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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 76
40$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
41 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 79
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 81
49our %COMMAND = (); 82our %COMMAND = ();
50our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
51 84
52our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
56 90
57our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 92our @EVENT;
59 93
60our $CONFDIR = confdir; 94our $CONFDIR = confdir;
61our $DATADIR = datadir; 95our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 96our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 97our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 98our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 99our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 100our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 101our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 102our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 103our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 104our $BDBDIR = "$LOCALDIR/db";
105our $PIDFILE = "$LOCALDIR/pid";
106our $RUNTIMEFILE = "$LOCALDIR/runtime";
107
108our %RESOURCE;
71 109
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 112our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
79 114
115our $BDB_DEADLOCK_WATCHER;
116our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 117our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 118our $DB_ENV;
119
120our @EXTRA_MODULES = qw(pod mapscript);
82 121
83our %CFG; 122our %CFG;
84 123
85our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 125our $RUNTIME;
126our $NOW;
87 127
88our %PLAYER; # all users 128our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 129our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 130our $LINK_MAP; # the special {link} map, which is always available
91 131
92# used to convert map paths into valid unix filenames by replacing / by ∕ 132# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 133our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 134
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 135our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
137our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
139
140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
98 144
99binmode STDOUT; 145binmode STDOUT;
100binmode STDERR; 146binmode STDERR;
101 147
102# read virtual server time, if available 148# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 150 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
107} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
108 156
109mkdir $_ 157mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 159
112our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
… …
155 203
156The raw value load value from the last tick. 204The raw value load value from the last tick.
157 205
158=item %cf::CFG 206=item %cf::CFG
159 207
160Configuration for the server, loaded from C</etc/crossfire/config>, or 208Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 209from wherever your confdir points to.
162 210
163=item cf::wait_for_tick, cf::wait_for_tick_begin 211=item cf::wait_for_tick, cf::wait_for_tick_begin
164 212
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 213These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 214returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 215per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 216
217=item @cf::INVOKE_RESULTS
218
219This array contains the results of the last C<invoke ()> call. When
220C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
221that call.
222
169=back 223=back
170 224
171=cut 225=cut
172 226
173BEGIN { 227BEGIN {
… …
177 $msg .= "\n" 231 $msg .= "\n"
178 unless $msg =~ /\n$/; 232 unless $msg =~ /\n$/;
179 233
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 234 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 235
182 utf8::encode $msg;
183 LOG llevError, $msg; 236 LOG llevError, $msg;
184 }; 237 };
185} 238}
239
240$Coro::State::DIEHOOK = sub {
241 return unless $^S eq 0; # "eq", not "=="
242
243 if ($Coro::current == $Coro::main) {#d#
244 warn "DIEHOOK called in main context, Coro bug?\n";#d#
245 return;#d#
246 }#d#
247
248 # kill coroutine otherwise
249 warn Carp::longmess $_[0];
250 Coro::terminate
251};
252
253$SIG{__DIE__} = sub { }; #d#?
186 254
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 255@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 256@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 257@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 258@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 259@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
260@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 261@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 262
194# we bless all objects into (empty) derived classes to force a method lookup 263# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 264# within the Safe compartment.
196for my $pkg (qw( 265for my $pkg (qw(
197 cf::global cf::attachable 266 cf::global cf::attachable
198 cf::object cf::object::player 267 cf::object cf::object::player
199 cf::client cf::player 268 cf::client cf::player
200 cf::arch cf::living 269 cf::arch cf::living
270 cf::map cf::mapspace
201 cf::map cf::party cf::region 271 cf::party cf::region
202)) { 272)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 273 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 274}
206 275
207$Event::DIED = sub { 276$EV::DIED = sub {
208 warn "error in event callback: @_"; 277 warn "error in event callback: @_";
209}; 278};
279
280#############################################################################
210 281
211=head2 UTILITY FUNCTIONS 282=head2 UTILITY FUNCTIONS
212 283
213=over 4 284=over 4
214 285
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 304 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 305 $d
235 } || "[unable to dump $_[0]: '$@']"; 306 } || "[unable to dump $_[0]: '$@']";
236} 307}
237 308
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 309=item $ref = cf::decode_json $json
241 310
242Converts a JSON string into the corresponding perl data structure. 311Converts a JSON string into the corresponding perl data structure.
