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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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
1037 $pl->{deny_save} = 1; 1523 $pl->{deny_save} = 1;
1038 $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
1039 1525
1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 $pl->deactivate; 1527 $pl->deactivate;
1528 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529 $pl->ob->check_score;
1042 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1530 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1043 $pl->ns->destroy if $pl->ns; 1531 $pl->ns->destroy if $pl->ns;
1044 1532
1045 my $path = playerdir $pl; 1533 my $path = playerdir $pl;
1046 my $temp = "$path~$cf::RUNTIME~deleting~"; 1534 my $temp = "$path~$cf::RUNTIME~deleting~";
1076while and may block, so not sync_job-capable, ever. 1564while and may block, so not sync_job-capable, ever.
1077 1565
1078=cut 1566=cut
1079 1567
1080sub list_logins { 1568sub list_logins {
1081 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1569 my $dirs = aio_readdir $PLAYERDIR
1082 or return []; 1570 or return [];
1083 1571
1084 my @logins; 1572 my @logins;
1085 1573
1086 for my $login (@$dirs) { 1574 for my $login (@$dirs) {
1575 my $path = path $login;
1576
1577 # a .pst is a dead give-away for a valid player
1578 # if no pst file found, open and chekc for blocked users
1579 if (aio_stat "$path.pst") {
1087 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1580 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088 aio_read $fh, 0, 512, my $buf, 0 or next; 1581 aio_read $fh, 0, 512, my $buf, 0 or next;
1089 $buf !~ /^password -------------$/m or next; # official not-valid tag 1582 $buf !~ /^password -------------$/m or next; # official not-valid tag
1583 }
1090 1584
1091 utf8::decode $login; 1585 utf8::decode $login;
1092 push @logins, $login; 1586 push @logins, $login;
1093 } 1587 }
1094 1588
1121 } 1615 }
1122 1616
1123 \@paths 1617 \@paths
1124} 1618}
1125 1619
1620=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1621
1622Expand crossfire pod fragments into protocol xml.
1623
1624=cut
1625
1626use re 'eval';
1627
1628my $group;
1629my $interior; $interior = qr{
1630 # match a pod interior sequence sans C<< >>
1631 (?:
1632 \ (.*?)\ (?{ $group = $^N })
1633 | < (??{$interior}) >
1634 )
1635}x;
1636
1637sub expand_cfpod {
1638 my ($self, $pod) = @_;
1639
1640 my $xml;
1641
1642 while () {
1643 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644 $group = $1;
1645
1646 $group =~ s/&/&amp;/g;
1647 $group =~ s/</&lt;/g;
1648
1649 $xml .= $group;
1650 } elsif ($pod =~ m%\G
1651 ([BCGHITU])
1652 <
1653 (?:
1654 ([^<>]*) (?{ $group = $^N })
1655 | < $interior >
1656 )
1657 >
1658 %gcsx
1659 ) {
1660 my ($code, $data) = ($1, $group);
1661
1662 if ($code eq "B") {
1663 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664 } elsif ($code eq "I") {
1665 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666 } elsif ($code eq "U") {
1667 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668 } elsif ($code eq "C") {
1669 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670 } elsif ($code eq "T") {
1671 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672 } elsif ($code eq "G") {
1673 my ($male, $female) = split /\|/, $data;
1674 $data = $self->gender ? $female : $male;
1675 $xml .= expand_cfpod ($self, $data);
1676 } elsif ($code eq "H") {
1677 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679 "")
1680 [$self->{hintmode}];
1681 } else {
1682 $xml .= "error processing '$code($data)' directive";
1683 }
1684 } else {
1685 if ($pod =~ /\G(.+)/) {
1686 warn "parse error while expanding $pod (at $1)";
1687 }
1688 last;
1689 }
1690 }
1691
1692 for ($xml) {
1693 # create single paragraphs (very hackish)
1694 s/(?<=\S)\n(?=\w)/ /g;
1695
1696 # compress some whitespace
1697 s/\s+\n/\n/g; # ws line-ends
1698 s/\n\n+/\n/g; # double lines
1699 s/^\n+//; # beginning lines
1700 s/\n+$//; # ending lines
1701 }
1702
1703 $xml
1704}
1705
1706no re 'eval';
1707
1708sub hintmode {
1709 $_[0]{hintmode} = $_[1] if @_ > 1;
1710 $_[0]{hintmode}
1711}
1712
1126=item $player->ext_reply ($msgid, $msgtype, %msg) 1713=item $player->ext_reply ($msgid, @msg)
1127 1714
1128Sends an ext reply to the player. 1715Sends an ext reply to the player.
1129 1716
1130=cut 1717=cut
1131 1718
1132sub ext_reply($$$%) { 1719sub ext_reply($$@) {
1133 my ($self, $id, %msg) = @_; 1720 my ($self, $id, @msg) = @_;
1134 1721
1135 $msg{msgid} = $id; 1722 $self->ns->ext_reply ($id, @msg)
1136
1137 $self->send ("ext " . cf::to_json \%msg);
1138} 1723}
1139 1724
1140package cf; 1725=item $player->ext_msg ($type, @msg)
1726
1727Sends an ext event to the client.
1728
1729=cut
1730
1731sub ext_msg($$@) {
1732 my ($self, $type, @msg) = @_;
1733
1734 $self->ns->ext_msg ($type, @msg);
1735}
1736
1737=head3 cf::region
1738
1739=over 4
1740
1741=cut
1742
1743package cf::region;
1744
1745=item cf::region::find_by_path $path
1746
1747Tries to decuce the likely region for a map knowing only its path.
1748
1749=cut
1750
1751sub find_by_path($) {
1752 my ($path) = @_;
1753
1754 my ($match, $specificity);
1755
1756 for my $region (list) {
1757 if ($region->{match} && $path =~ $region->{match}) {
1758 ($match, $specificity) = ($region, $region->specificity)
1759 if $region->specificity > $specificity;
1760 }
1761 }
1762
1763 $match
1764}
1141 1765
1142=back 1766=back
1143
1144 1767
1145=head3 cf::map 1768=head3 cf::map
1146 1769
1147=over 4 1770=over 4
1148 1771
1160our $MAX_RESET = 3600; 1783our $MAX_RESET = 3600;
1161our $DEFAULT_RESET = 3000; 1784our $DEFAULT_RESET = 3000;
1162 1785
1163sub generate_random_map { 1786sub generate_random_map {
1164 my ($self, $rmp) = @_; 1787 my ($self, $rmp) = @_;
1788
1789 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1790
1165 # mit "rum" bekleckern, nicht 1791 # mit "rum" bekleckern, nicht
1166 $self->_create_random_map ( 1792 $self->_create_random_map (
1167 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1793 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1794 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1795 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1203 my ($self, $merge) = @_; 1829 my ($self, $merge) = @_;
1204 1830
1205 # we have to keep some variables in memory intact 1831 # we have to keep some variables in memory intact
1206 local $self->{path}; 1832 local $self->{path};
1207 local $self->{load_path}; 1833 local $self->{load_path};
1208 local $self->{deny_save};
1209 local $self->{deny_reset};
1210 1834
1211 $self->SUPER::thawer_merge ($merge); 1835 $self->SUPER::thawer_merge ($merge);
1212} 1836}
1213 1837
1214sub normalise { 1838sub normalise {
1261 $self->init; # pass $1 etc. 1885 $self->init; # pass $1 etc.
1262 return $self; 1886 return $self;
1263 } 1887 }
1264 } 1888 }
1265 1889
1266 Carp::carp "unable to resolve path '$path' (base '$base')."; 1890 Carp::cluck "unable to resolve path '$path' (base '$base').";
1267 () 1891 ()
1268} 1892}
1269 1893
1270sub init { 1894sub init {
1271 my ($self) = @_; 1895 my ($self) = @_;
1286 1910
1287# the original (read-only) location 1911# the original (read-only) location
1288sub load_path { 1912sub load_path {
1289 my ($self) = @_; 1913 my ($self) = @_;
1290 1914
1291 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1915 "$MAPDIR/$self->{path}.map"
1292} 1916}
1293 1917
1294# the temporary/swap location 1918# the temporary/swap location
1295sub save_path { 1919sub save_path {
1296 my ($self) = @_; 1920 my ($self) = @_;
1297 1921
1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1923 "$TMPDIR/$path.map"
1300} 1924}
1301 1925
1302# the unique path, undef == no special unique path 1926# the unique path, undef == no special unique path
1303sub uniq_path { 1927sub uniq_path {
1304 my ($self) = @_; 1928 my ($self) = @_;
1305 1929
1306 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1930 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1931 "$UNIQUEDIR/$path"
1308} 1932}
1309 1933
1310# and all this just because we cannot iterate over 1934# and all this just because we cannot iterate over
1311# all maps in C++... 1935# all maps in C++...
