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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV 3.2;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro 4.50 ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::EV;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
18use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
45use Coro::Storable;
46use Coro::Util ();
19 47
48use JSON::XS 2.01 ();
20use BDB (); 49use BDB ();
21use Data::Dumper; 50use Data::Dumper;
22use Digest::MD5; 51use Digest::MD5;
23use Fcntl; 52use Fcntl;
53use YAML ();
24use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
25use YAML::Syck ();
26use Time::HiRes; 55use Time::HiRes;
27use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
28 58
59# configure various modules to our taste
60#
61$Storable::canonical = 1; # reduce rsync transfers
62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 64
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 66
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 68
40our %COMMAND = (); 69our %COMMAND = ();
41our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
42 71
43our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
47 77
78our $RELOAD; # number of reloads so far
48our @EVENT; 79our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 80
51our $TICK = MAX_TIME * 1e-6; 81our $CONFDIR = confdir;
52our $TICK_WATCHER; 82our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
93
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 97our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
58 99
59our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 104our $DB_ENV;
61 105
62our %CFG; 106our %CFG;
63 107
64our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 109our $RUNTIME;
110our $NOW;
66 111
67our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 115
76# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 118
119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes
123
79binmode STDOUT; 124binmode STDOUT;
80binmode STDERR; 125binmode STDERR;
81 126
82# read virtual server time, if available 127# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 128unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 129 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 130 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 131 $RUNTIME = <$fh> + 0.;
87} 132}
88 133
89mkdir cf::localdir; 134mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 136
96our $EMERGENCY_POSITION; 137our $EMERGENCY_POSITION;
97 138
98sub cf::map::normalise; 139sub cf::map::normalise;
99 140
110=item $cf::RUNTIME 151=item $cf::RUNTIME
111 152
112The time this server has run, starts at 0 and is increased by $cf::TICK on 153The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 154every server tick.
114 155
115=item $cf::LIBDIR 156=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 159
117The perl library directory, where extensions and cf-specific modules can 160Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 161directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162unique-items directory, player file directory, random maps directory and
163database environment.
119 164
120=item $cf::NOW 165=item $cf::NOW
121 166
122The time of the last (current) server tick. 167The time of the last (current) server tick.
123 168
124=item $cf::TICK 169=item $cf::TICK
125 170
126The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
127 172
173=item $cf::LOADAVG
174
175The current CPU load on the server (alpha-smoothed), as a value between 0
176(none) and 1 (overloaded), indicating how much time is spent on processing
177objects per tick. Healthy values are < 0.5.
178
179=item $cf::LOAD
180
181The raw value load value from the last tick.
182
128=item %cf::CFG 183=item %cf::CFG
129 184
130Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 186from wherever your confdir points to.
132 187
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 188=item cf::wait_for_tick, cf::wait_for_tick_begin
134 189
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 191returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
139 199
140=back 200=back
141 201
142=cut 202=cut
143 203
144BEGIN { 204BEGIN {
145 *CORE::GLOBAL::warn = sub { 205 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 206 my $msg = join "", @_;
147 utf8::encode $msg;
148 207
149 $msg .= "\n" 208 $msg .= "\n"
150 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
151 210
211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212
152 LOG llevError, $msg; 213 LOG llevError, $msg;
153 }; 214 };
154} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
155 231
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 239
163# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 241# within the Safe compartment.
165for my $pkg (qw( 242for my $pkg (qw(
166 cf::global cf::attachable 243 cf::global cf::attachable
171)) { 248)) {
172 no strict 'refs'; 249 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 251}
175 252
176$Event::DIED = sub { 253$EV::DIED = sub {
177 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
178}; 255};
256
257#############################################################################
179 258
180=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
181 260
182=over 4 261=over 4
183 262
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 282 $d
204 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
205} 284}
206 285
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
210 287
211Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
212 289
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
221 291
222Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
223 293
224=cut 294=cut
225 295
226sub to_json($) { 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 297
228 JSON::Syck::Dump $_[0] 298sub encode_json($) { $json_coder->encode ($_[0]) }
229} 299sub decode_json($) { $json_coder->decode ($_[0]) }
230 300
231=item cf::lock_wait $string 301=item cf::lock_wait $string
232 302
233Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
234 304
237Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
240returned. 310returned.
241 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
242Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
244 317
318=item $locked = cf::lock_active $string
319
320Return true if the lock is currently active, i.e. somebody has locked it.
321
245=cut 322=cut
246 323
247our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
248 326
249sub lock_wait($) { 327sub lock_wait($) {
250 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
251 334
252 # wait for lock, if any 335 # wait for lock, if any
253 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 338 Coro::schedule;
261 344
262 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
263 lock_wait $key; 346 lock_wait $key;
264 347
265 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
266 350
267 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
270 } 355 }
271} 356}
272 357
358sub lock_active($) {
359 my ($key) = @_;
360
361 ! ! $LOCK{$key}
362}
363
273sub freeze_mainloop { 364sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
275 366
276 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
277 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
278 }; 428 }
279 $TICK_WATCHER->stop; 429};
280 $guard 430
431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
281} 443}
282 444
283=item cf::async { BLOCK } 445=item cf::async { BLOCK }
284 446
285Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
290 452
291BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
292 454
293=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
294 456
295The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
298 461
299If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
302fast or be very important. 465fast or be very important.
305 468
306sub sync_job(&) { 469sub sync_job(&) {
307 my ($job) = @_; 470 my ($job) = @_;
308 471
309 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
473 my $time = EV::time;
474
310 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
312 477
313 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 479
315 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
316 481
317 my $busy = 1; 482 my $busy = 1;
318 my @res; 483 my @res;
319 484
320 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 487 @res = eval { $job->() };
322 warn $@ if $@; 488 warn $@ if $@;
323 undef $busy; 489 undef $busy;
324 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
325 491
326 while ($busy) { 492 while ($busy) {
327 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
328 } 497 }
498 }
499
500 my $time = EV::time - $time;
501
502 $TICK_START += $time; # do not account sync jobs to server load
329 503
330 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
331 } else { 505 } else {
332 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
333 507
353 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
354 528
355 $coro 529 $coro
356} 530}
357 531
358sub write_runtime { 532=item fork_call { }, $args
359 my $guard = cf::lock_acquire "write_runtime";
360 533
361 my $runtime = cf::localdir . "/runtime"; 534Executes the given code block with the given arguments in a seperate
535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
362 538
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 539=cut
364 or return;
365 540
366 my $value = $cf::RUNTIME + 90 + 10; 541sub fork_call(&@) {
367 # 10 is the runtime save interval, for a monotonic clock 542 my ($cb, @args) = @_;
368 # 60 allows for the watchdog to kill the server.
369 543
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544 # we seemingly have to make a local copy of the whole thing,
371 and return; 545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
372 547
373 # always fsync - this file is important 548 my @res = Coro::Util::fork_eval {
374 aio_fsync $fh 549 reset_signals;
375 and return; 550 &$cb
551 }, @args;
376 552
377 close $fh 553 wantarray ? @res : $res[-1]
378 or return; 554}
379 555
380 aio_rename "$runtime~", $runtime 556=item $coin = coin_from_name $name
381 and return;
382 557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
582
583=item $value = cf::db_get $family => $key
584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
610 };
611 cf::cleanup "db_open(db): $@" if $@;
612
613 $db
614}
615
616our $DB;
617
618sub db_init {
619 cf::sync_job {
620 $DB ||= db_table "db";
621 };
622}
623
624sub db_get($$) {
625 my $key = "$_[0]/$_[1]";
626
627 cf::sync_job {
628 BDB::db_get $DB, undef, $key, my $data;
629
630 $! ? ()
631 : $data
383 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
708}
709
710=item cf::datalog type => key => value, ...
711
712Log a datalog packet of the given type with the given key-value pairs.
713
714=cut
715
716sub datalog($@) {
717 my ($type, %kv) = @_;
718 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 719}
385 720
386=back 721=back
387 722
388=cut 723=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
397 732
398In the following description, CLASS can be any of C<global>, C<object> 733In the following description, CLASS can be any of C<global>, C<object>
399C<player>, C<client> or C<map> (i.e. the attachable objects in 734C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 735Deliantra).
401 736
402=over 4 737=over 4
403 738
404=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
405 740
568 $registry = $CB_TYPE[$object_type] ||= []; 903 $registry = $CB_TYPE[$object_type] ||= [];
569 904
570 } elsif ($type eq "subtype") { 905 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 906 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 907 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 908 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 909
575 } elsif ($type eq "package") { 910 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 911 my $pkg = shift @arg;
577 912
578 while (my ($name, $id) = each %cb_id) { 913 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
608 } 943 }
609 944
610 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
611 } else { 946 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 948 }
614 949
615 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
616} 951}
617 952
619 if (ref $_[0]) { 954 if (ref $_[0]) {
620 _object_attach @_; 955 _object_attach @_;
621 } else { 956 } else {
622 _attach shift->_attach_registry, @_; 957 _attach shift->_attach_registry, @_;
623 } 958 }
959 _recalc_want;
624}; 960};
625 961
626# all those should be optimised 962# all those should be optimised
627sub cf::attachable::detach { 963sub cf::attachable::detach {
628 my ($obj, $name) = @_; 964 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 967 delete $obj->{_attachment}{$name};
632 reattach ($obj); 968 reattach ($obj);
633 } else { 969 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 970 Carp::croak "cannot, currently, detach class attachments";
635 } 971 }
972 _recalc_want;
636}; 973};
637 974
638sub cf::attachable::attached { 975sub cf::attachable::attached {
639 my ($obj, $name) = @_; 976 my ($obj, $name) = @_;
640 977
655 "; 992 ";
656 die if $@; 993 die if $@;
657} 994}
658 995
659our $override; 996our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 998
662sub override { 999sub override {
663 $override = 1; 1000 $override = 1;
664 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
665} 1002}
666 1003
667sub do_invoke { 1004sub do_invoke {
668 my $event = shift; 1005 my $event = shift;
669 my $callbacks = shift; 1006 my $callbacks = shift;
670 1007
671 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
672 1009
673 local $override; 1010 local $override;
674 1011
675 for (@$callbacks) { 1012 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
685 } 1022 }
686 1023
687 0 1024 0
688} 1025}
689 1026
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1028
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1030
694Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
695 1032
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697removed in future versions), and there is no public API to access override 1034removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1036
700=back 1037=back
701 1038
702=cut 1039=cut
703 1040
704############################################################################# 1041#############################################################################
705# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
706 1085
707sub reattach { 1086sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1088 my ($obj) = @_;
710 1089
731cf::attachable->attach ( 1110cf::attachable->attach (
732 prio => -1000000, 1111 prio => -1000000,
733 on_instantiate => sub { 1112 on_instantiate => sub {
734 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
735 1114
736 $data = from_json $data; 1115 $data = decode_json $data;
737 1116
738 for (@$data) { 1117 for (@$data) {
739 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
740 1119
741 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
757sub object_freezer_save { 1136sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
759 1138
760 sync_job { 1139 sync_job {
761 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
764 1144
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
769 close $fh; 1149 aio_close $fh;
770 1150
771 if (@$objs) { 1151 if (@$objs) {
772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
776 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
777 close $fh; 1157 aio_close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
779 } 1159 }
780 } else { 1160 } else {
781 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
782 } 1162 }
787 } 1167 }
788 } else { 1168 } else {
789 aio_unlink $filename; 1169 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
791 } 1171 }
792 } 1172 };
793} 1173}
794 1174
795sub object_freezer_as_string { 1175sub object_freezer_as_string {
796 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
797 1177
809 or return; 1189 or return;
810 1190
811 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
812 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
813 or return; 1193 or return;
1194
814 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
815 } 1197 }
816 1198
1199 utf8::decode (my $decname = $filename);
817 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
819 return ($data, $av); 1203 ($data, $av)
820} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
821 1211
822############################################################################# 1212#############################################################################
823# command handling &c 1213# command handling &c
824 1214
825=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1229}
840 1230
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1232
843Register a callbackf ro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
844 1238
845If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
846called. 1240called.
