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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 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;
9use Event; 30use EV;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
34use Storable ();
13 35
14use Coro 3.52 (); 36use Coro ();
15use Coro::State; 37use Coro::State;
38use Coro::Handle;
16use Coro::Event; 39use Coro::AnyEvent;
17use Coro::Timer; 40use Coro::Timer;
18use Coro::Signal; 41use Coro::Signal;
19use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
20use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
46use Coro::Storable;
47use Coro::Util ();
21 48
49use JSON::XS 2.01 ();
22use BDB (); 50use BDB ();
23use Data::Dumper; 51use Data::Dumper;
24use Digest::MD5; 52use Digest::MD5;
25use Fcntl; 53use Fcntl;
54use YAML ();
26use IO::AIO 2.32 (); 55use IO::AIO ();
27use YAML::Syck ();
28use Time::HiRes; 56use Time::HiRes;
29use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
30 59
60AnyEvent::detect;
61
62IO::AIO::max_poll_reqs 1;#d#
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33$Event::Eval = 1; # no idea why this is required, but it is 69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
34 71
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38$YAML::Syck::ImplicitUnicode = 1;
39
40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41 73
42our %COMMAND = (); 74our %COMMAND = ();
43our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
44 76
45our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
46our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
49 82
50our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
51our @EVENT; 84our @EVENT;
52our $LIBDIR = datadir . "/ext";
53 85
54our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
55our $TICK_WATCHER; 87our $DATADIR = datadir;
56our $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(!)
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58our $NEXT_TICK; 101our $NEXT_TICK;
59our $NOW;
60our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
61 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
62our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
63our $DB_ENV; 107our $DB_ENV;
64 108
65our %CFG; 109our %CFG;
66 110
67our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
68our $RUNTIME; 112our $RUNTIME;
113our $NOW;
69 114
70our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
71our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
72our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
73our $RANDOM_MAPS = cf::localdir . "/random";
74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78 118
79# 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 ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81 121
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 $TICK_START; # for load detecting purposes
126
82binmode STDOUT; 127binmode STDOUT;
83binmode STDERR; 128binmode STDERR;
84 129
85# read virtual server time, if available 130# read virtual server time, if available
86unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
88 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
89 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
90} 135}
91 136
92mkdir cf::localdir; 137mkdir $_
93mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94mkdir cf::localdir . "/" . cf::tmpdir;
95mkdir cf::localdir . "/" . cf::uniquedir;
96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
98 139
99our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
100 141
101sub cf::map::normalise; 142sub cf::map::normalise;
102 143
113=item $cf::RUNTIME 154=item $cf::RUNTIME
114 155
115The 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
116every server tick. 157every server tick.
117 158
118=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
119 162
120The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
121be 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.
122 167
123=item $cf::NOW 168=item $cf::NOW
124 169
125The time of the last (current) server tick. 170The time of the last (current) server tick.
126 171
127=item $cf::TICK 172=item $cf::TICK
128 173
129The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
130 175
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
131=item %cf::CFG 186=item %cf::CFG
132 187
133Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134from wherever your confdir points to. 189from wherever your confdir points to.
135 190
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
137 192
138These 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
139or 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
140processing 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.
141window 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.
142 202
143=back 203=back
144 204
145=cut 205=cut
146 206
147BEGIN { 207BEGIN {
148 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
149 my $msg = join "", @_; 209 my $msg = join "", @_;
150 utf8::encode $msg;
151 210
152 $msg .= "\n" 211 $msg .= "\n"
153 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
154 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
155 LOG llevError, $msg; 216 LOG llevError, $msg;
156 }; 217 };
157} 218}
219
220$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#?
158 234
159@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163@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';
164@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)
165 242
166# 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
167# within the Safe compartment. 244# within the Safe compartment.
168for my $pkg (qw( 245for my $pkg (qw(
169 cf::global cf::attachable 246 cf::global cf::attachable
174)) { 251)) {
175 no strict 'refs'; 252 no strict 'refs';
176 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177} 254}
178 255
179$Event::DIED = sub { 256$EV::DIED = sub {
180 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
181}; 258};
259
260#############################################################################
182 261
183=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
184 263
185=over 4 264=over 4
186 265
205 $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;
206 $d 285 $d
207 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
208} 287}
209 288
210use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
213 290
214Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
215 292
216=cut
217
218sub from_json($) {
219 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220 JSON::Syck::Load $_[0]
221}
222
223=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
224 294
225Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
226 296
227=cut 297=cut
228 298
229sub to_json($) { 299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 300
231 JSON::Syck::Dump $_[0] 301sub encode_json($) { $json_coder->encode ($_[0]) }
232} 302sub decode_json($) { $json_coder->decode ($_[0]) }
233 303
234=item cf::lock_wait $string 304=item cf::lock_wait $string
235 305
236Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
237 307
240Wait 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
241a 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,
242for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
243returned. 313returned.
244 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
245Lock 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
246uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
247 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
248=cut 325=cut
249 326
250our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
251 329
252sub lock_wait($) { 330sub lock_wait($) {
253 my ($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#
254 337
255 # wait for lock, if any 338 # wait for lock, if any
256 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
257 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
258 Coro::schedule; 341 Coro::schedule;
264 347
265 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
266 lock_wait $key; 349 lock_wait $key;
267 350
268 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
269 353
270 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
271 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
272 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
273 } 358 }
274} 359}
275 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
276sub freeze_mainloop { 367sub freeze_mainloop {
277 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
278 369
279 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
280 $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($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
281 }; 431 }
282 $TICK_WATCHER->stop; 432};
283 $guard 433
434sub get_slot($;$$) {
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 $sig->wait;
284} 446}
285 447
286=item cf::async { BLOCK } 448=item cf::async { BLOCK }
287 449
288Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
293 455
294BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
295 457
296=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
297 459
298The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
299always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
300reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
301 464
302If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
303the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
304server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
305fast or be very important. 468fast or be very important.
