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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::AnyEvent;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
18use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
46use Coro::Storable;
47use Coro::Util ();
19 48
49use JSON::XS 2.01 ();
20use BDB (); 50use BDB ();
21use Data::Dumper; 51use Data::Dumper;
22use Digest::MD5; 52use Digest::MD5;
23use Fcntl; 53use Fcntl;
54use YAML ();
24use IO::AIO 2.32 (); 55use IO::AIO ();
25use YAML::Syck ();
26use Time::HiRes; 56use Time::HiRes;
27use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
28 59
60AnyEvent::detect;
61
62IO::AIO::max_poll_reqs 1;#d#
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 $pkg (qw(
166 cf::global cf::attachable 246 cf::global cf::attachable
171)) { 251)) {
172 no strict 'refs'; 252 no strict 'refs';
173 @{"safe::$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 ($obj) = @_;
708 1092
729cf::attachable->attach ( 1113cf::attachable->attach (
730 prio => -1000000, 1114 prio => -1000000,
731 on_instantiate => sub { 1115 on_instantiate => sub {
732 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
733 1117
734 $data = from_json $data; 1118 $data = decode_json $data;
735 1119
736 for (@$data) { 1120 for (@$data) {
737 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
738 1122
739 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
755sub object_freezer_save { 1139sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
757 1141
758 sync_job { 1142 sync_job {
759 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
762 1147
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1151 aio_fsync $fh if $cf::USE_FSYNC;
767 close $fh; 1152 aio_close $fh;
768 1153
769 if (@$objs) { 1154 if (@$objs) {
770 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
772 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
774 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
775 close $fh; 1160 aio_close $fh;
776 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
777 } 1162 }
778 } else { 1163 } else {
779 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
780 } 1165 }
785 } 1170 }
786 } else { 1171 } else {
787 aio_unlink $filename; 1172 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
789 } 1174 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1175 };
797} 1176}
798 1177
799sub object_freezer_as_string { 1178sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
801 1180
806 1185
807sub object_thawer_load { 1186sub object_thawer_load {
808 my ($filename) = @_; 1187 my ($filename) = @_;
809 1188
810 my ($data, $av); 1189 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1190
815 (aio_load $filename, $data) >= 0 1191 (aio_load $filename, $data) >= 0
816 or return; 1192 or return;
817 1193
818 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
820 or return; 1196 or return;
1197
821 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
822 } 1200 }
823 1201
1202 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
826 return ($data, $av); 1206 ($data, $av)
827} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
828 1214
829############################################################################# 1215#############################################################################
830# command handling &c 1216# command handling &c
831 1217
832=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1232}
847 1233
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1235
850Register a callbackf ro execution when the client sends an extcmd packet. 1236Register a callback for execution when the client sends an (synchronous)
1237extcmd packet. Ext commands will be processed in the order they are
1238received by the server, like other user commands. The first argument is
1239the logged-in player. Ext commands can only be processed after a player
1240has logged in successfully.
851 1241
852If the callback returns something, it is sent back as if reply was being 1242If the callback returns something, it is sent back as if reply was being
853called. 1243called.
854 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
855=cut 1256=cut
856 1257
857sub register_extcmd { 1258sub register_extcmd {
858 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
859 1260
860 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
861} 1268}
862 1269
863cf::player->attach ( 1270cf::player->attach (
864 on_command => sub { 1271 on_command => sub {
865 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
874 cf::override; 1281 cf::override;
875 }, 1282 },
876 on_extcmd => sub { 1283 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
878 1285
879 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1287
881 if (ref $msg) { 1288 if (ref $msg) {
1289 my ($type, $reply, @payload) =
1290 "ARRAY" eq ref $msg
1291 ? @$msg
1292 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293
1294 my @reply;
1295
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
887 } else { 1303 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1305 }
890 1306
891 cf::override; 1307 cf::override;
892 }, 1308 },
893); 1309);
894 1310
895sub load_extension {
896 my ($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 { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
930 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1316 next unless -r $path;
932 eval { 1317
933 load_extension $ext; 1318 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1319 my $base = $1;
1320 my $pkg = $1;
1321 $pkg =~ s/[^[:word:]]/_/g;
1322 $pkg = "ext::$pkg";
1323
1324 open my $fh, "<:utf8", $path
1325 or die "$path: $!";
1326
1327 my $source = do { local $/; <$fh> };
1328
1329 my %ext = (
1330 path => $path,
1331 base => $base,
1332 pkg => $pkg,
1333 );
1334
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337
1338 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n"
1341 . $source
1342 . "\n};\n1";
1343
1344 $todo{$base} = \%ext;
1345 }
1346
1347 my %done;
1348 while (%todo) {
1349 my $progress;
1350
1351 while (my ($k, $v) = each %todo) {
1352 for (split /,\s*/, $v->{meta}{depends}) {
1353 goto skip
1354 unless exists $done{$_};
1355 }
1356
1357 warn "... loading '$k' into '$v->{pkg}'\n";
1358
1359 unless (eval $v->{source}) {
1360 my $msg = $@ ? "$v->{path}: $@\n"
1361 : "$v->{base}: extension inactive.\n";
1362
1363 if (exists $v->{meta}{mandatory}) {
1364 warn $msg;
1365 cf::cleanup "mandatory extension failed to load, exiting.";
1366 }
1367
1368 warn $msg;
1369 }
1370
1371 $done{$k} = delete $todo{$k};
1372 push @EXTS, $v->{pkg};
1373 $progress = 1;
934 1 1374 }
935 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
936 } 1380 };
937} 1381}
938 1382
939############################################################################# 1383#############################################################################
940 1384
1385=back
1386
941=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
942 1388
943Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
944 1390
945=cut 1391=cut
950 1396
951=head3 cf::player 1397=head3 cf::player
952 1398
953=over 4 1399=over 4
954 1400
1401=item cf::player::num_playing
1402
1403Returns the official number of playing players, as per the Crossfire metaserver rules.
