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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.416 by root, Fri Apr 11 13:59:06 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 $WRITE_RUNTIME_WATCHER; 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}
278 $WRITE_RUNTIME_WATCHER->start; 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($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
279 }; 428 }
280 $WRITE_RUNTIME_WATCHER->stop; 429};
281 $TICK_WATCHER->stop; 430
282 $guard 431sub get_slot($;$$) {
432 my ($time, $pri, $name) = @_;
433
434 $time = $TICK * .6 if $time > $TICK * .6;
435 my $sig = new Coro::Signal;
436
437 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439 $SLOT_QUEUE->ready;
440 $sig->wait;
283} 441}
284 442
285=item cf::async { BLOCK } 443=item cf::async { BLOCK }
286 444
287Currently the same as Coro::async_pool, meaning you cannot use 445Currently the same as Coro::async_pool, meaning you cannot use
… …
292 450
293BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
294 452
295=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
296 454
297The design of crossfire+ requires that the main coro ($Coro::main) is 455The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 456is always able to handle events or runnable, as Deliantra is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
458acceptable.
300 459
301If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 462server will be frozen during this time, so the block should either finish
304fast or be very important. 463fast or be very important.
… …
307 466
308sub sync_job(&) { 467sub sync_job(&) {
309 my ($job) = @_; 468 my ($job) = @_;
310 469
311 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
471 my $time = EV::time;
472
312 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
314 475
315 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
316 # (but this is cancel-safe) 477
317 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
318 479
319 my $busy = 1; 480 my $busy = 1;
320 my @res; 481 my @res;
321 482
322 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 485 @res = eval { $job->() };
324 warn $@ if $@; 486 warn $@ if $@;
325 undef $busy; 487 undef $busy;
326 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
327 489
328 while ($busy) { 490 while ($busy) {
329 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
330 } 495 }
496 }
497
498 my $time = EV::time - $time;
499
500 $TICK_START += $time; # do not account sync jobs to server load
331 501
332 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
333 } else { 503 } else {
334 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
335 505
… …
355 $EXT_CORO{$coro+0} = $coro; 525 $EXT_CORO{$coro+0} = $coro;
356 526
357 $coro 527 $coro
358} 528}
359 529
360sub write_runtime { 530=item fork_call { }, $args
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362 531
363 my $runtime = cf::localdir . "/runtime"; 532Executes the given code block with the given arguments in a seperate
533process, returning the results. Everything must be serialisable with
534Coro::Storable. May, of course, block. Note that the executed sub may
535never block itself or use any form of event handling.
364 536
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 537=cut
366 or return;
367 538
368 my $value = $cf::RUNTIME + 90 + 10; 539sub fork_call(&@) {
369 # 10 is the runtime save interval, for a monotonic clock 540 my ($cb, @args) = @_;
370 # 60 allows for the watchdog to kill the server.
371 541
372 (aio_write $fh, 0, (length $value), $value, 0) <= 0 542 # we seemingly have to make a local copy of the whole thing,
373 and return; 543 # otherwise perl prematurely frees the stuff :/
544 # TODO: investigate and fix (likely this will be rather laborious)
374 545
375 # always fsync - this file is important 546 my @res = Coro::Util::fork_eval {
376 aio_fsync $fh 547 reset_signals;
377 and return; 548 &$cb
549 }, @args;
378 550
379 close $fh 551 wantarray ? @res : $res[-1]
380 or return; 552}
381 553
382 aio_rename "$runtime~", $runtime 554=item $coin = coin_from_name $name
383 and return;
384 555
556=cut
557
558our %coin_alias = (
559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
574
575sub coin_from_name($) {
576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
579}
580
581=item $value = cf::db_get $family => $key
582
583Returns a single value from the environment database.
584
585=item cf::db_put $family => $key => $value
586
587Stores the given C<$value> in the family. It can currently store binary
588data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
589
590=item $db = cf::db_table "name"
591
592Create and/or open a new database table. The string must not be "db" and must be unique
593within each server.
594
595=cut
596
597sub db_table($) {
598 my ($name) = @_;
599 my $db = BDB::db_create $DB_ENV;
600
601 eval {
602 $db->set_flags (BDB::CHKSUM);
603
604 utf8::encode $name;
605 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
606 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
607 cf::cleanup "db_open(db): $!" if $!;
608 };
609 cf::cleanup "db_open(db): $@" if $@;
610
611 $db
612}
613
614our $DB;
615
616sub db_init {
617 cf::sync_job {
618 $DB ||= db_table "db";
619 };
620}
621
622sub db_get($$) {
623 my $key = "$_[0]/$_[1]";
624
625 cf::sync_job {
626 BDB::db_get $DB, undef, $key, my $data;
627
628 $! ? ()
629 : $data
385 1 630 }
631}
632
633sub db_put($$$) {
634 BDB::dbreq_pri 4;
635 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
636}
637
638=item cf::cache $id => [$paths...], $processversion => $process
639
640Generic caching function that returns the value of the resource $id,
641caching and regenerating as required.
642
643This function can block.
644
645=cut
646
647sub cache {
648 my ($id, $src, $processversion, $process) = @_;
649
650 my $meta =
651 join "\x00",
652 $processversion,
653 map {
654 aio_stat $_
655 and Carp::croak "$_: $!";
656
657 ($_, (stat _)[7,9])
658 } @$src;
659
660 my $dbmeta = db_get cache => "$id/meta";
661 if ($dbmeta ne $meta) {
662 # changed, we may need to process
663
664 my @data;
665 my $md5;
666
667 for (0 .. $#$src) {
668 0 <= aio_load $src->[$_], $data[$_]
669 or Carp::croak "$src->[$_]: $!";
670 }
671
672 # if processing is expensive, check
673 # checksum first
674 if (1) {
675 $md5 =
676 join "\x00",
677 $processversion,
678 map {
679 cf::cede_to_tick;
680 ($src->[$_], Digest::MD5::md5_hex $data[$_])
681 } 0.. $#$src;
682
683
684 my $dbmd5 = db_get cache => "$id/md5";
685 if ($dbmd5 eq $md5) {
686 db_put cache => "$id/meta", $meta;
687
688 return db_get cache => "$id/data";
689 }
690 }
691
692 my $t1 = Time::HiRes::time;
693 my $data = $process->(\@data);
694 my $t2 = Time::HiRes::time;
695
696 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
697
698 db_put cache => "$id/data", $data;
699 db_put cache => "$id/md5" , $md5;
700 db_put cache => "$id/meta", $meta;
701
702 return $data;
703 }
704
705 db_get cache => "$id/data"
706}
707
708=item cf::datalog type => key => value, ...
709
710Log a datalog packet of the given type with the given key-value pairs.
711
712=cut
713
714sub datalog($@) {
715 my ($type, %kv) = @_;
716 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386} 717}
387 718
388=back 719=back
389 720
390=cut 721=cut
… …
397attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
398to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
399 730
400In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
401C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
402crossfire+). 733Deliantra).
403 734
404=over 4 735=over 4
405 736
406=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
407 738
… …
570 $registry = $CB_TYPE[$object_type] ||= []; 901 $registry = $CB_TYPE[$object_type] ||= [];
571 902
572 } elsif ($type eq "subtype") { 903 } elsif ($type eq "subtype") {
573 defined $object_type or Carp::croak "subtype specified without type"; 904 defined $object_type or Carp::croak "subtype specified without type";
574 my $object_subtype = shift @arg; 905 my $object_subtype = shift @arg;
575 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 906 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576 907
577 } elsif ($type eq "package") { 908 } elsif ($type eq "package") {
578 my $pkg = shift @arg; 909 my $pkg = shift @arg;
579 910
580 while (my ($name, $id) = each %cb_id) { 911 while (my ($name, $id) = each %cb_id) {
… …
609 _attach $registry, $klass, @attach; 940 _attach $registry, $klass, @attach;
610 } 941 }
611 942
612 $obj->{$name} = \%arg; 943 $obj->{$name} = \%arg;
613 } else { 944 } else {
614 warn "object uses attachment '$name' that is not available, postponing.\n"; 945 warn "object uses attachment '$name' which is not available, postponing.\n";
615 } 946 }
616 947
617 $obj->{_attachment}{$name} = undef; 948 $obj->{_attachment}{$name} = undef;
618} 949}
619 950
… …
621 if (ref $_[0]) { 952 if (ref $_[0]) {
622 _object_attach @_; 953 _object_attach @_;
623 } else { 954 } else {
624 _attach shift->_attach_registry, @_; 955 _attach shift->_attach_registry, @_;
625 } 956 }
957 _recalc_want;
626}; 958};
627 959
628# all those should be optimised 960# all those should be optimised
629sub cf::attachable::detach { 961sub cf::attachable::detach {
630 my ($obj, $name) = @_; 962 my ($obj, $name) = @_;
… …
633 delete $obj->{_attachment}{$name}; 965 delete $obj->{_attachment}{$name};
634 reattach ($obj); 966 reattach ($obj);
635 } else { 967 } else {
636 Carp::croak "cannot, currently, detach class attachments"; 968 Carp::croak "cannot, currently, detach class attachments";
637 } 969 }
970 _recalc_want;
638}; 971};
639 972
640sub cf::attachable::attached { 973sub cf::attachable::attached {
641 my ($obj, $name) = @_; 974 my ($obj, $name) = @_;
642 975
… …
657 "; 990 ";
658 die if $@; 991 die if $@;
659} 992}
660 993
661our $override; 994our $override;
662our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 995our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663 996
664sub override { 997sub override {
665 $override = 1; 998 $override = 1;
666 @invoke_results = (); 999 @INVOKE_RESULTS = (@_);
667} 1000}
668 1001
669sub do_invoke { 1002sub do_invoke {
670 my $event = shift; 1003 my $event = shift;
671 my $callbacks = shift; 1004 my $callbacks = shift;
672 1005
673 @invoke_results = (); 1006 @INVOKE_RESULTS = ();
674 1007
675 local $override; 1008 local $override;
676 1009
677 for (@$callbacks) { 1010 for (@$callbacks) {
678 eval { &{$_->[1]} }; 1011 eval { &{$_->[1]} };
… …
687 } 1020 }
688 1021
689 0 1022 0
690} 1023}
691 1024
692=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693 1026
694=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695 1028
696Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
697 1030
698This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1031This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699removed in future versions), and there is no public API to access override 1032removed in future versions), and there is no public API to access override
700results (if you must, access C<@cf::invoke_results> directly). 1033results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701 1034
702=back 1035=back
703 1036
704=cut 1037=cut
705 1038
706############################################################################# 1039#############################################################################
707# object support 1040# object support
1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
1075sub _can_merge {
1076 my ($ob1, $ob2) = @_;
1077
1078 ++$SLOW_MERGES;#d#
1079
1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