847 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
848=cut 1253=cut
849 1254
850sub register_extcmd { 1255sub register_extcmd {
851 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
852 1257
853 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
854} 1265}
855 1266
856cf::player->attach ( 1267cf::player->attach (
857 on_command => sub { 1268 on_command => sub {
858 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
867 cf::override; 1278 cf::override;
868 }, 1279 },
869 on_extcmd => sub { 1280 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
871 1282
872 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1284
874 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
877 $pl->ext_reply ($msg->{msgid}, %reply);
878 }
879 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
880 } else { 1300 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1302 }
883 1303
884 cf::override; 1304 cf::override;
885 }, 1305 },
886); 1306);
887 1307
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
923 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1313 next unless -r $path;
925 eval { 1314
926 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
927 1 1371 }
928 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
929 } 1377 };
930} 1378}
931 1379
932############################################################################# 1380#############################################################################
933 1381
1382=back
1383
934=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
935 1385
936Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
937 1387
938=cut 1388=cut
943 1393
944=head3 cf::player 1394=head3 cf::player
945 1395
946=over 4 1396=over 4
947 1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
1411
948=item cf::player::find $login 1412=item cf::player::find $login
949 1413
950Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
951 1415
952=cut 1416=cut
953 1417
954sub playerdir($) { 1418sub playerdir($) {
955 cf::localdir 1419 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1420 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1421}
961 1422
962sub path($) { 1423sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1424 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1425
965 (playerdir $login) . "/$login.pl" 1426 (playerdir $login) . "/playerdata"
966} 1427}
967 1428
968sub find_active($) { 1429sub find_active($) {
969 $cf::PLAYER{$_[0]} 1430 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1431 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1444 my $login = $_[0];
984 1445
985 my $guard = cf::lock_acquire "user_find:$login"; 1446 my $guard = cf::lock_acquire "user_find:$login";
986 1447
987 $cf::PLAYER{$_[0]} || do { 1448 $cf::PLAYER{$_[0]} || do {
988 my $pl = load_pl path $login 1449 # rename old playerfiles to new ones
1450 #TODO: remove when no longer required
1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1454 aio_unlink +(playerdir $login) . "/$login.pl";
1455
1456 my $f = new_from_file cf::object::thawer path $login
989 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461
1462 local $cf::PLAYER_LOADING{$login} = $pl;
1463 $f->resolve_delayed_derefs;
990 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
991 } 1465 }
992 } 1466 }
993} 1467}
994 1468
1003 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1004 1478
1005 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1006 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1007 1481
1482 cf::get_slot 0.01;
1483
1008 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1009 Coro::cede; 1485 cf::cede_to_tick;
1010} 1486}
1011 1487
1012sub new($) { 1488sub new($) {
1013 my ($login) = @_; 1489 my ($login) = @_;
1014 1490
1020 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1021 1497
1022 $self 1498 $self
1023} 1499}
1024 1500
1501=item $player->send_msg ($channel, $msg, $color, [extra...])
1502
1503=cut
1504
1505sub send_msg {
1506 my $ns = shift->ns
1507 or return;
1508 $ns->send_msg (@_);
1509}
1510
1025=item $pl->quit_character 1511=item $pl->quit_character
1026 1512
1027Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1028be destroyed. May block for a long time. 1514be destroyed. May block for a long time.
1029 1515
1030=cut 1516=cut
1031 1517
1032sub quit_character { 1518sub quit_character {
1033 my ($pl) = @_; 1519 my ($pl) = @_;
1520
1521 my $name = $pl->ob->name;
1034 1522
1035 $pl->{deny_save} = 1; 1523 $pl->{deny_save} = 1;
1036 $pl->password ("*"); # this should lock out the player until we nuked the dir 1524 $pl->password ("*"); # this should lock out the player until we nuked the dir
1037 1525
1038 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1043 my $path = playerdir $pl; 1531 my $path = playerdir $pl;
1044 my $temp = "$path~$cf::RUNTIME~deleting~"; 1532 my $temp = "$path~$cf::RUNTIME~deleting~";
1045 aio_rename $path, $temp; 1533 aio_rename $path, $temp;
1046 delete $cf::PLAYER{$pl->ob->name}; 1534 delete $cf::PLAYER{$pl->ob->name};
1047 $pl->destroy; 1535 $pl->destroy;
1536
1537 my $prefix = qr<^~\Q$name\E/>;
1538
1539 # nuke player maps
1540 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1541
1048 IO::AIO::aio_rmtree $temp; 1542 IO::AIO::aio_rmtree $temp;
1543}
1544
1545=item $pl->kick
1546
1547Kicks a player out of the game. This destroys the connection.
1548
1549=cut
1550
1551sub kick {
1552 my ($pl, $kicker) = @_;
1553
1554 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1555 $pl->killer ("kicked");
1556 $pl->ns->destroy;
1049} 1557}
1050 1558
1051=item cf::player::list_logins 1559=item cf::player::list_logins
1052 1560
1053Returns am arrayref of all valid playernames in the system, can take a 1561Returns am arrayref of all valid playernames in the system, can take a
1054while and may block, so not sync_job-capable, ever. 1562while and may block, so not sync_job-capable, ever.
1055 1563
1056=cut 1564=cut
1057 1565
1058sub list_logins { 1566sub list_logins {
1059 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1567 my $dirs = aio_readdir $PLAYERDIR
1060 or return []; 1568 or return [];
1061 1569
1062 my @logins; 1570 my @logins;
1063 1571
1064 for my $login (@$dirs) { 1572 for my $login (@$dirs) {
1573 my $path = path $login;
1574
1575 # a .pst is a dead give-away for a valid player
1576 # if no pst file found, open and chekc for blocked users
1577 if (aio_stat "$path.pst") {
1065 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1578 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066 aio_read $fh, 0, 512, my $buf, 0 or next; 1579 aio_read $fh, 0, 512, my $buf, 0 or next;
1067 $buf !~ /^password -------------$/m or next; # official not-valid tag 1580 $buf !~ /^password -------------$/m or next; # official not-valid tag
1581 }
1068 1582
1069 utf8::decode $login; 1583 utf8::decode $login;
1070 push @logins, $login; 1584 push @logins, $login;
1071 } 1585 }
1072 1586
1099 } 1613 }
1100 1614
1101 \@paths 1615 \@paths
1102} 1616}
1103 1617
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1619
1620Expand crossfire pod fragments into protocol xml.
1621
1622=cut
1623
1624use re 'eval';
1625
1626my $group;
1627my $interior; $interior = qr{
1628 # match a pod interior sequence sans C<< >>
1629 (?:
1630 \ (.*?)\ (?{ $group = $^N })
1631 | < (??{$interior}) >
1632 )
1633}x;
1634
1635sub expand_cfpod {
1636 my ($self, $pod) = @_;
1637
1638 my $xml;
1639
1640 while () {
1641 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642 $group = $1;
1643
1644 $group =~ s/&/&amp;/g;
1645 $group =~ s/</&lt;/g;
1646
1647 $xml .= $group;
1648 } elsif ($pod =~ m%\G
1649 ([BCGHITU])
1650 <
1651 (?:
1652 ([^<>]*) (?{ $group = $^N })
1653 | < $interior >
1654 )
1655 >
1656 %gcsx
1657 ) {
1658 my ($code, $data) = ($1, $group);
1659
1660 if ($code eq "B") {
1661 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662 } elsif ($code eq "I") {
1663 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664 } elsif ($code eq "U") {
1665 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666 } elsif ($code eq "C") {
1667 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668 } elsif ($code eq "T") {
1669 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670 } elsif ($code eq "G") {
1671 my ($male, $female) = split /\|/, $data;
1672 $data = $self->gender ? $female : $male;
1673 $xml .= expand_cfpod ($self, $data);
1674 } elsif ($code eq "H") {
1675 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677 "")
1678 [$self->{hintmode}];
1679 } else {
1680 $xml .= "error processing '$code($data)' directive";
1681 }
1682 } else {
1683 if ($pod =~ /\G(.+)/) {
1684 warn "parse error while expanding $pod (at $1)";
1685 }
1686 last;
1687 }
1688 }
1689
1690 for ($xml) {
1691 # create single paragraphs (very hackish)
1692 s/(?<=\S)\n(?=\w)/ /g;
1693
1694 # compress some whitespace
1695 s/\s+\n/\n/g; # ws line-ends
1696 s/\n\n+/\n/g; # double lines
1697 s/^\n+//; # beginning lines
1698 s/\n+$//; # ending lines
1699 }
1700
1701 $xml
1702}
1703
1704no re 'eval';
1705
1706sub hintmode {
1707 $_[0]{hintmode} = $_[1] if @_ > 1;
1708 $_[0]{hintmode}
1709}
1710
1104=item $player->ext_reply ($msgid, $msgtype, %msg) 1711=item $player->ext_reply ($msgid, @msg)
1105 1712
1106Sends an ext reply to the player. 1713Sends an ext reply to the player.
1107 1714
1108=cut 1715=cut
1109 1716
1110sub ext_reply($$$%) { 1717sub ext_reply($$@) {
1111 my ($self, $id, %msg) = @_; 1718 my ($self, $id, @msg) = @_;
1112 1719
1113 $msg{msgid} = $id; 1720 $self->ns->ext_reply ($id, @msg)
1114
1115 $self->send ("ext " . cf::to_json \%msg);
1116} 1721}
1117 1722
1118package cf; 1723=item $player->ext_msg ($type, @msg)
1724
1725Sends an ext event to the client.