1312sub change_all_map_light { 1936sub change_all_map_light {
1314 1938
1315 $_->change_map_light ($change) 1939 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1940 for grep $_->outdoor, values %cf::MAP;
1317} 1941}
1318 1942
1943sub decay_objects {
1944 my ($self) = @_;
1945
1946 return if $self->{deny_reset};
1947
1948 $self->do_decay_objects;
1949}
1950
1319sub unlink_save { 1951sub unlink_save {
1320 my ($self) = @_; 1952 my ($self) = @_;
1321 1953
1322 utf8::encode (my $save = $self->save_path); 1954 utf8::encode (my $save = $self->save_path);
1323 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1955 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1326 1958
1327sub load_header_from($) { 1959sub load_header_from($) {
1328 my ($self, $path) = @_; 1960 my ($self, $path) = @_;
1329 1961
1330 utf8::encode $path; 1962 utf8::encode $path;
1331 #aio_open $path, O_RDONLY, 0 1963 my $f = new_from_file cf::object::thawer $path
1332 # or return;
1333
1334 $self->_load_header ($path)
1335 or return; 1964 or return;
1965
1966 $self->_load_header ($f)
1967 or return;
1968
1969 local $MAP_LOADING{$self->{path}} = $self;
1970 $f->resolve_delayed_derefs;
1336 1971
1337 $self->{load_path} = $path; 1972 $self->{load_path} = $path;
1338 1973
1339 1 1974 1
1340} 1975}
1379 $self->load_header_orig 2014 $self->load_header_orig
1380 or return; 2015 or return;
1381 $self->prepare_orig; 2016 $self->prepare_orig;
1382 } 2017 }
1383 2018
2019 $self->{deny_reset} = 1
2020 if $self->no_reset;
2021
2022 $self->default_region (cf::region::find_by_path $self->{path})
2023 unless $self->default_region;
2024
1384 1 2025 1
1385} 2026}
1386 2027
1387sub find; 2028sub find;
1388sub find { 2029sub find {
1389 my ($path, $origin) = @_; 2030 my ($path, $origin) = @_;
1390 2031
1391 $path = normalise $path, $origin && $origin->path; 2032 $path = normalise $path, $origin && $origin->path;
1392 2033
2034 cf::lock_wait "map_data:$path";#d#remove
1393 cf::lock_wait "map_find:$path"; 2035 cf::lock_wait "map_find:$path";
1394 2036
1395 $cf::MAP{$path} || do { 2037 $cf::MAP{$path} || do {
2038 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1396 my $guard = cf::lock_acquire "map_find:$path"; 2039 my $guard2 = cf::lock_acquire "map_find:$path";
2040
1397 my $map = new_from_path cf::map $path 2041 my $map = new_from_path cf::map $path
1398 or return; 2042 or return;
1399 2043
1400 $map->{last_save} = $cf::RUNTIME; 2044 $map->{last_save} = $cf::RUNTIME;
1401 2045
1402 $map->load_header 2046 $map->load_header
1403 or return; 2047 or return;
1404 2048
1405 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2049 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406 # doing this can freeze the server in a sync job, obviously 2050 # doing this can freeze the server in a sync job, obviously
1407 #$cf::WAIT_FOR_TICK->wait; 2051 #$cf::WAIT_FOR_TICK->wait;
2052 undef $guard2;
2053 undef $guard1;
1408 $map->reset; 2054 $map->reset;
1409 undef $guard;
1410 return find $path; 2055 return find $path;
1411 } 2056 }
1412 2057
1413 $cf::MAP{$path} = $map 2058 $cf::MAP{$path} = $map
1414 } 2059 }
1421 my ($self) = @_; 2066 my ($self) = @_;
1422 2067
1423 local $self->{deny_reset} = 1; # loading can take a long time 2068 local $self->{deny_reset} = 1; # loading can take a long time
1424 2069
1425 my $path = $self->{path}; 2070 my $path = $self->{path};
2071
2072 {
1426 my $guard = cf::lock_acquire "map_load:$path"; 2073 my $guard = cf::lock_acquire "map_data:$path";
1427 2074
2075 return unless $self->valid;
1428 return if $self->in_memory != cf::MAP_SWAPPED; 2076 return unless $self->in_memory == cf::MAP_SWAPPED;
1429 2077
1430 $self->in_memory (cf::MAP_LOADING); 2078 $self->in_memory (cf::MAP_LOADING);
1431 2079
1432 $self->alloc; 2080 $self->alloc;
1433 2081
1434 $self->pre_load; 2082 $self->pre_load;
2083 cf::cede_to_tick;
1435 2084
1436 $self->_load_objects ($self->{load_path}, 1) 2085 my $f = new_from_file cf::object::thawer $self->{load_path};
2086 $f->skip_block;
2087 $self->_load_objects ($f)
1437 or return; 2088 or return;
1438 2089
1439 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2090 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440 if delete $self->{load_original}; 2091 if delete $self->{load_original};
1441 2092
1442 if (my $uniq = $self->uniq_path) { 2093 if (my $uniq = $self->uniq_path) {
1443 utf8::encode $uniq; 2094 utf8::encode $uniq;
1444 if (aio_open $uniq, O_RDONLY, 0) { 2095 unless (aio_stat $uniq) {
2096 if (my $f = new_from_file cf::object::thawer $uniq) {
1445 $self->clear_unique_items; 2097 $self->clear_unique_items;
1446 $self->_load_objects ($uniq, 0); 2098 $self->_load_objects ($f);
2099 $f->resolve_delayed_derefs;
2100 }
1447 } 2101 }
1448 } 2102 }
1449 2103
1450 Coro::cede; 2104 $f->resolve_delayed_derefs;
1451 2105
2106 cf::cede_to_tick;
1452 # now do the right thing for maps 2107 # now do the right thing for maps
1453 $self->link_multipart_objects; 2108 $self->link_multipart_objects;
1454
1455 unless ($self->{deny_activate}) {
1456 $self->decay_objects;
1457 $self->fix_auto_apply;
1458 $self->update_buttons;
1459 Coro::cede;
1460 $self->set_darkness_map;
1461 $self->difficulty ($self->estimate_difficulty) 2109 $self->difficulty ($self->estimate_difficulty)
1462 unless $self->difficulty; 2110 unless $self->difficulty;
1463 Coro::cede; 2111 cf::cede_to_tick;
2112
2113 unless ($self->{deny_activate}) {
2114 $self->decay_objects;
2115 $self->fix_auto_apply;
2116 $self->update_buttons;
2117 cf::cede_to_tick;
2118 $self->set_darkness_map;
2119 cf::cede_to_tick;
1464 $self->activate; 2120 $self->activate;
2121 }
2122
2123 $self->{last_save} = $cf::RUNTIME;
2124 $self->last_access ($cf::RUNTIME);
2125
2126 $self->in_memory (cf::MAP_ACTIVE);
1465 } 2127 }
1466 2128
1467 $self->post_load; 2129 $self->post_load;
1468
1469 $self->in_memory (cf::MAP_IN_MEMORY);
1470} 2130}
1471 2131
1472sub customise_for { 2132sub customise_for {
1473 my ($self, $ob) = @_; 2133 my ($self, $ob) = @_;
1474 2134
1475 return find "~" . $ob->name . "/" . $self->{path} 2135 return find "~" . $ob->name . "/" . $self->{path}
1476 if $self->per_player; 2136 if $self->per_player;
1477 2137
2138# return find "?party/" . $ob->name . "/" . $self->{path}
2139# if $self->per_party;
2140
1478 $self 2141 $self
1479} 2142}
1480 2143
1481# find and load all maps in the 3x3 area around a map 2144# find and load all maps in the 3x3 area around a map
1482sub load_diag { 2145sub load_neighbours {
1483 my ($map) = @_; 2146 my ($map) = @_;
1484 2147
1485 my @diag; # diagonal neighbours 2148 my @neigh; # diagonal neighbours
1486 2149
1487 for (0 .. 3) { 2150 for (0 .. 3) {
1488 my $neigh = $map->tile_path ($_) 2151 my $neigh = $map->tile_path ($_)
1489 or next; 2152 or next;
1490 $neigh = find $neigh, $map 2153 $neigh = find $neigh, $map
1491 or next; 2154 or next;
1492 $neigh->load; 2155 $neigh->load;
1493 2156
2157 push @neigh,
1494 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2158 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1495 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2159 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1496 } 2160 }
1497 2161
1498 for (@diag) { 2162 for (grep defined $_->[0], @neigh) {
2163 my ($path, $origin) = @$_;
1499 my $neigh = find @$_ 2164 my $neigh = find $path, $origin
1500 or next; 2165 or next;
1501 $neigh->load; 2166 $neigh->load;
1502 } 2167 }
1503} 2168}
1504 2169
1509} 2174}
1510 2175
1511sub do_load_sync { 2176sub do_load_sync {
1512 my ($map) = @_; 2177 my ($map) = @_;
1513 2178
2179 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2180 if $Coro::current == $Coro::main;
2181
1514 cf::sync_job { $map->load }; 2182 cf::sync_job { $map->load };
1515} 2183}
1516 2184
1517our %MAP_PREFETCH; 2185our %MAP_PREFETCH;
1518our $MAP_PREFETCHER = undef; 2186our $MAP_PREFETCHER = undef;
1519 2187
1520sub find_async { 2188sub find_async {
1521 my ($path, $origin) = @_; 2189 my ($path, $origin, $load) = @_;