1404
1405=cut
1406
1407sub num_playing {
1408 scalar grep
1409 $_->ob->map
1410 && !$_->hidden
1411 && !$_->ob->flag (cf::FLAG_WIZ),
1412 cf::player::list
1413}
1414
955=item cf::player::find $login 1415=item cf::player::find $login
956 1416
957Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
958 1418
959=cut 1419=cut
960 1420
961sub playerdir($) { 1421sub playerdir($) {
962 cf::localdir 1422 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1423 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1424}
968 1425
969sub path($) { 1426sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1427 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1428
972 (playerdir $login) . "/$login.pl" 1429 (playerdir $login) . "/playerdata"
973} 1430}
974 1431
975sub find_active($) { 1432sub find_active($) {
976 $cf::PLAYER{$_[0]} 1433 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1434 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1447 my $login = $_[0];
991 1448
992 my $guard = cf::lock_acquire "user_find:$login"; 1449 my $guard = cf::lock_acquire "user_find:$login";
993 1450
994 $cf::PLAYER{$_[0]} || do { 1451 $cf::PLAYER{$_[0]} || do {
995 my $pl = load_pl path $login 1452 # rename old playerfiles to new ones
1453 #TODO: remove when no longer required
1454 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1455 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1456 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1457 aio_unlink +(playerdir $login) . "/$login.pl";
1458
1459 my $f = new_from_file cf::object::thawer path $login
996 or return; 1460 or return;
1461
1462 my $pl = cf::player::load_pl $f
1463 or return;
1464
1465 local $cf::PLAYER_LOADING{$login} = $pl;
1466 $f->resolve_delayed_derefs;
997 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
998 } 1468 }
999 } 1469 }
1000} 1470}
1001 1471
1010 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
1011 1481
1012 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
1014 1484
1485 cf::get_slot 0.01;
1486
1015 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
1016 Coro::cede; 1488 cf::cede_to_tick;
1017} 1489}
1018 1490
1019sub new($) { 1491sub new($) {
1020 my ($login) = @_; 1492 my ($login) = @_;
1021 1493
1027 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1028 1500
1029 $self 1501 $self
1030} 1502}
1031 1503
1504=item $player->send_msg ($channel, $msg, $color, [extra...])
1505
1506=cut
1507
1508sub send_msg {
1509 my $ns = shift->ns
1510 or return;
1511 $ns->send_msg (@_);
1512}
1513
1032=item $pl->quit_character 1514=item $pl->quit_character
1033 1515
1034Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1036 1518
1037=cut 1519=cut
1038 1520
1039sub quit_character { 1521sub quit_character {
1040 my ($pl) = @_; 1522 my ($pl) = @_;
1041 1523
1524 my $name = $pl->ob->name;
1525
1042 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1043 $pl->password ("*"); # this should lock out the player until we nuked the dir 1527 $pl->password ("*"); # this should lock out the player until we nuked the dir
1044 1528
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1047 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1048 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1049 1535
1050 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1538 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1539 delete $cf::PLAYER{$pl->ob->name};
1054 $pl->destroy; 1540 $pl->destroy;
1541
1542 my $prefix = qr<^~\Q$name\E/>;
1543
1544 # nuke player maps
1545 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1546
1055 IO::AIO::aio_rmtree $temp; 1547 IO::AIO::aio_rmtree $temp;
1548}
1549
1550=item $pl->kick
1551
1552Kicks a player out of the game. This destroys the connection.
1553
1554=cut
1555
1556sub kick {
1557 my ($pl, $kicker) = @_;
1558
1559 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1560 $pl->killer ("kicked");
1561 $pl->ns->destroy;
1056} 1562}
1057 1563
1058=item cf::player::list_logins 1564=item cf::player::list_logins
1059 1565
1060Returns am arrayref of all valid playernames in the system, can take a 1566Returns am arrayref of all valid playernames in the system, can take a
1061while and may block, so not sync_job-capable, ever. 1567while and may block, so not sync_job-capable, ever.
1062 1568
1063=cut 1569=cut
1064 1570
1065sub list_logins { 1571sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1572 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1573 or return [];
1068 1574
1069 my @logins; 1575 my @logins;
1070 1576
1071 for my $login (@$dirs) { 1577 for my $login (@$dirs) {
1578 my $path = path $login;
1579
1580 # a .pst is a dead give-away for a valid player
1581 # if no pst file found, open and chekc for blocked users
1582 if (aio_stat "$path.pst") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1075 1587
1076 utf8::decode $login; 1588 utf8::decode $login;
1077 push @logins, $login; 1589 push @logins, $login;
1078 } 1590 }
1079 1591
1106 } 1618 }
1107 1619
1108 \@paths 1620 \@paths
1109} 1621}
1110 1622
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1624
1625Expand crossfire pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1112 1717
1113Sends an ext reply to the player. 1718Sends an ext reply to the player.
1114 1719
1115=cut 1720=cut
1116 1721
1117sub ext_reply($$$%) { 1722sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1119 1724
1120 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1726}
1124 1727
1125package cf; 1728=item $player->ext_msg ($type, @msg)
1729
1730Sends an ext event to the client.
1731
1732=cut
1733
1734sub ext_msg($$@) {
1735 my ($self, $type, @msg) = @_;
1736
1737 $self->ns->ext_msg ($type, @msg);
1738}
1739
1740=head3 cf::region
1741
1742=over 4
1743
1744=cut
1745
1746package cf::region;
1747
1748=item cf::region::find_by_path $path
1749
1750Tries to decuce the likely region for a map knowing only its path.
1751
1752=cut
1753
1754sub find_by_path($) {
1755 my ($path) = @_;
1756
1757 my ($match, $specificity);
1758
1759 for my $region (list) {
1760 if ($region->{match} && $path =~ $region->{match}) {
1761 ($match, $specificity) = ($region, $region->specificity)
1762 if $region->specificity > $specificity;
1763 }
1764 }
1765
1766 $match
1767}
1126 1768
1127=back 1769=back
1128
1129 1770
1130=head3 cf::map 1771=head3 cf::map
1131 1772
1132=over 4 1773=over 4
1133 1774
1145our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1146our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1147 1788
1148sub generate_random_map { 1789sub generate_random_map {
1149 my ($self, $rmp) = @_; 1790 my ($self, $rmp) = @_;
1791
1792 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793
1150 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1151 $self->_create_random_map ( 1795 $self->_create_random_map (
1152 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1188 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1189 1833
1190 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1191 local $self->{path}; 1835 local $self->{path};
1192 local $self->{load_path}; 1836 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1837
1196 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1197} 1839}
1198 1840
1199sub normalise { 1841sub normalise {
1246 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1247 return $self; 1889 return $self;
1248 } 1890 }
1249 } 1891 }
1250 1892
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1894 ()
1253} 1895}
1254 1896
1255sub init { 1897sub init {
1256 my ($self) = @_; 1898 my ($self) = @_;
1271 1913
1272# the original (read-only) location 1914# the original (read-only) location
1273sub load_path { 1915sub load_path {
1274 my ($self) = @_; 1916 my ($self) = @_;
1275 1917
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1918 "$MAPDIR/$self->{path}.map"
1277} 1919}
1278 1920
1279# the temporary/swap location 1921# the temporary/swap location
1280sub save_path { 1922sub save_path {
1281 my ($self) = @_; 1923 my ($self) = @_;
1282 1924
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1926 "$TMPDIR/$path.map"
1285} 1927}
1286 1928
1287# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1288sub uniq_path { 1930sub uniq_path {
1289 my ($self) = @_; 1931 my ($self) = @_;
1290 1932
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1934 "$UNIQUEDIR/$path"
1293} 1935}
1294 1936
1295# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1296# all maps in C++... 1938# all maps in C++...