1082}
708 1083
709sub reattach { 1084sub reattach {
710 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
711 my ($obj) = @_; 1086 my ($obj) = @_;
712 1087
… …
733cf::attachable->attach ( 1108cf::attachable->attach (
734 prio => -1000000, 1109 prio => -1000000,
735 on_instantiate => sub { 1110 on_instantiate => sub {
736 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
737 1112
738 $data = from_json $data; 1113 $data = decode_json $data;
739 1114
740 for (@$data) { 1115 for (@$data) {
741 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
742 1117
743 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
… …
759sub object_freezer_save { 1134sub object_freezer_save {
760 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
761 1136
762 sync_job { 1137 sync_job {
763 if (length $$rdata) { 1138 if (length $$rdata) {
1139 utf8::decode (my $decname = $filename);
764 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
765 $filename, length $$rdata, scalar @$objs; 1141 $decname, length $$rdata, scalar @$objs;
766 1142
767 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1143 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768 chmod SAVE_MODE, $fh; 1144 chmod SAVE_MODE, $fh;
769 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1145 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770 aio_fsync $fh if $cf::USE_FSYNC; 1146 aio_fsync $fh if $cf::USE_FSYNC;
771 close $fh; 1147 close $fh;
772 1148
773 if (@$objs) { 1149 if (@$objs) {
774 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1150 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
776 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
778 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
779 close $fh; 1155 close $fh;
780 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
781 } 1157 }
… …
789 } 1165 }
790 } else { 1166 } else {
791 aio_unlink $filename; 1167 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
793 } 1169 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 1170 };
801} 1171}
802 1172
803sub object_freezer_as_string { 1173sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
805 1175
… …
810 1180
811sub object_thawer_load { 1181sub object_thawer_load {
812 my ($filename) = @_; 1182 my ($filename) = @_;
813 1183
814 my ($data, $av); 1184 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 1185
819 (aio_load $filename, $data) >= 0 1186 (aio_load $filename, $data) >= 0
820 or return; 1187 or return;
821 1188
822 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
823 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
824 or return; 1191 or return;
1192
825 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
826 } 1195 }
827 1196
1197 utf8::decode (my $decname = $filename);
828 warn sprintf "loading %s (%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
829 $filename, length $data, scalar @{$av || []};#d# 1199 $decname, length $data, scalar @{$av || []};
1200
830 return ($data, $av); 1201 ($data, $av)
831} 1202}
1203
1204=head2 COMMAND CALLBACKS
1205
1206=over 4
1207
1208=cut
832 1209
833############################################################################# 1210#############################################################################
834# command handling &c 1211# command handling &c
835 1212
836=item cf::register_command $name => \&callback($ob,$args); 1213=item cf::register_command $name => \&callback($ob,$args);
… …
849 push @{ $COMMAND{$name} }, [$caller, $cb]; 1226 push @{ $COMMAND{$name} }, [$caller, $cb];
850} 1227}
851 1228
852=item cf::register_extcmd $name => \&callback($pl,$packet); 1229=item cf::register_extcmd $name => \&callback($pl,$packet);
853 1230
854Register a callbackf ro execution when the client sends an extcmd packet. 1231Register a callback for execution when the client sends an (synchronous)
1232extcmd packet. Ext commands will be processed in the order they are
1233received by the server, like other user commands. The first argument is
1234the logged-in player. Ext commands can only be processed after a player
1235has logged in successfully.
855 1236
856If the callback returns something, it is sent back as if reply was being 1237If the callback returns something, it is sent back as if reply was being
857called. 1238called.
858 1239
1240=item cf::register_exticmd $name => \&callback($ns,$packet);
1241
1242Register a callback for execution when the client sends an (asynchronous)
1243exticmd packet. Exti commands are processed by the server as soon as they
1244are received, i.e. out of order w.r.t. other commands. The first argument
1245is a client socket. Exti commands can be received anytime, even before
1246log-in.
1247
1248If the callback returns something, it is sent back as if reply was being
1249called.
1250
859=cut 1251=cut
860 1252
861sub register_extcmd { 1253sub register_extcmd {
862 my ($name, $cb) = @_; 1254 my ($name, $cb) = @_;
863 1255
864 $EXTCMD{$name} = $cb; 1256 $EXTCMD{$name} = $cb;
1257}
1258
1259sub register_exticmd {
1260 my ($name, $cb) = @_;
1261
1262 $EXTICMD{$name} = $cb;
865} 1263}
866 1264
867cf::player->attach ( 1265cf::player->attach (
868 on_command => sub { 1266 on_command => sub {
869 my ($pl, $name, $params) = @_; 1267 my ($pl, $name, $params) = @_;
… …
878 cf::override; 1276 cf::override;
879 }, 1277 },
880 on_extcmd => sub { 1278 on_extcmd => sub {
881 my ($pl, $buf) = @_; 1279 my ($pl, $buf) = @_;
882 1280
883 my $msg = eval { from_json $buf }; 1281 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884 1282
885 if (ref $msg) { 1283 if (ref $msg) {
1284 my ($type, $reply, @payload) =
1285 "ARRAY" eq ref $msg
1286 ? @$msg
1287 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288
1289 my @reply;
1290
886 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1291 if (my $cb = $EXTCMD{$type}) {
887 if (my %reply = $cb->($pl, $msg)) { 1292 @reply = $cb->($pl, @payload);
888 $pl->ext_reply ($msg->{msgid}, %reply);
889 }
890 } 1293 }
1294
1295 $pl->ext_reply ($reply, @reply)
1296 if $reply;
1297
891 } else { 1298 } else {
892 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1299 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893 } 1300 }
894 1301
895 cf::override; 1302 cf::override;
896 }, 1303 },
897); 1304);
898 1305
899sub load_extension {
900 my ($path) = @_;
901
902 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
903 my $base = $1;
904 my $pkg = $1;
905 $pkg =~ s/[^[:word:]]/_/g;
906 $pkg = "ext::$pkg";
907
908 warn "... loading '$path' into '$pkg'\n";
909
910 open my $fh, "<:utf8", $path
911 or die "$path: $!";
912
913 my $source =
914 "package $pkg; use strict; use utf8;\n"
915 . "#line 1 \"$path\"\n{\n"
916 . (do { local $/; <$fh> })
917 . "\n};\n1";
918
919 unless (eval $source) {
920 my $msg = $@ ? "$path: $@\n"
921 : "extension disabled.\n";
922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923 warn $@;
924 warn "mandatory extension failed to load, exiting.\n";
925 exit 1;
926 }
927 die $@;
928 }
929
930 push @EXTS, $pkg;
931}
932
933sub load_extensions { 1306sub load_extensions {
1307 cf::sync_job {
1308 my %todo;
1309
934 for my $ext (<$LIBDIR/*.ext>) { 1310 for my $path (<$LIBDIR/*.ext>) {
935 next unless -r $ext; 1311 next unless -r $path;
936 eval { 1312
937 load_extension $ext; 1313 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1314 my $base = $1;
1315 my $pkg = $1;
1316 $pkg =~ s/[^[:word:]]/_/g;
1317 $pkg = "ext::$pkg";
1318
1319 open my $fh, "<:utf8", $path
1320 or die "$path: $!";
1321
1322 my $source = do { local $/; <$fh> };
1323
1324 my %ext = (
1325 path => $path,
1326 base => $base,
1327 pkg => $pkg,
1328 );
1329
1330 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332
1333 $ext{source} =
1334 "package $pkg; use strict; use utf8;\n"
1335 . "#line 1 \"$path\"\n{\n"
1336 . $source
1337 . "\n};\n1";
1338
1339 $todo{$base} = \%ext;
1340 }
1341
1342 my %done;
1343 while (%todo) {
1344 my $progress;
1345
1346 while (my ($k, $v) = each %todo) {
1347 for (split /,\s*/, $v->{meta}{depends}) {
1348 goto skip
1349 unless exists $done{$_};
1350 }
1351
1352 warn "... loading '$k' into '$v->{pkg}'\n";
1353
1354 unless (eval $v->{source}) {
1355 my $msg = $@ ? "$v->{path}: $@\n"
1356 : "$v->{base}: extension inactive.\n";
1357
1358 if (exists $v->{meta}{mandatory}) {
1359 warn $msg;
1360 cf::cleanup "mandatory extension failed to load, exiting.";
1361 }
1362
1363 warn $msg;
1364 }
1365
1366 $done{$k} = delete $todo{$k};
1367 push @EXTS, $v->{pkg};
1368 $progress = 1;
938 1 1369 }
939 } or warn "$ext not loaded: $@"; 1370
1371 skip:
1372 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1373 unless $progress;
1374 }
940 } 1375 };
941} 1376}
942 1377
943############################################################################# 1378#############################################################################
944 1379
1380=back
1381
945=head2 CORE EXTENSIONS 1382=head2 CORE EXTENSIONS
946 1383
947Functions and methods that extend core crossfire objects. 1384Functions and methods that extend core crossfire objects.
948 1385
949=cut 1386=cut
… …
954 1391
955=head3 cf::player 1392=head3 cf::player
956 1393
957=over 4 1394=over 4
958 1395
1396=item cf::player::num_playing
1397
1398Returns the official number of playing players, as per the Crossfire metaserver rules.
1399
1400=cut
1401
1402sub num_playing {
1403 scalar grep
1404 $_->ob->map
1405 && !$_->hidden
1406 && !$_->ob->flag (cf::FLAG_WIZ),
1407 cf::player::list
1408}
1409
959=item cf::player::find $login 1410=item cf::player::find $login
960 1411
961Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
962 1413
963=cut 1414=cut
964 1415
965sub playerdir($) { 1416sub playerdir($) {
966 cf::localdir 1417 "$PLAYERDIR/"
967 . "/"
968 . cf::playerdir
969 . "/"
970 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1418 . (ref $_[0] ? $_[0]->ob->name : $_[0])
971} 1419}
972 1420
973sub path($) { 1421sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1422 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 1423
976 (playerdir $login) . "/$login.pl" 1424 (playerdir $login) . "/playerdata"
977} 1425}
978 1426
979sub find_active($) { 1427sub find_active($) {
980 $cf::PLAYER{$_[0]} 1428 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 1429 and $cf::PLAYER{$_[0]}->active
… …
994 my $login = $_[0]; 1442 my $login = $_[0];
995 1443
996 my $guard = cf::lock_acquire "user_find:$login"; 1444 my $guard = cf::lock_acquire "user_find:$login";
997 1445
998 $cf::PLAYER{$_[0]} || do { 1446 $cf::PLAYER{$_[0]} || do {
999 my $pl = load_pl path $login 1447 # rename old playerfiles to new ones
1448 #TODO: remove when no longer required
1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1452 aio_unlink +(playerdir $login) . "/$login.pl";
1453
1454 my $f = new_from_file cf::object::thawer path $login
1000 or return; 1455 or return;
1456
1457 my $pl = cf::player::load_pl $f
1458 or return;
1459 local $cf::PLAYER_LOADING{$login} = $pl;
1460 $f->resolve_delayed_derefs;
1001 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1002 } 1462 }
1003 } 1463 }
1004} 1464}
1005 1465
… …
1015 1475
1016 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1017 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1018 1478
1019 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1020 Coro::cede; 1480 cf::cede_to_tick;
1021} 1481}
1022 1482
1023sub new($) { 1483sub new($) {
1024 my ($login) = @_; 1484 my ($login) = @_;
1025 1485
… …
1031 $cf::PLAYER{$login} = $self; 1491 $cf::PLAYER{$login} = $self;
1032 1492
1033 $self 1493 $self
1034} 1494}
1035 1495
1496=item $player->send_msg ($channel, $msg, $color, [extra...])
