox",
2769 title => "Uptime",
2770 reply => undef,
2771 tooltip => "How long the server has been running since last restart",
2772 },
2773 "c/mapinfo" => {
2774 id => "infobox",
2775 title => "Map Info",
2776 reply => undef,
2777 tooltip => "Information related to the maps",
2778 },
2779 "c/party" => {
2780 id => "party",
2781 title => "Party",
2782 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party",
2784 },
2785);
2786
2787sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_;
2789
2790 $msg = $self->pl->expand_cfpod ($msg);
2791
2792 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793
2794 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel};
2797
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id};
2802
2803 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel)
2808 if $self->can_msg;
2809 }
2810
2811 $channel = $channel->{id};
2812 }
2813
2814 return unless @extra || length $msg;
2815
2816 if ($self->can_msg) {
2817 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF;
2820
2821 my $pkt = "msg "
2822 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 );
2825
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862}
2863
2864=item $client->ext_msg ($type, @msg)
2865
2866Sends an ext event to the client.
2867
2868=cut
2869
2870sub cf::client::ext_msg($$@) {
2871 my ($self, $type, @msg) = @_;
2872
2873 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove
2876 push @msg, msgtype => "event_$type";
2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 }
2879}
2880
2881=item $client->ext_reply ($msgid, @msg)
2882
2883Sends an ext reply to the client.
2884
2885=cut
2886
2887sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_;
2889
2890 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 }
2897}
1988 2898
1989=item $success = $client->query ($flags, "text", \&cb) 2899=item $success = $client->query ($flags, "text", \&cb)
1990 2900
1991Queues a query to the client, calling the given callback with 2901Queues a query to the client, calling the given callback with
1992the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2902the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2903C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994 2904
1995Queries can fail, so check the return code. Or don't, as queries will become 2905Queries can fail, so check the return code. Or don't, as queries will
1996reliable at some point in the future. 2906become reliable at some point in the future.
1997 2907
1998=cut 2908=cut
1999 2909
2000sub cf::client::query { 2910sub cf::client::query {
2001 my ($self, $flags, $text, $cb) = @_; 2911 my ($self, $flags, $text, $cb) = @_;
2009 utf8::encode $text; 2919 utf8::encode $text;
2010 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2920 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011 2921
2012 $self->send_packet ($self->{query_queue}[0][0]) 2922 $self->send_packet ($self->{query_queue}[0][0])
2013 if @{ $self->{query_queue} } == 1; 2923 if @{ $self->{query_queue} } == 1;
2924
2925 1
2014} 2926}
2015 2927
2016cf::client->attach ( 2928cf::client->attach (
2929 on_connect => sub {
2930 my ($ns) = @_;
2931
2932 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2933 },
2017 on_reply => sub { 2934 on_reply => sub {
2018 my ($ns, $msg) = @_; 2935 my ($ns, $msg) = @_;
2019 2936
2020 # this weird shuffling is so that direct followup queries 2937 # this weird shuffling is so that direct followup queries
2021 # get handled first 2938 # get handled first
2033 } else { 2950 } else {
2034 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2951 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035 } 2952 }
2036 } 2953 }
2037 }, 2954 },
2955 on_exticmd => sub {
2956 my ($ns, $buf) = @_;
2957
2958 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959
2960 if (ref $msg) {
2961 my ($type, $reply, @payload) =
2962 "ARRAY" eq ref $msg
2963 ? @$msg
2964 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965
2966 my @reply;
2967
2968 if (my $cb = $EXTICMD{$type}) {
2969 @reply = $cb->($ns, @payload);
2970 }
2971
2972 $ns->ext_reply ($reply, @reply)
2973 if $reply;