1297sub change_all_map_light { 1939sub change_all_map_light {
1299 1941
1300 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1302} 1944}
1303 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1304sub unlink_save { 1954sub unlink_save {
1305 my ($self) = @_; 1955 my ($self) = @_;
1306 1956
1307 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1959 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} 1960}
1316 1961
1317sub load_header_from($) { 1962sub load_header_from($) {
1318 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1319 1964
1320 utf8::encode $path; 1965 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 or return; 1967 or return;
1968
1969 $self->_load_header ($f)
1970 or return;
1971
1972 local $MAP_LOADING{$self->{path}} = $self;
1973 $f->resolve_delayed_derefs;
1326 1974
1327 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1328 1976
1329 1 1977 1
1330} 1978}
1369 $self->load_header_orig 2017 $self->load_header_orig
1370 or return; 2018 or return;
1371 $self->prepare_orig; 2019 $self->prepare_orig;
1372 } 2020 }
1373 2021
2022 $self->{deny_reset} = 1
2023 if $self->no_reset;
2024
2025 $self->default_region (cf::region::find_by_path $self->{path})
2026 unless $self->default_region;
2027
1374 1 2028 1
1375} 2029}
1376 2030
1377sub find; 2031sub find;
1378sub find { 2032sub find {
1379 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1380 2034
1381 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1382 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1384 2039
1385 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1386 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1387 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1388 or return; 2045 or return;
1389 2046
1390 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1391 2048
1392 $map->load_header 2049 $map->load_header
1393 or return; 2050 or return;
1394 2051
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1398 $map->reset; 2057 $map->reset;
1399 undef $guard;
1400 return find $path; 2058 return find $path;
1401 } 2059 }
1402 2060
1403 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1404 } 2062 }
1411 my ($self) = @_; 2069 my ($self) = @_;
1412 2070
1413 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1414 2072
1415 my $path = $self->{path}; 2073 my $path = $self->{path};
2074
2075 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1417 2077
2078 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 2080
1420 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1421 2082
1422 $self->alloc; 2083 $self->alloc;
1423 2084
1424 $self->pre_load; 2085 $self->pre_load;
2086 cf::cede_to_tick;
1425 2087
1426 $self->_load_objects ($self->{load_path}, 1) 2088 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block;
2090 $self->_load_objects ($f)
1427 or return; 2091 or return;
1428 2092
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1431 2095
1432 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 2097 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 2100 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1437 } 2104 }
1438 } 2105 }
1439 2106
1440 Coro::cede; 2107 $f->resolve_delayed_derefs;
1441 2108
2109 cf::cede_to_tick;
1442 # now do the right thing for maps 2110 # now do the right thing for maps
1443 $self->link_multipart_objects; 2111 $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) 2112 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 2113 unless $self->difficulty;
1453 Coro::cede; 2114 cf::cede_to_tick;
2115
2116 unless ($self->{deny_activate}) {
2117 $self->decay_objects;
2118 $self->fix_auto_apply;
2119 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick;
1454 $self->activate; 2123 $self->activate;
2124 }
2125
2126 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME);
2128
2129 $self->in_memory (cf::MAP_ACTIVE);
1455 } 2130 }
1456 2131
1457 $self->post_load; 2132 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 2133}
1461 2134
1462sub customise_for { 2135sub customise_for {
1463 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1464 2137
1465 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 2139 if $self->per_player;
1467 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1468 $self 2144 $self
1469} 2145}
1470 2146
1471# find and load all maps in the 3x3 area around a map 2147# find and load all maps in the 3x3 area around a map
1472sub load_diag { 2148sub load_neighbours {
1473 my ($map) = @_; 2149 my ($map) = @_;
1474 2150
1475 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1476 2152
1477 for (0 .. 3) { 2153 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1479 or next; 2155 or next;
1480 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1481 or next; 2157 or next;
1482 $neigh->load; 2158 $neigh->load;
1483 2159
2160 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2163 }
1487 2164
1488 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1490 or next; 2168 or next;
1491 $neigh->load; 2169 $neigh->load;
1492 } 2170 }
1493} 2171}
1494 2172
1499} 2177}
1500 2178
1501sub do_load_sync { 2179sub do_load_sync {
1502 my ($map) = @_; 2180 my ($map) = @_;
1503 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1504 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1505} 2186}
1506 2187
1507our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1509 2190
1510sub find_async { 2191sub find_async {
1511 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1512 2193
1513 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1514 2195
1515 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517 } 2198 }
1518 2199
1519 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1520 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1521 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2207 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2208 $map->load if $v;
2209 }
1526 2210
1527 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1528 } 2212 }
1529 } 2213 }
1530 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1531 }; 2215 };
1532 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1535} 2219}
1536 2220
1537sub save { 2221sub save {
1538 my ($self) = @_; 2222 my ($self) = @_;
1539 2223
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2225
1542 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1543 2227
1544 return unless $self->dirty; 2228 return unless $self->dirty;
1545 2229
1551 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1552 2236
1553 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1554 2238
1555 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1556 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1557 }; 2242 };
2243
2244 cf::get_slot 0.02;
1558 2245
1559 if ($uniq) { 2246 if ($uniq) {
1560 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1562 } else { 2249 } else {
1568 my ($self) = @_; 2255 my ($self) = @_;
1569 2256
1570 # save first because save cedes 2257 # save first because save cedes
1571 $self->save; 2258 $self->save;
1572 2259
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2261
1575 return if $self->players; 2262 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1577 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1578 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2270 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2271}
1582 2272
1583sub reset_at { 2273sub reset_at {
1584 my ($self) = @_; 2274 my ($self) = @_;
1585 2275
1586 # TODO: safety, remove and allow resettable per-player maps 2276 # 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}; 2277 return 1e99 if $self->{deny_reset};
1589 2278
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2280 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 2281
1603 my ($self) = @_; 2292 my ($self) = @_;
1604 2293
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2295
1607 return if $self->players; 2296 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2297
1610 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
1611 2299
1612 $self->in_memory (cf::MAP_SWAPPED); 2300 $self->in_memory (cf::MAP_SWAPPED);
1613 2301
1614 # need to save uniques path 2302 # need to save uniques path
1615 unless ($self->{deny_save}) { 2303 unless ($self->{deny_save}) {
1619 if $uniq; 2307 if $uniq;
1620 } 2308 }
1621 2309
1622 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1623 2311
2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2314 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2315
1628 $self->unlink_save; 2316 $self->unlink_save;
1629 $self->destroy; 2317 $self->destroy;
1630} 2318}
1631 2319
1632my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1633 2321
1634sub nuke { 2322sub nuke {
1635 my ($self) = @_; 2323 my ($self) = @_;
1636 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1637 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1638 2329
1639 $self->unlink_save; 2330 $self->unlink_save;
1640 2331
1641 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2337
1647 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1648 2340
1649 $self->reset; # polite request, might not happen 2341 $self->reset; # polite request, might not happen
2342}
2343
2344=item $maps = cf::map::tmp_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347maps. May block.