308 471
309sub sync_job(&) { 472sub sync_job(&) {
310 my ($job) = @_; 473 my ($job) = @_;
311 474
312 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
313 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
314 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
315 480
316 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
317 # (but this is cancel-safe) 482
318 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
319 484
320 my $busy = 1; 485 my $busy = 1;
321 my @res; 486 my @res;
322 487
323 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
324 @res = eval { $job->() }; 490 @res = eval { $job->() };
325 warn $@ if $@; 491 warn $@ if $@;
326 undef $busy; 492 undef $busy;
327 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
328 494
329 while ($busy) { 495 while ($busy) {
330 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
331 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
332 506
333 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
334 } else { 508 } else {
335 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
336 510
356 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
357 531
358 $coro 532 $coro
359} 533}
360 534
361sub write_runtime { 535=item fork_call { }, $args
362 my $guard = cf::lock_acquire "write_runtime";
363 536
364 my $runtime = cf::localdir . "/runtime"; 537Executes the given code block with the given arguments in a seperate
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.
365 541
366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542=cut
367 or return;
368 543
369 my $value = $cf::RUNTIME + 90 + 10; 544sub fork_call(&@) {
370 # 10 is the runtime save interval, for a monotonic clock 545 my ($cb, @args) = @_;
371 # 60 allows for the watchdog to kill the server.
372 546
373 (aio_write $fh, 0, (length $value), $value, 0) <= 0 547 # we seemingly have to make a local copy of the whole thing,
374 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
375 550
376 # always fsync - this file is important 551 my @res = Coro::Util::fork_eval {
377 aio_fsync $fh 552 reset_signals;
378 and return; 553 &$cb
554 }, @args;
379 555
380 close $fh 556 wantarray ? @res : $res[-1]
381 or return; 557}
382 558
383 aio_rename "$runtime~", $runtime 559=item $coin = coin_from_name $name
384 and return;
385 560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
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($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
386 1 635 }
636}
637
638sub db_put($$$) {
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 });
387} 722}
388 723
389=back 724=back
390 725
391=cut 726=cut
398attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
400 735
401In 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>
402C<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
403crossfire+). 738Deliantra).
404 739
405=over 4 740=over 4
406 741
407=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
408 743
571 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
572 907
573 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 912
578 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 914 my $pkg = shift @arg;
580 915
581 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
611 } 946 }
612 947
613 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
614 } else { 949 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 951 }
617 952
618 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
619} 954}
620 955
622 if (ref $_[0]) { 957 if (ref $_[0]) {
623 _object_attach @_; 958 _object_attach @_;
624 } else { 959 } else {
625 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
626 } 961 }
962 _recalc_want;
627}; 963};
628 964
629# all those should be optimised 965# all those should be optimised
630sub cf::attachable::detach { 966sub cf::attachable::detach {
631 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
635 reattach ($obj); 971 reattach ($obj);
636 } else { 972 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
638 } 974 }
975 _recalc_want;
639}; 976};
640 977
641sub cf::attachable::attached { 978sub cf::attachable::attached {
642 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
643 980
658 "; 995 ";
659 die if $@; 996 die if $@;
660} 997}
661 998
662our $override; 999our $override;
663our @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?
664 1001
665sub override { 1002sub override {
666 $override = 1; 1003 $override = 1;
667 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
668} 1005}
669 1006
670sub do_invoke { 1007sub do_invoke {
671 my $event = shift; 1008 my $event = shift;
672 my $callbacks = shift; 1009 my $callbacks = shift;
673 1010
674 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
675 1012
676 local $override; 1013 local $override;
677 1014
678 for (@$callbacks) { 1015 for (@$callbacks) {
679 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
688 } 1025 }
689 1026
690 0 1027 0
691} 1028}
692 1029
693=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694 1031
695=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696 1033
697Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
698 1035
699This 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
700removed 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
701results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 1039
703=back 1040=back
704 1041
705=cut 1042=cut
706 1043
707############################################################################# 1044#############################################################################
708# 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, $ob2
1087}
709 1088
710sub reattach { 1089sub reattach {
711 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 1091 my ($obj) = @_;
713 1092
734cf::attachable->attach ( 1113cf::attachable->attach (
735 prio => -1000000, 1114 prio => -1000000,
736 on_instantiate => sub { 1115 on_instantiate => sub {
737 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
738 1117
739 $data = from_json $data; 1118 $data = decode_json $data;
740 1119
741 for (@$data) { 1120 for (@$data) {
742 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
743 1122
744 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
760sub object_freezer_save { 1139sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
762 1141
763 sync_job { 1142 sync_job {
764 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
767 1147
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1151 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1152 aio_close $fh;
773 1153
774 if (@$objs) { 1154 if (@$objs) {
775 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) {
776 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1160 aio_close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
782 } 1162 }
783 } else { 1163 } else {
784 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
785 } 1165 }
790 } 1170 }
791 } else { 1171 } else {
792 aio_unlink $filename; 1172 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
794 } 1174 }
795 } 1175 };
796} 1176}
797 1177
798sub object_freezer_as_string { 1178sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
800 1180
812 or return; 1192 or return;
813 1193
814 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
816 or return; 1196 or return;
1197
817 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
818 } 1200 }
819 1201
1202 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
822 return ($data, $av); 1206 ($data, $av)
823} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
824 1214
825############################################################################# 1215#############################################################################
826# command handling &c 1216# command handling &c
827 1217
828=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1232}
843 1233
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1235
846Register 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.