1497
1498=cut
1499
1500sub send_msg {
1501 my $ns = shift->ns
1502 or return;
1503 $ns->send_msg (@_);
1504}
1505
1036=item $pl->quit_character 1506=item $pl->quit_character
1037 1507
1038Nukes the player without looking back. If logged in, the connection will 1508Nukes the player without looking back. If logged in, the connection will
1039be destroyed. May block for a long time. 1509be destroyed. May block for a long time.
1040 1510
1041=cut 1511=cut
1042 1512
1043sub quit_character { 1513sub quit_character {
1044 my ($pl) = @_; 1514 my ($pl) = @_;
1515
1516 my $name = $pl->ob->name;
1045 1517
1046 $pl->{deny_save} = 1; 1518 $pl->{deny_save} = 1;
1047 $pl->password ("*"); # this should lock out the player until we nuked the dir 1519 $pl->password ("*"); # this should lock out the player until we nuked the dir
1048 1520
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1521 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1054 my $path = playerdir $pl; 1526 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1527 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1528 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1529 delete $cf::PLAYER{$pl->ob->name};
1058 $pl->destroy; 1530 $pl->destroy;
1531
1532 my $prefix = qr<^~\Q$name\E/>;
1533
1534 # nuke player maps
1535 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1536
1059 IO::AIO::aio_rmtree $temp; 1537 IO::AIO::aio_rmtree $temp;
1538}
1539
1540=item $pl->kick
1541
1542Kicks a player out of the game. This destroys the connection.
1543
1544=cut
1545
1546sub kick {
1547 my ($pl, $kicker) = @_;
1548
1549 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1550 $pl->killer ("kicked");
1551 $pl->ns->destroy;
1060} 1552}
1061 1553
1062=item cf::player::list_logins 1554=item cf::player::list_logins
1063 1555
1064Returns am arrayref of all valid playernames in the system, can take a 1556Returns am arrayref of all valid playernames in the system, can take a
1065while and may block, so not sync_job-capable, ever. 1557while and may block, so not sync_job-capable, ever.
1066 1558
1067=cut 1559=cut
1068 1560
1069sub list_logins { 1561sub list_logins {
1070 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1562 my $dirs = aio_readdir $PLAYERDIR
1071 or return []; 1563 or return [];
1072 1564
1073 my @logins; 1565 my @logins;
1074 1566
1075 for my $login (@$dirs) { 1567 for my $login (@$dirs) {
1568 my $path = path $login;
1569
1570 # a .pst is a dead give-away for a valid player
1571 unless (-e "$path.pst") {
1076 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1078 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1079 1576
1080 utf8::decode $login; 1577 utf8::decode $login;
1081 push @logins, $login; 1578 push @logins, $login;
1082 } 1579 }
1083 1580
… …
1110 } 1607 }
1111 1608
1112 \@paths 1609 \@paths
1113} 1610}
1114 1611
1612=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1613
1614Expand crossfire pod fragments into protocol xml.
1615
1616=cut
1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1629sub expand_cfpod {
1630 my ($self, $pod) = @_;
1631
1632 my $xml;
1633
1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1637
1638 $group =~ s/&/&amp;/g;
1639 $group =~ s/</&lt;/g;
1640
1641 $xml .= $group;
1642 } elsif ($pod =~ m%\G
1643 ([BCGHITU])
1644 <
1645 (?:
1646 ([^<>]*) (?{ $group = $^N })
1647 | < $interior >
1648 )
1649 >
1650 %gcsx
1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671 "")
1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1683
1684 for ($xml) {
1685 # create single paragraphs (very hackish)
1686 s/(?<=\S)\n(?=\w)/ /g;
1687
1688 # compress some whitespace
1689 s/\s+\n/\n/g; # ws line-ends
1690 s/\n\n+/\n/g; # double lines
1691 s/^\n+//; # beginning lines
1692 s/\n+$//; # ending lines
1693 }
1694
1695 $xml
1696}
1697
1698no re 'eval';
1699
1700sub hintmode {
1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1702 $_[0]{hintmode}
1703}
1704
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1705=item $player->ext_reply ($msgid, @msg)
1116 1706
1117Sends an ext reply to the player. 1707Sends an ext reply to the player.
1118 1708
1119=cut 1709=cut
1120 1710
1121sub ext_reply($$$%) { 1711sub ext_reply($$@) {
1122 my ($self, $id, %msg) = @_; 1712 my ($self, $id, @msg) = @_;
1123 1713
1124 $msg{msgid} = $id; 1714 $self->ns->ext_reply ($id, @msg)
1125
1126 $self->send ("ext " . cf::to_json \%msg);
1127} 1715}
1128 1716
1129package cf; 1717=item $player->ext_msg ($type, @msg)
1718
1719Sends an ext event to the client.
1720
1721=cut
1722
1723sub ext_msg($$@) {
1724 my ($self, $type, @msg) = @_;
1725
1726 $self->ns->ext_msg ($type, @msg);
1727}
1728
1729=head3 cf::region
1730
1731=over 4
1732
1733=cut
1734
1735package cf::region;
1736
1737=item cf::region::find_by_path $path
1738
1739Tries to decuce the likely region for a map knowing only its path.
1740
1741=cut
1742
1743sub find_by_path($) {
1744 my ($path) = @_;
1745
1746 my ($match, $specificity);
1747
1748 for my $region (list) {
1749 if ($region->{match} && $path =~ $region->{match}) {
1750 ($match, $specificity) = ($region, $region->specificity)
1751 if $region->specificity > $specificity;
1752 }
1753 }
1754
1755 $match
1756}
1130 1757
1131=back 1758=back
1132
1133 1759
1134=head3 cf::map 1760=head3 cf::map
1135 1761
1136=over 4 1762=over 4
1137 1763
… …
1192 my ($self, $merge) = @_; 1818 my ($self, $merge) = @_;
1193 1819
1194 # we have to keep some variables in memory intact 1820 # we have to keep some variables in memory intact
1195 local $self->{path}; 1821 local $self->{path};
1196 local $self->{load_path}; 1822 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199 1823
1200 $self->SUPER::thawer_merge ($merge); 1824 $self->SUPER::thawer_merge ($merge);
1201} 1825}
1202 1826
1203sub normalise { 1827sub normalise {
… …
1250 $self->init; # pass $1 etc. 1874 $self->init; # pass $1 etc.
1251 return $self; 1875 return $self;
1252 } 1876 }
1253 } 1877 }
1254 1878
1255 Carp::carp "unable to resolve path '$path' (base '$base')."; 1879 Carp::cluck "unable to resolve path '$path' (base '$base').";
1256 () 1880 ()
1257} 1881}
1258 1882
1259sub init { 1883sub init {
1260 my ($self) = @_; 1884 my ($self) = @_;
… …
1275 1899
1276# the original (read-only) location 1900# the original (read-only) location
1277sub load_path { 1901sub load_path {
1278 my ($self) = @_; 1902 my ($self) = @_;
1279 1903
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1904 "$MAPDIR/$self->{path}.map"
1281} 1905}
1282 1906
1283# the temporary/swap location 1907# the temporary/swap location
1284sub save_path { 1908sub save_path {
1285 my ($self) = @_; 1909 my ($self) = @_;
1286 1910
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1911 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1912 "$TMPDIR/$path.map"
1289} 1913}
1290 1914
1291# the unique path, undef == no special unique path 1915# the unique path, undef == no special unique path
1292sub uniq_path { 1916sub uniq_path {
1293 my ($self) = @_; 1917 my ($self) = @_;
1294 1918
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1919 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1920 "$UNIQUEDIR/$path"
1297} 1921}
1298 1922
1299# and all this just because we cannot iterate over 1923# and all this just because we cannot iterate over
1300# all maps in C++... 1924# all maps in C++...