2348
2349=cut
2350
2351sub tmp_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise $_
2357 : ()
2358 } @{ aio_readdir $TMPDIR or [] }
2359 ]
2360}
2361
2362=item $maps = cf::map::random_maps
2363
2364Returns an arrayref with all map paths of currently instantiated and saved
2365random maps. May block.
2366
2367=cut
2368
2369sub random_maps() {
2370 [
2371 map {
2372 utf8::decode $_;
2373 /\.map$/
2374 ? normalise "?random/$_"
2375 : ()
2376 } @{ aio_readdir $RANDOMDIR or [] }
2377 ]
1650} 2378}
1651 2379
1652=item cf::map::unique_maps 2380=item cf::map::unique_maps
1653 2381
1654Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2383instantiated unique items. May block.
1656 2384
1657=cut 2385=cut
1658 2386
1659sub unique_maps() { 2387sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2388 [
1661 or return; 2389 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2390 utf8::decode $_;
1667 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1668 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669 2393 ? ()
1670 push @paths, cf::map::normalise $_; 2394 : normalise $_
2395 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2396 ]
1672
1673 \@paths
1674} 2397}
1675
1676package cf;
1677 2398
1678=back 2399=back
1679 2400
1680=head3 cf::object 2401=head3 cf::object
1681 2402
1685 2406
1686=over 4 2407=over 4
1687 2408
1688=item $ob->inv_recursive 2409=item $ob->inv_recursive
1689 2410
1690Returns the inventory of the object _and_ their inventories, recursively. 2411Returns the inventory of the object I<and> their inventories, recursively,
2412but I<not> the object itself.
1691 2413
1692=cut 2414=cut
1693 2415
1694sub inv_recursive_; 2416sub inv_recursive_;
1695sub inv_recursive_ { 2417sub inv_recursive_ {
1698 2420
1699sub inv_recursive { 2421sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1701} 2423}
1702 2424
2425=item $ref = $ob->ref
2426
2427Creates and returns a persistent reference to an object that can be stored as a string.
2428
2429=item $ob = cf::object::deref ($refstring)
2430
2431returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2432even if the object actually exists. May block.
2433
2434=cut
2435
2436sub deref {
2437 my ($ref) = @_;
2438
2439 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2440 my ($uuid, $name) = ($1, $2);
2441 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2442 or return;
2443 $pl->ob->uuid eq $uuid
2444 or return;
2445
2446 $pl->ob
2447 } else {
2448 warn "$ref: cannot resolve object reference\n";
2449 undef
2450 }
2451}
2452
1703package cf; 2453package cf;
1704 2454
1705=back 2455=back
1706 2456
1707=head3 cf::object::player 2457=head3 cf::object::player
1713Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2463Sends 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 2464can be C<undef>. Does the right thing when the player is currently in a
1715dialogue with the given NPC character. 2465dialogue with the given NPC character.
1716 2466
1717=cut 2467=cut
2468
2469our $SAY_CHANNEL = {
2470 id => "say",
2471 title => "Map",
2472 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2474};
2475
2476our $CHAT_CHANNEL = {
2477 id => "chat",
2478 title => "Chat",
2479 reply => "chat ",
2480 tooltip => "Player chat and shouts, global to the server.",
2481};
1718 2482
1719# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1720# with dialog boxes. 2484# with dialog boxes.
1721#TODO: the first argument must go, split into a $npc->reply_to ( method 2485#TODO: the first argument must go, split into a $npc->reply_to ( method
1722sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1724 2488
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2490
1727 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1729 } else { 2494 } else {
2495 my $pl = $self->contr;
2496
2497 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2498 my $dialog = $pl->{npc_dialog};
2499 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2500
2501 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1732 } 2505 }
2506}
2507
2508=item $object->send_msg ($channel, $msg, $color, [extra...])