847 1241
848If 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
849called. 1243called.
850 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
851=cut 1256=cut
852 1257
853sub register_extcmd { 1258sub register_extcmd {
854 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
855 1260
856 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
857} 1268}
858 1269
859cf::player->attach ( 1270cf::player->attach (
860 on_command => sub { 1271 on_command => sub {
861 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
870 cf::override; 1281 cf::override;
871 }, 1282 },
872 on_extcmd => sub { 1283 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
874 1285
875 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1287
877 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
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
883 } else { 1303 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1305 }
886 1306
887 cf::override; 1307 cf::override;
888 }, 1308 },
889); 1309);
890 1310
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
926 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1316 next unless -r $path;
928 eval { 1317
929 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 $progress = 1;
930 1 1374 }
931 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
932 } 1380 };
933} 1381}
934 1382
935############################################################################# 1383#############################################################################
936 1384
1385=back
1386
937=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
938 1388
939Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
940 1390
941=cut 1391=cut
946 1396
947=head3 cf::player 1397=head3 cf::player
948 1398
949=over 4 1399=over 4
950 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
951=item cf::player::find $login 1415=item cf::player::find $login
952 1416
953Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
954 1418
955=cut 1419=cut
956 1420
957sub playerdir($) { 1421sub playerdir($) {
958 cf::localdir 1422 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1423 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1424}
964 1425
965sub path($) { 1426sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1427 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1428
968 (playerdir $login) . "/$login.pl" 1429 (playerdir $login) . "/playerdata"
969} 1430}
970 1431
971sub find_active($) { 1432sub find_active($) {
972 $cf::PLAYER{$_[0]} 1433 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1434 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1447 my $login = $_[0];
987 1448
988 my $guard = cf::lock_acquire "user_find:$login"; 1449 my $guard = cf::lock_acquire "user_find:$login";
989 1450
990 $cf::PLAYER{$_[0]} || do { 1451 $cf::PLAYER{$_[0]} || do {
991 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
992 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;
993 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
994 } 1468 }
995 } 1469 }
996} 1470}
997 1471
1006 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
1007 1481
1008 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
1010 1484
1485 cf::get_slot 0.01;
1486
1011 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
1012 Coro::cede; 1488 cf::cede_to_tick;
1013} 1489}
1014 1490
1015sub new($) { 1491sub new($) {
1016 my ($login) = @_; 1492 my ($login) = @_;
1017 1493
1023 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1024 1500
1025 $self 1501 $self
1026} 1502}
1027 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
1028=item $pl->quit_character 1514=item $pl->quit_character
1029 1515
1030Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1032 1518
1040 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1041 $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
1042 1528
1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1045 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1046 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1047 1535
1048 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1049 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1079while and may block, so not sync_job-capable, ever. 1567while and may block, so not sync_job-capable, ever.
1080 1568
1081=cut 1569=cut
1082 1570
1083sub list_logins { 1571sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1572 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1573 or return [];
1086 1574
1087 my @logins; 1575 my @logins;
1088 1576
1089 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") {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1093 1587
1094 utf8::decode $login; 1588 utf8::decode $login;
1095 push @logins, $login; 1589 push @logins, $login;
1096 } 1590 }
1097 1591
1124 } 1618 }
1125 1619
1126 \@paths 1620 \@paths
1127} 1621}
1128 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
1129=item $player->ext_reply ($msgid, $msgtype, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1130 1717
1131Sends an ext reply to the player. 1718Sends an ext reply to the player.
1132 1719
1133=cut 1720=cut
1134 1721
1135sub ext_reply($$$%) { 1722sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1137 1724
1138 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1726}
1142 1727
1143package 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}
1144 1768
1145=back 1769=back
1146
1147 1770
1148=head3 cf::map 1771=head3 cf::map
1149 1772
1150=over 4 1773=over 4
1151 1774
1163our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1164our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1165 1788
1166sub generate_random_map { 1789sub generate_random_map {
1167 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
1168 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1169 $self->_create_random_map ( 1795 $self->_create_random_map (
1170 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1206 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1207 1833
1208 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1209 local $self->{path}; 1835 local $self->{path};
1210 local $self->{load_path}; 1836 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213 1837
1214 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1215} 1839}
1216 1840
1217sub normalise { 1841sub normalise {
1264 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1265 return $self; 1889 return $self;
1266 } 1890 }
1267 } 1891 }
1268 1892
1269 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1270 () 1894 ()
1271} 1895}
1272 1896
1273sub init { 1897sub init {
1274 my ($self) = @_; 1898 my ($self) = @_;
1289 1913
1290# the original (read-only) location 1914# the original (read-only) location
1291sub load_path { 1915sub load_path {
1292 my ($self) = @_; 1916 my ($self) = @_;
1293 1917
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1918 "$MAPDIR/$self->{path}.map"
1295} 1919}
1296 1920
1297# the temporary/swap location 1921# the temporary/swap location
1298sub save_path { 1922sub save_path {
1299 my ($self) = @_; 1923 my ($self) = @_;
1300 1924
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1926 "$TMPDIR/$path.map"
1303} 1927}
1304 1928
1305# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1306sub uniq_path { 1930sub uniq_path {
1307 my ($self) = @_; 1931 my ($self) = @_;
1308 1932
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1934 "$UNIQUEDIR/$path"
1311} 1935}
1312 1936
1313# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1314# all maps in C++... 1938# all maps in C++...