1301sub change_all_map_light { 1925sub change_all_map_light {
… …
1303 1927
1304 $_->change_map_light ($change) 1928 $_->change_map_light ($change)
1305 for grep $_->outdoor, values %cf::MAP; 1929 for grep $_->outdoor, values %cf::MAP;
1306} 1930}
1307 1931
1932sub decay_objects {
1933 my ($self) = @_;
1934
1935 return if $self->{deny_reset};
1936
1937 $self->do_decay_objects;
1938}
1939
1308sub unlink_save { 1940sub unlink_save {
1309 my ($self) = @_; 1941 my ($self) = @_;
1310 1942
1311 utf8::encode (my $save = $self->save_path); 1943 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1944 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1945 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1946}
1320 1947
1321sub load_header_from($) { 1948sub load_header_from($) {
1322 my ($self, $path) = @_; 1949 my ($self, $path) = @_;
1323 1950
1324 utf8::encode $path; 1951 utf8::encode $path;
1325 #aio_open $path, O_RDONLY, 0 1952 my $f = new_from_file cf::object::thawer $path
1326 # or return;
1327
1328 $self->_load_header ($path)
1329 or return; 1953 or return;
1954
1955 $self->_load_header ($f)
1956 or return;
1957
1958 local $MAP_LOADING{$self->{path}} = $self;
1959 $f->resolve_delayed_derefs;
1330 1960
1331 $self->{load_path} = $path; 1961 $self->{load_path} = $path;
1332 1962
1333 1 1963 1
1334} 1964}
… …
1373 $self->load_header_orig 2003 $self->load_header_orig
1374 or return; 2004 or return;
1375 $self->prepare_orig; 2005 $self->prepare_orig;
1376 } 2006 }
1377 2007
2008 $self->{deny_reset} = 1
2009 if $self->no_reset;
2010
2011 $self->default_region (cf::region::find_by_path $self->{path})
2012 unless $self->default_region;
2013
1378 1 2014 1
1379} 2015}
1380 2016
1381sub find; 2017sub find;
1382sub find { 2018sub find {
1383 my ($path, $origin) = @_; 2019 my ($path, $origin) = @_;
1384 2020
1385 $path = normalise $path, $origin && $origin->path; 2021 $path = normalise $path, $origin && $origin->path;
1386 2022
2023 cf::lock_wait "map_data:$path";#d#remove
1387 cf::lock_wait "map_find:$path"; 2024 cf::lock_wait "map_find:$path";
1388 2025
1389 $cf::MAP{$path} || do { 2026 $cf::MAP{$path} || do {
1390 my $guard = cf::lock_acquire "map_find:$path"; 2027 my $guard1 = cf::lock_acquire "map_find:$path";
2028 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
1391 my $map = new_from_path cf::map $path 2030 my $map = new_from_path cf::map $path
1392 or return; 2031 or return;
1393 2032
1394 $map->{last_save} = $cf::RUNTIME; 2033 $map->{last_save} = $cf::RUNTIME;
1395 2034
1396 $map->load_header 2035 $map->load_header
1397 or return; 2036 or return;
1398 2037
1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2038 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously 2039 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait; 2040 #$cf::WAIT_FOR_TICK->wait;
2041 undef $guard1;
2042 undef $guard2;
1402 $map->reset; 2043 $map->reset;
1403 undef $guard;
1404 return find $path; 2044 return find $path;
1405 } 2045 }
1406 2046
1407 $cf::MAP{$path} = $map 2047 $cf::MAP{$path} = $map
1408 } 2048 }
… …
1415 my ($self) = @_; 2055 my ($self) = @_;
1416 2056
1417 local $self->{deny_reset} = 1; # loading can take a long time 2057 local $self->{deny_reset} = 1; # loading can take a long time
1418 2058
1419 my $path = $self->{path}; 2059 my $path = $self->{path};
2060
2061 {
1420 my $guard = cf::lock_acquire "map_load:$path"; 2062 my $guard = cf::lock_acquire "map_data:$path";
1421 2063
2064 return unless $self->valid;
1422 return if $self->in_memory != cf::MAP_SWAPPED; 2065 return unless $self->in_memory == cf::MAP_SWAPPED;
1423 2066
1424 $self->in_memory (cf::MAP_LOADING); 2067 $self->in_memory (cf::MAP_LOADING);
1425 2068
1426 $self->alloc; 2069 $self->alloc;
1427 2070
1428 $self->pre_load; 2071 $self->pre_load;
2072 cf::cede_to_tick;
1429 2073
1430 $self->_load_objects ($self->{load_path}, 1) 2074 my $f = new_from_file cf::object::thawer $self->{load_path};
2075 $f->skip_block;
2076 $self->_load_objects ($f)
1431 or return; 2077 or return;
1432 2078
1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2079 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434 if delete $self->{load_original}; 2080 if delete $self->{load_original};
1435 2081
1436 if (my $uniq = $self->uniq_path) { 2082 if (my $uniq = $self->uniq_path) {
1437 utf8::encode $uniq; 2083 utf8::encode $uniq;
1438 if (aio_open $uniq, O_RDONLY, 0) { 2084 unless (aio_stat $uniq) {
2085 if (my $f = new_from_file cf::object::thawer $uniq) {
1439 $self->clear_unique_items; 2086 $self->clear_unique_items;
1440 $self->_load_objects ($uniq, 0); 2087 $self->_load_objects ($f);
2088 $f->resolve_delayed_derefs;
2089 }
1441 } 2090 }
1442 } 2091 }
1443 2092
1444 Coro::cede; 2093 $f->resolve_delayed_derefs;
1445 2094
2095 cf::cede_to_tick;
1446 # now do the right thing for maps 2096 # now do the right thing for maps
1447 $self->link_multipart_objects; 2097 $self->link_multipart_objects;
1448
1449 unless ($self->{deny_activate}) {
1450 $self->decay_objects;
1451 $self->fix_auto_apply;
1452 $self->update_buttons;
1453 Coro::cede;
1454 $self->set_darkness_map;
1455 $self->difficulty ($self->estimate_difficulty) 2098 $self->difficulty ($self->estimate_difficulty)
1456 unless $self->difficulty; 2099 unless $self->difficulty;
1457 Coro::cede; 2100 cf::cede_to_tick;
2101
2102 unless ($self->{deny_activate}) {
2103 $self->decay_objects;
2104 $self->fix_auto_apply;
2105 $self->update_buttons;
2106 cf::cede_to_tick;
2107 $self->set_darkness_map;
2108 cf::cede_to_tick;
1458 $self->activate; 2109 $self->activate;
2110 }
2111
2112 $self->{last_save} = $cf::RUNTIME;
2113 $self->last_access ($cf::RUNTIME);
2114
2115 $self->in_memory (cf::MAP_IN_MEMORY);
1459 } 2116 }
1460 2117
1461 $self->post_load; 2118 $self->post_load;
1462
1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464} 2119}
1465 2120
1466sub customise_for { 2121sub customise_for {
1467 my ($self, $ob) = @_; 2122 my ($self, $ob) = @_;
1468 2123
1469 return find "~" . $ob->name . "/" . $self->{path} 2124 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player; 2125 if $self->per_player;
1471 2126
2127# return find "?party/" . $ob->name . "/" . $self->{path}
2128# if $self->per_party;
2129
1472 $self 2130 $self
1473} 2131}
1474 2132
1475# find and load all maps in the 3x3 area around a map 2133# find and load all maps in the 3x3 area around a map
1476sub load_diag { 2134sub load_neighbours {
1477 my ($map) = @_; 2135 my ($map) = @_;
1478 2136
1479 my @diag; # diagonal neighbours 2137 my @neigh; # diagonal neighbours
1480 2138
1481 for (0 .. 3) { 2139 for (0 .. 3) {
1482 my $neigh = $map->tile_path ($_) 2140 my $neigh = $map->tile_path ($_)
1483 or next; 2141 or next;
1484 $neigh = find $neigh, $map 2142 $neigh = find $neigh, $map
1485 or next; 2143 or next;
1486 $neigh->load; 2144 $neigh->load;
1487 2145
2146 push @neigh,
1488 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2147 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1489 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2148 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1490 } 2149 }
1491 2150
1492 for (@diag) { 2151 for (grep defined $_->[0], @neigh) {
2152 my ($path, $origin) = @$_;
1493 my $neigh = find @$_ 2153 my $neigh = find $path, $origin
1494 or next; 2154 or next;
1495 $neigh->load; 2155 $neigh->load;
1496 } 2156 }
1497} 2157}
1498 2158
… …
1503} 2163}
1504 2164
1505sub do_load_sync { 2165sub do_load_sync {
1506 my ($map) = @_; 2166 my ($map) = @_;
1507 2167
2168 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2169 if $Coro::current == $Coro::main;
2170
1508 cf::sync_job { $map->load }; 2171 cf::sync_job { $map->load };
1509} 2172}
1510 2173
1511our %MAP_PREFETCH; 2174our %MAP_PREFETCH;
1512our $MAP_PREFETCHER = undef; 2175our $MAP_PREFETCHER = undef;
1513 2176
1514sub find_async { 2177sub find_async {
1515 my ($path, $origin) = @_; 2178 my ($path, $origin, $load) = @_;
1516 2179
1517 $path = normalise $path, $origin && $origin->{path}; 2180 $path = normalise $path, $origin && $origin->{path};
1518 2181
1519 if (my $map = $cf::MAP{$path}) { 2182 if (my $map = $cf::MAP{$path}) {
1520 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2183 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521 } 2184 }
1522 2185
1523 undef $MAP_PREFETCH{$path}; 2186 $MAP_PREFETCH{$path} |= $load;
2187
1524 $MAP_PREFETCHER ||= cf::async { 2188 $MAP_PREFETCHER ||= cf::async {
2189 $Coro::current->{desc} = "map prefetcher";
2190
1525 while (%MAP_PREFETCH) { 2191 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) { 2192 while (my ($k, $v) = each %MAP_PREFETCH) {
1527 my $map = find $path 2193 if (my $map = find $k) {
1528 or next;
1529 $map->load; 2194 $map->load if $v;
2195 }
1530 2196
1531 delete $MAP_PREFETCH{$path}; 2197 delete $MAP_PREFETCH{$k};
1532 } 2198 }
1533 } 2199 }
1534 undef $MAP_PREFETCHER; 2200 undef $MAP_PREFETCHER;
1535 }; 2201 };
1536 $MAP_PREFETCHER->prio (6); 2202 $MAP_PREFETCHER->prio (6);
… …
1539} 2205}
1540 2206
1541sub save { 2207sub save {
1542 my ($self) = @_; 2208 my ($self) = @_;
1543 2209
1544 my $lock = cf::lock_acquire "map_data:" . $self->path; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1545 2211
1546 $self->{last_save} = $cf::RUNTIME; 2212 $self->{last_save} = $cf::RUNTIME;
1547 2213
1548 return unless $self->dirty; 2214 return unless $self->dirty;
1549 2215
… …
1555 return if $self->{deny_save}; 2221 return if $self->{deny_save};
1556 2222
1557 local $self->{last_access} = $self->last_access;#d# 2223 local $self->{last_access} = $self->last_access;#d#
1558 2224
1559 cf::async { 2225 cf::async {
2226 $Coro::current->{desc} = "map player save";
1560 $_->contr->save for $self->players; 2227 $_->contr->save for $self->players;
1561 }; 2228 };
1562 2229
1563 if ($uniq) { 2230 if ($uniq) {
1564 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2231 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1572 my ($self) = @_; 2239 my ($self) = @_;
1573 2240
1574 # save first because save cedes 2241 # save first because save cedes
1575 $self->save; 2242 $self->save;
1576 2243
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2245
1579 return if $self->players; 2246 return if $self->players;
1580 return if $self->in_memory != cf::MAP_IN_MEMORY; 2247 return if $self->in_memory != cf::MAP_IN_MEMORY;
1581 return if $self->{deny_save}; 2248 return if $self->{deny_save};
1582 2249
2250 $self->in_memory (cf::MAP_SWAPPED);
2251
2252 $self->deactivate;
2253 $_->clear_links_to ($self) for values %cf::MAP;
1583 $self->clear; 2254 $self->clear;
1584 $self->in_memory (cf::MAP_SWAPPED);
1585} 2255}
1586 2256
1587sub reset_at { 2257sub reset_at {
1588 my ($self) = @_; 2258 my ($self) = @_;
1589 2259
1590 # TODO: safety, remove and allow resettable per-player maps 2260 # TODO: safety, remove and allow resettable per-player maps
1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1592 return 1e99 if $self->{deny_reset}; 2261 return 1e99 if $self->{deny_reset};
1593 2262
1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2263 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2264 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596 2265
… …
1607 my ($self) = @_; 2276 my ($self) = @_;
1608 2277
1609 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2278 my $lock = cf::lock_acquire "map_data:$self->{path}";
1610 2279
1611 return if $self->players; 2280 return if $self->players;
1612 return if $self->isa ("ext::map_per_player");#d#
1613 2281
1614 warn "resetting map ", $self->path;#d# 2282 warn "resetting map ", $self->path;
1615 2283
1616 $self->in_memory (cf::MAP_SWAPPED); 2284 $self->in_memory (cf::MAP_SWAPPED);
1617 2285
1618 # need to save uniques path 2286 # need to save uniques path
1619 unless ($self->{deny_save}) { 2287 unless ($self->{deny_save}) {
… …
1623 if $uniq; 2291 if $uniq;
1624 } 2292 }
1625 2293
1626 delete $cf::MAP{$self->path}; 2294 delete $cf::MAP{$self->path};
1627 2295
2296 $self->deactivate;
2297 $_->clear_links_to ($self) for values %cf::MAP;
1628 $self->clear; 2298 $self->clear;
1629
1630 $_->clear_links_to ($self) for values %cf::MAP;
1631 2299
1632 $self->unlink_save; 2300 $self->unlink_save;
1633 $self->destroy; 2301 $self->destroy;
1634} 2302}
1635 2303
1636my $nuke_counter = "aaaa"; 2304my $nuke_counter = "aaaa";
1637 2305
1638sub nuke { 2306sub nuke {
1639 my ($self) = @_; 2307 my ($self) = @_;
1640 2308
2309 {
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
1641 delete $cf::MAP{$self->path}; 2312 delete $cf::MAP{$self->path};
1642 2313
1643 $self->unlink_save; 2314 $self->unlink_save;
1644 2315
1645 bless $self, "cf::map"; 2316 bless $self, "cf::map";
1646 delete $self->{deny_reset}; 2317 delete $self->{deny_reset};
1647 $self->{deny_save} = 1; 2318 $self->{deny_save} = 1;
1648 $self->reset_timeout (1); 2319 $self->reset_timeout (1);
1649 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2320 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650 2321
1651 $cf::MAP{$self->path} = $self; 2322 $cf::MAP{$self->path} = $self;
2323 }
1652 2324
1653 $self->reset; # polite request, might not happen 2325 $self->reset; # polite request, might not happen
2326}
2327
2328=item $maps = cf::map::tmp_maps
2329
2330Returns an arrayref with all map paths of currently instantiated and saved
2331maps. May block.