1522 2190
1523 $path = normalise $path, $origin && $origin->{path}; 2191 $path = normalise $path, $origin && $origin->{path};
1524 2192
1525 if (my $map = $cf::MAP{$path}) { 2193 if (my $map = $cf::MAP{$path}) {
1526 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2194 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527 } 2195 }
1528 2196
1529 undef $MAP_PREFETCH{$path}; 2197 $MAP_PREFETCH{$path} |= $load;
2198
1530 $MAP_PREFETCHER ||= cf::async { 2199 $MAP_PREFETCHER ||= cf::async {
2200 $Coro::current->{desc} = "map prefetcher";
2201
1531 while (%MAP_PREFETCH) { 2202 while (%MAP_PREFETCH) {
1532 for my $path (keys %MAP_PREFETCH) { 2203 while (my ($k, $v) = each %MAP_PREFETCH) {
1533 my $map = find $path 2204 if (my $map = find $k) {
1534 or next;
1535 $map->load; 2205 $map->load if $v;
2206 }
1536 2207
1537 delete $MAP_PREFETCH{$path}; 2208 delete $MAP_PREFETCH{$k};
1538 } 2209 }
1539 } 2210 }
1540 undef $MAP_PREFETCHER; 2211 undef $MAP_PREFETCHER;
1541 }; 2212 };
1542 $MAP_PREFETCHER->prio (6); 2213 $MAP_PREFETCHER->prio (6);
1545} 2216}
1546 2217
1547sub save { 2218sub save {
1548 my ($self) = @_; 2219 my ($self) = @_;
1549 2220
1550 my $lock = cf::lock_acquire "map_data:" . $self->path; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1551 2222
1552 $self->{last_save} = $cf::RUNTIME; 2223 $self->{last_save} = $cf::RUNTIME;
1553 2224
1554 return unless $self->dirty; 2225 return unless $self->dirty;
1555 2226
1561 return if $self->{deny_save}; 2232 return if $self->{deny_save};
1562 2233
1563 local $self->{last_access} = $self->last_access;#d# 2234 local $self->{last_access} = $self->last_access;#d#
1564 2235
1565 cf::async { 2236 cf::async {
2237 $Coro::current->{desc} = "map player save";
1566 $_->contr->save for $self->players; 2238 $_->contr->save for $self->players;
1567 }; 2239 };
2240
2241 cf::get_slot 0.02;
1568 2242
1569 if ($uniq) { 2243 if ($uniq) {
1570 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2244 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2245 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1572 } else { 2246 } else {
1578 my ($self) = @_; 2252 my ($self) = @_;
1579 2253
1580 # save first because save cedes 2254 # save first because save cedes
1581 $self->save; 2255 $self->save;
1582 2256
1583 my $lock = cf::lock_acquire "map_data:" . $self->path; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
1584 2258
1585 return if $self->players; 2259 return if $self->players;
1586 return if $self->in_memory != cf::MAP_IN_MEMORY; 2260 return if $self->in_memory != cf::MAP_ACTIVE;
1587 return if $self->{deny_save}; 2261 return if $self->{deny_save};
1588 2262
2263 $self->in_memory (cf::MAP_SWAPPED);
2264
2265 $self->deactivate;
2266 $_->clear_links_to ($self) for values %cf::MAP;
1589 $self->clear; 2267 $self->clear;
1590 $self->in_memory (cf::MAP_SWAPPED);
1591} 2268}
1592 2269
1593sub reset_at { 2270sub reset_at {
1594 my ($self) = @_; 2271 my ($self) = @_;
1595 2272
1596 # TODO: safety, remove and allow resettable per-player maps 2273 # TODO: safety, remove and allow resettable per-player maps
1597 return 1e99 if $self->isa ("ext::map_per_player");#d#
1598 return 1e99 if $self->{deny_reset}; 2274 return 1e99 if $self->{deny_reset};
1599 2275
1600 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2276 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2277 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602 2278
1613 my ($self) = @_; 2289 my ($self) = @_;
1614 2290
1615 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2291 my $lock = cf::lock_acquire "map_data:$self->{path}";
1616 2292
1617 return if $self->players; 2293 return if $self->players;
1618 return if $self->isa ("ext::map_per_player");#d#
1619 2294
1620 warn "resetting map ", $self->path;#d# 2295 warn "resetting map ", $self->path;
1621 2296
1622 $self->in_memory (cf::MAP_SWAPPED); 2297 $self->in_memory (cf::MAP_SWAPPED);
1623 2298
1624 # need to save uniques path 2299 # need to save uniques path
1625 unless ($self->{deny_save}) { 2300 unless ($self->{deny_save}) {
1629 if $uniq; 2304 if $uniq;
1630 } 2305 }
1631 2306
1632 delete $cf::MAP{$self->path}; 2307 delete $cf::MAP{$self->path};
1633 2308
2309 $self->deactivate;
2310 $_->clear_links_to ($self) for values %cf::MAP;
1634 $self->clear; 2311 $self->clear;
1635
1636 $_->clear_links_to ($self) for values %cf::MAP;
1637 2312
1638 $self->unlink_save; 2313 $self->unlink_save;
1639 $self->destroy; 2314 $self->destroy;
1640} 2315}
1641 2316
1642my $nuke_counter = "aaaa"; 2317my $nuke_counter = "aaaa";
1643 2318
1644sub nuke { 2319sub nuke {
1645 my ($self) = @_; 2320 my ($self) = @_;
1646 2321
2322 {
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
1647 delete $cf::MAP{$self->path}; 2325 delete $cf::MAP{$self->path};
1648 2326
1649 $self->unlink_save; 2327 $self->unlink_save;
1650 2328
1651 bless $self, "cf::map"; 2329 bless $self, "cf::map";
1652 delete $self->{deny_reset}; 2330 delete $self->{deny_reset};
1653 $self->{deny_save} = 1; 2331 $self->{deny_save} = 1;
1654 $self->reset_timeout (1); 2332 $self->reset_timeout (1);
1655 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2333 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656 2334
1657 $cf::MAP{$self->path} = $self; 2335 $cf::MAP{$self->path} = $self;
2336 }
1658 2337
1659 $self->reset; # polite request, might not happen 2338 $self->reset; # polite request, might not happen
2339}
2340
2341=item $maps = cf::map::tmp_maps
2342
2343Returns an arrayref with all map paths of currently instantiated and saved
2344maps. May block.
2345
2346=cut
2347
2348sub tmp_maps() {
2349 [
2350 map {
2351 utf8::decode $_;
2352 /\.map$/
2353 ? normalise $_
2354 : ()
2355 } @{ aio_readdir $TMPDIR or [] }
2356 ]
2357}
2358
2359=item $maps = cf::map::random_maps
2360
2361Returns an arrayref with all map paths of currently instantiated and saved
2362random maps. May block.
2363
2364=cut
2365
2366sub random_maps() {
2367 [
2368 map {
2369 utf8::decode $_;
2370 /\.map$/
2371 ? normalise "?random/$_"
2372 : ()
2373 } @{ aio_readdir $RANDOMDIR or [] }
2374 ]
1660} 2375}
1661 2376
1662=item cf::map::unique_maps 2377=item cf::map::unique_maps
1663 2378
1664Returns an arrayref of paths of all shared maps that have 2379Returns an arrayref of paths of all shared maps that have
1665instantiated unique items. May block. 2380instantiated unique items. May block.
1666 2381
1667=cut 2382=cut
1668 2383
1669sub unique_maps() { 2384sub unique_maps() {
1670 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2385 [
1671 or return; 2386 map {
1672
1673 my @paths;
1674
1675 for (@$files) {
1676 utf8::decode $_; 2387 utf8::decode $_;
1677 next if /\.pst$/; 2388 s/\.map$//; # TODO future compatibility hack
1678 next unless /^$PATH_SEP/o; 2389 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679 2390 ? ()
1680 push @paths, cf::map::normalise $_; 2391 : normalise $_
2392 } @{ aio_readdir $UNIQUEDIR or [] }
1681 } 2393 ]
1682
1683 \@paths
1684} 2394}
1685
1686package cf;
1687 2395
1688=back 2396=back
1689 2397
1690=head3 cf::object 2398=head3 cf::object
1691 2399
1695 2403
1696=over 4 2404=over 4
1697 2405
1698=item $ob->inv_recursive 2406=item $ob->inv_recursive
1699 2407
1700Returns the inventory of the object _and_ their inventories, recursively. 2408Returns the inventory of the object I<and> their inventories, recursively,
2409but I<not> the object itself.
1701 2410
1702=cut 2411=cut
1703 2412
1704sub inv_recursive_; 2413sub inv_recursive_;
1705sub inv_recursive_ { 2414sub inv_recursive_ {
1708 2417
1709sub inv_recursive { 2418sub inv_recursive {
1710 inv_recursive_ inv $_[0] 2419 inv_recursive_ inv $_[0]
1711} 2420}
1712 2421
2422=item $ref = $ob->ref
2423
2424Creates and returns a persistent reference to an object that can be stored as a string.
2425
2426=item $ob = cf::object::deref ($refstring)
2427
2428returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2429even if the object actually exists. May block.