1315sub change_all_map_light { 1939sub change_all_map_light {
1317 1941
1318 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1319 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1320} 1944}
1321 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1322sub unlink_save { 1954sub unlink_save {
1323 my ($self) = @_; 1955 my ($self) = @_;
1324 1956
1325 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1329 1961
1330sub load_header_from($) { 1962sub load_header_from($) {
1331 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1332 1964
1333 utf8::encode $path; 1965 utf8::encode $path;
1334 #aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1335 # or return;
1336
1337 $self->_load_header ($path)
1338 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;
1339 1974
1340 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1341 1976
1342 1 1977 1
1343} 1978}
1382 $self->load_header_orig 2017 $self->load_header_orig
1383 or return; 2018 or return;
1384 $self->prepare_orig; 2019 $self->prepare_orig;
1385 } 2020 }
1386 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
1387 1 2028 1
1388} 2029}
1389 2030
1390sub find; 2031sub find;
1391sub find { 2032sub find {
1392 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1393 2034
1394 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1395 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1396 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1397 2039
1398 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1400 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1401 or return; 2045 or return;
1402 2046
1403 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1404 2048
1405 $map->load_header 2049 $map->load_header
1406 or return; 2050 or return;
1407 2051
1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1411 $map->reset; 2057 $map->reset;
1412 undef $guard;
1413 return find $path; 2058 return find $path;
1414 } 2059 }
1415 2060
1416 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1417 } 2062 }
1424 my ($self) = @_; 2069 my ($self) = @_;
1425 2070
1426 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1427 2072
1428 my $path = $self->{path}; 2073 my $path = $self->{path};
2074
2075 {
1429 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1430 2077
2078 return unless $self->valid;
1431 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1432 2080
1433 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1434 2082
1435 $self->alloc; 2083 $self->alloc;
1436 2084
1437 $self->pre_load; 2085 $self->pre_load;
2086 cf::cede_to_tick;
1438 2087
1439 $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)
1440 or return; 2091 or return;
1441 2092
1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1444 2095
1445 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1446 utf8::encode $uniq; 2097 utf8::encode $uniq;
1447 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1448 $self->clear_unique_items; 2100 $self->clear_unique_items;
1449 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1450 } 2104 }
1451 } 2105 }
1452 2106
1453 Coro::cede; 2107 $f->resolve_delayed_derefs;
1454 2108
2109 cf::cede_to_tick;
1455 # now do the right thing for maps 2110 # now do the right thing for maps
1456 $self->link_multipart_objects; 2111 $self->link_multipart_objects;
1457
1458 unless ($self->{deny_activate}) {
1459 $self->decay_objects;
1460 $self->fix_auto_apply;
1461 $self->update_buttons;
1462 Coro::cede;
1463 $self->set_darkness_map;
1464 $self->difficulty ($self->estimate_difficulty) 2112 $self->difficulty ($self->estimate_difficulty)
1465 unless $self->difficulty; 2113 unless $self->difficulty;
1466 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;
1467 $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);
1468 } 2130 }
1469 2131
1470 $self->post_load; 2132 $self->post_load;
1471
1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473} 2133}
1474 2134
1475sub customise_for { 2135sub customise_for {
1476 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1477 2137
1478 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player; 2139 if $self->per_player;
1480 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1481 $self 2144 $self
1482} 2145}
1483 2146
1484# 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
1485sub load_diag { 2148sub load_neighbours {
1486 my ($map) = @_; 2149 my ($map) = @_;
1487 2150
1488 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1489 2152
1490 for (0 .. 3) { 2153 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1492 or next; 2155 or next;
1493 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1494 or next; 2157 or next;
1495 $neigh->load; 2158 $neigh->load;
1496 2159
2160 push @neigh,
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 } 2163 }
1500 2164
1501 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1502 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1503 or next; 2168 or next;
1504 $neigh->load; 2169 $neigh->load;
1505 } 2170 }
1506} 2171}
1507 2172
1512} 2177}
1513 2178
1514sub do_load_sync { 2179sub do_load_sync {
1515 my ($map) = @_; 2180 my ($map) = @_;
1516 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1517 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1518} 2186}
1519 2187
1520our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1521our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1522 2190
1523sub find_async { 2191sub find_async {
1524 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1525 2193
1526 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1527 2195
1528 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1529 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530 } 2198 }
1531 2199
1532 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1533 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1534 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1536 my $map = find $path 2207 if (my $map = find $k) {
1537 or next;
1538 $map->load; 2208 $map->load if $v;
2209 }
1539 2210
1540 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1541 } 2212 }
1542 } 2213 }
1543 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1544 }; 2215 };
1545 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1548} 2219}
1549 2220
1550sub save { 2221sub save {
1551 my ($self) = @_; 2222 my ($self) = @_;
1552 2223
1553 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1554 2225
1555 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1556 2227
1557 return unless $self->dirty; 2228 return unless $self->dirty;
1558 2229
1564 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1565 2236
1566 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1567 2238
1568 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1569 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1570 }; 2242 };
2243
2244 cf::get_slot 0.02;
1571 2245
1572 if ($uniq) { 2246 if ($uniq) {
1573 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1575 } else { 2249 } else {
1581 my ($self) = @_; 2255 my ($self) = @_;
1582 2256
1583 # save first because save cedes 2257 # save first because save cedes
1584 $self->save; 2258 $self->save;
1585 2259
1586 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1587 2261
1588 return if $self->players; 2262 return if $self->players;