1726
1727=cut
1728
1729sub ext_msg($$@) {
1730 my ($self, $type, @msg) = @_;
1731
1732 $self->ns->ext_msg ($type, @msg);
1733}
1734
1735=head3 cf::region
1736
1737=over 4
1738
1739=cut
1740
1741package cf::region;
1742
1743=item cf::region::find_by_path $path
1744
1745Tries to decuce the likely region for a map knowing only its path.
1746
1747=cut
1748
1749sub find_by_path($) {
1750 my ($path) = @_;
1751
1752 my ($match, $specificity);
1753
1754 for my $region (list) {
1755 if ($region->{match} && $path =~ $region->{match}) {
1756 ($match, $specificity) = ($region, $region->specificity)
1757 if $region->specificity > $specificity;
1758 }
1759 }
1760
1761 $match
1762}
1119 1763
1120=back 1764=back
1121
1122 1765
1123=head3 cf::map 1766=head3 cf::map
1124 1767
1125=over 4 1768=over 4
1126 1769
1138our $MAX_RESET = 3600; 1781our $MAX_RESET = 3600;
1139our $DEFAULT_RESET = 3000; 1782our $DEFAULT_RESET = 3000;
1140 1783
1141sub generate_random_map { 1784sub generate_random_map {
1142 my ($self, $rmp) = @_; 1785 my ($self, $rmp) = @_;
1786
1787 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1788
1143 # mit "rum" bekleckern, nicht 1789 # mit "rum" bekleckern, nicht
1144 $self->_create_random_map ( 1790 $self->_create_random_map (
1145 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1791 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1792 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1793 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1181 my ($self, $merge) = @_; 1827 my ($self, $merge) = @_;
1182 1828
1183 # we have to keep some variables in memory intact 1829 # we have to keep some variables in memory intact
1184 local $self->{path}; 1830 local $self->{path};
1185 local $self->{load_path}; 1831 local $self->{load_path};
1186 local $self->{deny_save};
1187 local $self->{deny_reset};
1188 1832
1189 $self->SUPER::thawer_merge ($merge); 1833 $self->SUPER::thawer_merge ($merge);
1190} 1834}
1191 1835
1192sub normalise { 1836sub normalise {
1239 $self->init; # pass $1 etc. 1883 $self->init; # pass $1 etc.
1240 return $self; 1884 return $self;
1241 } 1885 }
1242 } 1886 }
1243 1887
1244 Carp::carp "unable to resolve path '$path' (base '$base')."; 1888 Carp::cluck "unable to resolve path '$path' (base '$base').";
1245 () 1889 ()
1246} 1890}
1247 1891
1248sub init { 1892sub init {
1249 my ($self) = @_; 1893 my ($self) = @_;
1264 1908
1265# the original (read-only) location 1909# the original (read-only) location
1266sub load_path { 1910sub load_path {
1267 my ($self) = @_; 1911 my ($self) = @_;
1268 1912
1269 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1913 "$MAPDIR/$self->{path}.map"
1270} 1914}
1271 1915
1272# the temporary/swap location 1916# the temporary/swap location
1273sub save_path { 1917sub save_path {
1274 my ($self) = @_; 1918 my ($self) = @_;
1275 1919
1276 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1920 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1921 "$TMPDIR/$path.map"
1278} 1922}
1279 1923
1280# the unique path, undef == no special unique path 1924# the unique path, undef == no special unique path
1281sub uniq_path { 1925sub uniq_path {
1282 my ($self) = @_; 1926 my ($self) = @_;
1283 1927
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1929 "$UNIQUEDIR/$path"
1286} 1930}
1287 1931
1288# and all this just because we cannot iterate over 1932# and all this just because we cannot iterate over
1289# all maps in C++... 1933# all maps in C++...
1290sub change_all_map_light { 1934sub change_all_map_light {
1292 1936
1293 $_->change_map_light ($change) 1937 $_->change_map_light ($change)
1294 for grep $_->outdoor, values %cf::MAP; 1938 for grep $_->outdoor, values %cf::MAP;
1295} 1939}
1296 1940
1941sub decay_objects {
1942 my ($self) = @_;
1943
1944 return if $self->{deny_reset};
1945
1946 $self->do_decay_objects;
1947}
1948
1297sub unlink_save { 1949sub unlink_save {
1298 my ($self) = @_; 1950 my ($self) = @_;
1299 1951
1300 utf8::encode (my $save = $self->save_path); 1952 utf8::encode (my $save = $self->save_path);
1301 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1953 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1304 1956
1305sub load_header_from($) { 1957sub load_header_from($) {
1306 my ($self, $path) = @_; 1958 my ($self, $path) = @_;
1307 1959
1308 utf8::encode $path; 1960 utf8::encode $path;
1309 #aio_open $path, O_RDONLY, 0 1961 my $f = new_from_file cf::object::thawer $path
1310 # or return;
1311
1312 $self->_load_header ($path)
1313 or return; 1962 or return;
1963
1964 $self->_load_header ($f)
1965 or return;
1966
1967 local $MAP_LOADING{$self->{path}} = $self;
1968 $f->resolve_delayed_derefs;
1314 1969
1315 $self->{load_path} = $path; 1970 $self->{load_path} = $path;
1316 1971
1317 1 1972 1
1318} 1973}
1357 $self->load_header_orig 2012 $self->load_header_orig
1358 or return; 2013 or return;
1359 $self->prepare_orig; 2014 $self->prepare_orig;
1360 } 2015 }
1361 2016
2017 $self->{deny_reset} = 1
2018 if $self->no_reset;
2019
2020 $self->default_region (cf::region::find_by_path $self->{path})
2021 unless $self->default_region;
2022
1362 1 2023 1
1363} 2024}
1364 2025
1365sub find; 2026sub find;
1366sub find { 2027sub find {
1367 my ($path, $origin) = @_; 2028 my ($path, $origin) = @_;
1368 2029
1369 $path = normalise $path, $origin && $origin->path; 2030 $path = normalise $path, $origin && $origin->path;
1370 2031
2032 cf::lock_wait "map_data:$path";#d#remove
1371 cf::lock_wait "map_find:$path"; 2033 cf::lock_wait "map_find:$path";
1372 2034
1373 $cf::MAP{$path} || do { 2035 $cf::MAP{$path} || do {
1374 my $guard = cf::lock_acquire "map_find:$path"; 2036 my $guard1 = cf::lock_acquire "map_find:$path";
2037 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2038
1375 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1376 or return; 2040 or return;
1377 2041
1378 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1379 2043
1380 $map->load_header 2044 $map->load_header
1381 or return; 2045 or return;
1382 2046
1383 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1385 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard1;
2051 undef $guard2;
1386 $map->reset; 2052 $map->reset;
1387 undef $guard;
1388 return find $path; 2053 return find $path;
1389 } 2054 }
1390 2055
1391 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1392 } 2057 }
1399 my ($self) = @_; 2064 my ($self) = @_;
1400 2065
1401 local $self->{deny_reset} = 1; # loading can take a long time 2066 local $self->{deny_reset} = 1; # loading can take a long time
1402 2067
1403 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1404 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1405 2072
2073 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 2075
1408 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1409 2077
1410 $self->alloc; 2078 $self->alloc;
1411 2079
1412 $self->pre_load; 2080 $self->pre_load;
2081 cf::cede_to_tick;
1413 2082
1414 $self->_load_objects ($self->{load_path}, 1) 2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1415 or return; 2086 or return;
1416 2087
1417 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1419 2090
1420 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1421 utf8::encode $uniq; 2092 utf8::encode $uniq;
1422 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1423 $self->clear_unique_items; 2095 $self->clear_unique_items;
1424 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1425 } 2099 }
1426 } 2100 }
1427 2101
1428 Coro::cede; 2102 $f->resolve_delayed_derefs;
1429 2103
2104 cf::cede_to_tick;
1430 # now do the right thing for maps 2105 # now do the right thing for maps
1431 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1432
1433 unless ($self->{deny_activate}) {
1434 $self->decay_objects;
1435 $self->fix_auto_apply;
1436 $self->update_buttons;
1437 Coro::cede;
1438 $self->set_darkness_map;
1439 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1440 unless $self->difficulty; 2108 unless $self->difficulty;
1441 Coro::cede; 2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
2116 $self->set_darkness_map;
2117 cf::cede_to_tick;
1442 $self->activate; 2118 $self->activate;
2119 }
2120
2121 $self->{last_save} = $cf::RUNTIME;
2122 $self->last_access ($cf::RUNTIME);
2123
2124 $self->in_memory (cf::MAP_ACTIVE);
1443 } 2125 }
1444 2126
1445 $self->post_load; 2127 $self->post_load;
1446
1447 $self->in_memory (cf::MAP_IN_MEMORY);
1448} 2128}
1449 2129
1450sub customise_for { 2130sub customise_for {
1451 my ($self, $ob) = @_; 2131 my ($self, $ob) = @_;
1452 2132
1453 return find "~" . $ob->name . "/" . $self->{path} 2133 return find "~" . $ob->name . "/" . $self->{path}
1454 if $self->per_player; 2134 if $self->per_player;
1455 2135
2136# return find "?party/" . $ob->name . "/" . $self->{path}
2137# if $self->per_party;
2138
1456 $self 2139 $self
1457} 2140}
1458 2141
1459# find and load all maps in the 3x3 area around a map 2142# find and load all maps in the 3x3 area around a map
1460sub load_diag { 2143sub load_neighbours {
1461 my ($map) = @_; 2144 my ($map) = @_;
1462 2145
1463 my @diag; # diagonal neighbours 2146 my @neigh; # diagonal neighbours
1464 2147
1465 for (0 .. 3) { 2148 for (0 .. 3) {
1466 my $neigh = $map->tile_path ($_) 2149 my $neigh = $map->tile_path ($_)
1467 or next; 2150 or next;
1468 $neigh = find $neigh, $map 2151 $neigh = find $neigh, $map
1469 or next; 2152 or next;
1470 $neigh->load; 2153 $neigh->load;
1471 2154
2155 push @neigh,
1472 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2156 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1473 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2157 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1474 } 2158 }
1475 2159
1476 for (@diag) { 2160 for (grep defined $_->[0], @neigh) {
2161 my ($path, $origin) = @$_;
1477 my $neigh = find @$_ 2162 my $neigh = find $path, $origin