243 312
244=item $json = cf::to_json $ref 313=item $json = cf::encode_json $ref
245 314
246Converts a perl data structure into its JSON representation. 315Converts a perl data structure into its JSON representation.
247 316
317=cut
318
319our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
320
321sub encode_json($) { $json_coder->encode ($_[0]) }
322sub decode_json($) { $json_coder->decode ($_[0]) }
323
324=item cf::post_init { BLOCK }
325
326Execute the given codeblock, I<after> all extensions have been (re-)loaded,
327but I<before> the server starts ticking again.
328
329The cdoeblock will have a single boolean argument to indicate whether this
330is a reload or not.
331
332=cut
333
334sub post_init(&) {
335 push @POST_INIT, shift;
336}
337
248=item cf::lock_wait $string 338=item cf::lock_wait $string
249 339
250Wait until the given lock is available. See cf::lock_acquire. 340Wait until the given lock is available. See cf::lock_acquire.
251 341
252=item my $lock = cf::lock_acquire $string 342=item my $lock = cf::lock_acquire $string
253 343
254Wait until the given lock is available and then acquires it and returns 344Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 345a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 346for example when the coroutine gets canceled), the lock is automatically
257returned. 347returned.
258 348
349Locks are *not* recursive, locking from the same coro twice results in a
350deadlocked coro.
351
259Lock names should begin with a unique identifier (for example, cf::map::find 352Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 353uses map_find and cf::map::load uses map_load).
261 354
262=item $locked = cf::lock_active $string 355=item $locked = cf::lock_active $string
263 356
264Return true if the lock is currently active, i.e. somebody has locked it. 357Return true if the lock is currently active, i.e. somebody has locked it.
265 358
266=cut 359=cut
267 360
268our %LOCK; 361our $LOCKS = new Coro::SemaphoreSet;
269 362
270sub lock_wait($) { 363sub lock_wait($) {
271 my ($key) = @_; 364 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 365}
279 366
280sub lock_acquire($) { 367sub lock_acquire($) {
281 my ($key) = @_; 368 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 369}
293 370
294sub lock_active($) { 371sub lock_active($) {
295 my ($key) = @_; 372 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 373}
299 374
300sub freeze_mainloop { 375sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 376 tick_inhibit_inc;
302 377
303 my $guard = Coro::guard { 378 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 379}
380
381=item cf::periodic $interval, $cb
382
383Like EV::periodic, but randomly selects a starting point so that the actions
384get spread over timer.
385
386=cut
387
388sub periodic($$) {
389 my ($interval, $cb) = @_;
390
391 my $start = rand List::Util::min 180, $interval;
392
393 EV::periodic $start, $interval, 0, $cb
394}
395
396=item cf::get_slot $time[, $priority[, $name]]
397
398Allocate $time seconds of blocking CPU time at priority C<$priority>:
399This call blocks and returns only when you have at least C<$time> seconds
400of cpu time till the next tick. The slot is only valid till the next cede.
401
402The optional C<$name> can be used to identify the job to run. It might be
403used for statistical purposes and should identify the same time-class.
404
405Useful for short background jobs.
406
407=cut
408
409our @SLOT_QUEUE;
410our $SLOT_QUEUE;
411
412$SLOT_QUEUE->cancel if $SLOT_QUEUE;
413$SLOT_QUEUE = Coro::async {
414 $Coro::current->desc ("timeslot manager");
415
416 my $signal = new Coro::Signal;
417
418 while () {
419 next_job:
420 my $avail = cf::till_tick;
421 if ($avail > 0.01) {
422 for (0 .. $#SLOT_QUEUE) {
423 if ($SLOT_QUEUE[$_][0] < $avail) {
424 my $job = splice @SLOT_QUEUE, $_, 1, ();
425 $job->[2]->send;
426 Coro::cede;
427 goto next_job;
428 }
429 }
430 }
431
432 if (@SLOT_QUEUE) {
433 # we do not use wait_for_tick() as it returns immediately when tick is inactive
434 push @cf::WAIT_FOR_TICK, $signal;
435 $signal->wait;
436 } else {
437 Coro::schedule;
438 }
305 }; 439 }
306 $TICK_WATCHER->stop; 440};
307 $guard 441
442sub get_slot($;$$) {
443 return if tick_inhibit || $Coro::current == $Coro::main;
444
445 my ($time, $pri, $name) = @_;
446
447 $time = $TICK * .6 if $time > $TICK * .6;
448 my $sig = new Coro::Signal;
449
450 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
451 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
452 $SLOT_QUEUE->ready;
453 $sig->wait;
308} 454}
309 455
310=item cf::async { BLOCK } 456=item cf::async { BLOCK }
311 457
312Currently the same as Coro::async_pool, meaning you cannot use 458Currently the same as Coro::async_pool, meaning you cannot use
… …
317 463
318BEGIN { *async = \&Coro::async_pool } 464BEGIN { *async = \&Coro::async_pool }
319 465
320=item cf::sync_job { BLOCK } 466=item cf::sync_job { BLOCK }
321 467
322The design of crossfire+ requires that the main coro ($Coro::main) is 468The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 469is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 470partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
471acceptable.