1589 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1590 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1591 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1592 $self->clear; 2270 $self->clear;
1593 $self->in_memory (cf::MAP_SWAPPED);
1594} 2271}
1595 2272
1596sub reset_at { 2273sub reset_at {
1597 my ($self) = @_; 2274 my ($self) = @_;
1598 2275
1599 # TODO: safety, remove and allow resettable per-player maps 2276 # TODO: safety, remove and allow resettable per-player maps
1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1601 return 1e99 if $self->{deny_reset}; 2277 return 1e99 if $self->{deny_reset};
1602 2278
1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604 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;
1605 2281
1616 my ($self) = @_; 2292 my ($self) = @_;
1617 2293
1618 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1619 2295
1620 return if $self->players; 2296 return if $self->players;
1621 return if $self->isa ("ext::map_per_player");#d#
1622 2297
1623 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
1624 2299
1625 $self->in_memory (cf::MAP_SWAPPED); 2300 $self->in_memory (cf::MAP_SWAPPED);
1626 2301
1627 # need to save uniques path 2302 # need to save uniques path
1628 unless ($self->{deny_save}) { 2303 unless ($self->{deny_save}) {
1632 if $uniq; 2307 if $uniq;
1633 } 2308 }
1634 2309
1635 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1636 2311
2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1637 $self->clear; 2314 $self->clear;
1638
1639 $_->clear_links_to ($self) for values %cf::MAP;
1640 2315
1641 $self->unlink_save; 2316 $self->unlink_save;
1642 $self->destroy; 2317 $self->destroy;
1643} 2318}
1644 2319
1645my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1646 2321
1647sub nuke { 2322sub nuke {
1648 my ($self) = @_; 2323 my ($self) = @_;
1649 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1650 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1651 2329
1652 $self->unlink_save; 2330 $self->unlink_save;
1653 2331
1654 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1655 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1656 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1657 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1658 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659 2337
1660 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1661 2340
1662 $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 ]
1663} 2378}
1664 2379
1665=item cf::map::unique_maps 2380=item cf::map::unique_maps
1666 2381
1667Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1668instantiated unique items. May block. 2383instantiated unique items. May block.
1669 2384
1670=cut 2385=cut
1671 2386
1672sub unique_maps() { 2387sub unique_maps() {
1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2388 [
1674 or return; 2389 map {
1675
1676 my @paths;
1677
1678 for (@$files) {
1679 utf8::decode $_; 2390 utf8::decode $_;
1680 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1681 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682 2393 ? ()
1683 push @paths, cf::map::normalise $_; 2394 : normalise $_
2395 } @{ aio_readdir $UNIQUEDIR or [] }
1684 } 2396 ]
1685
1686 \@paths
1687} 2397}
1688
1689package cf;
1690 2398
1691=back 2399=back
1692 2400
1693=head3 cf::object 2401=head3 cf::object
1694 2402
1698 2406
1699=over 4 2407=over 4
1700 2408
1701=item $ob->inv_recursive 2409=item $ob->inv_recursive
1702 2410
1703Returns 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.
1704 2413
1705=cut 2414=cut
1706 2415
1707sub inv_recursive_; 2416sub inv_recursive_;
1708sub inv_recursive_ { 2417sub inv_recursive_ {
1711 2420
1712sub inv_recursive { 2421sub inv_recursive {
1713 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1714} 2423}
1715 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
1716package cf; 2453package cf;
1717 2454
1718=back 2455=back
1719 2456
1720=head3 cf::object::player 2457=head3 cf::object::player
1726Sends 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>
1727can 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
1728dialogue with the given NPC character. 2465dialogue with the given NPC character.
1729 2466
1730=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};
1731 2482
1732# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1733# with dialog boxes. 2484# with dialog boxes.
1734#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
1735sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1737 2488
1738 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739 2490
1740 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1741 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1742 } 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 {
1743 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1744 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1745 } 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 (@_);
1746} 2516}
1747 2517
1748=item $player_object->may ("access") 2518=item $player_object->may ("access")
1749 2519
1750Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1797 $self->deactivate_recursive; 2567 $self->deactivate_recursive;
1798 2568
1799 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2569 return if UNIVERSAL::isa $self->map, "ext::map_link";
1800 2570
1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2571 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802 if $self->map; 2572 if $self->map && $self->map->{path} ne "{link}";
1803 2573
1804 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2574 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1805} 2575}
1806 2576
1807sub cf::object::player::leave_link { 2577sub cf::object::player::leave_link {
1808 my ($self, $map, $x, $y) = @_; 2578 my ($self, $map, $x, $y) = @_;
2579
2580 return unless $self->contr->active;
1809 2581
1810 my $link_pos = delete $self->{_link_pos}; 2582 my $link_pos = delete $self->{_link_pos};
1811 2583
1812 unless ($map) { 2584 unless ($map) {
1813 # restore original map position 2585 # restore original map position
1827 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1828 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1829 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1830 2602
1831 $map->load; 2603 $map->load;
1832 $map->load_diag; 2604 $map->load_neighbours;
1833 2605
1834 return unless $self->contr->active; 2606 return unless $self->contr->active;
1835 $self->activate_recursive; 2607 $self->activate_recursive;
1836 2608
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1839} 2611}
1840 2612
1841cf::player->attach ( 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842 on_logout => sub {
1843 my ($pl) = @_;
1844 2614
1845 # abort map switching before logout 2615Moves the player to the given map-path and coordinates by first freezing
1846 if ($pl->ob->{_link_pos}) { 2616her, loading and preparing them map, calling the provided $check callback
1847 cf::sync_job { 2617that has to return the map if sucecssful, and then unfreezes the player on
1848 $pl->ob->leave_link 2618the new (success) or old (failed) map position. In either case, $done will
1849 }; 2619be called at the end of this process.