1478 or next; 2163 or next;
1479 $neigh->load; 2164 $neigh->load;
1480 } 2165 }
1481} 2166}
1482 2167
1487} 2172}
1488 2173
1489sub do_load_sync { 2174sub do_load_sync {
1490 my ($map) = @_; 2175 my ($map) = @_;
1491 2176
2177 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2178 if $Coro::current == $Coro::main;
2179
1492 cf::sync_job { $map->load }; 2180 cf::sync_job { $map->load };
1493} 2181}
1494 2182
1495our %MAP_PREFETCH; 2183our %MAP_PREFETCH;
1496our $MAP_PREFETCHER = undef; 2184our $MAP_PREFETCHER = undef;
1497 2185
1498sub find_async { 2186sub find_async {
1499 my ($path, $origin) = @_; 2187 my ($path, $origin, $load) = @_;
1500 2188
1501 $path = normalise $path, $origin && $origin->{path}; 2189 $path = normalise $path, $origin && $origin->{path};
1502 2190
1503 if (my $map = $cf::MAP{$path}) { 2191 if (my $map = $cf::MAP{$path}) {
1504 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2192 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505 } 2193 }
1506 2194
1507 undef $MAP_PREFETCH{$path}; 2195 $MAP_PREFETCH{$path} |= $load;
2196
1508 $MAP_PREFETCHER ||= cf::async { 2197 $MAP_PREFETCHER ||= cf::async {
2198 $Coro::current->{desc} = "map prefetcher";
2199
1509 while (%MAP_PREFETCH) { 2200 while (%MAP_PREFETCH) {
1510 for my $path (keys %MAP_PREFETCH) { 2201 while (my ($k, $v) = each %MAP_PREFETCH) {
1511 my $map = find $path 2202 if (my $map = find $k) {
1512 or next;
1513 $map->load; 2203 $map->load if $v;
2204 }
1514 2205
1515 delete $MAP_PREFETCH{$path}; 2206 delete $MAP_PREFETCH{$k};
1516 } 2207 }
1517 } 2208 }
1518 undef $MAP_PREFETCHER; 2209 undef $MAP_PREFETCHER;
1519 }; 2210 };
1520 $MAP_PREFETCHER->prio (6); 2211 $MAP_PREFETCHER->prio (6);
1523} 2214}
1524 2215
1525sub save { 2216sub save {
1526 my ($self) = @_; 2217 my ($self) = @_;
1527 2218
1528 my $lock = cf::lock_acquire "map_data:" . $self->path; 2219 my $lock = cf::lock_acquire "map_data:$self->{path}";
1529 2220
1530 $self->{last_save} = $cf::RUNTIME; 2221 $self->{last_save} = $cf::RUNTIME;
1531 2222
1532 return unless $self->dirty; 2223 return unless $self->dirty;
1533 2224
1539 return if $self->{deny_save}; 2230 return if $self->{deny_save};
1540 2231
1541 local $self->{last_access} = $self->last_access;#d# 2232 local $self->{last_access} = $self->last_access;#d#
1542 2233
1543 cf::async { 2234 cf::async {
2235 $Coro::current->{desc} = "map player save";
1544 $_->contr->save for $self->players; 2236 $_->contr->save for $self->players;
1545 }; 2237 };
2238
2239 cf::get_slot 0.02;
1546 2240
1547 if ($uniq) { 2241 if ($uniq) {
1548 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1550 } else { 2244 } else {
1556 my ($self) = @_; 2250 my ($self) = @_;
1557 2251
1558 # save first because save cedes 2252 # save first because save cedes
1559 $self->save; 2253 $self->save;
1560 2254
1561 my $lock = cf::lock_acquire "map_data:" . $self->path; 2255 my $lock = cf::lock_acquire "map_data:$self->{path}";
1562 2256
1563 return if $self->players; 2257 return if $self->players;
1564 return if $self->in_memory != cf::MAP_IN_MEMORY; 2258 return if $self->in_memory != cf::MAP_ACTIVE;
1565 return if $self->{deny_save}; 2259 return if $self->{deny_save};
1566 2260
2261 $self->in_memory (cf::MAP_SWAPPED);
2262
2263 $self->deactivate;
2264 $_->clear_links_to ($self) for values %cf::MAP;
1567 $self->clear; 2265 $self->clear;
1568 $self->in_memory (cf::MAP_SWAPPED);
1569} 2266}
1570 2267
1571sub reset_at { 2268sub reset_at {
1572 my ($self) = @_; 2269 my ($self) = @_;
1573 2270
1574 # TODO: safety, remove and allow resettable per-player maps 2271 # TODO: safety, remove and allow resettable per-player maps
1575 return 1e99 if $self->isa ("ext::map_per_player");#d#
1576 return 1e99 if $self->{deny_reset}; 2272 return 1e99 if $self->{deny_reset};
1577 2273
1578 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2274 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2275 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580 2276
1591 my ($self) = @_; 2287 my ($self) = @_;
1592 2288
1593 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2289 my $lock = cf::lock_acquire "map_data:$self->{path}";
1594 2290
1595 return if $self->players; 2291 return if $self->players;
1596 return if $self->isa ("ext::map_per_player");#d#
1597 2292
1598 warn "resetting map ", $self->path;#d# 2293 warn "resetting map ", $self->path;
1599 2294
1600 $self->in_memory (cf::MAP_SWAPPED); 2295 $self->in_memory (cf::MAP_SWAPPED);
1601 2296
1602 # need to save uniques path 2297 # need to save uniques path
1603 unless ($self->{deny_save}) { 2298 unless ($self->{deny_save}) {
1607 if $uniq; 2302 if $uniq;
1608 } 2303 }
1609 2304
1610 delete $cf::MAP{$self->path}; 2305 delete $cf::MAP{$self->path};
1611 2306
2307 $self->deactivate;
2308 $_->clear_links_to ($self) for values %cf::MAP;
1612 $self->clear; 2309 $self->clear;
1613
1614 $_->clear_links_to ($self) for values %cf::MAP;
1615 2310
1616 $self->unlink_save; 2311 $self->unlink_save;
1617 $self->destroy; 2312 $self->destroy;
1618} 2313}
1619 2314
1620my $nuke_counter = "aaaa"; 2315my $nuke_counter = "aaaa";
1621 2316
1622sub nuke { 2317sub nuke {
1623 my ($self) = @_; 2318 my ($self) = @_;
1624 2319
2320 {
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
1625 delete $cf::MAP{$self->path}; 2323 delete $cf::MAP{$self->path};
1626 2324
1627 $self->unlink_save; 2325 $self->unlink_save;
1628 2326
1629 bless $self, "cf::map"; 2327 bless $self, "cf::map";
1630 delete $self->{deny_reset}; 2328 delete $self->{deny_reset};
1631 $self->{deny_save} = 1; 2329 $self->{deny_save} = 1;
1632 $self->reset_timeout (1); 2330 $self->reset_timeout (1);
1633 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2331 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634 2332
1635 $cf::MAP{$self->path} = $self; 2333 $cf::MAP{$self->path} = $self;
2334 }
1636 2335
1637 $self->reset; # polite request, might not happen 2336 $self->reset; # polite request, might not happen
2337}
2338
2339=item $maps = cf::map::tmp_maps
2340
2341Returns an arrayref with all map paths of currently instantiated and saved
2342maps. May block.
2343
2344=cut
2345
2346sub tmp_maps() {
2347 [
2348 map {
2349 utf8::decode $_;
2350 /\.map$/
2351 ? normalise $_
2352 : ()
2353 } @{ aio_readdir $TMPDIR or [] }
2354 ]
2355}
2356
2357=item $maps = cf::map::random_maps
2358
2359Returns an arrayref with all map paths of currently instantiated and saved
2360random maps. May block.
2361
2362=cut
2363
2364sub random_maps() {
2365 [
2366 map {
2367 utf8::decode $_;
2368 /\.map$/
2369 ? normalise "?random/$_"
2370 : ()
2371 } @{ aio_readdir $RANDOMDIR or [] }
2372 ]
1638} 2373}
1639 2374
1640=item cf::map::unique_maps 2375=item cf::map::unique_maps
1641 2376
1642Returns an arrayref of paths of all shared maps that have 2377Returns an arrayref of paths of all shared maps that have
1643instantiated unique items. May block. 2378instantiated unique items. May block.
1644 2379
1645=cut 2380=cut
1646 2381
1647sub unique_maps() { 2382sub unique_maps() {
1648 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2383 [
1649 or return; 2384 map {
1650
1651 my @paths;
1652
1653 for (@$files) {
1654 utf8::decode $_; 2385 utf8::decode $_;
1655 next if /\.pst$/; 2386 s/\.map$//; # TODO future compatibility hack
1656 next unless /^$PATH_SEP/o; 2387 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657 2388 ? ()
1658 push @paths, cf::map::normalise $_; 2389 : normalise $_
2390 } @{ aio_readdir $UNIQUEDIR or [] }
1659 } 2391 ]
1660
1661 \@paths
1662} 2392}
1663
1664package cf;
1665 2393
1666=back 2394=back
1667 2395
1668=head3 cf::object 2396=head3 cf::object
1669 2397
1673 2401
1674=over 4 2402=over 4
1675 2403
1676=item $ob->inv_recursive 2404=item $ob->inv_recursive
1677 2405
1678Returns the inventory of the object _and_ their inventories, recursively. 2406Returns the inventory of the object I<and> their inventories, recursively,
2407but I<not> the object itself.
1679 2408
1680=cut 2409=cut
1681 2410
1682sub inv_recursive_; 2411sub inv_recursive_;
1683sub inv_recursive_ { 2412sub inv_recursive_ {
1684 map { $_, inv_recursive_ $_->inv } @_ 2413 map { $_, inv_recursive_ $_->inv } @_
1685} 2414}
1686 2415
1687sub inv_recursive { 2416sub inv_recursive {
1688 inv_recursive_ inv $_[0] 2417 inv_recursive_ inv $_[0]
2418}
2419
2420=item $ref = $ob->ref
2421
2422Creates and returns a persistent reference to an object that can be stored as a string.
2423
2424=item $ob = cf::object::deref ($refstring)
2425
2426returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2427even if the object actually exists. May block.
2428
2429=cut
2430
2431sub deref {
2432 my ($ref) = @_;
2433
2434 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2435 my ($uuid, $name) = ($1, $2);
2436 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2437 or return;
2438 $pl->ob->uuid eq $uuid
2439 or return;
2440
2441 $pl->ob
2442 } else {
2443 warn "$ref: cannot resolve object reference\n";
2444 undef
2445 }
1689} 2446}
1690 2447
1691package cf; 2448package cf;
1692 2449
1693=back 2450=back
1712 2469
1713 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2470 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714 2471
1715 if ($self->{record_replies}) { 2472 if ($self->{record_replies}) {
1716 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2473 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2474
1717 } else { 2475 } else {
2476 my $pl = $self->contr;
2477
2478 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2479 my $dialog = $pl->{npc_dialog};
2480 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2481
2482 } else {
1718 $msg = $npc->name . " says: $msg" if $npc; 2483 $msg = $npc->name . " says: $msg" if $npc;
1719 $self->message ($msg, $flags); 2484 $self->message ($msg, $flags);
2485 }
1720 } 2486 }
2487}
2488
2489=item $object->send_msg ($channel, $msg, $color, [extra...])