325 472
326If it must be done, put the blocking parts into C<sync_job>. This will run 473If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 474the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 475server will be frozen during this time, so the block should either finish
329fast or be very important. 476fast or be very important.
… …
332 479
333sub sync_job(&) { 480sub sync_job(&) {
334 my ($job) = @_; 481 my ($job) = @_;
335 482
336 if ($Coro::current == $Coro::main) { 483 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 484 my $time = EV::time;
338 485
339 # this is the main coro, too bad, we have to block 486 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 487 # till the operation succeeds, freezing the server :/
341 488
342 # TODO: use suspend/resume instead 489 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 490
344 my $freeze_guard = freeze_mainloop; 491 my $freeze_guard = freeze_mainloop;
345 492
346 my $busy = 1; 493 my $busy = 1;
347 my @res; 494 my @res;
348 495
349 (async { 496 (async {
497 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 498 @res = eval { $job->() };
351 warn $@ if $@; 499 warn $@ if $@;
352 undef $busy; 500 undef $busy;
353 })->prio (Coro::PRIO_MAX); 501 })->prio (Coro::PRIO_MAX);
354 502
355 while ($busy) { 503 while ($busy) {
356 Coro::cede or Event::one_event; 504 if (Coro::nready) {
505 Coro::cede_notself;
506 } else {
507 EV::loop EV::LOOP_ONESHOT;
357 } 508 }
509 }
358 510
359 $time = Event::time - $time; 511 my $time = EV::time - $time;
360 512
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 513 $TICK_START += $time; # do not account sync jobs to server load
365 514
366 wantarray ? @res : $res[0] 515 wantarray ? @res : $res[0]
367 } else { 516 } else {
368 # we are in another coroutine, how wonderful, everything just works 517 # we are in another coroutine, how wonderful, everything just works
369 518
… …
389 $EXT_CORO{$coro+0} = $coro; 538 $EXT_CORO{$coro+0} = $coro;
390 539
391 $coro 540 $coro
392} 541}
393 542
394sub write_runtime { 543=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 544
397 # first touch the runtime file to show we are still running: 545Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 546process, returning the results. Everything must be serialisable with
547Coro::Storable. May, of course, block. Note that the executed sub may
548never block itself or use any form of event handling.
399 549
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 550=cut
401 utime undef, undef, $fh; 551
552sub fork_call(&@) {
553 my ($cb, @args) = @_;
554
555 # we seemingly have to make a local copy of the whole thing,
556 # otherwise perl prematurely frees the stuff :/
557 # TODO: investigate and fix (likely this will be rather laborious)
558
559 my @res = Coro::Util::fork_eval {
560 reset_signals;
561 &$cb
562 }, @args;
563
564 wantarray ? @res : $res[-1]
565}
566
567=item $coin = coin_from_name $name
568
569=cut
570
571our %coin_alias = (
572 "silver" => "silvercoin",
573 "silvercoin" => "silvercoin",
574 "silvercoins" => "silvercoin",
575 "gold" => "goldcoin",
576 "goldcoin" => "goldcoin",
577 "goldcoins" => "goldcoin",
578 "platinum" => "platinacoin",
579 "platinumcoin" => "platinacoin",
580 "platinumcoins" => "platinacoin",
581 "platina" => "platinacoin",
582 "platinacoin" => "platinacoin",
583 "platinacoins" => "platinacoin",
584 "royalty" => "royalty",
585 "royalties" => "royalty",
586);
587
588sub coin_from_name($) {
589 $coin_alias{$_[0]}
590 ? cf::arch::find $coin_alias{$_[0]}
591 : undef
592}
593
594=item $value = cf::db_get $family => $key
595
596Returns a single value from the environment database.