2974
2975 } else {
2976 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977 }
2978
2979 cf::override;
2980 },
2038); 2981);
2039 2982
2040=item $client->async (\&cb) 2983=item $client->async (\&cb)
2041 2984
2042Create a new coroutine, running the specified callback. The coroutine will 2985Create a new coroutine, running the specified callback. The coroutine will
2083our $safe = new Safe "safe"; 3026our $safe = new Safe "safe";
2084our $safe_hole = new Safe::Hole; 3027our $safe_hole = new Safe::Hole;
2085 3028
2086$SIG{FPE} = 'IGNORE'; 3029$SIG{FPE} = 'IGNORE';
2087 3030
2088$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3031$safe->permit_only (Opcode::opset qw(
3032 :base_core :base_mem :base_orig :base_math
3033 grepstart grepwhile mapstart mapwhile
3034 sort time
3035));
2089 3036
2090# here we export the classes and methods available to script code 3037# here we export the classes and methods available to script code
2091 3038
2092=pod 3039=pod
2093 3040
2094The following fucntions and emthods are available within a safe environment: 3041The following functions and methods are available within a safe environment:
2095 3042
2096 cf::object contr pay_amount pay_player map 3043 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split
3046
2097 cf::object::player player 3047 cf::object::player
2098 cf::player peaceful 3048 player
2099 cf::map trigger 3049
3050 cf::player
3051 peaceful
3052
3053 cf::map
3054 trigger
2100 3055
2101=cut 3056=cut
2102 3057
2103for ( 3058for (
2104 ["cf::object" => qw(contr pay_amount pay_player map)], 3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)],
2105 ["cf::object::player" => qw(player)], 3062 ["cf::object::player" => qw(player)],
2106 ["cf::player" => qw(peaceful)], 3063 ["cf::player" => qw(peaceful)],
2107 ["cf::map" => qw(trigger)], 3064 ["cf::map" => qw(trigger)],
2108) { 3065) {
2109 no strict 'refs'; 3066 no strict 'refs';
2180=back 3137=back
2181 3138
2182=cut 3139=cut
2183 3140
2184############################################################################# 3141#############################################################################
2185
2186=head2 EXTENSION DATABASE SUPPORT
2187
2188Crossfire maintains a very simple database for extension use. It can
2189currently store anything that can be serialised using Storable, which
2190excludes objects.
2191
2192The parameter C<$family> should best start with the name of the extension
2193using it, it should be unique.
2194
2195=over 4
2196
2197=item $value = cf::db_get $family => $key
2198
2199Returns a single value from the database.
2200
2201=item cf::db_put $family => $key => $value
2202
2203Stores the given C<$value> in the family.
2204
2205=cut
2206
2207our $DB;
2208
2209sub db_init {
2210 unless ($DB) {
2211 $DB = BDB::db_create $DB_ENV;
2212
2213 cf::sync_job {
2214 eval {
2215 $DB->set_flags (BDB::CHKSUM);
2216
2217 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219 cf::cleanup "db_open(db): $!" if $!;
2220 };
2221 cf::cleanup "db_open(db): $@" if $@;
2222 };
2223
2224 my $path = cf::localdir . "/database.pst";
2225 if (stat $path) {
2226 cf::sync_job {
2227 my $pst = Storable::retrieve $path;
2228
2229 cf::db_put (board => data => $pst->{board});
2230 cf::db_put (guildrules => data => $pst->{guildrules});
2231 cf::db_put (rent => balance => $pst->{rent}{balance});
2232 BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234 unlink $path;
2235 };
2236 }
2237 }
2238}
2239
2240sub db_get($$) {
2241 my $key = "$_[0]/$_[1]";
2242
2243 cf::sync_job {
2244 BDB::db_get $DB, undef, $key, my $data;
2245
2246 $! ? ()
2247 : Compress::LZF::sthaw $data
2248 }
2249}
2250
2251sub db_put($$$) {
2252 BDB::dbreq_pri 4;
2253 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254}
2255
2256#############################################################################
2257# the server's init and main functions 3142# the server's init and main functions
2258 3143
3144sub load_facedata($) {
3145 my ($path) = @_;
3146
3147 # HACK to clear player env face cache, we need some signal framework
3148 # for this (global event?)