2490
2491=cut
2492
2493sub cf::object::send_msg {
2494 my $pl = shift->contr
2495 or return;
2496 $pl->send_msg (@_);
1721} 2497}
1722 2498
1723=item $player_object->may ("access") 2499=item $player_object->may ("access")
1724 2500
1725Returns wether the given player is authorized to access resource "access" 2501Returns wether the given player is authorized to access resource "access"
1772 $self->deactivate_recursive; 2548 $self->deactivate_recursive;
1773 2549
1774 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2550 return if UNIVERSAL::isa $self->map, "ext::map_link";
1775 2551
1776 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2552 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777 if $self->map; 2553 if $self->map && $self->map->{path} ne "{link}";
1778 2554
1779 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2555 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1780} 2556}
1781 2557
1782sub cf::object::player::leave_link { 2558sub cf::object::player::leave_link {
1783 my ($self, $map, $x, $y) = @_; 2559 my ($self, $map, $x, $y) = @_;
2560
2561 return unless $self->contr->active;
1784 2562
1785 my $link_pos = delete $self->{_link_pos}; 2563 my $link_pos = delete $self->{_link_pos};
1786 2564
1787 unless ($map) { 2565 unless ($map) {
1788 # restore original map position 2566 # restore original map position
1802 # use -1 or undef as default coordinates, not 0, 0 2580 # use -1 or undef as default coordinates, not 0, 0
1803 ($x, $y) = ($map->enter_x, $map->enter_y) 2581 ($x, $y) = ($map->enter_x, $map->enter_y)
1804 if $x <=0 && $y <= 0; 2582 if $x <=0 && $y <= 0;
1805 2583
1806 $map->load; 2584 $map->load;
1807 $map->load_diag; 2585 $map->load_neighbours;
1808 2586
1809 return unless $self->contr->active; 2587 return unless $self->contr->active;
1810 $self->activate_recursive; 2588 $self->activate_recursive;
1811 2589
1812 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2590 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 2591 $self->enter_map ($map, $x, $y);
1814} 2592}
1815 2593
1816cf::player->attach ( 2594=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817 on_logout => sub {
1818 my ($pl) = @_;
1819 2595
1820 # abort map switching before logout 2596Moves the player to the given map-path and coordinates by first freezing
1821 if ($pl->ob->{_link_pos}) { 2597her, loading and preparing them map, calling the provided $check callback
1822 cf::sync_job { 2598that has to return the map if sucecssful, and then unfreezes the player on
1823 $pl->ob->leave_link 2599the new (success) or old (failed) map position. In either case, $done will
1824 }; 2600be called at the end of this process.
1825 }
1826 },
1827 on_login => sub {
1828 my ($pl) = @_;
1829 2601
1830 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link;
1834 (async {
1835 $pl->ob->reply (undef,
1836 "There was an internal problem at your last logout, "
1837 . "the server will try to bring you to your intended destination in a second.",
1838 cf::NDI_RED);
1839 # we need this sleep as the login has a concurrent enter_exit running
1840 # and this sleep increases chances of the player not ending up in scorn
1841 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link;
1843 })->prio (2);
1844 }
1845 },
1846);
1847
1848=item $player_object->goto ($path, $x, $y)
1849
1850=cut 2602=cut
2603
2604our $GOTOGEN;
1851 2605
1852sub cf::object::player::goto { 2606sub cf::object::player::goto {
1853 my ($self, $path, $x, $y) = @_; 2607 my ($self, $path, $x, $y, $check, $done) = @_;
2608
2609 # do generation counting so two concurrent goto's will be executed in-order
2610 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854 2611
1855 $self->enter_link; 2612 $self->enter_link;
1856 2613
1857 (async { 2614 (async {
2615 $Coro::current->{desc} = "player::goto $path $x $y";
2616
2617 # *tag paths override both path and x|y
2618 if ($path =~ /^\*(.*)$/) {
2619 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2620 my $ob = $obs[rand @obs];
2621
2622 # see if we actually can go there
2623 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2624 $ob = $obs[rand @obs];
2625 } else {
2626 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2627 }
2628 # else put us there anyways for now #d#
2629
2630 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2631 } else {
2632 ($path, $x, $y) = (undef, undef, undef);
2633 }
2634 }
2635
1858 my $map = eval { 2636 my $map = eval {
1859 my $map = cf::map::find $path; 2637 my $map = defined $path ? cf::map::find $path : undef;
2638
2639 if ($map) {
1860 $map = $map->customise_for ($self) if $map; 2640 $map = $map->customise_for ($self);
2641 $map = $check->($map) if $check && $map;
2642 } else {
2643 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2644 }
2645
1861 $map 2646 $map
2647 };
2648
2649 if ($@) {
2650 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2651 LOG llevError | logBacktrace, Carp::longmess $@;
1862 } or 2652 }
1863 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864 2653
2654 if ($gen == $self->{_goto_generation}) {
2655 delete $self->{_goto_generation};
1865 $self->leave_link ($map, $x, $y); 2656 $self->leave_link ($map, $x, $y);
2657 }
2658
2659 $done->() if $done;
1866 })->prio (1); 2660 })->prio (1);
1867} 2661}
1868 2662
1869=item $player_object->enter_exit ($exit_object) 2663=item $player_object->enter_exit ($exit_object)
1870 2664
1907 $rmp->{origin_y} = $exit->y; 2701 $rmp->{origin_y} = $exit->y;
1908 } 2702 }
1909 2703
1910 $rmp->{random_seed} ||= $exit->random_seed; 2704 $rmp->{random_seed} ||= $exit->random_seed;
1911 2705
1912 my $data = cf::to_json $rmp; 2706 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913 my $md5 = Digest::MD5::md5_hex $data; 2707 my $md5 = Digest::MD5::md5_hex $data;
1914 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2708 my $meta = "$RANDOMDIR/$md5.meta";
1915 2709
1916 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2710 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917 aio_write $fh, 0, (length $data), $data, 0; 2711 aio_write $fh, 0, (length $data), $data, 0;
1918 undef $fh; 2712 undef $fh;
1919 aio_rename "$meta~", $meta; 2713 aio_rename "$meta~", $meta;
1928 2722
1929 return unless $self->type == cf::PLAYER; 2723 return unless $self->type == cf::PLAYER;
1930 2724
1931 if ($exit->slaying eq "/!") { 2725 if ($exit->slaying eq "/!") {
1932 #TODO: this should de-fi-ni-te-ly not be a sync-job 2726 #TODO: this should de-fi-ni-te-ly not be a sync-job
2727 # the problem is that $exit might not survive long enough
2728 # so it needs to be done right now, right here
1933 cf::sync_job { prepare_random_map $exit }; 2729 cf::sync_job { prepare_random_map $exit };
1934 } 2730 }
1935 2731
1936 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2732 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937 my $hp = $exit->stats->hp; 2733 my $hp = $exit->stats->hp;
1938 my $sp = $exit->stats->sp; 2734 my $sp = $exit->stats->sp;
1939 2735
1940 $self->enter_link; 2736 $self->enter_link;
1941 2737
2738 # if exit is damned, update players death & WoR home-position
2739 $self->contr->savebed ($slaying, $hp, $sp)
2740 if $exit->flag (FLAG_DAMNED);
2741
1942 (async { 2742 (async {
2743 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2744
1943 $self->deactivate_recursive; # just to be sure 2745 $self->deactivate_recursive; # just to be sure
1944 unless (eval { 2746 unless (eval {
1945 $self->goto ($slaying, $hp, $sp); 2747 $self->goto ($slaying, $hp, $sp);
1946 2748
1947 1; 2749 1;
1948 }) { 2750 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2751 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "I'll try to bring you back to the map you were before. " 2752 . "I'll try to bring you back to the map you were before. "
1951 . "Please report this to the dungeon master!", 2753 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2754 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2755
1954 warn "ERROR in enter_exit: $@"; 2756 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2757 $self->leave_link;
1956 } 2758 }
1957 })->prio (1); 2759 })->prio (1);
1970 2772
1971sub cf::client::send_drawinfo { 2773sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2774 my ($self, $text, $flags) = @_;
1973 2775
1974 utf8::encode $text; 2776 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2777 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2778}
1977 2779
2780=item $client->send_msg ($channel, $msg, $color, [extra...])
2781
2782Send a drawinfo or msg packet to the client, formatting the msg for the
2783client if neccessary. C<$type> should be a string identifying the type of
2784the message, with C<log> being the default. If C<$color> is negative, suppress
2785the message unless the client supports the msg packet.
2786
2787=cut
2788
2789# non-persistent channels (usually the info channel)
2790our %CHANNEL = (
2791 "c/identify" => {
2792 id => "infobox",
2793 title => "Identify",
2794 reply => undef,
2795 tooltip => "Items recently identified",
2796 },
2797 "c/examine" => {
2798 id => "infobox",
2799 title => "Examine",
2800 reply => undef,
2801 tooltip => "Signs and other items you examined",
2802 },
2803 "c/book" => {
2804 id => "infobox",
2805 title => "Book",
2806 reply => undef,
2807 tooltip => "The contents of a note or book",
2808 },
2809 "c/lookat" => {
2810 id => "infobox",
2811 title => "Look",
2812 reply => undef,
2813 tooltip => "What you saw there",
2814 },
2815 "c/who" => {
2816 id => "infobox",
2817 title => "Players",
2818 reply => undef,
2819 tooltip => "Shows players who are currently online",
2820 },
2821 "c/body" => {
2822 id => "infobox",
2823 title => "Body Parts",
2824 reply => undef,
2825 tooltip => "Shows which body parts you posess and are available",
2826 },
2827 "c/uptime" => {
2828 id => "infobox",
2829 title => "Uptime",
2830 reply => undef,
2831 tooltip => "How long the server has been running since last restart",
2832 },
2833 "c/mapinfo" => {
2834 id => "infobox",
2835 title => "Map Info",
2836 reply => undef,
2837 tooltip => "Information related to the maps",
2838 },
2839 "c/party" => {
2840 id => "party",
2841 title => "Party",
2842 reply => "gsay ",
2843 tooltip => "Messages and chat related to your party",
2844 },
2845);
2846
2847sub cf::client::send_msg {
2848 my ($self, $channel, $msg, $color, @extra) = @_;
2849
2850 $msg = $self->pl->expand_cfpod ($msg);
2851
2852 $color &= cf::NDI_CLIENT_MASK; # just in case...