597
598=item cf::db_put $family => $key => $value
599
600Stores the given C<$value> in the family. It can currently store binary
601data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
602
603=item $db = cf::db_table "name"
604
605Create and/or open a new database table. The string must not be "db" and must be unique
606within each server.
607
608=cut
609
610sub db_table($) {
611 my ($name) = @_;
612 my $db = BDB::db_create $DB_ENV;
613
614 eval {
615 $db->set_flags (BDB::CHKSUM);
616
617 utf8::encode $name;
618 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
619 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
620 cf::cleanup "db_open(db): $!" if $!;
402 } 621 };
622 cf::cleanup "db_open(db): $@" if $@;
403 623
404 my $guard = cf::lock_acquire "write_runtime"; 624 $db
625}
405 626
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 627our $DB;
407 or return;
408 628
409 my $value = $cf::RUNTIME + 90 + 10; 629sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 630 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 631 $DB ||= db_table "db";
632 };
633}
412 634
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 635sub db_get($$) {
414 and return; 636 my $key = "$_[0]/$_[1]";
415 637
416 # always fsync - this file is important 638 cf::sync_job {
417 aio_fsync $fh 639 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 640
420 # touch it again to show we are up-to-date 641 $! ? ()
421 utime undef, undef, $fh; 642 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 643 }
644}
645
646sub db_put($$$) {
647 BDB::dbreq_pri 4;
648 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
649}
650
651=item cf::cache $id => [$paths...], $processversion => $process
652
653Generic caching function that returns the value of the resource $id,
654caching and regenerating as required.
655
656This function can block.
657
658=cut
659
660sub cache {
661 my ($id, $src, $processversion, $process) = @_;
662
663 my $meta =
664 join "\x00",
665 $processversion,
666 map {
667 aio_stat $_
668 and Carp::croak "$_: $!";
669
670 ($_, (stat _)[7,9])
671 } @$src;
672
673 my $dbmeta = db_get cache => "$id/meta";
674 if ($dbmeta ne $meta) {
675 # changed, we may need to process
676
677 my @data;
678 my $md5;
679
680 for (0 .. $#$src) {
681 0 <= aio_load $src->[$_], $data[$_]
682 or Carp::croak "$src->[$_]: $!";
683 }
684
685 # if processing is expensive, check
686 # checksum first
687 if (1) {
688 $md5 =
689 join "\x00",
690 $processversion,
691 map {
692 cf::cede_to_tick;
693 ($src->[$_], Digest::MD5::md5_hex $data[$_])
694 } 0.. $#$src;
695
696
697 my $dbmd5 = db_get cache => "$id/md5";
698 if ($dbmd5 eq $md5) {
699 db_put cache => "$id/meta", $meta;
700
701 return db_get cache => "$id/data";
702 }
703 }
704
705 my $t1 = Time::HiRes::time;
706 my $data = $process->(\@data);
707 my $t2 = Time::HiRes::time;
708
709 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
710
711 db_put cache => "$id/data", $data;
712 db_put cache => "$id/md5" , $md5;
713 db_put cache => "$id/meta", $meta;
714
715 return $data;
716 }
717
718 db_get cache => "$id/data"
432} 719}
433 720
434=item cf::datalog type => key => value, ... 721=item cf::datalog type => key => value, ...
435 722
436Log a datalog packet of the given type with the given key-value pairs. 723Log a datalog packet of the given type with the given key-value pairs.
… …
448 735
449############################################################################# 736#############################################################################
450 737
451=head2 ATTACHABLE OBJECTS 738=head2 ATTACHABLE OBJECTS
452 739
453Many objects in crossfire are so-called attachable objects. That means you can 740Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 741attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 742to it. All such attachable objects support the following methods.
456 743
457In the following description, CLASS can be any of C<global>, C<object> 744In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 745C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 746Deliantra).
460 747
461=over 4 748=over 4
462 749
463=item $attachable->attach ($attachment, key => $value...) 750=item $attachable->attach ($attachment, key => $value...)
464 751
… …
508=item cf::CLASS::attachment $name, ... 795=item cf::CLASS::attachment $name, ...
509 796
510Register an attachment by C<$name> through which attachable objects of the 797Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 798given CLASS can refer to this attachment.
512 799
513Some classes such as crossfire maps and objects can specify attachments 800Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 801that are attached at load/instantiate time, thus the need for a name.