2430
2431=cut
2432
2433sub deref {
2434 my ($ref) = @_;
2435
2436 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2437 my ($uuid, $name) = ($1, $2);
2438 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2439 or return;
2440 $pl->ob->uuid eq $uuid
2441 or return;
2442
2443 $pl->ob
2444 } else {
2445 warn "$ref: cannot resolve object reference\n";
2446 undef
2447 }
2448}
2449
1713package cf; 2450package cf;
1714 2451
1715=back 2452=back
1716 2453
1717=head3 cf::object::player 2454=head3 cf::object::player
1723Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2460Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724can be C<undef>. Does the right thing when the player is currently in a 2461can be C<undef>. Does the right thing when the player is currently in a
1725dialogue with the given NPC character. 2462dialogue with the given NPC character.
1726 2463
1727=cut 2464=cut
2465
2466our $SAY_CHANNEL = {
2467 id => "say",
2468 title => "Map",
2469 reply => "say ",
2470 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2471};
2472
2473our $CHAT_CHANNEL = {
2474 id => "chat",
2475 title => "Chat",
2476 reply => "chat ",
2477 tooltip => "Player chat and shouts, global to the server.",
2478};
1728 2479
1729# rough implementation of a future "reply" method that works 2480# rough implementation of a future "reply" method that works
1730# with dialog boxes. 2481# with dialog boxes.
1731#TODO: the first argument must go, split into a $npc->reply_to ( method 2482#TODO: the first argument must go, split into a $npc->reply_to ( method
1732sub cf::object::player::reply($$$;$) { 2483sub cf::object::player::reply($$$;$) {
1734 2485
1735 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2486 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736 2487
1737 if ($self->{record_replies}) { 2488 if ($self->{record_replies}) {
1738 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2489 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2490
1739 } else { 2491 } else {
2492 my $pl = $self->contr;
2493
2494 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2495 my $dialog = $pl->{npc_dialog};
2496 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2497
2498 } else {
1740 $msg = $npc->name . " says: $msg" if $npc; 2499 $msg = $npc->name . " says: $msg" if $npc;
1741 $self->message ($msg, $flags); 2500 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2501 }
1742 } 2502 }
2503}
2504
2505=item $object->send_msg ($channel, $msg, $color, [extra...])
2506
2507=cut
2508
2509sub cf::object::send_msg {
2510 my $pl = shift->contr
2511 or return;
2512 $pl->send_msg (@_);
1743} 2513}
1744 2514
1745=item $player_object->may ("access") 2515=item $player_object->may ("access")
1746 2516
1747Returns wether the given player is authorized to access resource "access" 2517Returns wether the given player is authorized to access resource "access"
1794 $self->deactivate_recursive; 2564 $self->deactivate_recursive;
1795 2565
1796 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2566 return if UNIVERSAL::isa $self->map, "ext::map_link";
1797 2567
1798 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799 if $self->map; 2569 if $self->map && $self->map->{path} ne "{link}";
1800 2570
1801 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2571 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1802} 2572}
1803 2573
1804sub cf::object::player::leave_link { 2574sub cf::object::player::leave_link {
1805 my ($self, $map, $x, $y) = @_; 2575 my ($self, $map, $x, $y) = @_;
2576
2577 return unless $self->contr->active;
1806 2578
1807 my $link_pos = delete $self->{_link_pos}; 2579 my $link_pos = delete $self->{_link_pos};
1808 2580
1809 unless ($map) { 2581 unless ($map) {
1810 # restore original map position 2582 # restore original map position
1824 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
1825 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
1826 if $x <=0 && $y <= 0; 2598 if $x <=0 && $y <= 0;
1827 2599
1828 $map->load; 2600 $map->load;
1829 $map->load_diag; 2601 $map->load_neighbours;
1830 2602
1831 return unless $self->contr->active; 2603 return unless $self->contr->active;
1832 $self->activate_recursive; 2604 $self->activate_recursive;
1833 2605
1834 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2606 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835 $self->enter_map ($map, $x, $y); 2607 $self->enter_map ($map, $x, $y);
1836} 2608}
1837 2609
1838cf::player->attach ( 2610=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839 on_logout => sub {
1840 my ($pl) = @_;
1841 2611
1842 # abort map switching before logout 2612Moves the player to the given map-path and coordinates by first freezing
1843 if ($pl->ob->{_link_pos}) { 2613her, loading and preparing them map, calling the provided $check callback
1844 cf::sync_job { 2614that has to return the map if sucecssful, and then unfreezes the player on
1845 $pl->ob->leave_link 2615the new (success) or old (failed) map position. In either case, $done will
1846 }; 2616be called at the end of this process.
1847 }
1848 },
1849 on_login => sub {
1850 my ($pl) = @_;
1851 2617
1852 # try to abort aborted map switching on player login :)
1853 # should happen only on crashes
1854 if ($pl->ob->{_link_pos}) {
1855 $pl->ob->enter_link;
1856 (async {
1857 $pl->ob->reply (undef,
1858 "There was an internal problem at your last logout, "
1859 . "the server will try to bring you to your intended destination in a second.",
1860 cf::NDI_RED);
1861 # we need this sleep as the login has a concurrent enter_exit running
1862 # and this sleep increases chances of the player not ending up in scorn
1863 Coro::Timer::sleep 1;
1864 $pl->ob->leave_link;
1865 })->prio (2);
1866 }
1867 },
1868);
1869
1870=item $player_object->goto ($path, $x, $y)
1871
1872=cut 2618=cut
2619
2620our $GOTOGEN;
1873 2621
1874sub cf::object::player::goto { 2622sub cf::object::player::goto {
1875 my ($self, $path, $x, $y) = @_; 2623 my ($self, $path, $x, $y, $check, $done) = @_;
2624
2625 # do generation counting so two concurrent goto's will be executed in-order
2626 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876 2627
1877 $self->enter_link; 2628 $self->enter_link;
1878 2629
1879 (async { 2630 (async {
2631 $Coro::current->{desc} = "player::goto $path $x $y";
2632
2633 # *tag paths override both path and x|y
2634 if ($path =~ /^\*(.*)$/) {
2635 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2636 my $ob = $obs[rand @obs];
2637
2638 # see if we actually can go there
2639 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2640 $ob = $obs[rand @obs];
2641 } else {
2642 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2643 }
2644 # else put us there anyways for now #d#
2645
2646 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2647 } else {
2648 ($path, $x, $y) = (undef, undef, undef);
2649 }
2650 }
2651
1880 my $map = eval { 2652 my $map = eval {
1881 my $map = cf::map::find $path; 2653 my $map = defined $path ? cf::map::find $path : undef;
2654
2655 if ($map) {
1882 $map = $map->customise_for ($self) if $map; 2656 $map = $map->customise_for ($self);
2657 $map = $check->($map) if $check && $map;
2658 } else {
2659 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2660 }
2661
1883 $map 2662 $map
2663 };
2664
2665 if ($@) {
2666 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2667 LOG llevError | logBacktrace, Carp::longmess $@;
1884 } or 2668 }
1885 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886 2669
2670 if ($gen == $self->{_goto_generation}) {
2671 delete $self->{_goto_generation};
1887 $self->leave_link ($map, $x, $y); 2672 $self->leave_link ($map, $x, $y);
2673 }
2674
2675 $done->() if $done;
1888 })->prio (1); 2676 })->prio (1);
1889} 2677}
1890 2678
1891=item $player_object->enter_exit ($exit_object) 2679=item $player_object->enter_exit ($exit_object)
1892 2680
1912} 2700}
1913 2701
1914sub prepare_random_map { 2702sub prepare_random_map {
1915 my ($exit) = @_; 2703 my ($exit) = @_;
1916 2704
1917 my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919 # all this does is basically replace the /! path by 2705 # all this does is basically replace the /! path by
1920 # a new random map path (?random/...) with a seed 2706 # a new random map path (?random/...) with a seed
1921 # that depends on the exit object 2707 # that depends on the exit object
1922 2708
1923 my $rmp = parse_random_map_params $exit->msg; 2709 my $rmp = parse_random_map_params $exit->msg;
1925 if ($exit->map) { 2711 if ($exit->map) {
1926 $rmp->{region} = $exit->region->name; 2712 $rmp->{region} = $exit->region->name;
1927 $rmp->{origin_map} = $exit->map->path; 2713 $rmp->{origin_map} = $exit->map->path;
1928 $rmp->{origin_x} = $exit->x; 2714 $rmp->{origin_x} = $exit->x;
1929 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
2716
2717 $exit->map->touch;
1930 } 2718 }
1931 2719
1932 $rmp->{random_seed} ||= $exit->random_seed; 2720 $rmp->{random_seed} ||= $exit->random_seed;
1933 2721
1934 my $data = cf::to_json $rmp; 2722 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935 my $md5 = Digest::MD5::md5_hex $data; 2723 my $md5 = Digest::MD5::md5_hex $data;
1936 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2724 my $meta = "$RANDOMDIR/$md5.meta";
1937 2725
1938 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2726 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939 aio_write $fh, 0, (length $data), $data, 0; 2727 aio_write $fh, 0, (length $data), $data, 0;
1940 undef $fh; 2728 undef $fh;
1941 aio_rename "$meta~", $meta; 2729 aio_rename "$meta~", $meta;
1942 2730
2731 my $slaying = "?random/$md5";
2732
2733 if ($exit->valid) {
1943 $exit->slaying ("?random/$md5"); 2734 $exit->slaying ("?random/$md5");
1944 $exit->msg (undef); 2735 $exit->msg (undef);
2736 }
1945 } 2737 }
1946} 2738}
1947 2739
1948sub cf::object::player::enter_exit { 2740sub cf::object::player::enter_exit {
1949 my ($self, $exit) = @_; 2741 my ($self, $exit) = @_;
1950 2742
1951 return unless $self->type == cf::PLAYER; 2743 return unless $self->type == cf::PLAYER;
1952 2744
1953 if ($exit->slaying eq "/!") {
1954 #TODO: this should de-fi-ni-te-ly not be a sync-job
1955 cf::sync_job { prepare_random_map $exit };
1956 }
1957