2853
2854 # check predefined channels, for the benefit of C
2855 if ($CHANNEL{$channel}) {
2856 $channel = $CHANNEL{$channel};
2857
2858 $self->ext_msg (channel_info => $channel)
2859 if $self->can_msg;
2860
2861 $channel = $channel->{id};
2862
2863 } elsif (ref $channel) {
2864 # send meta info to client, if not yet sent
2865 unless (exists $self->{channel}{$channel->{id}}) {
2866 $self->{channel}{$channel->{id}} = $channel;
2867 $self->ext_msg (channel_info => $channel)
2868 if $self->can_msg;
2869 }
2870
2871 $channel = $channel->{id};
2872 }
2873
2874 return unless @extra || length $msg;
2875
2876 if ($self->can_msg) {
2877 # default colour, mask it out
2878 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879 if $color & cf::NDI_DEF;
2880
2881 $self->send_packet ("msg " . $self->{json_coder}->encode (
2882 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2883 } else {
2884 if ($color >= 0) {
2885 # replace some tags by gcfclient-compatible ones
2886 for ($msg) {
2887 1 while
2888 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2889 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2890 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2891 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2892 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2893 }
2894
2895 $color &= cf::NDI_COLOR_MASK;
2896
2897 utf8::encode $msg;
2898
2899 if (0 && $msg =~ /\[/) {
2900 # COMMAND/INFO
2901 $self->send_packet ("drawextinfo $color 10 8 $msg")
2902 } else {
2903 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2904 $self->send_packet ("drawinfo $color $msg")
2905 }
2906 }
2907 }
2908}
2909
2910=item $client->ext_msg ($type, @msg)
2911
2912Sends an ext event to the client.
2913
2914=cut
2915
2916sub cf::client::ext_msg($$@) {
2917 my ($self, $type, @msg) = @_;
2918
2919 if ($self->extcmd == 2) {
2920 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2921 } elsif ($self->extcmd == 1) { # TODO: remove
2922 push @msg, msgtype => "event_$type";
2923 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2924 }
2925}
2926
2927=item $client->ext_reply ($msgid, @msg)
2928
2929Sends an ext reply to the client.
2930
2931=cut
2932
2933sub cf::client::ext_reply($$@) {
2934 my ($self, $id, @msg) = @_;
2935
2936 if ($self->extcmd == 2) {
2937 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2938 } elsif ($self->extcmd == 1) {
2939 #TODO: version 1, remove
2940 unshift @msg, msgtype => "reply", msgid => $id;
2941 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2942 }
2943}
1978 2944
1979=item $success = $client->query ($flags, "text", \&cb) 2945=item $success = $client->query ($flags, "text", \&cb)
1980 2946
1981Queues a query to the client, calling the given callback with 2947Queues a query to the client, calling the given callback with
1982the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2948the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2949C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984 2950
1985Queries can fail, so check the return code. Or don't, as queries will become 2951Queries can fail, so check the return code. Or don't, as queries will
1986reliable at some point in the future. 2952become reliable at some point in the future.
1987 2953
1988=cut 2954=cut
1989 2955
1990sub cf::client::query { 2956sub cf::client::query {
1991 my ($self, $flags, $text, $cb) = @_; 2957 my ($self, $flags, $text, $cb) = @_;
1999 utf8::encode $text; 2965 utf8::encode $text;
2000 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2966 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001 2967
2002 $self->send_packet ($self->{query_queue}[0][0]) 2968 $self->send_packet ($self->{query_queue}[0][0])
2003 if @{ $self->{query_queue} } == 1; 2969 if @{ $self->{query_queue} } == 1;
2970
2971 1
2004} 2972}
2005 2973
2006cf::client->attach ( 2974cf::client->attach (
2975 on_connect => sub {
2976 my ($ns) = @_;
2977
2978 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2979 },
2007 on_reply => sub { 2980 on_reply => sub {
2008 my ($ns, $msg) = @_; 2981 my ($ns, $msg) = @_;
2009 2982
2010 # this weird shuffling is so that direct followup queries 2983 # this weird shuffling is so that direct followup queries
2011 # get handled first 2984 # get handled first
2023 } else { 2996 } else {
2024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2997 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025 } 2998 }
2026 } 2999 }
2027 }, 3000 },
3001 on_exticmd => sub {
3002 my ($ns, $buf) = @_;
3003
3004 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3005
3006 if (ref $msg) {
3007 my ($type, $reply, @payload) =
3008 "ARRAY" eq ref $msg
3009 ? @$msg
3010 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3011
3012 my @reply;
3013
3014 if (my $cb = $EXTICMD{$type}) {
3015 @reply = $cb->($ns, @payload);
3016 }
3017
3018 $ns->ext_reply ($reply, @reply)
3019 if $reply;
3020
3021 } else {
3022 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3023 }
3024
3025 cf::override;
3026 },
2028); 3027);
2029 3028
2030=item $client->async (\&cb) 3029=item $client->async (\&cb)
2031 3030
2032Create a new coroutine, running the specified callback. The coroutine will 3031Create a new coroutine, running the specified callback. The coroutine will
2073our $safe = new Safe "safe"; 3072our $safe = new Safe "safe";
2074our $safe_hole = new Safe::Hole; 3073our $safe_hole = new Safe::Hole;
2075 3074
2076$SIG{FPE} = 'IGNORE'; 3075$SIG{FPE} = 'IGNORE';
2077 3076
2078$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3077$safe->permit_only (Opcode::opset qw(
3078 :base_core :base_mem :base_orig :base_math
3079 grepstart grepwhile mapstart mapwhile
3080 sort time
3081));
2079 3082
2080# here we export the classes and methods available to script code 3083# here we export the classes and methods available to script code
2081 3084
2082=pod 3085=pod
2083 3086
2084The following fucntions and emthods are available within a safe environment: 3087The following functions and methods are available within a safe environment:
2085 3088
2086 cf::object contr pay_amount pay_player map 3089 cf::object
3090 contr pay_amount pay_player map x y force_find force_add destroy
3091 insert remove name archname title slaying race decrease split
3092
2087 cf::object::player player 3093 cf::object::player
2088 cf::player peaceful 3094 player
2089 cf::map trigger 3095
3096 cf::player
3097 peaceful
3098
3099 cf::map
3100 trigger
2090 3101
2091=cut 3102=cut
2092 3103
2093for ( 3104for (
2094 ["cf::object" => qw(contr pay_amount pay_player map)], 3105 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3106 insert remove inv name archname title slaying race
3107 decrease split destroy)],
2095 ["cf::object::player" => qw(player)], 3108 ["cf::object::player" => qw(player)],
2096 ["cf::player" => qw(peaceful)], 3109 ["cf::player" => qw(peaceful)],
2097 ["cf::map" => qw(trigger)], 3110 ["cf::map" => qw(trigger)],
2098) { 3111) {
2099 no strict 'refs'; 3112 no strict 'refs';
2170=back 3183=back
2171 3184
2172=cut 3185=cut
2173 3186
2174############################################################################# 3187#############################################################################
2175
2176=head2 EXTENSION DATABASE SUPPORT
2177
2178Crossfire maintains a very simple database for extension use. It can
2179currently store anything that can be serialised using Storable, which
2180excludes objects.
2181
2182The parameter C<$family> should best start with the name of the extension
2183using it, it should be unique.
2184
2185=over 4
2186
2187=item $value = cf::db_get $family => $key
2188
2189Returns a single value from the database.
2190
2191=item cf::db_put $family => $key => $value
2192
2193Stores the given C<$value> in the family.
2194
2195=cut
2196
2197our $DB;
2198
2199sub db_init {
2200 unless ($DB) {
2201 $DB = BDB::db_create $DB_ENV;
2202
2203 cf::sync_job {
2204 eval {
2205 $DB->set_flags (BDB::CHKSUM);
2206
2207 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209 cf::cleanup "db_open(db): $!" if $!;
2210 };
2211 cf::cleanup "db_open(db): $@" if $@;
2212 };
2213
2214 my $path = cf::localdir . "/database.pst";
2215 if (stat $path) {
2216 cf::sync_job {
2217 my $pst = Storable::retrieve $path;
2218
2219 cf::db_put (board => data => $pst->{board});
2220 cf::db_put (guildrules => data => $pst->{guildrules});
2221 cf::db_put (rent => balance => $pst->{rent}{balance});
2222 BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224 unlink $path;
2225 };
2226 }
2227 }
2228}
2229
2230sub db_get($$) {
2231 my $key = "$_[0]/$_[1]";
2232
2233 cf::sync_job {
2234 BDB::db_get $DB, undef, $key, my $data;
2235
2236 $! ? ()
2237 : Compress::LZF::sthaw $data
2238 }
2239}
2240
2241sub db_put($$$) {
2242 BDB::dbreq_pri 4;
2243 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244}
2245
2246#############################################################################
2247# the server's init and main functions 3188# the server's init and main functions
2248 3189
2249sub init_resources { 3190sub load_facedata($) {
2250 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3191 my ($path) = @_;
3192
3193 # HACK to clear player env face cache, we need some signal framework
3194 # for this (global event?)
3195 %ext::player_env::MUSIC_FACE_CACHE = ();
3196
3197 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3198
3199 warn "loading facedata from $path\n";
3200
3201 my $facedata;
3202 0 < aio_load $path, $facedata
3203 or die "$path: $!";
3204
3205 $facedata = Coro::Storable::thaw $facedata;
3206
3207 $facedata->{version} == 2
3208 or cf::cleanup "$path: version mismatch, cannot proceed.";
3209
3210 # patch in the exptable
3211 $facedata->{resource}{"res/exp_table"} = {
3212 type => FT_RSRC,
3213 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3214 };
3215 cf::cede_to_tick;
3216
3217 {
3218 my $faces = $facedata->{faceinfo};
3219
3220 while (my ($face, $info) = each %$faces) {
3221 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3222
3223 cf::face::set_visibility $idx, $info->{visibility};
3224 cf::face::set_magicmap $idx, $info->{magicmap};
3225 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3226 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3227
3228 cf::cede_to_tick;
3229 }
3230
3231 while (my ($face, $info) = each %$faces) {
3232 next unless $info->{smooth};
3233
3234 my $idx = cf::face::find $face
3235 or next;
3236
3237 if (my $smooth = cf::face::find $info->{smooth}) {
3238 cf::face::set_smooth $idx, $smooth;
3239 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3240 } else {
3241 warn "smooth face '$info->{smooth}' not found for face '$face'";
3242 }
3243
3244 cf::cede_to_tick;
3245 }
3246 }
3247
3248 {
3249 my $anims = $facedata->{animinfo};
3250
3251 while (my ($anim, $info) = each %$anims) {
3252 cf::anim::set $anim, $info->{frames}, $info->{facings};
3253 cf::cede_to_tick;
3254 }
3255
3256 cf::anim::invalidate_all; # d'oh
3257 }
3258
3259 {
3260 # TODO: for gcfclient pleasure, we should give resources
3261 # that gcfclient doesn't grok a >10000 face index.