3149 %ext::player_env::MUSIC_FACE_CACHE = ();
3150
3151 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3152
3153 warn "loading facedata from $path\n";
3154
3155 my $facedata;
3156 0 < aio_load $path, $facedata
3157 or die "$path: $!";
3158
3159 $facedata = Coro::Storable::thaw $facedata;
3160
3161 $facedata->{version} == 2
3162 or cf::cleanup "$path: version mismatch, cannot proceed.";
3163
3164 # patch in the exptable
3165 $facedata->{resource}{"res/exp_table"} = {
3166 type => FT_RSRC,
3167 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3168 };
3169 cf::cede_to_tick;
3170
3171 {
3172 my $faces = $facedata->{faceinfo};
3173
3174 while (my ($face, $info) = each %$faces) {
3175 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3176
3177 cf::face::set_visibility $idx, $info->{visibility};
3178 cf::face::set_magicmap $idx, $info->{magicmap};
3179 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3180 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3181
3182 cf::cede_to_tick;
3183 }
3184
3185 while (my ($face, $info) = each %$faces) {
3186 next unless $info->{smooth};
3187
3188 my $idx = cf::face::find $face
3189 or next;
3190
3191 if (my $smooth = cf::face::find $info->{smooth}) {
3192 cf::face::set_smooth $idx, $smooth;
3193 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3194 } else {
3195 warn "smooth face '$info->{smooth}' not found for face '$face'";
3196 }
3197
3198 cf::cede_to_tick;
3199 }
3200 }
3201
3202 {
3203 my $anims = $facedata->{animinfo};
3204
3205 while (my ($anim, $info) = each %$anims) {
3206 cf::anim::set $anim, $info->{frames}, $info->{facings};
3207 cf::cede_to_tick;
3208 }
3209
3210 cf::anim::invalidate_all; # d'oh
3211 }
3212
3213 {
3214 # TODO: for gcfclient pleasure, we should give resources
3215 # that gcfclient doesn't grok a >10000 face index.
3216 my $res = $facedata->{resource};
3217
3218 while (my ($name, $info) = each %$res) {
3219 if (defined $info->{type}) {
3220 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221 my $data;
3222
3223 if ($info->{type} & 1) {
3224 # prepend meta info
3225
3226 my $meta = $enc->encode ({
3227 name => $name,
3228 %{ $info->{meta} || {} },
3229 });
3230
3231 $data = pack "(w/a*)*", $meta, $info->{data};
3232 } else {
3233 $data = $info->{data};
3234 }
3235
3236 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237 cf::face::set_type $idx, $info->{type};
3238 } else {
3239 $RESOURCE{$name} = $info;
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247
3248 1
3249}
3250
3251cf::global->attach (on_resource_update => sub {
3252 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256 my $sound = $soundconf->{compat}[$_]
3257 or next;
3258
3259 my $face = cf::face::find "sound/$sound->[1]";
3260 cf::sound::set $sound->[0] => $face;
3261 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262 }
3263
3264 while (my ($k, $v) = each %{$soundconf->{event}}) {
3265 my $face = cf::face::find "sound/$v";
3266 cf::sound::set $k => $face;
3267 }
3268 }
3269});
3270
3271register_exticmd fx_want => sub {
3272 my ($ns, $want) = @_;
3273
3274 while (my ($k, $v) = each %$want) {
3275 $ns->fx_want ($k, $v);
3276 }
3277};
3278
2259sub load_resources { 3279sub load_resource_file($) {
2260 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3280 my $guard = lock_acquire "load_resource_file";
3281
3282 my $status = load_resource_file_ $_[0];
3283 get_slot 0.1, 100;
3284 cf::arch::commit_load;
3285
3286 $status
3287}
3288
3289sub reload_regions {
3290 # HACK to clear player env face cache, we need some signal framework
3291 # for this (global event?)