1958 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959 my $hp = $exit->stats->hp;
1960 my $sp = $exit->stats->sp;
1961
1962 $self->enter_link; 2745 $self->enter_link;
1963 2746
1964 (async { 2747 (async {
1965 $self->deactivate_recursive; # just to be sure 2748 $Coro::current->{desc} = "enter_exit";
2749
1966 unless (eval { 2750 unless (eval {
2751 $self->deactivate_recursive; # just to be sure
2752
2753 # random map handling
2754 {
2755 my $guard = cf::lock_acquire "exit_prepare:$exit";
2756
2757 prepare_random_map $exit
2758 if $exit->slaying eq "/!";
2759 }
2760
2761 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2762 my $x = $exit->stats->hp;
2763 my $y = $exit->stats->sp;
2764
1967 $self->goto ($slaying, $hp, $sp); 2765 $self->goto ($map, $x, $y);
1968 2766
2767 # if exit is damned, update players death & WoR home-position
2768 $self->contr->savebed ($map, $x, $y)
2769 if $exit->flag (cf::FLAG_DAMNED);
2770
1969 1; 2771 1
1970 }) { 2772 }) {
1971 $self->message ("Something went wrong deep within the crossfire server. " 2773 $self->message ("Something went wrong deep within the crossfire server. "
1972 . "I'll try to bring you back to the map you were before. " 2774 . "I'll try to bring you back to the map you were before. "
1973 . "Please report this to the dungeon master!", 2775 . "Please report this to the dungeon master!",
1974 cf::NDI_UNIQUE | cf::NDI_RED); 2776 cf::NDI_UNIQUE | cf::NDI_RED);
1975 2777
1976 warn "ERROR in enter_exit: $@"; 2778 warn "ERROR in enter_exit: $@";
1977 $self->leave_link; 2779 $self->leave_link;
1978 } 2780 }
1979 })->prio (1); 2781 })->prio (1);
1992 2794
1993sub cf::client::send_drawinfo { 2795sub cf::client::send_drawinfo {
1994 my ($self, $text, $flags) = @_; 2796 my ($self, $text, $flags) = @_;
1995 2797
1996 utf8::encode $text; 2798 utf8::encode $text;
1997 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2799 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998} 2800}
1999 2801
2802=item $client->send_msg ($channel, $msg, $color, [extra...])
2803
2804Send a drawinfo or msg packet to the client, formatting the msg for the
2805client if neccessary. C<$type> should be a string identifying the type of
2806the message, with C<log> being the default. If C<$color> is negative, suppress
2807the message unless the client supports the msg packet.
2808
2809=cut
2810
2811# non-persistent channels (usually the info channel)
2812our %CHANNEL = (
2813 "c/identify" => {
2814 id => "infobox",
2815 title => "Identify",
2816 reply => undef,
2817 tooltip => "Items recently identified",
2818 },
2819 "c/examine" => {
2820 id => "infobox",
2821 title => "Examine",
2822 reply => undef,
2823 tooltip => "Signs and other items you examined",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/uptime" => {
2850 id => "infobox",
2851 title => "Uptime",
2852 reply => undef,
2853 tooltip => "How long the server has been running since last restart",
2854 },
2855 "c/mapinfo" => {
2856 id => "infobox",
2857 title => "Map Info",
2858 reply => undef,
2859 tooltip => "Information related to the maps",
2860 },
2861 "c/party" => {
2862 id => "party",
2863 title => "Party",
2864 reply => "gsay ",
2865 tooltip => "Messages and chat related to your party",
2866 },
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg);
2873
2874 $color &= cf::NDI_CLIENT_MASK; # just in case...
2875
2876 # check predefined channels, for the benefit of C
2877 if ($CHANNEL{$channel}) {
2878 $channel = $CHANNEL{$channel};
2879
2880 $self->ext_msg (channel_info => $channel)
2881 if $self->can_msg;
2882
2883 $channel = $channel->{id};
2884
2885 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891 }
2892
2893 $channel = $channel->{id};
2894 }
2895
2896 return unless @extra || length $msg;
2897
2898 if ($self->can_msg) {
2899 # default colour, mask it out
2900 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901 if $color & cf::NDI_DEF;
2902
2903 $self->send_packet ("msg " . $self->{json_coder}->encode (
2904 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2905 } else {
2906 if ($color >= 0) {
2907 # replace some tags by gcfclient-compatible ones
2908 for ($msg) {
2909 1 while
2910 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915 }
2916
2917 $color &= cf::NDI_COLOR_MASK;
2918
2919 utf8::encode $msg;
2920
2921 if (0 && $msg =~ /\[/) {
2922 # COMMAND/INFO
2923 $self->send_packet ("drawextinfo $color 10 8 $msg")
2924 } else {
2925 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926 $self->send_packet ("drawinfo $color $msg")
2927 }
2928 }
2929 }
2930}
2931
2932=item $client->ext_msg ($type, @msg)
2933
2934Sends an ext event to the client.
2935
2936=cut
2937
2938sub cf::client::ext_msg($$@) {
2939 my ($self, $type, @msg) = @_;
2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943 } elsif ($self->extcmd == 1) { # TODO: remove
2944 push @msg, msgtype => "event_$type";
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946 }
2947}
2948
2949=item $client->ext_reply ($msgid, @msg)
2950
2951Sends an ext reply to the client.
2952
2953=cut
2954
2955sub cf::client::ext_reply($$@) {
2956 my ($self, $id, @msg) = @_;
2957
2958 if ($self->extcmd == 2) {
2959 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960 } elsif ($self->extcmd == 1) {
2961 #TODO: version 1, remove
2962 unshift @msg, msgtype => "reply", msgid => $id;
2963 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964 }
2965}
2000 2966
2001=item $success = $client->query ($flags, "text", \&cb) 2967=item $success = $client->query ($flags, "text", \&cb)
2002 2968
2003Queues a query to the client, calling the given callback with 2969Queues a query to the client, calling the given callback with
2004the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2970the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2971C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006 2972
2007Queries can fail, so check the return code. Or don't, as queries will become 2973Queries can fail, so check the return code. Or don't, as queries will
2008reliable at some point in the future. 2974become reliable at some point in the future.
2009 2975
2010=cut 2976=cut
2011 2977
2012sub cf::client::query { 2978sub cf::client::query {
2013 my ($self, $flags, $text, $cb) = @_; 2979 my ($self, $flags, $text, $cb) = @_;
2021 utf8::encode $text; 2987 utf8::encode $text;
2022 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2988 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023 2989
2024 $self->send_packet ($self->{query_queue}[0][0]) 2990 $self->send_packet ($self->{query_queue}[0][0])
2025 if @{ $self->{query_queue} } == 1; 2991 if @{ $self->{query_queue} } == 1;
2992
2993 1
2026} 2994}
2027 2995
2028cf::client->attach ( 2996cf::client->attach (
2997 on_connect => sub {
2998 my ($ns) = @_;
2999
3000 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3001 },
2029 on_reply => sub { 3002 on_reply => sub {
2030 my ($ns, $msg) = @_; 3003 my ($ns, $msg) = @_;
2031 3004
2032 # this weird shuffling is so that direct followup queries 3005 # this weird shuffling is so that direct followup queries
2033 # get handled first 3006 # get handled first
2045 } else { 3018 } else {
2046 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3019 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047 } 3020 }
2048 } 3021 }
2049 }, 3022 },
3023 on_exticmd => sub {
3024 my ($ns, $buf) = @_;
3025
3026 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3027
3028 if (ref $msg) {
3029 my ($type, $reply, @payload) =
3030 "ARRAY" eq ref $msg
3031 ? @$msg
3032 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3033
3034 my @reply;
3035
3036 if (my $cb = $EXTICMD{$type}) {
3037 @reply = $cb->($ns, @payload);
3038 }
3039
3040 $ns->ext_reply ($reply, @reply)
3041 if $reply;
3042
3043 } else {
3044 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3045 }
3046
3047 cf::override;
3048 },
2050); 3049);
2051 3050
2052=item $client->async (\&cb) 3051=item $client->async (\&cb)
2053 3052
2054Create a new coroutine, running the specified callback. The coroutine will 3053Create a new coroutine, running the specified callback. The coroutine will
2095our $safe = new Safe "safe"; 3094our $safe = new Safe "safe";
2096our $safe_hole = new Safe::Hole; 3095our $safe_hole = new Safe::Hole;
2097 3096
2098$SIG{FPE} = 'IGNORE'; 3097$SIG{FPE} = 'IGNORE';
2099 3098
2100$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3099$safe->permit_only (Opcode::opset qw(
3100 :base_core :base_mem :base_orig :base_math
3101 grepstart grepwhile mapstart mapwhile
3102 sort time
3103));
2101 3104
2102# here we export the classes and methods available to script code 3105# here we export the classes and methods available to script code
2103 3106
2104=pod 3107=pod
2105 3108
2106The following fucntions and emthods are available within a safe environment: 3109The following functions and methods are available within a safe environment:
2107 3110
2108 cf::object contr pay_amount pay_player map 3111 cf::object
3112 contr pay_amount pay_player map x y force_find force_add destroy
3113 insert remove name archname title slaying race decrease split
3114
2109 cf::object::player player 3115 cf::object::player
2110 cf::player peaceful 3116 player
2111 cf::map trigger 3117
3118 cf::player
3119 peaceful
3120
3121 cf::map
3122 trigger
2112 3123
2113=cut 3124=cut
2114 3125
2115for ( 3126for (
2116 ["cf::object" => qw(contr pay_amount pay_player map)], 3127 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128 insert remove inv nrof name archname title slaying race
3129 decrease split destroy)],
2117 ["cf::object::player" => qw(player)], 3130 ["cf::object::player" => qw(player)],
2118 ["cf::player" => qw(peaceful)], 3131 ["cf::player" => qw(peaceful)],
2119 ["cf::map" => qw(trigger)], 3132 ["cf::map" => qw(trigger)],
2120) { 3133) {
2121 no strict 'refs'; 3134 no strict 'refs';
2192=back 3205=back
2193 3206
2194=cut 3207=cut
2195 3208
2196############################################################################# 3209#############################################################################
2197
2198=head2 EXTENSION DATABASE SUPPORT
2199
2200Crossfire maintains a very simple database for extension use. It can
2201currently store anything that can be serialised using Storable, which
2202excludes objects.