2332
2333=cut
2334
2335sub tmp_maps() {
2336 [
2337 map {
2338 utf8::decode $_;
2339 /\.map$/
2340 ? normalise $_
2341 : ()
2342 } @{ aio_readdir $TMPDIR or [] }
2343 ]
2344}
2345
2346=item $maps = cf::map::random_maps
2347
2348Returns an arrayref with all map paths of currently instantiated and saved
2349random maps. May block.
2350
2351=cut
2352
2353sub random_maps() {
2354 [
2355 map {
2356 utf8::decode $_;
2357 /\.map$/
2358 ? normalise "?random/$_"
2359 : ()
2360 } @{ aio_readdir $RANDOMDIR or [] }
2361 ]
1654} 2362}
1655 2363
1656=item cf::map::unique_maps 2364=item cf::map::unique_maps
1657 2365
1658Returns an arrayref of paths of all shared maps that have 2366Returns an arrayref of paths of all shared maps that have
1659instantiated unique items. May block. 2367instantiated unique items. May block.
1660 2368
1661=cut 2369=cut
1662 2370
1663sub unique_maps() { 2371sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2372 [
1665 or return; 2373 map {
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_; 2374 utf8::decode $_;
1671 next if /\.pst$/; 2375 /\.map$/
1672 next unless /^$PATH_SEP/o; 2376 ? normalise $_
1673 2377 : ()
1674 push @paths, cf::map::normalise $_; 2378 } @{ aio_readdir $UNIQUEDIR or [] }
1675 } 2379 ]
1676
1677 \@paths
1678} 2380}
1679
1680package cf;
1681 2381
1682=back 2382=back
1683 2383
1684=head3 cf::object 2384=head3 cf::object
1685 2385
… …
1700 map { $_, inv_recursive_ $_->inv } @_ 2400 map { $_, inv_recursive_ $_->inv } @_
1701} 2401}
1702 2402
1703sub inv_recursive { 2403sub inv_recursive {
1704 inv_recursive_ inv $_[0] 2404 inv_recursive_ inv $_[0]
2405}
2406
2407=item $ref = $ob->ref
2408
2409creates and returns a persistent reference to an objetc that can be stored as a string.
2410
2411=item $ob = cf::object::deref ($refstring)
2412
2413returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414even if the object actually exists. May block.
2415
2416=cut
2417
2418sub deref {
2419 my ($ref) = @_;
2420
2421 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2422 my ($uuid, $name) = ($1, $2);
2423 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2424 or return;
2425 $pl->ob->uuid eq $uuid
2426 or return;
2427
2428 $pl->ob
2429 } else {
2430 warn "$ref: cannot resolve object reference\n";
2431 undef
2432 }
1705} 2433}
1706 2434
1707package cf; 2435package cf;
1708 2436
1709=back 2437=back
… …
1728 2456
1729 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2457 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730 2458
1731 if ($self->{record_replies}) { 2459 if ($self->{record_replies}) {
1732 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2460 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2461
1733 } else { 2462 } else {
2463 my $pl = $self->contr;
2464
2465 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2466 my $dialog = $pl->{npc_dialog};
2467 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468
2469 } else {
1734 $msg = $npc->name . " says: $msg" if $npc; 2470 $msg = $npc->name . " says: $msg" if $npc;
1735 $self->message ($msg, $flags); 2471 $self->message ($msg, $flags);
2472 }
1736 } 2473 }
2474}
2475
2476=item $object->send_msg ($channel, $msg, $color, [extra...])
2477
2478=cut
2479
2480sub cf::object::send_msg {
2481 my $pl = shift->contr
2482 or return;
2483 $pl->send_msg (@_);
1737} 2484}
1738 2485
1739=item $player_object->may ("access") 2486=item $player_object->may ("access")
1740 2487
1741Returns wether the given player is authorized to access resource "access" 2488Returns wether the given player is authorized to access resource "access"
… …
1788 $self->deactivate_recursive; 2535 $self->deactivate_recursive;
1789 2536
1790 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2537 return if UNIVERSAL::isa $self->map, "ext::map_link";
1791 2538
1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2539 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793 if $self->map; 2540 if $self->map && $self->map->{path} ne "{link}";
1794 2541
1795 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2542 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1796} 2543}
1797 2544
1798sub cf::object::player::leave_link { 2545sub cf::object::player::leave_link {
1799 my ($self, $map, $x, $y) = @_; 2546 my ($self, $map, $x, $y) = @_;
2547
2548 return unless $self->contr->active;
1800 2549
1801 my $link_pos = delete $self->{_link_pos}; 2550 my $link_pos = delete $self->{_link_pos};
1802 2551
1803 unless ($map) { 2552 unless ($map) {
1804 # restore original map position 2553 # restore original map position
… …
1818 # use -1 or undef as default coordinates, not 0, 0 2567 # use -1 or undef as default coordinates, not 0, 0
1819 ($x, $y) = ($map->enter_x, $map->enter_y) 2568 ($x, $y) = ($map->enter_x, $map->enter_y)
1820 if $x <=0 && $y <= 0; 2569 if $x <=0 && $y <= 0;
1821 2570
1822 $map->load; 2571 $map->load;
1823 $map->load_diag; 2572 $map->load_neighbours;
1824 2573
1825 return unless $self->contr->active; 2574 return unless $self->contr->active;
1826 $self->activate_recursive; 2575 $self->activate_recursive;
2576
2577 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 2578 $self->enter_map ($map, $x, $y);
1828} 2579}
1829 2580
1830cf::player->attach ( 2581=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2582
1834 # abort map switching before logout 2583Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2584her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2585that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2586the new (success) or old (failed) map position. In either case, $done will
1838 }; 2587be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2588
1844 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED);
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2589=cut
2590
2591our $GOTOGEN;
1865 2592
1866sub cf::object::player::goto { 2593sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2594 my ($self, $path, $x, $y, $check, $done) = @_;
2595
2596 # do generation counting so two concurrent goto's will be executed in-order
2597 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2598
1869 $self->enter_link; 2599 $self->enter_link;
1870 2600
1871 (async { 2601 (async {
2602 $Coro::current->{desc} = "player::goto $path $x $y";
2603
2604 # *tag paths override both path and x|y
2605 if ($path =~ /^\*(.*)$/) {
2606 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2607 my $ob = $obs[rand @obs];
2608
2609 # see if we actually can go there
2610 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2611 $ob = $obs[rand @obs];
2612 } else {
2613 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2614 }
2615 # else put us there anyways for now #d#
2616
2617 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2618 } else {
2619 ($path, $x, $y) = (undef, undef, undef);
2620 }
2621 }
2622
1872 my $map = eval { 2623 my $map = eval {
1873 my $map = cf::map::find $path; 2624 my $map = defined $path ? cf::map::find $path : undef;
2625
2626 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2627 $map = $map->customise_for ($self);
2628 $map = $check->($map) if $check && $map;
2629 } else {
2630 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2631 }
2632
1875 $map 2633 $map
2634 };
2635
2636 if ($@) {
2637 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2638 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2639 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2640
2641 if ($gen == $self->{_goto_generation}) {
2642 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2643 $self->leave_link ($map, $x, $y);
2644 }
2645
2646 $done->() if $done;
1880 })->prio (1); 2647 })->prio (1);
1881} 2648}
1882 2649
1883=item $player_object->enter_exit ($exit_object) 2650=item $player_object->enter_exit ($exit_object)
1884 2651
… …
1921 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
1922 } 2689 }
1923 2690
1924 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
1925 2692
1926 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
1927 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
1929 2696
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2699 undef $fh;
1933 aio_rename "$meta~", $meta; 2700 aio_rename "$meta~", $meta;
… …
1942 2709
1943 return unless $self->type == cf::PLAYER; 2710 return unless $self->type == cf::PLAYER;
1944 2711
1945 if ($exit->slaying eq "/!") { 2712 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job 2713 #TODO: this should de-fi-ni-te-ly not be a sync-job
2714 # the problem is that $exit might not survive long enough
2715 # so it needs to be done right now, right here
1947 cf::sync_job { prepare_random_map $exit }; 2716 cf::sync_job { prepare_random_map $exit };
1948 } 2717 }
1949 2718
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2719 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp; 2720 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp; 2721 my $sp = $exit->stats->sp;
1953 2722
1954 $self->enter_link; 2723 $self->enter_link;
1955 2724
2725 # if exit is damned, update players death & WoR home-position
2726 $self->contr->savebed ($slaying, $hp, $sp)
2727 if $exit->flag (FLAG_DAMNED);
2728
1956 (async { 2729 (async {
2730 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2731
1957 $self->deactivate_recursive; # just to be sure 2732 $self->deactivate_recursive; # just to be sure
1958 unless (eval { 2733 unless (eval {
1959 $self->goto ($slaying, $hp, $sp); 2734 $self->goto ($slaying, $hp, $sp);
1960 2735
1961 1; 2736 1;
1962 }) { 2737 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2738 $self->message ("Something went wrong deep within the crossfire server. "
1964 . "I'll try to bring you back to the map you were before. " 2739 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2740 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2741 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2742
1968 warn "ERROR in enter_exit: $@"; 2743 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2744 $self->leave_link;
1970 } 2745 }
1971 })->prio (1); 2746 })->prio (1);
… …
1984 2759
1985sub cf::client::send_drawinfo { 2760sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2761 my ($self, $text, $flags) = @_;
1987 2762
1988 utf8::encode $text; 2763 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2764 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2765}
1991 2766
2767=item $client->send_msg ($channel, $msg, $color, [extra...])