3292 %ext::player_env::MUSIC_FACE_CACHE = ();
3293
3294 load_resource_file "$MAPDIR/regions"
2261 or die "unable to load regions file\n";#d# 3295 or die "unable to load regions file\n";
2262}
2263 3296
2264sub cfg_load { 3297 for (cf::region::list) {
3298 $_->{match} = qr/$_->{match}/
3299 if exists $_->{match};
3300 }
3301}
3302
3303sub reload_facedata {
3304 load_facedata "$DATADIR/facedata"
3305 or die "unable to load facedata\n";
3306}
3307
3308sub reload_archetypes {
3309 load_resource_file "$DATADIR/archetypes"
3310 or die "unable to load archetypes\n";
3311}
3312
3313sub reload_treasures {
3314 load_resource_file "$DATADIR/treasures"
3315 or die "unable to load treasurelists\n";
3316}
3317
3318sub reload_resources {
3319 warn "reloading resource files...\n";
3320
3321 reload_facedata;
3322 reload_archetypes;
3323 reload_regions;
3324 reload_treasures;
3325
3326 warn "finished reloading resource files\n";
3327}
3328
3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
3334 reload_resources;
3335}
3336
3337sub reload_config {
2265 open my $fh, "<:utf8", cf::confdir . "/config" 3338 open my $fh, "<:utf8", "$CONFDIR/config"
2266 or return; 3339 or return;
2267 3340
2268 local $/; 3341 local $/;
2269 *CFG = YAML::Syck::Load <$fh>; 3342 *CFG = YAML::Load <$fh>;
2270 3343
2271 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2272 3345
2273 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2274 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2280 }; 3353 };
2281 warn $@ if $@; 3354 warn $@ if $@;
2282 } 3355 }
2283} 3356}
2284 3357
2285sub init {
2286 load_resources;
2287}
2288
2289sub main { 3358sub main {
2290 # we must not ever block the main coroutine 3359 # we must not ever block the main coroutine
2291 local $Coro::idle = sub { 3360 local $Coro::idle = sub {
2292 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293 (async { 3362 (async {
2294 Event::one_event; 3363 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT;
2295 })->prio (Coro::PRIO_MAX); 3365 })->prio (Coro::PRIO_MAX);
2296 }; 3366 };
2297 3367
2298 cfg_load; 3368 {
3369 my $guard = freeze_mainloop;
3370 reload_config;
2299 db_init; 3371 db_init;
2300 load_extensions; 3372 load_extensions;
2301 3373
2302 $TICK_WATCHER->start; 3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3375 }
3376
2303 Event::loop; 3377 EV::loop;
2304} 3378}
2305 3379
2306############################################################################# 3380#############################################################################
2307# initialisation and cleanup 3381# initialisation and cleanup
2308 3382
2309# install some emergency cleanup handlers 3383# install some emergency cleanup handlers
2310BEGIN { 3384BEGIN {
3385 our %SIGWATCHER = ();
2311 for my $signal (qw(INT HUP TERM)) { 3386 for my $signal (qw(INT HUP TERM)) {
2312 Event->signal ( 3387 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2313 reentrant => 0,
2314 data => WF_AUTOCANCEL,
2315 signal => $signal,
2316 prio => 0,
2317 cb => sub {
2318 cf::cleanup "SIG$signal"; 3388 cf::cleanup "SIG$signal";
2319 },
2320 ); 3389 };
3390 }
3391}
3392
3393sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time.
3398
3399 IO::AIO::aio_utime $runtime, undef, undef;
3400
3401 my $guard = cf::lock_acquire "write_runtime";
3402
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3404 or return;
3405
3406 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server.
3409
3410 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3411 and return;
3412
3413 # always fsync - this file is important
3414 aio_fsync $fh
3415 and return;
3416
3417 # touch it again to show we are up-to-date
3418 aio_utime $fh, undef, undef;
3419
3420 close $fh
3421 or return;
3422
3423 aio_rename "$runtime~", $runtime
3424 and return;
3425
3426 warn "runtime file written.\n";
3427
2321 } 3428 1
3429}
3430
3431our $uuid_lock;
3432our $uuid_skip;
3433
3434sub write_uuid_sync($) {
3435 $uuid_skip ||= $_[0];
3436
3437 return if $uuid_lock;
3438 local $uuid_lock = 1;
3439
3440 my $uuid = "$LOCALDIR/uuid";
3441
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return;
3444
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3446 $uuid_skip = 0;
3447
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return;
3450
3451 # always fsync - this file is important
3452 aio_fsync $fh
3453 and return;
3454
3455 close $fh
3456 or return;
3457
3458 aio_rename "$uuid~", $uuid
3459 and return;
3460
3461 warn "uuid file written ($value).\n";
3462
3463 1
3464
3465}
3466
3467sub write_uuid($$) {
3468 my ($skip, $sync) = @_;
3469
3470 $sync ? write_uuid_sync $skip
3471 : async { write_uuid_sync $skip };
2322} 3472}
2323 3473
2324sub emergency_save() { 3474sub emergency_save() {
2325 my $freeze_guard = cf::freeze_mainloop; 3475 my $freeze_guard = cf::freeze_mainloop;
2326 3476
2332 # and maps saved/destroyed asynchronously. 3482 # and maps saved/destroyed asynchronously.