2203
2204The parameter C<$family> should best start with the name of the extension
2205using it, it should be unique.
2206
2207=over 4
2208
2209=item $value = cf::db_get $family => $key
2210
2211Returns a single value from the database.
2212
2213=item cf::db_put $family => $key => $value
2214
2215Stores the given C<$value> in the family.
2216
2217=cut
2218
2219our $DB;
2220
2221sub db_init {
2222 unless ($DB) {
2223 $DB = BDB::db_create $DB_ENV;
2224
2225 cf::sync_job {
2226 eval {
2227 $DB->set_flags (BDB::CHKSUM);
2228
2229 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231 cf::cleanup "db_open(db): $!" if $!;
2232 };
2233 cf::cleanup "db_open(db): $@" if $@;
2234 };
2235
2236 my $path = cf::localdir . "/database.pst";
2237 if (stat $path) {
2238 cf::sync_job {
2239 my $pst = Storable::retrieve $path;
2240
2241 cf::db_put (board => data => $pst->{board});
2242 cf::db_put (guildrules => data => $pst->{guildrules});
2243 cf::db_put (rent => balance => $pst->{rent}{balance});
2244 BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246 unlink $path;
2247 };
2248 }
2249 }
2250}
2251
2252sub db_get($$) {
2253 my $key = "$_[0]/$_[1]";
2254
2255 cf::sync_job {
2256 BDB::db_get $DB, undef, $key, my $data;
2257
2258 $! ? ()
2259 : Compress::LZF::sthaw $data
2260 }
2261}
2262
2263sub db_put($$$) {
2264 BDB::dbreq_pri 4;
2265 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266}
2267
2268#############################################################################
2269# the server's init and main functions 3210# the server's init and main functions
2270 3211
2271sub init_resources { 3212sub load_facedata($) {
2272 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3213 my ($path) = @_;
3214
3215 # HACK to clear player env face cache, we need some signal framework
3216 # for this (global event?)
3217 %ext::player_env::MUSIC_FACE_CACHE = ();
3218
3219 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3220
3221 warn "loading facedata from $path\n";
3222
3223 my $facedata;
3224 0 < aio_load $path, $facedata
3225 or die "$path: $!";
3226
3227 $facedata = Coro::Storable::thaw $facedata;
3228
3229 $facedata->{version} == 2
3230 or cf::cleanup "$path: version mismatch, cannot proceed.";
3231
3232 # patch in the exptable
3233 $facedata->{resource}{"res/exp_table"} = {
3234 type => FT_RSRC,
3235 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3236 };
3237 cf::cede_to_tick;
3238
3239 {
3240 my $faces = $facedata->{faceinfo};
3241
3242 while (my ($face, $info) = each %$faces) {
3243 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244
3245 cf::face::set_visibility $idx, $info->{visibility};
3246 cf::face::set_magicmap $idx, $info->{magicmap};
3247 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3248 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3249
3250 cf::cede_to_tick;
3251 }
3252
3253 while (my ($face, $info) = each %$faces) {
3254 next unless $info->{smooth};
3255
3256 my $idx = cf::face::find $face
3257 or next;
3258
3259 if (my $smooth = cf::face::find $info->{smooth}) {
3260 cf::face::set_smooth $idx, $smooth;
3261 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3262 } else {
3263 warn "smooth face '$info->{smooth}' not found for face '$face'";
3264 }
3265
3266 cf::cede_to_tick;
3267 }
3268 }
3269
3270 {
3271 my $anims = $facedata->{animinfo};
3272
3273 while (my ($anim, $info) = each %$anims) {
3274 cf::anim::set $anim, $info->{frames}, $info->{facings};
3275 cf::cede_to_tick;
3276 }
3277
3278 cf::anim::invalidate_all; # d'oh
3279 }
3280
3281 {
3282 # TODO: for gcfclient pleasure, we should give resources
3283 # that gcfclient doesn't grok a >10000 face index.
3284 my $res = $facedata->{resource};
3285
3286 while (my ($name, $info) = each %$res) {
3287 if (defined $info->{type}) {
3288 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289 my $data;
3290
3291 if ($info->{type} & 1) {
3292 # prepend meta info
3293
3294 my $meta = $enc->encode ({
3295 name => $name,
3296 %{ $info->{meta} || {} },
3297 });
3298
3299 $data = pack "(w/a*)*", $meta, $info->{data};
3300 } else {
3301 $data = $info->{data};
3302 }
3303
3304 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305 cf::face::set_type $idx, $info->{type};
3306 } else {
3307 $RESOURCE{$name} = $info;
3308 }
3309
3310 cf::cede_to_tick;
3311 }
3312 }
3313
3314 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3315
3316 1
3317}
3318
3319cf::global->attach (on_resource_update => sub {
3320 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3321 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3322
3323 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3324 my $sound = $soundconf->{compat}[$_]
3325 or next;
3326
3327 my $face = cf::face::find "sound/$sound->[1]";
3328 cf::sound::set $sound->[0] => $face;
3329 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3330 }
3331
3332 while (my ($k, $v) = each %{$soundconf->{event}}) {
3333 my $face = cf::face::find "sound/$v";
3334 cf::sound::set $k => $face;
3335 }
3336 }
3337});
3338
3339register_exticmd fx_want => sub {
3340 my ($ns, $want) = @_;
3341
3342 while (my ($k, $v) = each %$want) {
3343 $ns->fx_want ($k, $v);
3344 }
3345};
3346
3347sub load_resource_file($) {
3348 my $guard = lock_acquire "load_resource_file";
3349
3350 my $status = load_resource_file_ $_[0];
3351 get_slot 0.1, 100;
3352 cf::arch::commit_load;
3353
3354 $status
3355}
3356
3357sub reload_regions {
3358 # HACK to clear player env face cache, we need some signal framework
3359 # for this (global event?)