2509
2510=cut
2511
2512sub cf::object::send_msg {
2513 my $pl = shift->contr
2514 or return;
2515 $pl->send_msg (@_);
1733} 2516}
1734 2517
1735=item $player_object->may ("access") 2518=item $player_object->may ("access")
1736 2519
1737Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1784 $self->deactivate_recursive; 2567 $self->deactivate_recursive;
1785 2568
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2569 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2570
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2571 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2572 if $self->map && $self->map->{path} ne "{link}";
1790 2573
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2574 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2575}
1793 2576
1794sub cf::object::player::leave_link { 2577sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2578 my ($self, $map, $x, $y) = @_;
2579
2580 return unless $self->contr->active;
1796 2581
1797 my $link_pos = delete $self->{_link_pos}; 2582 my $link_pos = delete $self->{_link_pos};
1798 2583
1799 unless ($map) { 2584 unless ($map) {
1800 # restore original map position 2585 # restore original map position
1814 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1817 2602
1818 $map->load; 2603 $map->load;
1819 $map->load_diag; 2604 $map->load_neighbours;
1820 2605
1821 return unless $self->contr->active; 2606 return unless $self->contr->active;
1822 $self->activate_recursive; 2607 $self->activate_recursive;
1823 2608
1824 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1826} 2611}
1827 2612
1828cf::player->attach ( 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2614
1832 # abort map switching before logout 2615Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2616her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2617that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2618the new (success) or old (failed) map position. In either case, $done will
1836 }; 2619be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2620
1842 # try to abort aborted map switching on player login :)
1843 # should happen only on crashes
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 # we need this sleep as the login has a concurrent enter_exit running
1852 # and this sleep increases chances of the player not ending up in scorn
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2621=cut
2622
2623our $GOTOGEN;
1863 2624
1864sub cf::object::player::goto { 2625sub cf::object::player::goto {
1865 my ($self, $path, $x, $y) = @_; 2626 my ($self, $path, $x, $y, $check, $done) = @_;
2627
2628 # do generation counting so two concurrent goto's will be executed in-order
2629 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866 2630
1867 $self->enter_link; 2631 $self->enter_link;
1868 2632
1869 (async { 2633 (async {
2634 $Coro::current->{desc} = "player::goto $path $x $y";
2635
2636 # *tag paths override both path and x|y
2637 if ($path =~ /^\*(.*)$/) {
2638 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2639 my $ob = $obs[rand @obs];
2640
2641 # see if we actually can go there
2642 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2643 $ob = $obs[rand @obs];
2644 } else {
2645 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647 # else put us there anyways for now #d#
2648
2649 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2650 } else {
2651 ($path, $x, $y) = (undef, undef, undef);
2652 }
2653 }
2654
1870 my $map = eval { 2655 my $map = eval {
1871 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
2657
2658 if ($map) {
1872 $map = $map->customise_for ($self) if $map; 2659 $map = $map->customise_for ($self);
2660 $map = $check->($map) if $check && $map;
2661 } else {
2662 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663 }
2664
1873 $map 2665 $map
2666 };
2667
2668 if ($@) {
2669 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2670 LOG llevError | logBacktrace, Carp::longmess $@;
1874 } or 2671 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2672
2673 if ($gen == $self->{_goto_generation}) {
2674 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
2676 }
2677
2678 $done->() if $done;
1878 })->prio (1); 2679 })->prio (1);
1879} 2680}
1880 2681
1881=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1882 2683
1902} 2703}
1903 2704
1904sub prepare_random_map { 2705sub prepare_random_map {
1905 my ($exit) = @_; 2706 my ($exit) = @_;
1906 2707
1907 my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
1910 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
1911 # that depends on the exit object 2710 # that depends on the exit object
1912 2711
1913 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
1915 if ($exit->map) { 2714 if ($exit->map) {
1916 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
1917 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
1918 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
1919 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
1920 } 2721 }
1921 2722
1922 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
1923 2724
1924 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
1927 2728
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2731 undef $fh;
1931 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
1932 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
1933 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
1934 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
1935 } 2740 }
1936} 2741}
1937 2742
1938sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
1939 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
1940 2745
1941 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
1942 2747
1943 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job
1945 cf::sync_job { prepare_random_map $exit };
1946 }
1947
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp;
1951
1952 $self->enter_link; 2748 $self->enter_link;
1953 2749
1954 (async { 2750 (async {
1955 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
1956 unless (eval { 2753 unless (eval {
2754 $self->deactivate_recursive; # just to be sure
2755
2756 # random map handling
2757 {
2758 my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760 prepare_random_map $exit
2761 if $exit->slaying eq "/!";
2762 }
2763
2764 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2765 my $x = $exit->stats->hp;
2766 my $y = $exit->stats->sp;
2767
1957 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
1958 2769
2770 # if exit is damned, update players death & WoR home-position
2771 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED);
2773
1959 1; 2774 1
1960 }) { 2775 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2777 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2780
1966 warn "ERROR in enter_exit: $@"; 2781 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2782 $self->leave_link;
1968 } 2783 }
1969 })->prio (1); 2784 })->prio (1);
1982 2797
1983sub cf::client::send_drawinfo { 2798sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2799 my ($self, $text, $flags) = @_;
1985 2800
1986 utf8::encode $text; 2801 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2803}
1989 2804
2805=item $client->send_msg ($channel, $msg, $color, [extra...])
2806
2807Send a drawinfo or msg packet to the client, formatting the msg for the
2808client if neccessary. C<$type> should be a string identifying the type of
2809the message, with C<log> being the default. If C<$color> is negative, suppress
2810the message unless the client supports the msg packet.
2811
2812=cut
2813
2814# non-persistent channels (usually the info channel)
2815our %CHANNEL = (
2816 "c/identify" => {
2817 id => "infobox",
2818 title => "Identify",
2819 reply => undef,
2820 tooltip => "Items recently identified",
2821 },
2822 "c/examine" => {
2823 id => "infobox",
2824 title => "Examine",
2825 reply => undef,
2826 tooltip => "Signs and other items you examined",
2827 },
2828 "c/book" => {
2829 id => "infobox",
2830 title => "Book",
2831 reply => undef,
2832 tooltip => "The contents of a note or book",
2833 },
2834 "c/lookat" => {
2835 id => "infobox",
2836 title => "Look",
2837 reply => undef,
2838 tooltip => "What you saw there",
2839 },
2840 "c/who" => {
2841 id => "infobox",
2842 title => "Players",
2843 reply => undef,
2844 tooltip => "Shows players who are currently online",
2845 },
2846 "c/body" => {
2847 id => "infobox",
2848 title => "Body Parts",
2849 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available",
2851 },
2852 "c/uptime" => {
2853 id => "infobox",
2854 title => "Uptime",
2855 reply => undef,
2856 tooltip => "How long the server has been running since last restart",
2857 },
2858 "c/mapinfo" => {
2859 id => "infobox",
2860 title => "Map Info",
2861 reply => undef,
2862 tooltip => "Information related to the maps",
2863 },
2864 "c/party" => {
2865 id => "party",
2866 title => "Party",
2867 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party",
2869 },
2870);
2871
2872sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_;
2874
2875 $msg = $self->pl->expand_cfpod ($msg);
2876
2877 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878
2879 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel};
2882
2883 $self->ext_msg (channel_info => $channel)
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id};
2887
2888 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel)
2893 if $self->can_msg;
2894 }
2895
2896 $channel = $channel->{id};
2897 }
2898
2899 return unless @extra || length $msg;
2900
2901 if ($self->can_msg) {
2902 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF;
2905
2906 $self->send_packet ("msg " . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2908 } else {
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919
2920 $color &= cf::NDI_COLOR_MASK;
2921
2922 utf8::encode $msg;
2923
2924 if (0 && $msg =~ /\[/) {
2925 # COMMAND/INFO
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 }
2933}
2934
2935=item $client->ext_msg ($type, @msg)
2936
2937Sends an ext event to the client.