1850 }
1851 },
1852 on_login => sub {
1853 my ($pl) = @_;
1854 2620
1855 # try to abort aborted map switching on player login :)
1856 # should happen only on crashes
1857 if ($pl->ob->{_link_pos}) {
1858 $pl->ob->enter_link;
1859 (async {
1860 $pl->ob->reply (undef,
1861 "There was an internal problem at your last logout, "
1862 . "the server will try to bring you to your intended destination in a second.",
1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1866 Coro::Timer::sleep 1;
1867 $pl->ob->leave_link;
1868 })->prio (2);
1869 }
1870 },
1871);
1872
1873=item $player_object->goto ($path, $x, $y)
1874
1875=cut 2621=cut
2622
2623our $GOTOGEN;
1876 2624
1877sub cf::object::player::goto { 2625sub cf::object::player::goto {
1878 my ($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;
1879 2630
1880 $self->enter_link; 2631 $self->enter_link;
1881 2632
1882 (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
1883 my $map = eval { 2655 my $map = eval {
1884 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
2657
2658 if ($map) {
1885 $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
1886 $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 $@;
1887 } or 2671 }
1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889 2672
2673 if ($gen == $self->{_goto_generation}) {
2674 delete $self->{_goto_generation};
1890 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
2676 }
2677
2678 $done->() if $done;
1891 })->prio (1); 2679 })->prio (1);
1892} 2680}
1893 2681
1894=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1895 2683
1915} 2703}
1916 2704
1917sub prepare_random_map { 2705sub prepare_random_map {
1918 my ($exit) = @_; 2706 my ($exit) = @_;
1919 2707
1920 my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
1923 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
1924 # that depends on the exit object 2710 # that depends on the exit object
1925 2711
1926 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
1928 if ($exit->map) { 2714 if ($exit->map) {
1929 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
1930 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
1931 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
1932 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
1933 } 2721 }
1934 2722
1935 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
1936 2724
1937 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
1940 2728
1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh; 2731 undef $fh;
1944 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
1945 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
1946 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
1947 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
1948 } 2740 }
1949} 2741}
1950 2742
1951sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
1952 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
1953 2745
1954 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
1955 2747
1956 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job
1958 cf::sync_job { prepare_random_map $exit };
1959 }
1960
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp;
1964
1965 $self->enter_link; 2748 $self->enter_link;
1966 2749
1967 (async { 2750 (async {
1968 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
1969 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
1970 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
1971 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
1972 1; 2774 1
1973 }) { 2775 }) {
1974 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
1975 . "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. "
1976 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
1977 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
1978 2780
1979 warn "ERROR in enter_exit: $@"; 2781 warn "ERROR in enter_exit: $@";
1980 $self->leave_link; 2782 $self->leave_link;
1981 } 2783 }
1982 })->prio (1); 2784 })->prio (1);
1995 2797
1996sub cf::client::send_drawinfo { 2798sub cf::client::send_drawinfo {
1997 my ($self, $text, $flags) = @_; 2799 my ($self, $text, $flags) = @_;
1998 2800
1999 utf8::encode $text; 2801 utf8::encode $text;
2000 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001} 2803}
2002 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}
2003 2969
2004=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
2005 2971
2006Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
2007the 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>,
2008C<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>.
2009 2975
2010Queries 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
2011reliable at some point in the future. 2977become reliable at some point in the future.
2012 2978
2013=cut 2979=cut
2014 2980
2015sub cf::client::query { 2981sub cf::client::query {
2016 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
2024 utf8::encode $text; 2990 utf8::encode $text;
2025 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026 2992
2027 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
2028 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
2029} 2997}
2030 2998
2031cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
2032 on_reply => sub { 3005 on_reply => sub {
2033 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
2034 3007
2035 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
2036 # get handled first 3009 # get handled first
2048 } else { 3021 } else {
2049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050 } 3023 }
2051 } 3024 }
2052 }, 3025 },
3026 on_exticmd => sub {
3027 my ($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 },
2053); 3052);
2054 3053
2055=item $client->async (\&cb) 3054=item $client->async (\&cb)
2056 3055
2057Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2098our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2099our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2100 3099
2101$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2102 3101
2103$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2104 3107
2105# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2106 3109
2107=pod 3110=pod
2108 3111
2109The following fucntions and emthods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2110 3113
2111 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2112 cf::object::player player 3118 cf::object::player
2113 cf::player peaceful 3119 player
2114 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2115 3126
2116=cut 3127=cut
2117 3128
2118for ( 3129for (
2119 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2120 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2121 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2122 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2123) { 3136) {
2124 no strict 'refs'; 3137 no strict 'refs';
2195=back 3208=back
2196 3209
2197=cut 3210=cut
2198 3211
2199############################################################################# 3212#############################################################################
2200
2201=head2 EXTENSION DATABASE SUPPORT
2202
2203Crossfire maintains a very simple database for extension use. It can
2204currently store anything that can be serialised using Storable, which
2205excludes objects.
2206
2207The parameter C<$family> should best start with the name of the extension
2208using it, it should be unique.
2209
2210=over 4
2211
2212=item $value = cf::db_get $family => $key
2213
2214Returns a single value from the database.
2215
2216=item cf::db_put $family => $key => $value
2217
2218Stores the given C<$value> in the family.