2768
2769Send a drawinfo or msg packet to the client, formatting the msg for the
2770client if neccessary. C<$type> should be a string identifying the type of
2771the message, with C<log> being the default. If C<$color> is negative, suppress
2772the message unless the client supports the msg packet.
2773
2774=cut
2775
2776# non-persistent channels (usually the info channel)
2777our %CHANNEL = (
2778 "c/identify" => {
2779 id => "infobox",
2780 title => "Identify",
2781 reply => undef,
2782 tooltip => "Items recently identified",
2783 },
2784 "c/examine" => {
2785 id => "infobox",
2786 title => "Examine",
2787 reply => undef,
2788 tooltip => "Signs and other items you examined",
2789 },
2790 "c/book" => {
2791 id => "infobox",
2792 title => "Book",
2793 reply => undef,
2794 tooltip => "The contents of a note or book",
2795 },
2796 "c/lookat" => {
2797 id => "infobox",
2798 title => "Look",
2799 reply => undef,
2800 tooltip => "What you saw there",
2801 },
2802 "c/who" => {
2803 id => "infobox",
2804 title => "Players",
2805 reply => undef,
2806 tooltip => "Shows players who are currently online",
2807 },
2808 "c/body" => {
2809 id => "infobox",
2810 title => "Body Parts",
2811 reply => undef,
2812 tooltip => "Shows which body parts you posess and are available",
2813 },
2814 "c/uptime" => {
2815 id => "infobox",
2816 title => "Uptime",
2817 reply => undef,
2818 tooltip => "How long the server has been running since last restart",
2819 },
2820 "c/mapinfo" => {
2821 id => "infobox",
2822 title => "Map Info",
2823 reply => undef,
2824 tooltip => "Information related to the maps",
2825 },
2826);
2827
2828sub cf::client::send_msg {
2829 my ($self, $channel, $msg, $color, @extra) = @_;
2830
2831 $msg = $self->pl->expand_cfpod ($msg);
2832
2833 $color &= cf::NDI_CLIENT_MASK; # just in case...
2834
2835 # check predefined channels, for the benefit of C
2836 if ($CHANNEL{$channel}) {
2837 $channel = $CHANNEL{$channel};
2838
2839 $self->ext_msg (channel_info => $channel)
2840 if $self->can_msg;
2841
2842 $channel = $channel->{id};
2843
2844 } elsif (ref $channel) {
2845 # send meta info to client, if not yet sent
2846 unless (exists $self->{channel}{$channel->{id}}) {
2847 $self->{channel}{$channel->{id}} = $channel;
2848 $self->ext_msg (channel_info => $channel)
2849 if $self->can_msg;
2850 }
2851
2852 $channel = $channel->{id};
2853 }
2854
2855 return unless @extra || length $msg;
2856
2857 if ($self->can_msg) {
2858 # default colour, mask it out
2859 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860 if $color & cf::NDI_DEF;
2861
2862 $self->send_packet ("msg " . $self->{json_coder}->encode (
2863 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2864 } else {
2865 if ($color >= 0) {
2866 # replace some tags by gcfclient-compatible ones
2867 for ($msg) {
2868 1 while
2869 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874 }
2875
2876 $color &= cf::NDI_COLOR_MASK;
2877
2878 utf8::encode $msg;
2879
2880 if (0 && $msg =~ /\[/) {
2881 # COMMAND/INFO
2882 $self->send_packet ("drawextinfo $color 10 8 $msg")
2883 } else {
2884 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885 $self->send_packet ("drawinfo $color $msg")
2886 }
2887 }
2888 }
2889}
2890
2891=item $client->ext_msg ($type, @msg)
2892
2893Sends an ext event to the client.
2894
2895=cut
2896
2897sub cf::client::ext_msg($$@) {
2898 my ($self, $type, @msg) = @_;
2899
2900 if ($self->extcmd == 2) {
2901 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902 } elsif ($self->extcmd == 1) { # TODO: remove
2903 push @msg, msgtype => "event_$type";
2904 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905 }
2906}
2907
2908=item $client->ext_reply ($msgid, @msg)
2909
2910Sends an ext reply to the client.
2911
2912=cut
2913
2914sub cf::client::ext_reply($$@) {
2915 my ($self, $id, @msg) = @_;
2916
2917 if ($self->extcmd == 2) {
2918 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919 } elsif ($self->extcmd == 1) {
2920 #TODO: version 1, remove
2921 unshift @msg, msgtype => "reply", msgid => $id;
2922 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923 }
2924}
1992 2925
1993=item $success = $client->query ($flags, "text", \&cb) 2926=item $success = $client->query ($flags, "text", \&cb)
1994 2927
1995Queues a query to the client, calling the given callback with 2928Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2929the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2930C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 2931
1999Queries can fail, so check the return code. Or don't, as queries will become 2932Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 2933become reliable at some point in the future.
2001 2934
2002=cut 2935=cut
2003 2936
2004sub cf::client::query { 2937sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 2938 my ($self, $flags, $text, $cb) = @_;
… …
2013 utf8::encode $text; 2946 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2947 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 2948
2016 $self->send_packet ($self->{query_queue}[0][0]) 2949 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 2950 if @{ $self->{query_queue} } == 1;
2951
2952 1
2018} 2953}
2019 2954
2020cf::client->attach ( 2955cf::client->attach (
2956 on_connect => sub {
2957 my ($ns) = @_;
2958
2959 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2960 },
2021 on_reply => sub { 2961 on_reply => sub {
2022 my ($ns, $msg) = @_; 2962 my ($ns, $msg) = @_;
2023 2963
2024 # this weird shuffling is so that direct followup queries 2964 # this weird shuffling is so that direct followup queries
2025 # get handled first 2965 # get handled first
… …
2037 } else { 2977 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2978 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 2979 }
2040 } 2980 }
2041 }, 2981 },
2982 on_exticmd => sub {
2983 my ($ns, $buf) = @_;
2984
2985 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2986
2987 if (ref $msg) {
2988 my ($type, $reply, @payload) =
2989 "ARRAY" eq ref $msg
2990 ? @$msg
2991 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2992
2993 my @reply;
2994
2995 if (my $cb = $EXTICMD{$type}) {
2996 @reply = $cb->($ns, @payload);
2997 }
2998
2999 $ns->ext_reply ($reply, @reply)
3000 if $reply;
3001
3002 } else {
3003 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3004 }
3005
3006 cf::override;
3007 },
2042); 3008);
2043 3009
2044=item $client->async (\&cb) 3010=item $client->async (\&cb)
2045 3011
2046Create a new coroutine, running the specified callback. The coroutine will 3012Create a new coroutine, running the specified callback. The coroutine will
… …
2087our $safe = new Safe "safe"; 3053our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 3054our $safe_hole = new Safe::Hole;
2089 3055
2090$SIG{FPE} = 'IGNORE'; 3056$SIG{FPE} = 'IGNORE';
2091 3057
2092$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3058$safe->permit_only (Opcode::opset qw(
3059 :base_core :base_mem :base_orig :base_math
3060 grepstart grepwhile mapstart mapwhile
3061 sort time
3062));
2093 3063
2094# here we export the classes and methods available to script code 3064# here we export the classes and methods available to script code
2095 3065
2096=pod 3066=pod
2097 3067
2098The following fucntions and emthods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2099 3069
2100 cf::object contr pay_amount pay_player map 3070 cf::object
3071 contr pay_amount pay_player map x y force_find force_add destroy
3072 insert remove name archname title slaying race decrease_ob_nr
3073
2101 cf::object::player player 3074 cf::object::player
2102 cf::player peaceful 3075 player
2103 cf::map trigger 3076
3077 cf::player
3078 peaceful
3079
3080 cf::map
3081 trigger
2104 3082
2105=cut 3083=cut
2106 3084
2107for ( 3085for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 3086 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087 insert remove inv name archname title slaying race
3088 decrease_ob_nr destroy)],
2109 ["cf::object::player" => qw(player)], 3089 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3090 ["cf::player" => qw(peaceful)],
2111 ["cf::map" => qw(trigger)], 3091 ["cf::map" => qw(trigger)],
2112) { 3092) {
2113 no strict 'refs'; 3093 no strict 'refs';
… …
2184=back 3164=back
2185 3165
2186=cut 3166=cut
2187 3167
2188############################################################################# 3168#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions 3169# the server's init and main functions
2262 3170
2263sub load_resources { 3171sub load_facedata($) {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3172 my ($path) = @_;
3173
3174 # HACK to clear player env face cache, we need some signal framework
3175 # for this (global event?)