3360 %ext::player_env::MUSIC_FACE_CACHE = ();
3361
3362 load_resource_file "$MAPDIR/regions"
2273 or die "unable to load regions file\n";#d# 3363 or die "unable to load regions file\n";
2274}
2275 3364
2276sub cfg_load { 3365 for (cf::region::list) {
3366 $_->{match} = qr/$_->{match}/
3367 if exists $_->{match};
3368 }
3369}
3370
3371sub reload_facedata {
3372 load_facedata "$DATADIR/facedata"
3373 or die "unable to load facedata\n";
3374}
3375
3376sub reload_archetypes {
3377 load_resource_file "$DATADIR/archetypes"
3378 or die "unable to load archetypes\n";
3379}
3380
3381sub reload_treasures {
3382 load_resource_file "$DATADIR/treasures"
3383 or die "unable to load treasurelists\n";
3384}
3385
3386sub reload_resources {
3387 warn "reloading resource files...\n";
3388
3389 reload_facedata;
3390 reload_archetypes;
3391 reload_regions;
3392 reload_treasures;
3393
3394 warn "finished reloading resource files\n";
3395}
3396
3397sub init {
3398 my $guard = freeze_mainloop;
3399
3400 reload_resources;
3401}
3402
3403sub reload_config {
2277 open my $fh, "<:utf8", cf::confdir . "/config" 3404 open my $fh, "<:utf8", "$CONFDIR/config"
2278 or return; 3405 or return;
2279 3406
2280 local $/; 3407 local $/;
2281 *CFG = YAML::Syck::Load <$fh>; 3408 *CFG = YAML::Load <$fh>;
2282 3409
2283 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3410 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284 3411
2285 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3412 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3413 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2292 }; 3419 };
2293 warn $@ if $@; 3420 warn $@ if $@;
2294 } 3421 }
2295} 3422}
2296 3423
2297sub init {
2298 init_resources;
2299}
2300
2301sub main { 3424sub main {
2302 # we must not ever block the main coroutine 3425 # we must not ever block the main coroutine
2303 local $Coro::idle = sub { 3426 local $Coro::idle = sub {
2304 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3427 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305 (async { 3428 (async {
2306 Event::one_event; 3429 $Coro::current->{desc} = "IDLE BUG HANDLER";
3430 EV::loop EV::LOOP_ONESHOT;
2307 })->prio (Coro::PRIO_MAX); 3431 })->prio (Coro::PRIO_MAX);
2308 }; 3432 };
2309 3433
2310 cfg_load; 3434 {
3435 my $guard = freeze_mainloop;
3436 reload_config;
2311 db_init; 3437 db_init;
2312 load_extensions; 3438 load_extensions;
2313 3439
2314 $TICK_WATCHER->start; 3440 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3441 evthread_start IO::AIO::poll_fileno;
3442 }
3443
2315 Event::loop; 3444 EV::loop;
2316} 3445}
2317 3446
2318############################################################################# 3447#############################################################################
2319# initialisation and cleanup 3448# initialisation and cleanup
2320 3449
2321# install some emergency cleanup handlers 3450# install some emergency cleanup handlers
2322BEGIN { 3451BEGIN {
3452 our %SIGWATCHER = ();
2323 for my $signal (qw(INT HUP TERM)) { 3453 for my $signal (qw(INT HUP TERM)) {
2324 Event->signal ( 3454 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2325 reentrant => 0,
2326 data => WF_AUTOCANCEL,
2327 signal => $signal,
2328 prio => 0,
2329 cb => sub {
2330 cf::cleanup "SIG$signal"; 3455 cf::cleanup "SIG$signal";
2331 },
2332 ); 3456 };
3457 }
3458}
3459
3460sub write_runtime_sync {
3461 my $runtime = "$LOCALDIR/runtime";
3462
3463 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time.
3465
3466 IO::AIO::aio_utime $runtime, undef, undef;
3467
3468 my $guard = cf::lock_acquire "write_runtime";
3469
3470 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3471 or return;
3472
3473 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server.
3476
3477 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3478 and return;
3479
3480 # always fsync - this file is important
3481 aio_fsync $fh
3482 and return;
3483
3484 # touch it again to show we are up-to-date
3485 aio_utime $fh, undef, undef;
3486
3487 close $fh
3488 or return;
3489
3490 aio_rename "$runtime~", $runtime
3491 and return;
3492
3493 warn "runtime file written.\n";
3494
2333 } 3495 1
3496}
3497
3498our $uuid_lock;
3499our $uuid_skip;
3500
3501sub write_uuid_sync($) {
3502 $uuid_skip ||= $_[0];
3503
3504 return if $uuid_lock;
3505 local $uuid_lock = 1;
3506
3507 my $uuid = "$LOCALDIR/uuid";
3508
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3513 $uuid_skip = 0;
3514
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return;
3517
3518 # always fsync - this file is important
3519 aio_fsync $fh
3520 and return;
3521
3522 close $fh
3523 or return;
3524
3525 aio_rename "$uuid~", $uuid
3526 and return;
3527
3528 warn "uuid file written ($value).\n";
3529
3530 1
3531
3532}
3533
3534sub write_uuid($$) {
3535 my ($skip, $sync) = @_;
3536
3537 $sync ? write_uuid_sync $skip
3538 : async { write_uuid_sync $skip };
2334} 3539}
2335 3540
2336sub emergency_save() { 3541sub emergency_save() {
2337 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
2338 3543
2344 # and maps saved/destroyed asynchronously. 3549 # and maps saved/destroyed asynchronously.
2345 warn "begin emergency player save\n"; 3550 warn "begin emergency player save\n";
2346 for my $login (keys %cf::PLAYER) { 3551 for my $login (keys %cf::PLAYER) {
2347 my $pl = $cf::PLAYER{$login} or next; 3552 my $pl = $cf::PLAYER{$login} or next;
2348 $pl->valid or next; 3553 $pl->valid or next;
3554 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349 $pl->save; 3555 $pl->save;
2350 } 3556 }
2351 warn "end emergency player save\n"; 3557 warn "end emergency player save\n";
2352 3558
2353 warn "begin emergency map save\n"; 3559 warn "begin emergency map save\n";
2359 warn "end emergency map save\n"; 3565 warn "end emergency map save\n";
2360 3566
2361 warn "begin emergency database checkpoint\n"; 3567 warn "begin emergency database checkpoint\n";
2362 BDB::db_env_txn_checkpoint $DB_ENV; 3568 BDB::db_env_txn_checkpoint $DB_ENV;
2363 warn "end emergency database checkpoint\n"; 3569 warn "end emergency database checkpoint\n";
3570
3571 warn "begin write uuid\n";
3572 write_uuid_sync 1;
3573 warn "end write uuid\n";
2364 }; 3574 };
2365 3575
2366 warn "leave emergency perl save\n"; 3576 warn "leave emergency perl save\n";
2367} 3577}
2368 3578
2371 3581
2372 warn Carp::longmess "post_cleanup backtrace" 3582 warn Carp::longmess "post_cleanup backtrace"
2373 if $make_core; 3583 if $make_core;
2374} 3584}
2375 3585
2376sub reload() { 3586sub do_reload_perl() {
2377 # can/must only be called in main 3587 # can/must only be called in main
2378 if ($Coro::current != $Coro::main) { 3588 if ($Coro::current != $Coro::main) {
2379 warn "can only reload from main coroutine"; 3589 warn "can only reload from main coroutine";
2380 return; 3590 return;
2381 } 3591 }
2383 warn "reloading..."; 3593 warn "reloading...";
2384 3594
2385 warn "entering sync_job"; 3595 warn "entering sync_job";
2386 3596
2387 cf::sync_job { 3597 cf::sync_job {
2388 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
2389 cf::emergency_save; 3599 cf::emergency_save;
2390 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2391 3601
2392 warn "syncing database to disk"; 3602 warn "syncing database to disk";
2393 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2394 3604
2395 # if anything goes wrong in here, we should simply crash as we already saved 3605 # if anything goes wrong in here, we should simply crash as we already saved
2396
2397 warn "cancelling all WF_AUTOCANCEL watchers";
2398 for (Event::all_watchers) {
2399 $_->cancel if $_->data & WF_AUTOCANCEL;
2400 }
2401 3606
2402 warn "flushing outstanding aio requests"; 3607 warn "flushing outstanding aio requests";
2403 for (;;) { 3608 for (;;) {
2404 BDB::flush; 3609 BDB::flush;
2405 IO::AIO::flush; 3610 IO::AIO::flush;
2406 Coro::cede; 3611 Coro::cede_notself;
2407 last unless IO::AIO::nreqs || BDB::nreqs; 3612 last unless IO::AIO::nreqs || BDB::nreqs;
2408 warn "iterate..."; 3613 warn "iterate...";
2409 } 3614 }
3615
3616 ++$RELOAD;
2410 3617
2411 warn "cancelling all extension coros"; 3618 warn "cancelling all extension coros";
2412 $_->cancel for values %EXT_CORO; 3619 $_->cancel for values %EXT_CORO;
2413 %EXT_CORO = (); 3620 %EXT_CORO = ();
2414 3621
2415 warn "removing commands"; 3622 warn "removing commands";
2416 %COMMAND = (); 3623 %COMMAND = ();
2417 3624
2418 warn "removing ext commands"; 3625 warn "removing ext/exti commands";
2419 %EXTCMD = (); 3626 %EXTCMD = ();
3627 %EXTICMD = ();
2420 3628
2421 warn "unloading/nuking all extensions"; 3629 warn "unloading/nuking all extensions";
2422 for my $pkg (@EXTS) { 3630 for my $pkg (@EXTS) {
2423 warn "... unloading $pkg"; 3631 warn "... unloading $pkg";
2424 3632
2454 Symbol::delete_package "safe::$_" 3662 Symbol::delete_package "safe::$_"
2455 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3663 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456 3664
2457 warn "unloading cf.pm \"a bit\""; 3665 warn "unloading cf.pm \"a bit\"";
2458 delete $INC{"cf.pm"}; 3666 delete $INC{"cf.pm"};
3667 delete $INC{"cf/pod.pm"};
2459 3668
2460 # don't, removes xs symbols, too, 3669 # don't, removes xs symbols, too,
2461 # and global variables created in xs 3670 # and global variables created in xs
2462 #Symbol::delete_package __PACKAGE__; 3671 #Symbol::delete_package __PACKAGE__;
2463 3672
2466 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
2467 require cf; 3676 require cf;
2468 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469 3678
2470 warn "loading config and database again"; 3679 warn "loading config and database again";
2471 cf::cfg_load; 3680 cf::reload_config;
2472 3681
2473 warn "loading extensions"; 3682 warn "loading extensions";
2474 cf::load_extensions; 3683 cf::load_extensions;
2475 3684
2476 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
2478 warn "reattaching attachments to maps"; 3687 warn "reattaching attachments to maps";
2479 reattach $_ for values %MAP; 3688 reattach $_ for values %MAP;
2480 warn "reattaching attachments to players"; 3689 warn "reattaching attachments to players";
2481 reattach $_ for values %PLAYER; 3690 reattach $_ for values %PLAYER;
2482 3691
2483 warn "loading reloadable resources";
2484 init_resources;
2485
2486 warn "leaving sync_job"; 3692 warn "leaving sync_job";
2487 3693
2488 1 3694 1
2489 } or do { 3695 } or do {
2490 warn $@; 3696 warn $@;
2491 warn "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
2492 exit 1;
2493 }; 3698 };
2494 3699
2495 warn "reloaded"; 3700 warn "reloaded";
2496}; 3701};
2497 3702
2498our $RELOAD_WATCHER; # used only during reload 3703our $RELOAD_WATCHER; # used only during reload
2499 3704
3705sub reload_perl() {
3706 # doing reload synchronously and two reloads happen back-to-back,
3707 # coro crashes during coro_state_free->destroy here.