2333 warn "begin emergency player save\n"; 3483 warn "begin emergency player save\n";
2334 for my $login (keys %cf::PLAYER) { 3484 for my $login (keys %cf::PLAYER) {
2335 my $pl = $cf::PLAYER{$login} or next; 3485 my $pl = $cf::PLAYER{$login} or next;
2336 $pl->valid or next; 3486 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337 $pl->save; 3488 $pl->save;
2338 } 3489 }
2339 warn "end emergency player save\n"; 3490 warn "end emergency player save\n";
2340 3491
2341 warn "begin emergency map save\n"; 3492 warn "begin emergency map save\n";
2347 warn "end emergency map save\n"; 3498 warn "end emergency map save\n";
2348 3499
2349 warn "begin emergency database checkpoint\n"; 3500 warn "begin emergency database checkpoint\n";
2350 BDB::db_env_txn_checkpoint $DB_ENV; 3501 BDB::db_env_txn_checkpoint $DB_ENV;
2351 warn "end emergency database checkpoint\n"; 3502 warn "end emergency database checkpoint\n";
3503
3504 warn "begin write uuid\n";
3505 write_uuid_sync 1;
3506 warn "end write uuid\n";
2352 }; 3507 };
2353 3508
2354 warn "leave emergency perl save\n"; 3509 warn "leave emergency perl save\n";
2355} 3510}
2356 3511
2359 3514
2360 warn Carp::longmess "post_cleanup backtrace" 3515 warn Carp::longmess "post_cleanup backtrace"
2361 if $make_core; 3516 if $make_core;
2362} 3517}
2363 3518
3519# a safer delete_package, copied from Symbol
3520sub clear_package($) {
3521 my $pkg = shift;
3522
3523 # expand to full symbol table name if needed
3524 unless ($pkg =~ /^main::.*::$/) {
3525 $pkg = "main$pkg" if $pkg =~ /^::/;
3526 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3527 $pkg .= '::' unless $pkg =~ /::$/;
3528 }
3529
3530 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3531 my $stem_symtab = *{$stem}{HASH};
3532
3533 defined $stem_symtab and exists $stem_symtab->{$leaf}
3534 or return;
3535
3536 # clear all symbols
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 }
3542 warn "cleared package #$pkg\n";#d#
3543}
3544
3545our $RELOAD; # how many times to reload
3546
2364sub reload() { 3547sub do_reload_perl() {
2365 # can/must only be called in main 3548 # can/must only be called in main
2366 if ($Coro::current != $Coro::main) { 3549 if ($Coro::current != $Coro::main) {
2367 warn "can only reload from main coroutine"; 3550 warn "can only reload from main coroutine";
2368 return; 3551 return;
2369 } 3552 }
2370 3553
3554 return if $RELOAD++;
3555
3556 while ($RELOAD) {
2371 warn "reloading..."; 3557 warn "reloading...";
2372 3558
2373 warn "entering sync_job"; 3559 warn "entering sync_job";
2374 3560
2375 cf::sync_job { 3561 cf::sync_job {
2376 cf::write_runtime; # external watchdog should not bark 3562 cf::write_runtime_sync; # external watchdog should not bark
2377 cf::emergency_save; 3563 cf::emergency_save;
2378 cf::write_runtime; # external watchdog should not bark 3564 cf::write_runtime_sync; # external watchdog should not bark
2379 3565
2380 warn "syncing database to disk"; 3566 warn "syncing database to disk";
2381 BDB::db_env_txn_checkpoint $DB_ENV; 3567 BDB::db_env_txn_checkpoint $DB_ENV;
2382 3568
2383 # if anything goes wrong in here, we should simply crash as we already saved 3569 # if anything goes wrong in here, we should simply crash as we already saved
2384 3570
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "flushing outstanding aio requests"; 3571 warn "flushing outstanding aio requests";
2391 for (;;) {
2392 BDB::flush;
2393 IO::AIO::flush;
2394 Coro::cede;
2395 last unless IO::AIO::nreqs || BDB::nreqs; 3572 while (IO::AIO::nreqs || BDB::nreqs) {
2396 warn "iterate..."; 3573 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2397 }
2398
2399 warn "cancelling all extension coros";
2400 $_->cancel for values %EXT_CORO;
2401 %EXT_CORO = ();
2402
2403 warn "removing commands";
2404 %COMMAND = ();
2405
2406 warn "removing ext commands";
2407 %EXTCMD = ();
2408