3262 my $res = $facedata->{resource};
3263
3264 while (my ($name, $info) = each %$res) {
3265 if (defined $info->{type}) {
3266 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3267 my $data;
3268
3269 if ($info->{type} & 1) {
3270 # prepend meta info
3271
3272 my $meta = $enc->encode ({
3273 name => $name,
3274 %{ $info->{meta} || {} },
3275 });
3276
3277 $data = pack "(w/a*)*", $meta, $info->{data};
3278 } else {
3279 $data = $info->{data};
3280 }
3281
3282 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3283 cf::face::set_type $idx, $info->{type};
3284 } else {
3285 $RESOURCE{$name} = $info;
3286 }
3287
3288 cf::cede_to_tick;
3289 }
3290 }
3291
3292 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3293
3294 1
3295}
3296
3297cf::global->attach (on_resource_update => sub {
3298 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3299 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3300
3301 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3302 my $sound = $soundconf->{compat}[$_]
3303 or next;
3304
3305 my $face = cf::face::find "sound/$sound->[1]";
3306 cf::sound::set $sound->[0] => $face;
3307 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3308 }
3309
3310 while (my ($k, $v) = each %{$soundconf->{event}}) {
3311 my $face = cf::face::find "sound/$v";
3312 cf::sound::set $k => $face;
3313 }
3314 }
3315});
3316
3317register_exticmd fx_want => sub {
3318 my ($ns, $want) = @_;
3319
3320 while (my ($k, $v) = each %$want) {
3321 $ns->fx_want ($k, $v);
3322 }
3323};
3324
3325sub load_resource_file($) {
3326 my $guard = lock_acquire "load_resource_file";
3327
3328 my $status = load_resource_file_ $_[0];
3329 get_slot 0.1, 100;
3330 cf::arch::commit_load;
3331
3332 $status
3333}
3334
3335sub reload_regions {
3336 # HACK to clear player env face cache, we need some signal framework
3337 # for this (global event?)
3338 %ext::player_env::MUSIC_FACE_CACHE = ();
3339
3340 load_resource_file "$MAPDIR/regions"
2251 or die "unable to load regions file\n";#d# 3341 or die "unable to load regions file\n";
2252}
2253 3342
2254sub cfg_load { 3343 for (cf::region::list) {
3344 $_->{match} = qr/$_->{match}/
3345 if exists $_->{match};
3346 }
3347}
3348
3349sub reload_facedata {
3350 load_facedata "$DATADIR/facedata"
3351 or die "unable to load facedata\n";
3352}
3353
3354sub reload_archetypes {
3355 load_resource_file "$DATADIR/archetypes"
3356 or die "unable to load archetypes\n";
3357}
3358
3359sub reload_treasures {
3360 load_resource_file "$DATADIR/treasures"
3361 or die "unable to load treasurelists\n";
3362}
3363
3364sub reload_resources {
3365 warn "reloading resource files...\n";
3366
3367 reload_facedata;
3368 reload_archetypes;
3369 reload_regions;
3370 reload_treasures;
3371
3372 warn "finished reloading resource files\n";
3373}
3374
3375sub init {
3376 my $guard = freeze_mainloop;
3377
3378 reload_resources;
3379}
3380
3381sub reload_config {
2255 open my $fh, "<:utf8", cf::confdir . "/config" 3382 open my $fh, "<:utf8", "$CONFDIR/config"
2256 or return; 3383 or return;
2257 3384
2258 local $/; 3385 local $/;
2259 *CFG = YAML::Syck::Load <$fh>; 3386 *CFG = YAML::Load <$fh>;
2260 3387
2261 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3388 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262 3389
2263 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3390 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3391 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2270 }; 3397 };
2271 warn $@ if $@; 3398 warn $@ if $@;
2272 } 3399 }
2273} 3400}
2274 3401
2275sub init {
2276 init_resources;
2277}
2278
2279sub main { 3402sub main {
2280 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async { 3406 (async {
2284 Event::one_event; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
3408 EV::loop EV::LOOP_ONESHOT;
2285 })->prio (Coro::PRIO_MAX); 3409 })->prio (Coro::PRIO_MAX);
2286 }; 3410 };
2287 3411
2288 cfg_load; 3412 {
3413 my $guard = freeze_mainloop;
3414 reload_config;
2289 db_init; 3415 db_init;
2290 load_extensions; 3416 load_extensions;
2291 3417
2292 $TICK_WATCHER->start; 3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419 evthread_start IO::AIO::poll_fileno;
3420 }
3421
2293 Event::loop; 3422 EV::loop;
2294} 3423}
2295 3424
2296############################################################################# 3425#############################################################################
2297# initialisation and cleanup 3426# initialisation and cleanup
2298 3427
2299# install some emergency cleanup handlers 3428# install some emergency cleanup handlers
2300BEGIN { 3429BEGIN {
3430 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3431 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3432 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3433 cf::cleanup "SIG$signal";
2309 },
2310 ); 3434 };
3435 }
3436}
3437
3438sub write_runtime_sync {
3439 my $runtime = "$LOCALDIR/runtime";
3440
3441 # first touch the runtime file to show we are still running:
3442 # the fsync below can take a very very long time.
3443
3444 IO::AIO::aio_utime $runtime, undef, undef;
3445
3446 my $guard = cf::lock_acquire "write_runtime";
3447
3448 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3449 or return;
3450
3451 my $value = $cf::RUNTIME + 90 + 10;
3452 # 10 is the runtime save interval, for a monotonic clock
3453 # 60 allows for the watchdog to kill the server.
3454
3455 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3456 and return;
3457
3458 # always fsync - this file is important
3459 aio_fsync $fh
3460 and return;
3461
3462 # touch it again to show we are up-to-date
3463 aio_utime $fh, undef, undef;
3464
3465 close $fh
3466 or return;
3467
3468 aio_rename "$runtime~", $runtime
3469 and return;
3470
3471 warn "runtime file written.\n";
3472
2311 } 3473 1
3474}
3475
3476our $uuid_lock;
3477our $uuid_skip;
3478
3479sub write_uuid_sync($) {
3480 $uuid_skip ||= $_[0];
3481
3482 return if $uuid_lock;
3483 local $uuid_lock = 1;
3484
3485 my $uuid = "$LOCALDIR/uuid";
3486
3487 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3488 or return;
3489
3490 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3491 $uuid_skip = 0;
3492
3493 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3494 and return;
3495
3496 # always fsync - this file is important
3497 aio_fsync $fh
3498 and return;
3499
3500 close $fh
3501 or return;
3502
3503 aio_rename "$uuid~", $uuid
3504 and return;
3505
3506 warn "uuid file written ($value).\n";
3507
3508 1
3509
3510}
3511
3512sub write_uuid($$) {
3513 my ($skip, $sync) = @_;
3514
3515 $sync ? write_uuid_sync $skip
3516 : async { write_uuid_sync $skip };
2312} 3517}
2313 3518
2314sub emergency_save() { 3519sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3520 my $freeze_guard = cf::freeze_mainloop;
2316 3521
2322 # and maps saved/destroyed asynchronously. 3527 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3528 warn "begin emergency player save\n";
2324 for my $login (keys %cf::PLAYER) { 3529 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3530 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3531 $pl->valid or next;
3532 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3533 $pl->save;
2328 } 3534 }
2329 warn "end emergency player save\n"; 3535 warn "end emergency player save\n";
2330 3536
2331 warn "begin emergency map save\n"; 3537 warn "begin emergency map save\n";
2337 warn "end emergency map save\n"; 3543 warn "end emergency map save\n";
2338 3544
2339 warn "begin emergency database checkpoint\n"; 3545 warn "begin emergency database checkpoint\n";
2340 BDB::db_env_txn_checkpoint $DB_ENV; 3546 BDB::db_env_txn_checkpoint $DB_ENV;
2341 warn "end emergency database checkpoint\n"; 3547 warn "end emergency database checkpoint\n";
3548
3549 warn "begin write uuid\n";
3550 write_uuid_sync 1;
3551 warn "end write uuid\n";
2342 }; 3552 };
2343 3553
2344 warn "leave emergency perl save\n"; 3554 warn "leave emergency perl save\n";
2345} 3555}
2346 3556
2349 3559
2350 warn Carp::longmess "post_cleanup backtrace" 3560 warn Carp::longmess "post_cleanup backtrace"
2351 if $make_core; 3561 if $make_core;
2352} 3562}
2353 3563
2354sub reload() { 3564sub do_reload_perl() {
2355 # can/must only be called in main 3565 # can/must only be called in main
2356 if ($Coro::current != $Coro::main) { 3566 if ($Coro::current != $Coro::main) {
2357 warn "can only reload from main coroutine"; 3567 warn "can only reload from main coroutine";
2358 return; 3568 return;
2359 } 3569 }
2361 warn "reloading..."; 3571 warn "reloading...";
2362 3572
2363 warn "entering sync_job"; 3573 warn "entering sync_job";
2364 3574
2365 cf::sync_job { 3575 cf::sync_job {
2366 cf::write_runtime; # external watchdog should not bark 3576 cf::write_runtime_sync; # external watchdog should not bark
2367 cf::emergency_save; 3577 cf::emergency_save;
2368 cf::write_runtime; # external watchdog should not bark 3578 cf::write_runtime_sync; # external watchdog should not bark
2369 3579
2370 warn "syncing database to disk"; 3580 warn "syncing database to disk";
2371 BDB::db_env_txn_checkpoint $DB_ENV; 3581 BDB::db_env_txn_checkpoint $DB_ENV;
2372 3582
2373 # if anything goes wrong in here, we should simply crash as we already saved 3583 # if anything goes wrong in here, we should simply crash as we already saved
2374
2375 warn "cancelling all WF_AUTOCANCEL watchers";
2376 for (Event::all_watchers) {
2377 $_->cancel if $_->data & WF_AUTOCANCEL;
2378 }
2379 3584
2380 warn "flushing outstanding aio requests"; 3585 warn "flushing outstanding aio requests";
2381 for (;;) { 3586 for (;;) {
2382 BDB::flush; 3587 BDB::flush;
2383 IO::AIO::flush; 3588 IO::AIO::flush;
2384 Coro::cede; 3589 Coro::cede_notself;
2385 last unless IO::AIO::nreqs || BDB::nreqs; 3590 last unless IO::AIO::nreqs || BDB::nreqs;
2386 warn "iterate..."; 3591 warn "iterate...";
2387 } 3592 }
3593
3594 ++$RELOAD;
2388 3595
2389 warn "cancelling all extension coros"; 3596 warn "cancelling all extension coros";
2390 $_->cancel for values %EXT_CORO; 3597 $_->cancel for values %EXT_CORO;
2391 %EXT_CORO = (); 3598 %EXT_CORO = ();
2392 3599
2393 warn "removing commands"; 3600 warn "removing commands";
2394 %COMMAND = (); 3601 %COMMAND = ();
2395 3602
2396 warn "removing ext commands"; 3603 warn "removing ext/exti commands";
2397 %EXTCMD = (); 3604 %EXTCMD = ();
3605 %EXTICMD = ();
2398 3606
2399 warn "unloading/nuking all extensions"; 3607 warn "unloading/nuking all extensions";
2400 for my $pkg (@EXTS) { 3608 for my $pkg (@EXTS) {
2401 warn "... unloading $pkg"; 3609 warn "... unloading $pkg";
2402 3610
2432 Symbol::delete_package "safe::$_" 3640 Symbol::delete_package "safe::$_"
2433 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3641 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434 3642
2435 warn "unloading cf.pm \"a bit\""; 3643 warn "unloading cf.pm \"a bit\"";
2436 delete $INC{"cf.pm"}; 3644 delete $INC{"cf.pm"};
3645 delete $INC{"cf/pod.pm"};
2437 3646
2438 # don't, removes xs symbols, too, 3647 # don't, removes xs symbols, too,
2439 # and global variables created in xs 3648 # and global variables created in xs
2440 #Symbol::delete_package __PACKAGE__; 3649 #Symbol::delete_package __PACKAGE__;
2441 3650
2444 warn "reloading cf.pm"; 3653 warn "reloading cf.pm";
2445 require cf; 3654 require cf;
2446 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3655 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447 3656
2448 warn "loading config and database again"; 3657 warn "loading config and database again";
2449 cf::cfg_load; 3658 cf::reload_config;
2450 3659
2451 warn "loading extensions"; 3660 warn "loading extensions";
2452 cf::load_extensions; 3661 cf::load_extensions;
2453 3662
2454 warn "reattaching attachments to objects/players"; 3663 warn "reattaching attachments to objects/players";
2455 _global_reattach; 3664 _global_reattach; # objects, sockets
2456 warn "reattaching attachments to maps"; 3665 warn "reattaching attachments to maps";
2457 reattach $_ for values %MAP; 3666 reattach $_ for values %MAP;
2458 3667 warn "reattaching attachments to players";
2459 warn "loading reloadable resources"; 3668 reattach $_ for values %PLAYER;
2460 init_resources;
2461 3669
2462 warn "leaving sync_job"; 3670 warn "leaving sync_job";
2463 3671
2464 1 3672 1
2465 } or do { 3673 } or do {
2466 warn $@; 3674 warn $@;
2467 warn "error while reloading, exiting."; 3675 cf::cleanup "error while reloading, exiting.";
2468 exit 1;
2469 }; 3676 };
2470 3677
2471 warn "reloaded"; 3678 warn "reloaded";
2472}; 3679};
2473 3680
2474our $RELOAD_WATCHER; # used only during reload 3681our $RELOAD_WATCHER; # used only during reload
2475 3682
3683sub reload_perl() {
3684 # doing reload synchronously and two reloads happen back-to-back,
3685 # coro crashes during coro_state_free->destroy here.