3708
3709 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3710 do_reload_perl;
3711 undef $RELOAD_WATCHER;
3712 };
3713}
3714
2500register_command "reload" => sub { 3715register_command "reload" => sub {
2501 my ($who, $arg) = @_; 3716 my ($who, $arg) = @_;
2502 3717
2503 if ($who->flag (FLAG_WIZ)) { 3718 if ($who->flag (FLAG_WIZ)) {
2504 $who->message ("reloading server."); 3719 $who->message ("reloading server.");
2505 3720 async {
2506 # doing reload synchronously and two reloads happen back-to-back, 3721 $Coro::current->{desc} = "perl_reload";
2507 # coro crashes during coro_state_free->destroy here.
2508
2509 $RELOAD_WATCHER ||= Event->timer (
2510 reentrant => 0,
2511 after => 0,
2512 data => WF_AUTOCANCEL,
2513 cb => sub {
2514 reload; 3722 reload_perl;
2515 undef $RELOAD_WATCHER;
2516 },
2517 ); 3723 };
2518 } 3724 }
2519}; 3725};
2520 3726
2521unshift @INC, $LIBDIR; 3727unshift @INC, $LIBDIR;
2522 3728
2523my $bug_warning = 0; 3729my $bug_warning = 0;
2524 3730
2525$TICK_WATCHER = Event->timer ( 3731our @WAIT_FOR_TICK;
2526 reentrant => 0, 3732our @WAIT_FOR_TICK_BEGIN;
2527 parked => 1, 3733
2528 prio => 0, 3734sub wait_for_tick {
2529 at => $NEXT_TICK || $TICK, 3735 return if tick_inhibit || $Coro::current == $Coro::main;
2530 data => WF_AUTOCANCEL, 3736
2531 cb => sub { 3737 my $signal = new Coro::Signal;
3738 push @WAIT_FOR_TICK, $signal;
3739 $signal->wait;
3740}
3741
3742sub wait_for_tick_begin {
3743 return if tick_inhibit || $Coro::current == $Coro::main;
3744
3745 my $signal = new Coro::Signal;
3746 push @WAIT_FOR_TICK_BEGIN, $signal;
3747 $signal->wait;
3748}
3749
3750sub tick {
2532 if ($Coro::current != $Coro::main) { 3751 if ($Coro::current != $Coro::main) {
2533 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3752 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534 unless ++$bug_warning > 10; 3753 unless ++$bug_warning > 10;
2535 return; 3754 return;
2536 } 3755 }
2537 3756
2538 $NOW = Event::time;
2539
2540 cf::server_tick; # one server iteration 3757 cf::server_tick; # one server iteration
2541 $RUNTIME += $TICK;
2542 $NEXT_TICK += $TICK;
2543 3758
2544 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3759 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545 $NEXT_RUNTIME_WRITE = $NOW + 10; 3760 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2546 Coro::async_pool { 3761 Coro::async_pool {
3762 $Coro::current->{desc} = "runtime saver";
2547 write_runtime 3763 write_runtime_sync
2548 or warn "ERROR: unable to write runtime file: $!"; 3764 or warn "ERROR: unable to write runtime file: $!";
2549 };
2550 } 3765 };
2551
2552 $WAIT_FOR_TICK->broadcast;
2553 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555# my $AFTER = Event::time;
2556# warn $AFTER - $NOW;#d#
2557
2558 # if we are delayed by four ticks or more, skip them all
2559 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2560
2561 $TICK_WATCHER->at ($NEXT_TICK);
2562 $TICK_WATCHER->start;
2563 }, 3766 }
2564); 3767
3768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3769 $sig->send;
3770 }
3771 while (my $sig = shift @WAIT_FOR_TICK) {
3772 $sig->send;
3773 }
3774
3775 $LOAD = ($NOW - $TICK_START) / $TICK;
3776 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3777
3778 if (0) {
3779 if ($NEXT_TICK) {
3780 my $jitter = $TICK_START - $NEXT_TICK;
3781 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3782 warn "jitter $JITTER\n";#d#
3783 }
3784 }
3785}
2565 3786
2566{ 3787{
2567 BDB::max_poll_time $TICK * 0.1; 3788 # configure BDB
2568 $BDB_POLL_WATCHER = Event->io ( 3789
2569 reentrant => 0,
2570 fd => BDB::poll_fileno,
2571 poll => 'r',
2572 prio => 0,
2573 data => WF_AUTOCANCEL,
2574 cb => \&BDB::poll_cb,
2575 );
2576 BDB::min_parallel 8; 3790 BDB::min_parallel 8;
2577 3791 BDB::max_poll_reqs $TICK * 0.1;
2578 BDB::set_sync_prepare { 3792 $Coro::BDB::WATCHER->priority (1);
2579 my $status;
2580 my $current = $Coro::current;
2581 (
2582 sub {
2583 $status = $!;
2584 $current->ready; undef $current;
2585 },
2586 sub {
2587 Coro::schedule while defined $current;
2588 $! = $status;
2589 },
2590 )
2591 };
2592 3793
2593 unless ($DB_ENV) { 3794 unless ($DB_ENV) {
2594 $DB_ENV = BDB::db_env_create; 3795 $DB_ENV = BDB::db_env_create;
3796 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3797 | BDB::LOG_AUTOREMOVE, 1);
3798 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595 3800
2596 cf::sync_job { 3801 cf::sync_job {
2597 eval { 3802 eval {
2598 BDB::db_env_open 3803 BDB::db_env_open
2599 $DB_ENV, 3804 $DB_ENV,
2600 $BDB_ENV_DIR, 3805 $BDBDIR,
2601 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3806 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3807 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603 0666; 3808 0666;
2604 3809
2605 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3810 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608 $DB_ENV->set_lk_detect;
2609 }; 3811 };
2610 3812
2611 cf::cleanup "db_env_open(db): $@" if $@; 3813 cf::cleanup "db_env_open(db): $@" if $@;
2612 }; 3814 };
2613 } 3815 }
3816
3817 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3818 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3819 };
3820 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3821 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3822 };
3823 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3824 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3825 };
2614} 3826}
2615 3827
2616{ 3828{
3829 # configure IO::AIO
3830
2617 IO::AIO::min_parallel 8; 3831 IO::AIO::min_parallel 8;
2618
2619 undef $Coro::AIO::WATCHER;
2620 IO::AIO::max_poll_time $TICK * 0.1; 3832 IO::AIO::max_poll_time $TICK * 0.1;
2621 $AIO_POLL_WATCHER = Event->io ( 3833 $Coro::AIO::WATCHER->priority (1);
2622 reentrant => 0,
2623 data => WF_AUTOCANCEL,
2624 fd => IO::AIO::poll_fileno,
2625 poll => 'r',
2626 prio => 6,
2627 cb => \&IO::AIO::poll_cb,
2628 );
2629} 3834}
3835
3836my $_log_backtrace;
3837
3838sub _log_backtrace {
3839 my ($msg, @addr) = @_;
3840
3841 $msg =~ s/\n//;
3842
3843 # limit the # of concurrent backtraces
3844 if ($_log_backtrace < 2) {
3845 ++$_log_backtrace;
3846 async {
3847 $Coro::current->{desc} = "abt $msg";
3848
3849 my @bt = fork_call {
3850 @addr = map { sprintf "%x", $_ } @addr;
3851 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3852 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3853 or die "addr2line: $!";
3854
3855 my @funcs;
3856 my @res = <$fh>;
3857 chomp for @res;
3858 while (@res) {
3859 my ($func, $line) = splice @res, 0, 2, ();
3860 push @funcs, "[$func] $line";
3861 }
3862
3863 @funcs
3864 };
3865
3866 LOG llevInfo, "[ABT] $msg\n";
3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3868 --$_log_backtrace;
3869 };
3870 } else {
3871 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] [suppressed]\n";
3873 }
3874}
3875
3876# load additional modules
3877use cf::pod;
2630 3878
2631END { cf::emergency_save } 3879END { cf::emergency_save }
2632 3880
26331 38811
2634 3882

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