3176 %ext::player_env::MUSIC_FACE_CACHE = ();
3177
3178 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3179
3180 warn "loading facedata from $path\n";
3181
3182 my $facedata;
3183 0 < aio_load $path, $facedata
3184 or die "$path: $!";
3185
3186 $facedata = Coro::Storable::thaw $facedata;
3187
3188 $facedata->{version} == 2
3189 or cf::cleanup "$path: version mismatch, cannot proceed.";
3190
3191 # patch in the exptable
3192 $facedata->{resource}{"res/exp_table"} = {
3193 type => FT_RSRC,
3194 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3195 };
3196 cf::cede_to_tick;
3197
3198 {
3199 my $faces = $facedata->{faceinfo};
3200
3201 while (my ($face, $info) = each %$faces) {
3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
3204 cf::face::set_visibility $idx, $info->{visibility};
3205 cf::face::set_magicmap $idx, $info->{magicmap};
3206 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3207 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3208
3209 cf::cede_to_tick;
3210 }
3211
3212 while (my ($face, $info) = each %$faces) {
3213 next unless $info->{smooth};
3214
3215 my $idx = cf::face::find $face
3216 or next;
3217
3218 if (my $smooth = cf::face::find $info->{smooth}) {
3219 cf::face::set_smooth $idx, $smooth;
3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3221 } else {
3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
3223 }
3224
3225 cf::cede_to_tick;
3226 }
3227 }
3228
3229 {
3230 my $anims = $facedata->{animinfo};
3231
3232 while (my ($anim, $info) = each %$anims) {
3233 cf::anim::set $anim, $info->{frames}, $info->{facings};
3234 cf::cede_to_tick;
3235 }
3236
3237 cf::anim::invalidate_all; # d'oh
3238 }
3239
3240 {
3241 # TODO: for gcfclient pleasure, we should give resources
3242 # that gcfclient doesn't grok a >10000 face index.
3243 my $res = $facedata->{resource};
3244
3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3248 my $data;
3249
3250 if ($info->{type} & 1) {
3251 # prepend meta info
3252
3253 my $meta = $enc->encode ({
3254 name => $name,
3255 %{ $info->{meta} || {} },
3256 });
3257
3258 $data = pack "(w/a*)*", $meta, $info->{data};
3259 } else {
3260 $data = $info->{data};
3261 }
3262
3263 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264 cf::face::set_type $idx, $info->{type};
3265 } else {
3266 $RESOURCE{$name} = $info;
3267 }
3268
3269 cf::cede_to_tick;
3270 }
3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3274
3275 1
3276}
3277
3278cf::global->attach (on_resource_update => sub {
3279 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283 my $sound = $soundconf->{compat}[$_]
3284 or next;
3285
3286 my $face = cf::face::find "sound/$sound->[1]";
3287 cf::sound::set $sound->[0] => $face;
3288 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289 }
3290
3291 while (my ($k, $v) = each %{$soundconf->{event}}) {
3292 my $face = cf::face::find "sound/$v";
3293 cf::sound::set $k => $face;
3294 }
3295 }
3296});
3297
3298register_exticmd fx_want => sub {
3299 my ($ns, $want) = @_;
3300
3301 while (my ($k, $v) = each %$want) {
3302 $ns->fx_want ($k, $v);
3303 }
3304};
3305
3306sub reload_regions {
3307 # HACK to clear player env face cache, we need some signal framework
3308 # for this (global event?)
3309 %ext::player_env::MUSIC_FACE_CACHE = ();
3310
3311 load_resource_file "$MAPDIR/regions"
2265 or die "unable to load regions file\n";#d# 3312 or die "unable to load regions file\n";
2266}
2267 3313
2268sub cfg_load { 3314 for (cf::region::list) {
3315 $_->{match} = qr/$_->{match}/
3316 if exists $_->{match};
3317 }
3318}
3319
3320sub reload_facedata {
3321 load_facedata "$DATADIR/facedata"
3322 or die "unable to load facedata\n";
3323}
3324
3325sub reload_archetypes {
3326 load_resource_file "$DATADIR/archetypes"
3327 or die "unable to load archetypes\n";
3328 #d# NEED to laod twice to resolve forward references
3329 # this really needs to be done in an extra post-pass
3330 # (which needs to be synchronous, so solve it differently)
3331 load_resource_file "$DATADIR/archetypes"
3332 or die "unable to load archetypes\n";
3333}
3334
3335sub reload_treasures {
3336 load_resource_file "$DATADIR/treasures"
3337 or die "unable to load treasurelists\n";
3338}
3339
3340sub reload_resources {
3341 warn "reloading resource files...\n";
3342
3343 reload_regions;
3344 reload_facedata;
3345 #reload_archetypes;#d#
3346 reload_archetypes;
3347 reload_treasures;
3348
3349 warn "finished reloading resource files\n";
3350}
3351
3352sub init {
3353 reload_resources;
3354}
3355
3356sub reload_config {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
2270 or return; 3358 or return;
2271 3359
2272 local $/; 3360 local $/;
2273 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
2274 3362
2275 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276 3364
2277 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3365 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3366 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2284 }; 3372 };
2285 warn $@ if $@; 3373 warn $@ if $@;
2286 } 3374 }
2287} 3375}
2288 3376
2289sub init {
2290 load_resources;
2291}
2292
2293sub main { 3377sub main {
2294 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
2296 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3380 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297 (async { 3381 (async {
2298 Event::one_event; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3383 EV::loop EV::LOOP_ONESHOT;
2299 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
2300 }; 3385 };
2301 3386
2302 cfg_load; 3387 reload_config;
2303 db_init; 3388 db_init;
2304 load_extensions; 3389 load_extensions;
2305 3390
2306 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
2307 Event::loop; 3393 EV::loop;
2308} 3394}
2309 3395
2310############################################################################# 3396#############################################################################
2311# initialisation and cleanup 3397# initialisation and cleanup
2312 3398
2313# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
2314BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
2315 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
2316 Event->signal ( 3403 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2317 reentrant => 0,
2318 data => WF_AUTOCANCEL,
2319 signal => $signal,
2320 prio => 0,
2321 cb => sub {
2322 cf::cleanup "SIG$signal"; 3404 cf::cleanup "SIG$signal";
2323 },
2324 ); 3405 };
3406 }
3407}
3408
3409sub write_runtime {
3410 my $runtime = "$LOCALDIR/runtime";
3411
3412 # first touch the runtime file to show we are still running:
3413 # the fsync below can take a very very long time.
3414
3415 IO::AIO::aio_utime $runtime, undef, undef;
3416
3417 my $guard = cf::lock_acquire "write_runtime";
3418
3419 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3420 or return;
3421
3422 my $value = $cf::RUNTIME + 90 + 10;
3423 # 10 is the runtime save interval, for a monotonic clock
3424 # 60 allows for the watchdog to kill the server.
3425
3426 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3427 and return;
3428
3429 # always fsync - this file is important
3430 aio_fsync $fh
3431 and return;
3432
3433 # touch it again to show we are up-to-date
3434 aio_utime $fh, undef, undef;
3435
3436 close $fh
3437 or return;
3438
3439 aio_rename "$runtime~", $runtime
3440 and return;
3441
3442 warn "runtime file written.\n";
3443
2325 } 3444 1
3445}
3446
3447our $uuid_lock;
3448our $uuid_skip;
3449
3450sub write_uuid_sync($) {
3451 $uuid_skip ||= $_[0];
3452
3453 return if $uuid_lock;
3454 local $uuid_lock = 1;
3455
3456 my $uuid = "$LOCALDIR/uuid";
3457
3458 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459 or return;
3460
3461 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3462 $uuid_skip = 0;
3463
3464 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3465 and return;
3466
3467 # always fsync - this file is important
3468 aio_fsync $fh
3469 and return;
3470
3471 close $fh
3472 or return;
3473
3474 aio_rename "$uuid~", $uuid
3475 and return;
3476
3477 warn "uuid file written ($value).\n";
3478
3479 1
3480
3481}
3482
3483sub write_uuid($$) {
3484 my ($skip, $sync) = @_;
3485
3486 $sync ? write_uuid_sync $skip
3487 : async { write_uuid_sync $skip };
2326} 3488}
2327 3489
2328sub emergency_save() { 3490sub emergency_save() {
2329 my $freeze_guard = cf::freeze_mainloop; 3491 my $freeze_guard = cf::freeze_mainloop;
2330 3492
… …
2336 # and maps saved/destroyed asynchronously. 3498 # and maps saved/destroyed asynchronously.