2219
2220=cut
2221
2222our $DB;
2223
2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2243
2244 cf::db_put (board => data => $pst->{board});
2245 cf::db_put (guildrules => data => $pst->{guildrules});
2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249 unlink $path;
2250 };
2251 }
2252 }
2253}
2254
2255sub db_get($$) {
2256 my $key = "$_[0]/$_[1]";
2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
2266sub db_put($$$) {
2267 BDB::dbreq_pri 4;
2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269}
2270
2271#############################################################################
2272# the server's init and main functions 3213# the server's init and main functions
2273 3214
2274sub load_faces { 3215sub load_facedata($) {
2275 my $path = sprintf "%s/faces", cf::datadir; 3216 my ($path) = @_;
2276 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
2277 warn "loading faces from $path\n"; 3224 warn "loading facedata from $path\n";
2278 3225
2279 my $faces; 3226 my $facedata;
2280 0 < aio_load $path, $faces 3227 0 < aio_load $path, $facedata
2281 or die "$path: $!"; 3228 or die "$path: $!";
2282 3229
2283 Coro::cede;
2284 $faces = Storable::thaw $faces; 3230 $facedata = Coro::Storable::thaw $facedata;
2285 Coro::cede;
2286 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 = $facedata->{faceinfo};
3244
2287 while (my ($face, $info) = each %$faces) { 3245 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3247
3248 cf::face::set_visibility $idx, $info->{visibility};
3249 cf::face::set_magicmap $idx, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291 Coro::cede; 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
2292 } 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);
2293 3318
2294 1 3319 1
2295} 3320}
2296 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, $v);
3347 }
3348};
3349
3350sub load_resource_file($) {
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"
3366 or die "unable to load regions file\n";
3367
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
2297sub reload_resources { 3389sub reload_resources {
2298 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3390 warn "reloading resource files...\n";
2299 or die "unable to load regions file\n";#d# 3391
2300 load_faces 3392 reload_facedata;
2301 or die "unable to load faces\n";#d# 3393 reload_archetypes;
3394 reload_regions;
3395 reload_treasures;
3396
3397 warn "finished reloading resource files\n";
2302} 3398}
2303 3399
2304sub init { 3400sub init {
3401 my $guard = freeze_mainloop;
3402
2305 reload_resources; 3403 reload_resources;
2306} 3404}
2307 3405
2308sub cfg_load { 3406sub reload_config {
2309 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2310 or return; 3408 or return;
2311 3409
2312 local $/; 3410 local $/;
2313 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2314 3412
2315 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2316 3414
2317 $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};
2318 $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};
2329sub main { 3427sub main {
2330 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2331 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2332 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#
2333 (async { 3431 (async {
2334 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2335 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2336 }; 3435 };
2337 3436
2338 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2339 db_init; 3440 db_init;
2340 load_extensions; 3441 load_extensions;
2341 3442
2342 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2343 Event::loop; 3446 EV::loop;
2344} 3447}
2345 3448
2346############################################################################# 3449#############################################################################
2347# initialisation and cleanup 3450# initialisation and cleanup
2348 3451
2349# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2350BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2351 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2352 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2353 reentrant => 0,
2354 data => WF_AUTOCANCEL,
2355 signal => $signal,
2356 prio => 0,
2357 cb => sub {
2358 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2359 },
2360 ); 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
2361 } 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 };
2362} 3541}
2363 3542
2364sub emergency_save() { 3543sub emergency_save() {
2365 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2366 3545
2372 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2373 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2374 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2375 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2376 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377 $pl->save; 3557 $pl->save;
2378 } 3558 }
2379 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2380 3560
2381 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2387 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2388 3568
2389 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2390 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2391 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";
2392 }; 3576 };
2393 3577
2394 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2395} 3579}
2396 3580
2399 3583
2400 warn Carp::longmess "post_cleanup backtrace" 3584 warn Carp::longmess "post_cleanup backtrace"
2401 if $make_core; 3585 if $make_core;
2402} 3586}
2403 3587
2404sub reload() { 3588sub do_reload_perl() {
2405 # can/must only be called in main 3589 # can/must only be called in main
2406 if ($Coro::current != $Coro::main) { 3590 if ($Coro::current != $Coro::main) {
2407 warn "can only reload from main coroutine"; 3591 warn "can only reload from main coroutine";
2408 return; 3592 return;
2409 } 3593 }
2411 warn "reloading..."; 3595 warn "reloading...";
2412 3596
2413 warn "entering sync_job"; 3597 warn "entering sync_job";
2414 3598
2415 cf::sync_job { 3599 cf::sync_job {
2416 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2417 cf::emergency_save; 3601 cf::emergency_save;
2418 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2419 3603
2420 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2421 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2422 3606
2423 # 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
2424
2425 warn "cancelling all WF_AUTOCANCEL watchers";
2426 for (Event::all_watchers) {
2427 $_->cancel if $_->data & WF_AUTOCANCEL;
2428 }
2429 3608
2430 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2431 for (;;) { 3610 for (;;) {
2432 BDB::flush; 3611 BDB::flush;
2433 IO::AIO::flush; 3612 IO::AIO::flush;
2434 Coro::cede; 3613 Coro::cede_notself;