2409 warn "unloading/nuking all extensions";
2410 for my $pkg (@EXTS) {
2411 warn "... unloading $pkg";
2412
2413 if (my $cb = $pkg->can ("unload")) {
2414 eval {
2415 $cb->($pkg);
2416 1
2417 } or warn "$pkg unloaded, but with errors: $@";
2418 } 3574 }
2419 3575
2420 warn "... nuking $pkg"; 3576 warn "cancelling all extension coros";
2421 Symbol::delete_package $pkg; 3577 $_->cancel for values %EXT_CORO;
2422 } 3578 %EXT_CORO = ();
2423 3579
2424 warn "unloading all perl modules loaded from $LIBDIR"; 3580 warn "removing commands";
2425 while (my ($k, $v) = each %INC) { 3581 %COMMAND = ();
2426 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427 3582
3583 warn "removing ext/exti commands";
3584 %EXTCMD = ();
3585 %EXTICMD = ();
3586
3587 warn "unloading/nuking all extensions";
3588 for my $pkg (@EXTS) {
2428 warn "... unloading $k"; 3589 warn "... unloading $pkg";
2429 delete $INC{$k};
2430 3590
2431 $k =~ s/\.pm$//;
2432 $k =~ s/\//::/g;
2433
2434 if (my $cb = $k->can ("unload_module")) { 3591 if (my $cb = $pkg->can ("unload")) {
3592 eval {
2435 $cb->(); 3593 $cb->($pkg);
3594 1
3595 } or warn "$pkg unloaded, but with errors: $@";
3596 }
3597
3598 warn "... clearing $pkg";
3599 clear_package $pkg;
2436 } 3600 }
2437 3601
2438 Symbol::delete_package $k; 3602 warn "unloading all perl modules loaded from $LIBDIR";
3603 while (my ($k, $v) = each %INC) {
3604 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605
3606 warn "... unloading $k";
3607 delete $INC{$k};
3608
3609 $k =~ s/\.pm$//;
3610 $k =~ s/\//::/g;
3611
3612 if (my $cb = $k->can ("unload_module")) {
3613 $cb->();
3614 }
3615
3616 clear_package $k;
2439 } 3617 }
2440 3618
2441 warn "getting rid of safe::, as good as possible"; 3619 warn "getting rid of safe::, as good as possible";
2442 Symbol::delete_package "safe::$_" 3620 clear_package "safe::$_"
2443 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444 3622
2445 warn "unloading cf.pm \"a bit\""; 3623 warn "unloading cf.pm \"a bit\"";
2446 delete $INC{"cf.pm"}; 3624 delete $INC{"cf.pm"};
3625 delete $INC{"cf/pod.pm"};
2447 3626
2448 # don't, removes xs symbols, too, 3627 # don't, removes xs symbols, too,
2449 # and global variables created in xs 3628 # and global variables created in xs
2450 #Symbol::delete_package __PACKAGE__; 3629 #clear_package __PACKAGE__;
2451 3630
2452 warn "unload completed, starting to reload now"; 3631 warn "unload completed, starting to reload now";
2453 3632
2454 warn "reloading cf.pm"; 3633 warn "reloading cf.pm";
2455 require cf; 3634 require cf;
2456 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2457 3636
2458 warn "loading config and database again"; 3637 warn "loading config and database again";
2459 cf::cfg_load; 3638 cf::reload_config;
2460 3639
2461 warn "loading extensions"; 3640 warn "loading extensions";
2462 cf::load_extensions; 3641 cf::load_extensions;
2463 3642
2464 warn "reattaching attachments to objects/players"; 3643 warn "reattaching attachments to objects/players";
2465 _global_reattach; 3644 _global_reattach; # objects, sockets
2466 warn "reattaching attachments to maps"; 3645 warn "reattaching attachments to maps";
2467 reattach $_ for values %MAP; 3646 reattach $_ for values %MAP;
3647 warn "reattaching attachments to players";
3648 reattach $_ for values %PLAYER;
2468 3649
2469 warn "loading reloadable resources";
2470 load_resources;
2471
2472 warn "leaving sync_job"; 3650 warn "leaving sync_job";
2473 3651
2474 1 3652 1
2475 } or do { 3653 } or do {
2476 warn $@; 3654 warn $@;
2477 warn "error while reloading, exiting."; 3655 cf::cleanup "error while reloading, exiting.";
2478 exit 1; 3656 };
3657
3658 warn "reloaded";
3659 --$RELOAD;
3660 }
3661};
3662
3663our $RELOAD_WATCHER; # used only during reload
3664
3665sub reload_perl() {
3666 # doing reload synchronously and two reloads happen back-to-back,
3667 # coro crashes during coro_state_free->destroy here.