2938
2939=cut
2940
2941sub cf::client::ext_msg($$@) {
2942 my ($self, $type, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946 } elsif ($self->extcmd == 1) { # TODO: remove
2947 push @msg, msgtype => "event_$type";
2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2950}
2951
2952=item $client->ext_reply ($msgid, @msg)
2953
2954Sends an ext reply to the client.
2955
2956=cut
2957
2958sub cf::client::ext_reply($$@) {
2959 my ($self, $id, @msg) = @_;
2960
2961 if ($self->extcmd == 2) {
2962 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963 } elsif ($self->extcmd == 1) {
2964 #TODO: version 1, remove
2965 unshift @msg, msgtype => "reply", msgid => $id;
2966 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967 }
2968}
1990 2969
1991=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
1992 2971
1993Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2973the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2974C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996 2975
1997Queries can fail, so check the return code. Or don't, as queries will become 2976Queries can fail, so check the return code. Or don't, as queries will
1998reliable at some point in the future. 2977become reliable at some point in the future.
1999 2978
2000=cut 2979=cut
2001 2980
2002sub cf::client::query { 2981sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
2011 utf8::encode $text; 2990 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 2992
2014 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
2016} 2997}
2017 2998
2018cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
2019 on_reply => sub { 3005 on_reply => sub {
2020 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
2021 3007
2022 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
2023 # get handled first 3009 # get handled first
2035 } else { 3021 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 3023 }
2038 } 3024 }
2039 }, 3025 },
3026 on_exticmd => sub {
3027 my ($ns, $buf) = @_;
3028
3029 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030
3031 if (ref $msg) {
3032 my ($type, $reply, @payload) =
3033 "ARRAY" eq ref $msg
3034 ? @$msg
3035 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036
3037 my @reply;
3038
3039 if (my $cb = $EXTICMD{$type}) {
3040 @reply = $cb->($ns, @payload);
3041 }
3042
3043 $ns->ext_reply ($reply, @reply)
3044 if $reply;
3045
3046 } else {
3047 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048 }
3049
3050 cf::override;
3051 },
2040); 3052);
2041 3053
2042=item $client->async (\&cb) 3054=item $client->async (\&cb)
2043 3055
2044Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2085our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2087 3099
2088$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2089 3101
2090$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2091 3107
2092# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2093 3109
2094=pod 3110=pod
2095 3111
2096The following fucntions and emthods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2097 3113
2098 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2099 cf::object::player player 3118 cf::object::player
2100 cf::player peaceful 3119 player
2101 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2102 3126
2103=cut 3127=cut
2104 3128
2105for ( 3129for (
2106 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2107 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2109 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2110) { 3136) {
2111 no strict 'refs'; 3137 no strict 'refs';
2182=back 3208=back
2183 3209
2184=cut 3210=cut
2185 3211
2186############################################################################# 3212#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257
2258#############################################################################
2259# the server's init and main functions 3213# the server's init and main functions
2260 3214
3215sub load_facedata($) {
3216 my ($path) = @_;
3217
3218 # HACK to clear player env face cache, we need some signal framework
3219 # for this (global event?)
3220 %ext::player_env::MUSIC_FACE_CACHE = ();
3221
3222 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3223
3224 warn "loading facedata from $path\n";
3225
3226 my $facedata;
3227 0 < aio_load $path, $facedata
3228 or die "$path: $!";
3229
3230 $facedata = Coro::Storable::thaw $facedata;
3231
3232 $facedata->{version} == 2
3233 or cf::cleanup "$path: version mismatch, cannot proceed.";
3234
3235 # patch in the exptable
3236 $facedata->{resource}{"res/exp_table"} = {
3237 type => FT_RSRC,
3238 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3239 };
3240 cf::cede_to_tick;
3241
3242 {
3243 my $faces = $facedata->{faceinfo};
3244
3245 while (my ($face, $info) = each %$faces) {
3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247
3248 cf::face::set_visibility $idx, $info->{visibility};
3249 cf::face::set_magicmap $idx, $info->{magicmap};
3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3251 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3252
3253 cf::cede_to_tick;
3254 }
3255
3256 while (my ($face, $info) = each %$faces) {
3257 next unless $info->{smooth};
3258
3259 my $idx = cf::face::find $face
3260 or next;
3261
3262 if (my $smooth = cf::face::find $info->{smooth}) {
3263 cf::face::set_smooth $idx, $smooth;
3264 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3265 } else {
3266 warn "smooth face '$info->{smooth}' not found for face '$face'";
3267 }
3268
3269 cf::cede_to_tick;
3270 }
3271 }
3272
3273 {
3274 my $anims = $facedata->{animinfo};
3275
3276 while (my ($anim, $info) = each %$anims) {
3277 cf::anim::set $anim, $info->{frames}, $info->{facings};
3278 cf::cede_to_tick;
3279 }
3280
3281 cf::anim::invalidate_all; # d'oh
3282 }
3283
3284 {
3285 # TODO: for gcfclient pleasure, we should give resources
3286 # that gcfclient doesn't grok a >10000 face index.