2337 warn "begin emergency player save\n"; 3499 warn "begin emergency player save\n";
2338 for my $login (keys %cf::PLAYER) { 3500 for my $login (keys %cf::PLAYER) {
2339 my $pl = $cf::PLAYER{$login} or next; 3501 my $pl = $cf::PLAYER{$login} or next;
2340 $pl->valid or next; 3502 $pl->valid or next;
3503 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341 $pl->save; 3504 $pl->save;
2342 } 3505 }
2343 warn "end emergency player save\n"; 3506 warn "end emergency player save\n";
2344 3507
2345 warn "begin emergency map save\n"; 3508 warn "begin emergency map save\n";
… …
2351 warn "end emergency map save\n"; 3514 warn "end emergency map save\n";
2352 3515
2353 warn "begin emergency database checkpoint\n"; 3516 warn "begin emergency database checkpoint\n";
2354 BDB::db_env_txn_checkpoint $DB_ENV; 3517 BDB::db_env_txn_checkpoint $DB_ENV;
2355 warn "end emergency database checkpoint\n"; 3518 warn "end emergency database checkpoint\n";
3519
3520 warn "begin write uuid\n";
3521 write_uuid_sync 1;
3522 warn "end write uuid\n";
2356 }; 3523 };
2357 3524
2358 warn "leave emergency perl save\n"; 3525 warn "leave emergency perl save\n";
2359} 3526}
2360 3527
… …
2363 3530
2364 warn Carp::longmess "post_cleanup backtrace" 3531 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core; 3532 if $make_core;
2366} 3533}
2367 3534
2368sub reload() { 3535sub do_reload_perl() {
2369 # can/must only be called in main 3536 # can/must only be called in main
2370 if ($Coro::current != $Coro::main) { 3537 if ($Coro::current != $Coro::main) {
2371 warn "can only reload from main coroutine"; 3538 warn "can only reload from main coroutine";
2372 return; 3539 return;
2373 } 3540 }
2374 3541
2375 warn "reloading..."; 3542 warn "reloading...";
2376 3543
2377 warn "cancelling server ticker"; 3544 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 3545
3546 cf::sync_job {
3547 cf::write_runtime; # external watchdog should not bark
2380 cf::emergency_save; 3548 cf::emergency_save;
3549 cf::write_runtime; # external watchdog should not bark
2381 3550
2382 eval { 3551 warn "syncing database to disk";
3552 BDB::db_env_txn_checkpoint $DB_ENV;
3553
2383 # if anything goes wrong in here, we should simply crash as we already saved 3554 # if anything goes wrong in here, we should simply crash as we already saved
2384
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 3555
2393 warn "flushing outstanding aio requests"; 3556 warn "flushing outstanding aio requests";
2394 for (;;) { 3557 for (;;) {
2395 BDB::flush; 3558 BDB::flush;
2396 IO::AIO::flush; 3559 IO::AIO::flush;
2397 Coro::cede; 3560 Coro::cede_notself;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3561 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 3562 warn "iterate...";
2400 } 3563 }
3564
3565 ++$RELOAD;
2401 3566
2402 warn "cancelling all extension coros"; 3567 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 3568 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 3569 %EXT_CORO = ();
2405 3570
2406 warn "removing commands"; 3571 warn "removing commands";
2407 %COMMAND = (); 3572 %COMMAND = ();
2408 3573
2409 warn "removing ext commands"; 3574 warn "removing ext/exti commands";
2410 %EXTCMD = (); 3575 %EXTCMD = ();
3576 %EXTICMD = ();
2411 3577
2412 warn "unloading/nuking all extensions"; 3578 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) { 3579 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg"; 3580 warn "... unloading $pkg";
2415 3581
… …
2445 Symbol::delete_package "safe::$_" 3611 Symbol::delete_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3612 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3613
2448 warn "unloading cf.pm \"a bit\""; 3614 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3615 delete $INC{"cf.pm"};
3616 delete $INC{"cf/pod.pm"};
2450 3617
2451 # don't, removes xs symbols, too, 3618 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3619 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3620 #Symbol::delete_package __PACKAGE__;
2454 3621
… …
2457 warn "reloading cf.pm"; 3624 warn "reloading cf.pm";
2458 require cf; 3625 require cf;
2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3626 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460 3627
2461 warn "loading config and database again"; 3628 warn "loading config and database again";
2462 cf::cfg_load; 3629 cf::reload_config;
2463 3630
2464 warn "loading extensions"; 3631 warn "loading extensions";
2465 cf::load_extensions; 3632 cf::load_extensions;
2466 3633
2467 warn "reattaching attachments to objects/players"; 3634 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3635 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3636 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3637 reattach $_ for values %MAP;
3638 warn "reattaching attachments to players";
3639 reattach $_ for values %PLAYER;
2471 3640
2472 warn "loading reloadable resources"; 3641 warn "leaving sync_job";
2473 load_resources;
2474 3642
2475 warn "restarting server ticker"; 3643 1
2476 3644 } or do {
2477 $TICK_WATCHER->start; 3645 warn $@;
3646 cf::cleanup "error while reloading, exiting.";
2478 }; 3647 };
2479
2480 if ($@) {
2481 warn $@;
2482 warn "error while reloading, exiting.";
2483 exit 1;
2484 }
2485 3648
2486 warn "reloaded"; 3649 warn "reloaded";
2487}; 3650};
2488 3651
2489our $RELOAD_WATCHER; # used only during reload 3652our $RELOAD_WATCHER; # used only during reload
2490 3653
3654sub reload_perl() {
3655 # doing reload synchronously and two reloads happen back-to-back,
3656 # coro crashes during coro_state_free->destroy here.
3657
3658 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3659 do_reload_perl;
3660 undef $RELOAD_WATCHER;
3661 };
3662}
3663
2491register_command "reload" => sub { 3664register_command "reload" => sub {
2492 my ($who, $arg) = @_; 3665 my ($who, $arg) = @_;
2493 3666
2494 if ($who->flag (FLAG_WIZ)) { 3667 if ($who->flag (FLAG_WIZ)) {
2495 $who->message ("reloading server."); 3668 $who->message ("reloading server.");
2496 3669 async {
2497 # doing reload synchronously and two reloads happen back-to-back, 3670 $Coro::current->{desc} = "perl_reload";
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2505 reload; 3671 reload_perl;
2506 undef $RELOAD_WATCHER;
2507 },
2508 ); 3672 };
2509 } 3673 }
2510}; 3674};
2511 3675
2512unshift @INC, $LIBDIR; 3676unshift @INC, $LIBDIR;
2513 3677
2514my $bug_warning = 0; 3678my $bug_warning = 0;
2515 3679
2516$TICK_WATCHER = Event->timer ( 3680our @WAIT_FOR_TICK;
2517 reentrant => 0, 3681our @WAIT_FOR_TICK_BEGIN;
2518 parked => 1, 3682
2519 prio => 0, 3683sub wait_for_tick {
2520 at => $NEXT_TICK || $TICK, 3684 return if tick_inhibit;
2521 data => WF_AUTOCANCEL, 3685 return if $Coro::current == $Coro::main;
2522 cb => sub { 3686
3687 my $signal = new Coro::Signal;
3688 push @WAIT_FOR_TICK, $signal;
3689 $signal->wait;
3690}
3691
3692sub wait_for_tick_begin {
3693 return if tick_inhibit;
3694 return if $Coro::current == $Coro::main;
3695
3696 my $signal = new Coro::Signal;
3697 push @WAIT_FOR_TICK_BEGIN, $signal;
3698 $signal->wait;
3699}
3700
3701sub tick {
2523 if ($Coro::current != $Coro::main) { 3702 if ($Coro::current != $Coro::main) {
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3703 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10; 3704 unless ++$bug_warning > 10;
2526 return; 3705 return;
2527 } 3706 }
2528 3707
2529 $NOW = Event::time;
2530
2531 cf::server_tick; # one server iteration 3708 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK;
2534 3709
2535 $WAIT_FOR_TICK->broadcast; 3710 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3711 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3712 Coro::async_pool {
3713 $Coro::current->{desc} = "runtime saver";
3714 write_runtime
3715 or warn "ERROR: unable to write runtime file: $!";
3716 };
3717 }
2537 3718
2538 Event::sweep; 3719 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539 Coro::cede_notself; 3720 $sig->send;
3721 }
3722 while (my $sig = shift @WAIT_FOR_TICK) {
3723 $sig->send;
3724 }
3725
3726 $LOAD = ($NOW - $TICK_START) / $TICK;
3727 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3728
3729 if (0) {
3730 if ($NEXT_TICK) {
3731 my $jitter = $TICK_START - $NEXT_TICK;
3732 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733 warn "jitter $JITTER\n";#d#
2540 3734 }
2541# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d#
2543
2544 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547 $TICK_WATCHER->at ($NEXT_TICK);
2548 $TICK_WATCHER->start;
2549 }, 3735 }
2550); 3736}
2551 3737
2552{ 3738{
2553 BDB::max_poll_time $TICK * 0.1; 3739 # configure BDB
2554 $BDB_POLL_WATCHER = Event->io ( 3740
2555 reentrant => 0,
2556 fd => BDB::poll_fileno,
2557 poll => 'r',
2558 prio => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => \&BDB::poll_cb,
2561 );
2562 BDB::min_parallel 8; 3741 BDB::min_parallel 8;
2563 3742 BDB::max_poll_reqs $TICK * 0.1;
2564 BDB::set_sync_prepare { 3743 $Coro::BDB::WATCHER->priority (1);
2565 my $status;
2566 my $current = $Coro::current;
2567 (
2568 sub {
2569 $status = $!;
2570 $current->ready; undef $current;
2571 },
2572 sub {
2573 Coro::schedule while defined $current;
2574 $! = $status;
2575 },
2576 )
2577 };
2578 3744
2579 unless ($DB_ENV) { 3745 unless ($DB_ENV) {
2580 $DB_ENV = BDB::db_env_create; 3746 $DB_ENV = BDB::db_env_create;
3747 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3748 | BDB::LOG_AUTOREMOVE, 1);
3749 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581 3751
2582 cf::sync_job { 3752 cf::sync_job {
2583 eval { 3753 eval {
2584 BDB::db_env_open 3754 BDB::db_env_open
2585 $DB_ENV, 3755 $DB_ENV,
2586 $BDB_ENV_DIR, 3756 $BDBDIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3757 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3758 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666; 3759 0666;
2590 3760
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3761 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect;
2595 }; 3762 };
2596 3763
2597 cf::cleanup "db_env_open(db): $@" if $@; 3764 cf::cleanup "db_env_open(db): $@" if $@;
2598 }; 3765 };
2599 } 3766 }
3767
3768 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3769 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3770 };
3771 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3772 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3773 };
3774 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3775 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3776 };
2600} 3777}
2601 3778
2602{ 3779{
3780 # configure IO::AIO
3781
2603 IO::AIO::min_parallel 8; 3782 IO::AIO::min_parallel 8;
2604
2605 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 3783 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 3784 $Coro::AIO::WATCHER->priority (1);
2608 reentrant => 0,
2609 fd => IO::AIO::poll_fileno,
2610 poll => 'r',
2611 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb,
2614 );
2615} 3785}
2616 3786
2617$WRITE_RUNTIME_WATCHER = Event->timer ( 3787my $_log_backtrace;
2618 reentrant => 0, 3788
2619 data => WF_AUTOCANCEL, 3789sub _log_backtrace {
2620 after => 1, 3790 my ($msg, @addr) = @_;
2621 interval => 10, 3791
2622 prio => 6, # keep it lowest so it acts like a watchdog 3792 $msg =~ s/\n//;
2623 cb => Coro::unblock_sub { 3793
2624 write_runtime 3794 # limit the # of concurrent backtraces
2625 or warn "ERROR: unable to write runtime file: $!"; 3795 if ($_log_backtrace < 2) {
3796 ++$_log_backtrace;
3797 async {
3798 $Coro::current->{desc} = "abt $msg";
3799
3800 my @bt = fork_call {
3801 @addr = map { sprintf "%x", $_ } @addr;
3802 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3803 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3804 or die "addr2line: $!";
3805
3806 my @funcs;
3807 my @res = <$fh>;
3808 chomp for @res;
3809 while (@res) {
3810 my ($func, $line) = splice @res, 0, 2, ();
3811 push @funcs, "[$func] $line";
3812 }
3813
3814 @funcs
3815 };
3816
3817 LOG llevInfo, "[ABT] $msg\n";
3818 LOG llevInfo, "[ABT] $_\n" for @bt;
3819 --$_log_backtrace;
3820 };
3821 } else {
3822 LOG llevInfo, "[ABT] $msg\n";
3823 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 3824 }
2627); 3825}
3826
3827# load additional modules
3828use cf::pod;
2628 3829
2629END { cf::emergency_save } 3830END { cf::emergency_save }
2630 3831
26311 38321
2632 3833

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