3668
3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3670 do_reload_perl;
3671 undef $RELOAD_WATCHER;
2479 }; 3672 };
2480 3673}
2481 warn "reloaded";
2482};
2483
2484our $RELOAD_WATCHER; # used only during reload
2485 3674
2486register_command "reload" => sub { 3675register_command "reload" => sub {
2487 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
2488 3677
2489 if ($who->flag (FLAG_WIZ)) { 3678 if ($who->flag (FLAG_WIZ)) {
2490 $who->message ("reloading server."); 3679 $who->message ("reloading server.");
2491 3680 async {
2492 # doing reload synchronously and two reloads happen back-to-back, 3681 $Coro::current->{desc} = "perl_reload";
2493 # coro crashes during coro_state_free->destroy here.
2494
2495 $RELOAD_WATCHER ||= Event->timer (
2496 reentrant => 0,
2497 after => 0,
2498 data => WF_AUTOCANCEL,
2499 cb => sub {
2500 reload; 3682 reload_perl;
2501 undef $RELOAD_WATCHER;
2502 },
2503 ); 3683 };
2504 } 3684 }
2505}; 3685};
2506 3686
2507unshift @INC, $LIBDIR; 3687unshift @INC, $LIBDIR;
2508 3688
2509my $bug_warning = 0; 3689my $bug_warning = 0;
2510 3690
2511$TICK_WATCHER = Event->timer ( 3691our @WAIT_FOR_TICK;
2512 reentrant => 0, 3692our @WAIT_FOR_TICK_BEGIN;
2513 parked => 1, 3693
2514 prio => 0, 3694sub wait_for_tick {
2515 at => $NEXT_TICK || $TICK, 3695 return if tick_inhibit || $Coro::current == $Coro::main;
2516 data => WF_AUTOCANCEL, 3696
2517 cb => sub { 3697 my $signal = new Coro::Signal;
3698 push @WAIT_FOR_TICK, $signal;
3699 $signal->wait;
3700}
3701
3702sub wait_for_tick_begin {
3703 return if tick_inhibit || $Coro::current == $Coro::main;
3704
3705 my $signal = new Coro::Signal;
3706 push @WAIT_FOR_TICK_BEGIN, $signal;
3707 $signal->wait;
3708}
3709
3710sub tick {
2518 if ($Coro::current != $Coro::main) { 3711 if ($Coro::current != $Coro::main) {
2519 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3712 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520 unless ++$bug_warning > 10; 3713 unless ++$bug_warning > 10;
2521 return; 3714 return;
2522 } 3715 }
2523 3716
2524 $NOW = Event::time;
2525
2526 cf::server_tick; # one server iteration 3717 cf::server_tick; # one server iteration
2527 $RUNTIME += $TICK;
2528 $NEXT_TICK += $TICK;
2529 3718
2530 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3719 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531 $NEXT_RUNTIME_WRITE = $NOW + 10; 3720 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532 Coro::async_pool { 3721 Coro::async_pool {
3722 $Coro::current->{desc} = "runtime saver";
2533 write_runtime 3723 write_runtime_sync
2534 or warn "ERROR: unable to write runtime file: $!"; 3724 or warn "ERROR: unable to write runtime file: $!";
2535 };
2536 } 3725 };
2537
2538
2539 $WAIT_FOR_TICK->broadcast;
2540 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542# my $AFTER = Event::time;
2543# warn $AFTER - $NOW;#d#
2544
2545 # if we are delayed by four ticks or more, skip them all
2546 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2547
2548 $TICK_WATCHER->at ($NEXT_TICK);
2549 $TICK_WATCHER->start;
2550 }, 3726 }
2551); 3727
3728 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3729 $sig->send;
3730 }
3731 while (my $sig = shift @WAIT_FOR_TICK) {
3732 $sig->send;
3733 }
3734
3735 $LOAD = ($NOW - $TICK_START) / $TICK;
3736 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3737
3738 if (0) {
3739 if ($NEXT_TICK) {
3740 my $jitter = $TICK_START - $NEXT_TICK;
3741 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742 warn "jitter $JITTER\n";#d#
3743 }
3744 }
3745}
2552 3746
2553{ 3747{