3287 my $res = $facedata->{resource};
3288
3289 while (my ($name, $info) = each %$res) {
3290 if (defined $info->{type}) {
3291 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292 my $data;
3293
3294 if ($info->{type} & 1) {
3295 # prepend meta info
3296
3297 my $meta = $enc->encode ({
3298 name => $name,
3299 %{ $info->{meta} || {} },
3300 });
3301
3302 $data = pack "(w/a*)*", $meta, $info->{data};
3303 } else {
3304 $data = $info->{data};
3305 }
3306
3307 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308 cf::face::set_type $idx, $info->{type};
3309 } else {
3310 $RESOURCE{$name} = $info;
3311 }
3312
3313 cf::cede_to_tick;
3314 }
3315 }
3316
3317 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318
3319 1
3320}
3321
3322cf::global->attach (on_resource_update => sub {
3323 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327 my $sound = $soundconf->{compat}[$_]
3328 or next;
3329
3330 my $face = cf::face::find "sound/$sound->[1]";
3331 cf::sound::set $sound->[0] => $face;
3332 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333 }
3334
3335 while (my ($k, $v) = each %{$soundconf->{event}}) {
3336 my $face = cf::face::find "sound/$v";
3337 cf::sound::set $k => $face;
3338 }
3339 }
3340});
3341
3342register_exticmd fx_want => sub {
3343 my ($ns, $want) = @_;
3344
3345 while (my ($k, $v) = each %$want) {
3346 $ns->fx_want ($k, $v);
3347 }
3348};
3349
2261sub load_resources { 3350sub load_resource_file($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3351 my $guard = lock_acquire "load_resource_file";
3352
3353 my $status = load_resource_file_ $_[0];
3354 get_slot 0.1, 100;
3355 cf::arch::commit_load;
3356
3357 $status
3358}
3359
3360sub reload_regions {
3361 # HACK to clear player env face cache, we need some signal framework
3362 # for this (global event?)
3363 %ext::player_env::MUSIC_FACE_CACHE = ();
3364
3365 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 3366 or die "unable to load regions file\n";
2264}
2265 3367
2266sub cfg_load { 3368 for (cf::region::list) {
3369 $_->{match} = qr/$_->{match}/
3370 if exists $_->{match};
3371 }
3372}
3373
3374sub reload_facedata {
3375 load_facedata "$DATADIR/facedata"
3376 or die "unable to load facedata\n";
3377}
3378
3379sub reload_archetypes {
3380 load_resource_file "$DATADIR/archetypes"
3381 or die "unable to load archetypes\n";
3382}
3383
3384sub reload_treasures {
3385 load_resource_file "$DATADIR/treasures"
3386 or die "unable to load treasurelists\n";
3387}
3388
3389sub reload_resources {
3390 warn "reloading resource files...\n";
3391
3392 reload_facedata;
3393 reload_archetypes;
3394 reload_regions;
3395 reload_treasures;
3396
3397 warn "finished reloading resource files\n";
3398}
3399
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3408 or return;
2269 3409
2270 local $/; 3410 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2272 3412
2273 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274 3414
2275 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2282 }; 3422 };
2283 warn $@ if $@; 3423 warn $@ if $@;
2284 } 3424 }
2285} 3425}
2286 3426
2287sub init {
2288 load_resources;
2289}
2290
2291sub main { 3427sub main {
2292 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2294 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295 (async { 3431 (async {
2296 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2297 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2298 }; 3435 };
2299 3436
2300 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2301 db_init; 3440 db_init;
2302 load_extensions; 3441 load_extensions;
2303 3442
2304 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2305 Event::loop; 3446 EV::loop;
2306} 3447}
2307 3448
2308############################################################################# 3449#############################################################################
2309# initialisation and cleanup 3450# initialisation and cleanup
2310 3451
2311# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2312BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2313 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2314 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2315 reentrant => 0,
2316 data => WF_AUTOCANCEL,
2317 signal => $signal,
2318 prio => 0,
2319 cb => sub {
2320 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2321 },
2322 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2323 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2324} 3541}
2325 3542
2326sub emergency_save() { 3543sub emergency_save() {
2327 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2328 3545
2334 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2335 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2336 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2337 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2338 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339 $pl->save; 3557 $pl->save;
2340 } 3558 }
2341 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2342 3560
2343 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2349 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2350 3568
2351 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2352 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2353 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2354 }; 3576 };
2355 3577
2356 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2357} 3579}
2358 3580
2361 3583
2362 warn Carp::longmess "post_cleanup backtrace" 3584 warn Carp::longmess "post_cleanup backtrace"
2363 if $make_core; 3585 if $make_core;
2364} 3586}
2365 3587
2366sub reload() { 3588sub do_reload_perl() {
2367 # can/must only be called in main 3589 # can/must only be called in main
2368 if ($Coro::current != $Coro::main) { 3590 if ($Coro::current != $Coro::main) {
2369 warn "can only reload from main coroutine"; 3591 warn "can only reload from main coroutine";
2370 return; 3592 return;
2371 } 3593 }
2373 warn "reloading..."; 3595 warn "reloading...";
2374 3596
2375 warn "entering sync_job"; 3597 warn "entering sync_job";
2376 3598
2377 cf::sync_job { 3599 cf::sync_job {
2378 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2379 cf::emergency_save; 3601 cf::emergency_save;
2380 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2381 3603
2382 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2383 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2384 3606
2385 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2386
2387 warn "cancelling all WF_AUTOCANCEL watchers";
2388 for (Event::all_watchers) {
2389 $_->cancel if $_->data & WF_AUTOCANCEL;
2390 }
2391 3608
2392 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2393 for (;;) { 3610 for (;;) {
2394 BDB::flush; 3611 BDB::flush;
2395 IO::AIO::flush; 3612 IO::AIO::flush;
2396 Coro::cede; 3613 Coro::cede_notself;
2397 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2398 warn "iterate..."; 3615 warn "iterate...";
2399 } 3616 }
3617
3618 ++$RELOAD;
2400 3619
2401 warn "cancelling all extension coros"; 3620 warn "cancelling all extension coros";
2402 $_->cancel for values %EXT_CORO; 3621 $_->cancel for values %EXT_CORO;
2403 %EXT_CORO = (); 3622 %EXT_CORO = ();
2404 3623
2405 warn "removing commands"; 3624 warn "removing commands";
2406 %COMMAND = (); 3625 %COMMAND = ();
2407 3626
2408 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2409 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2410 3630
2411 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2412 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2413 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2414 3634
2444 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2445 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446 3666
2447 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2448 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2449 3670
2450 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2451 # and global variables created in xs 3672 # and global variables created in xs
2452 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2453 3674
2456 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2457 require cf; 3678 require cf;
2458 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459 3680
2460 warn "loading config and database again"; 3681 warn "loading config and database again";
2461 cf::cfg_load; 3682 cf::reload_config;
2462 3683
2463 warn "loading extensions"; 3684 warn "loading extensions";
2464 cf::load_extensions; 3685 cf::load_extensions;
2465 3686
2466 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2467 _global_reattach; 3688 _global_reattach; # objects, sockets
2468 warn "reattaching attachments to maps"; 3689 warn "reattaching attachments to maps";
2469 reattach $_ for values %MAP; 3690 reattach $_ for values %MAP;
2470 3691 warn "reattaching attachments to players";
2471 warn "loading reloadable resources"; 3692 reattach $_ for values %PLAYER;
2472 load_resources;
2473 3693
2474 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2475 3695
2476 1 3696 1
2477 } or do { 3697 } or do {
2478 warn $@; 3698 warn $@;
2479 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2480 exit 1;
2481 }; 3700 };
2482 3701
2483 warn "reloaded"; 3702 warn "reloaded";
2484}; 3703};
2485 3704
2486our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
2487 3706
3707sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here.