3686
3687 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3688 do_reload_perl;
3689 undef $RELOAD_WATCHER;
3690 };
3691}
3692
2476register_command "reload" => sub { 3693register_command "reload" => sub {
2477 my ($who, $arg) = @_; 3694 my ($who, $arg) = @_;
2478 3695
2479 if ($who->flag (FLAG_WIZ)) { 3696 if ($who->flag (FLAG_WIZ)) {
2480 $who->message ("reloading server."); 3697 $who->message ("reloading server.");
2481 3698 async {
2482 # doing reload synchronously and two reloads happen back-to-back, 3699 $Coro::current->{desc} = "perl_reload";
2483 # coro crashes during coro_state_free->destroy here.
2484
2485 $RELOAD_WATCHER ||= Event->timer (
2486 reentrant => 0,
2487 after => 0,
2488 data => WF_AUTOCANCEL,
2489 cb => sub {
2490 reload; 3700 reload_perl;
2491 undef $RELOAD_WATCHER;
2492 },
2493 ); 3701 };
2494 } 3702 }
2495}; 3703};
2496 3704
2497unshift @INC, $LIBDIR; 3705unshift @INC, $LIBDIR;
2498 3706
2499my $bug_warning = 0; 3707my $bug_warning = 0;
2500 3708
2501$TICK_WATCHER = Event->timer ( 3709our @WAIT_FOR_TICK;
2502 reentrant => 0, 3710our @WAIT_FOR_TICK_BEGIN;
2503 parked => 1, 3711
2504 prio => 0, 3712sub wait_for_tick {
2505 at => $NEXT_TICK || $TICK, 3713 return if tick_inhibit || $Coro::current == $Coro::main;
2506 data => WF_AUTOCANCEL, 3714
2507 cb => sub { 3715 my $signal = new Coro::Signal;
3716 push @WAIT_FOR_TICK, $signal;
3717 $signal->wait;
3718}
3719
3720sub wait_for_tick_begin {
3721 return if tick_inhibit || $Coro::current == $Coro::main;
3722
3723 my $signal = new Coro::Signal;
3724 push @WAIT_FOR_TICK_BEGIN, $signal;
3725 $signal->wait;
3726}
3727
3728sub tick {
2508 if ($Coro::current != $Coro::main) { 3729 if ($Coro::current != $Coro::main) {
2509 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3730 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510 unless ++$bug_warning > 10; 3731 unless ++$bug_warning > 10;
2511 return; 3732 return;
2512 } 3733 }
2513 3734
2514 $NOW = Event::time;
2515
2516 cf::server_tick; # one server iteration 3735 cf::server_tick; # one server iteration
2517 $RUNTIME += $TICK;
2518 $NEXT_TICK += $TICK;
2519 3736
2520 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3737 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521 $NEXT_RUNTIME_WRITE = $NOW + 10; 3738 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522 Coro::async_pool { 3739 Coro::async_pool {
3740 $Coro::current->{desc} = "runtime saver";
2523 write_runtime 3741 write_runtime_sync
2524 or warn "ERROR: unable to write runtime file: $!"; 3742 or warn "ERROR: unable to write runtime file: $!";
2525 };
2526 } 3743 };
2527
2528 $WAIT_FOR_TICK->broadcast;
2529 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531# my $AFTER = Event::time;
2532# warn $AFTER - $NOW;#d#
2533
2534 # if we are delayed by four ticks or more, skip them all
2535 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537 $TICK_WATCHER->at ($NEXT_TICK);
2538 $TICK_WATCHER->start;
2539 }, 3744 }
2540); 3745
3746 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3747 $sig->send;
3748 }
3749 while (my $sig = shift @WAIT_FOR_TICK) {
3750 $sig->send;
3751 }
3752
3753 $LOAD = ($NOW - $TICK_START) / $TICK;
3754 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3755
3756 if (0) {
3757 if ($NEXT_TICK) {
3758 my $jitter = $TICK_START - $NEXT_TICK;
3759 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3760 warn "jitter $JITTER\n";#d#
3761 }
3762 }
3763}
2541 3764
2542{ 3765{
2543 BDB::max_poll_time $TICK * 0.1; 3766 # configure BDB
2544 $BDB_POLL_WATCHER = Event->io ( 3767
2545 reentrant => 0,
2546 fd => BDB::poll_fileno,
2547 poll => 'r',
2548 prio => 0,
2549 data => WF_AUTOCANCEL,
2550 cb => \&BDB::poll_cb,
2551 );
2552 BDB::min_parallel 8; 3768 BDB::min_parallel 8;
2553 3769 BDB::max_poll_reqs $TICK * 0.1;
2554 BDB::set_sync_prepare { 3770 $Coro::BDB::WATCHER->priority (1);
2555 my $status;
2556 my $current = $Coro::current;
2557 (
2558 sub {
2559 $status = $!;
2560 $current->ready; undef $current;
2561 },
2562 sub {
2563 Coro::schedule while defined $current;
2564 $! = $status;
2565 },
2566 )
2567 };
2568 3771
2569 unless ($DB_ENV) { 3772 unless ($DB_ENV) {
2570 $DB_ENV = BDB::db_env_create; 3773 $DB_ENV = BDB::db_env_create;
3774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3775 | BDB::LOG_AUTOREMOVE, 1);
3776 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3777 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571 3778
2572 cf::sync_job { 3779 cf::sync_job {
2573 eval { 3780 eval {
2574 BDB::db_env_open 3781 BDB::db_env_open
2575 $DB_ENV, 3782 $DB_ENV,
2576 $BDB_ENV_DIR, 3783 $BDBDIR,
2577 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3784 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3785 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579 0666; 3786 0666;
2580 3787
2581 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3788 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584 $DB_ENV->set_lk_detect;
2585 }; 3789 };
2586 3790
2587 cf::cleanup "db_env_open(db): $@" if $@; 3791 cf::cleanup "db_env_open(db): $@" if $@;
2588 }; 3792 };
2589 } 3793 }
3794
3795 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3796 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3797 };
3798 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3799 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3800 };
3801 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3802 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3803 };
2590} 3804}
2591 3805
2592{ 3806{
3807 # configure IO::AIO
3808
2593 IO::AIO::min_parallel 8; 3809 IO::AIO::min_parallel 8;
2594
2595 undef $Coro::AIO::WATCHER;
2596 IO::AIO::max_poll_time $TICK * 0.1; 3810 IO::AIO::max_poll_time $TICK * 0.1;
2597 $AIO_POLL_WATCHER = Event->io ( 3811 $Coro::AIO::WATCHER->priority (1);
2598 reentrant => 0,
2599 data => WF_AUTOCANCEL,
2600 fd => IO::AIO::poll_fileno,
2601 poll => 'r',
2602 prio => 6,
2603 cb => \&IO::AIO::poll_cb,
2604 );
2605} 3812}
3813
3814my $_log_backtrace;
3815
3816sub _log_backtrace {
3817 my ($msg, @addr) = @_;
3818
3819 $msg =~ s/\n//;
3820
3821 # limit the # of concurrent backtraces
3822 if ($_log_backtrace < 2) {
3823 ++$_log_backtrace;
3824 async {
3825 $Coro::current->{desc} = "abt $msg";
3826
3827 my @bt = fork_call {
3828 @addr = map { sprintf "%x", $_ } @addr;
3829 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3830 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3831 or die "addr2line: $!";
3832
3833 my @funcs;
3834 my @res = <$fh>;
3835 chomp for @res;
3836 while (@res) {
3837 my ($func, $line) = splice @res, 0, 2, ();
3838 push @funcs, "[$func] $line";
3839 }
3840
3841 @funcs
3842 };
3843
3844 LOG llevInfo, "[ABT] $msg\n";
3845 LOG llevInfo, "[ABT] $_\n" for @bt;
3846 --$_log_backtrace;
3847 };
3848 } else {
3849 LOG llevInfo, "[ABT] $msg\n";
3850 LOG llevInfo, "[ABT] [suppressed]\n";
3851 }
3852}
3853
3854# load additional modules
3855use cf::pod;
2606 3856
2607END { cf::emergency_save } 3857END { cf::emergency_save }
2608 3858
26091 38591
2610 3860

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