2554 BDB::max_poll_time $TICK * 0.1; 3748 # configure BDB
2555 $BDB_POLL_WATCHER = Event->io ( 3749
2556 reentrant => 0,
2557 fd => BDB::poll_fileno,
2558 poll => 'r',
2559 prio => 0,
2560 data => WF_AUTOCANCEL,
2561 cb => \&BDB::poll_cb,
2562 );
2563 BDB::min_parallel 8; 3750 BDB::min_parallel 8;
2564 3751 BDB::max_poll_reqs $TICK * 0.1;
2565 BDB::set_sync_prepare { 3752 $AnyEvent::BDB::WATCHER->priority (1);
2566 my $status;
2567 my $current = $Coro::current;
2568 (
2569 sub {
2570 $status = $!;
2571 $current->ready; undef $current;
2572 },
2573 sub {
2574 Coro::schedule while defined $current;
2575 $! = $status;
2576 },
2577 )
2578 };
2579 3753
2580 unless ($DB_ENV) { 3754 unless ($DB_ENV) {
2581 $DB_ENV = BDB::db_env_create; 3755 $DB_ENV = BDB::db_env_create;
3756 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3758 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3759 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3760 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582 3761
2583 cf::sync_job { 3762 cf::sync_job {
2584 eval { 3763 eval {
2585 BDB::db_env_open 3764 BDB::db_env_open
2586 $DB_ENV, 3765 $DB_ENV,
2587 $BDB_ENV_DIR, 3766 $BDBDIR,
2588 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3767 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3768 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590 0666; 3769 0666;
2591 3770
2592 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3771 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595 $DB_ENV->set_lk_detect;
2596 }; 3772 };
2597 3773
2598 cf::cleanup "db_env_open(db): $@" if $@; 3774 cf::cleanup "db_env_open(db): $@" if $@;
2599 }; 3775 };
2600 } 3776 }
3777
3778 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3779 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3780 };
3781 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3782 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783 };
3784 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786 };
2601} 3787}
2602 3788
2603{ 3789{
3790 # configure IO::AIO
3791
2604 IO::AIO::min_parallel 8; 3792 IO::AIO::min_parallel 8;
2605
2606 undef $Coro::AIO::WATCHER;
2607 IO::AIO::max_poll_time $TICK * 0.1; 3793 IO::AIO::max_poll_time $TICK * 0.1;
2608 $AIO_POLL_WATCHER = Event->io ( 3794 undef $AnyEvent::AIO::WATCHER;
2609 reentrant => 0,
2610 data => WF_AUTOCANCEL,
2611 fd => IO::AIO::poll_fileno,
2612 poll => 'r',
2613 prio => 6,
2614 cb => \&IO::AIO::poll_cb,
2615 );
2616} 3795}
3796
3797my $_log_backtrace;
3798
3799sub _log_backtrace {
3800 my ($msg, @addr) = @_;
3801
3802 $msg =~ s/\n//;
3803
3804 # limit the # of concurrent backtraces
3805 if ($_log_backtrace < 2) {
3806 ++$_log_backtrace;
3807 async {
3808 $Coro::current->{desc} = "abt $msg";
3809
3810 my @bt = fork_call {
3811 @addr = map { sprintf "%x", $_ } @addr;
3812 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3813 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3814 or die "addr2line: $!";
3815
3816 my @funcs;
3817 my @res = <$fh>;
3818 chomp for @res;
3819 while (@res) {
3820 my ($func, $line) = splice @res, 0, 2, ();
3821 push @funcs, "[$func] $line";
3822 }
3823
3824 @funcs
3825 };
3826
3827 LOG llevInfo, "[ABT] $msg\n";
3828 LOG llevInfo, "[ABT] $_\n" for @bt;
3829 --$_log_backtrace;
3830 };
3831 } else {
3832 LOG llevInfo, "[ABT] $msg\n";
3833 LOG llevInfo, "[ABT] [suppressed]\n";
3834 }
3835}
3836
3837# load additional modules
3838use cf::pod;
2617 3839
2618END { cf::emergency_save } 3840END { cf::emergency_save }
2619 3841
26201 38421
2621 3843

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