3710
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3712 do_reload_perl;
3713 undef $RELOAD_WATCHER;
3714 };
3715}
3716
2488register_command "reload" => sub { 3717register_command "reload" => sub {
2489 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2490 3719
2491 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2492 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
2493 3722 async {
2494 # doing reload synchronously and two reloads happen back-to-back, 3723 $Coro::current->{desc} = "perl_reload";
2495 # coro crashes during coro_state_free->destroy here.
2496
2497 $RELOAD_WATCHER ||= Event->timer (
2498 reentrant => 0,
2499 after => 0,
2500 data => WF_AUTOCANCEL,
2501 cb => sub {
2502 reload; 3724 reload_perl;
2503 undef $RELOAD_WATCHER;
2504 },
2505 ); 3725 };
2506 } 3726 }
2507}; 3727};
2508 3728
2509unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2510 3730
2511my $bug_warning = 0; 3731my $bug_warning = 0;
2512 3732
2513$TICK_WATCHER = Event->timer ( 3733our @WAIT_FOR_TICK;
2514 reentrant => 0, 3734our @WAIT_FOR_TICK_BEGIN;
2515 parked => 1, 3735
2516 prio => 0, 3736sub wait_for_tick {
2517 at => $NEXT_TICK || $TICK, 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2518 data => WF_AUTOCANCEL, 3738
2519 cb => sub { 3739 my $signal = new Coro::Signal;
3740 push @WAIT_FOR_TICK, $signal;
3741 $signal->wait;
3742}
3743
3744sub wait_for_tick_begin {
3745 return if tick_inhibit || $Coro::current == $Coro::main;
3746
3747 my $signal = new Coro::Signal;
3748 push @WAIT_FOR_TICK_BEGIN, $signal;
3749 $signal->wait;
3750}
3751
3752sub tick {
2520 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2521 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2523 return; 3756 return;
2524 } 3757 }
2525 3758
2526 $NOW = Event::time;
2527
2528 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2529 $RUNTIME += $TICK;
2530 $NEXT_TICK += $TICK;
2531 3760
2532 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533 $NEXT_RUNTIME_WRITE = $NOW + 10; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534 Coro::async_pool { 3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
2535 write_runtime 3765 write_runtime_sync
2536 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
2537 };
2538 } 3767 };
2539
2540
2541 $WAIT_FOR_TICK->broadcast;
2542 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544# my $AFTER = Event::time;
2545# warn $AFTER - $NOW;#d#
2546
2547 # if we are delayed by four ticks or more, skip them all
2548 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550 $TICK_WATCHER->at ($NEXT_TICK);
2551 $TICK_WATCHER->start;
2552 }, 3768 }
2553); 3769
3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771 $sig->send;
3772 }
3773 while (my $sig = shift @WAIT_FOR_TICK) {
3774 $sig->send;
3775 }
3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
2554 3788
2555{ 3789{
2556 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2557 $BDB_POLL_WATCHER = Event->io ( 3791
2558 reentrant => 0,
2559 fd => BDB::poll_fileno,
2560 poll => 'r',
2561 prio => 0,
2562 data => WF_AUTOCANCEL,
2563 cb => \&BDB::poll_cb,
2564 );
2565 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2566 3793 BDB::max_poll_reqs $TICK * 0.1;
2567 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2568 my $status;
2569 my $current = $Coro::current;
2570 (
2571 sub {
2572 $status = $!;
2573 $current->ready; undef $current;
2574 },
2575 sub {
2576 Coro::schedule while defined $current;
2577 $! = $status;
2578 },
2579 )
2580 };
2581 3795
2582 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2583 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584 3802
2585 cf::sync_job { 3803 cf::sync_job {
2586 eval { 3804 eval {
2587 BDB::db_env_open 3805 BDB::db_env_open
2588 $DB_ENV, 3806 $DB_ENV,
2589 $BDB_ENV_DIR, 3807 $BDBDIR,
2590 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592 0666; 3810 0666;
2593 3811
2594 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597 $DB_ENV->set_lk_detect;
2598 }; 3813 };
2599 3814
2600 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2601 }; 3816 };
2602 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2603} 3828}
2604 3829
2605{ 3830{
3831 # configure IO::AIO
3832
2606 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2607
2608 undef $Coro::AIO::WATCHER;
2609 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2610 $AIO_POLL_WATCHER = Event->io ( 3835 #undef $AnyEvent::AIO::WATCHER;
2611 reentrant => 0,
2612 data => WF_AUTOCANCEL,
2613 fd => IO::AIO::poll_fileno,
2614 poll => 'r',
2615 prio => 6,
2616 cb => \&IO::AIO::poll_cb,
2617 );
2618} 3836}
3837
3838my $_log_backtrace;
3839
3840sub _log_backtrace {
3841 my ($msg, @addr) = @_;
3842
3843 $msg =~ s/\n//;
3844
3845 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
3875 }
3876}
3877
3878# load additional modules
3879use cf::pod;
2619 3880
2620END { cf::emergency_save } 3881END { cf::emergency_save }
2621 3882
3883evthread_start IO::AIO::poll_fileno;
3884
26221 38851
2623 3886

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