2435 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2436 warn "iterate..."; 3615 warn "iterate...";
2437 } 3616 }
2438 3617
2439 ++$RELOAD; 3618 ++$RELOAD;
2443 %EXT_CORO = (); 3622 %EXT_CORO = ();
2444 3623
2445 warn "removing commands"; 3624 warn "removing commands";
2446 %COMMAND = (); 3625 %COMMAND = ();
2447 3626
2448 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2449 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2450 3630
2451 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2452 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2453 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2454 3634
2484 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2485 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);
2486 3666
2487 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2488 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2489 3670
2490 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2491 # and global variables created in xs 3672 # and global variables created in xs
2492 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2493 3674
2496 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2497 require cf; 3678 require cf;
2498 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499 3680
2500 warn "loading config and database again"; 3681 warn "loading config and database again";
2501 cf::cfg_load; 3682 cf::reload_config;
2502 3683
2503 warn "loading extensions"; 3684 warn "loading extensions";
2504 cf::load_extensions; 3685 cf::load_extensions;
2505 3686
2506 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2508 warn "reattaching attachments to maps"; 3689 warn "reattaching attachments to maps";
2509 reattach $_ for values %MAP; 3690 reattach $_ for values %MAP;
2510 warn "reattaching attachments to players"; 3691 warn "reattaching attachments to players";
2511 reattach $_ for values %PLAYER; 3692 reattach $_ for values %PLAYER;
2512 3693
2513 warn "loading reloadable resources";
2514 reload_resources;
2515
2516 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2517 3695
2518 1 3696 1
2519 } or do { 3697 } or do {
2520 warn $@; 3698 warn $@;
2521 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2522 exit 1;
2523 }; 3700 };
2524 3701
2525 warn "reloaded"; 3702 warn "reloaded";
2526}; 3703};
2527 3704
2528our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
2529 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
2530register_command "reload" => sub { 3717register_command "reload" => sub {
2531 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2532 3719
2533 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2534 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
2535 3722 async {
2536 # doing reload synchronously and two reloads happen back-to-back, 3723 $Coro::current->{desc} = "perl_reload";
2537 # coro crashes during coro_state_free->destroy here.
2538
2539 $RELOAD_WATCHER ||= Event->timer (
2540 reentrant => 0,
2541 after => 0,
2542 data => WF_AUTOCANCEL,
2543 cb => sub {
2544 reload; 3724 reload_perl;
2545 undef $RELOAD_WATCHER;
2546 },
2547 ); 3725 };
2548 } 3726 }
2549}; 3727};
2550 3728
2551unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2552 3730
2553my $bug_warning = 0; 3731my $bug_warning = 0;
2554 3732
2555$TICK_WATCHER = Event->timer ( 3733our @WAIT_FOR_TICK;
2556 reentrant => 0, 3734our @WAIT_FOR_TICK_BEGIN;
2557 parked => 1, 3735
2558 prio => 0, 3736sub wait_for_tick {
2559 at => $NEXT_TICK || $TICK, 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2560 data => WF_AUTOCANCEL, 3738
2561 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 {
2562 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2563 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"
2564 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2565 return; 3756 return;
2566 } 3757 }
2567 3758
2568 $NOW = Event::time;
2569
2570 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2571 $RUNTIME += $TICK;
2572 $NEXT_TICK += $TICK;
2573 3760
2574 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575 $NEXT_RUNTIME_WRITE = $NOW + 10; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576 Coro::async_pool { 3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
2577 write_runtime 3765 write_runtime_sync
2578 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
2579 };
2580 } 3767 };
2581
2582 $WAIT_FOR_TICK->broadcast;
2583 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585# my $AFTER = Event::time;
2586# warn $AFTER - $NOW;#d#
2587
2588 # if we are delayed by four ticks or more, skip them all
2589 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591 $TICK_WATCHER->at ($NEXT_TICK);
2592 $TICK_WATCHER->start;
2593 }, 3768 }
2594); 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}
2595 3788
2596{ 3789{
2597 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2598 $BDB_POLL_WATCHER = Event->io ( 3791
2599 reentrant => 0,
2600 fd => BDB::poll_fileno,
2601 poll => 'r',
2602 prio => 0,
2603 data => WF_AUTOCANCEL,
2604 cb => \&BDB::poll_cb,
2605 );
2606 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2607 3793 BDB::max_poll_reqs $TICK * 0.1;
2608 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2609 my $status;
2610 my $current = $Coro::current;
2611 (
2612 sub {
2613 $status = $!;
2614 $current->ready; undef $current;
2615 },
2616 sub {
2617 Coro::schedule while defined $current;
2618 $! = $status;
2619 },
2620 )
2621 };
2622 3795
2623 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2624 $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);
2625 3802
2626 cf::sync_job { 3803 cf::sync_job {
2627 eval { 3804 eval {
2628 BDB::db_env_open 3805 BDB::db_env_open
2629 $DB_ENV, 3806 $DB_ENV,
2630 $BDB_ENV_DIR, 3807 $BDBDIR,
2631 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
2632 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633 0666; 3810 0666;
2634 3811
2635 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638 $DB_ENV->set_lk_detect;
2639 }; 3813 };
2640 3814
2641 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2642 }; 3816 };
2643 } 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 };
2644} 3828}
2645 3829
2646{ 3830{
3831 # configure IO::AIO
3832
2647 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2648
2649 undef $Coro::AIO::WATCHER;
2650 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2651 $AIO_POLL_WATCHER = Event->io ( 3835 #undef $AnyEvent::AIO::WATCHER;
2652 reentrant => 0,
2653 data => WF_AUTOCANCEL,
2654 fd => IO::AIO::poll_fileno,
2655 poll => 'r',
2656 prio => 6,
2657 cb => \&IO::AIO::poll_cb,
2658 );
2659} 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;
2660 3880
2661END { cf::emergency_save } 3881END { cf::emergency_save }
2662 3882
3883evthread_start IO::AIO::poll_fileno;
3884
26631 38851
2664 3886

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