515 802
516These calls expect any number of the following handler/hook descriptions: 803These calls expect any number of the following handler/hook descriptions:
517 804
518=over 4 805=over 4
… …
666 _attach $registry, $klass, @attach; 953 _attach $registry, $klass, @attach;
667 } 954 }
668 955
669 $obj->{$name} = \%arg; 956 $obj->{$name} = \%arg;
670 } else { 957 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 958 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 959 }
673 960
674 $obj->{_attachment}{$name} = undef; 961 $obj->{_attachment}{$name} = undef;
675} 962}
676 963
… …
716 "; 1003 ";
717 die if $@; 1004 die if $@;
718} 1005}
719 1006
720our $override; 1007our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1008our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 1009
723sub override { 1010sub override {
724 $override = 1; 1011 $override = 1;
725 @invoke_results = (); 1012 @INVOKE_RESULTS = (@_);
726} 1013}
727 1014
728sub do_invoke { 1015sub do_invoke {
729 my $event = shift; 1016 my $event = shift;
730 my $callbacks = shift; 1017 my $callbacks = shift;
731 1018
732 @invoke_results = (); 1019 @INVOKE_RESULTS = ();
733 1020
734 local $override; 1021 local $override;
735 1022
736 for (@$callbacks) { 1023 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1024 eval { &{$_->[1]} };
… …
746 } 1033 }
747 1034
748 0 1035 0
749} 1036}
750 1037
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1039
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1040=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1041
755Generate an object-specific event with the given arguments. 1042Generate an object-specific event with the given arguments.
756 1043
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1044This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 1045removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 1046results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1047
761=back 1048=back
762 1049
763=cut 1050=cut
764 1051
765############################################################################# 1052#############################################################################
766# object support 1053# object support
1054
1055sub _object_equal($$);
1056sub _object_equal($$) {
1057 my ($a, $b) = @_;
1058
1059 return 0 unless (ref $a) eq (ref $b);
1060
1061 if ("HASH" eq ref $a) {
1062 my @ka = keys %$a;
1063 my @kb = keys %$b;
1064
1065 return 0 if @ka != @kb;
1066
1067 for (0 .. $#ka) {
1068 return 0 unless $ka[$_] eq $kb[$_];
1069 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1070 }
1071
1072 } elsif ("ARRAY" eq ref $a) {
1073
1074 return 0 if @$a != @$b;
1075
1076 for (0 .. $#$a) {
1077 return 0 unless _object_equal $a->[$_], $b->[$_];
1078 }
1079
1080 } elsif ($a ne $b) {
1081 return 0;
1082 }
1083
1084 1
1085}
1086
1087our $SLOW_MERGES;#d#
1088sub _can_merge {
1089 my ($ob1, $ob2) = @_;
1090
1091 ++$SLOW_MERGES;#d#
1092
1093 # we do the slow way here
1094 return _object_equal $ob1, $ob2
1095}
767 1096
768sub reattach { 1097sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1098 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1099 my ($obj) = @_;
771 1100
1101 # no longer needed after getting rid of delete_package?
772 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1102 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773 1103
774 my $registry = $obj->registry; 1104 my $registry = $obj->registry;
775 1105
776 @$registry = (); 1106 @$registry = ();
777 1107
… …
792cf::attachable->attach ( 1122cf::attachable->attach (
793 prio => -1000000, 1123 prio => -1000000,
794 on_instantiate => sub { 1124 on_instantiate => sub {
795 my ($obj, $data) = @_; 1125 my ($obj, $data) = @_;
796 1126
797 $data = from_json $data; 1127 $data = decode_json $data;
798 1128
799 for (@$data) { 1129 for (@$data) {
800 my ($name, $args) = @$_; 1130 my ($name, $args) = @$_;
801 1131
802 $obj->attach ($name, %{$args || {} }); 1132 $obj->attach ($name, %{$args || {} });
… …
818sub object_freezer_save { 1148sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1149 my ($filename, $rdata, $objs) = @_;
820 1150
821 sync_job { 1151 sync_job {
822 if (length $$rdata) { 1152 if (length $$rdata) {
1153 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1154 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
825 1156
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1158 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1160 if ($cf::USE_FSYNC) {
1161 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1162 aio_fsync $fh;
1163 }
830 close $fh; 1164 aio_close $fh;
831 1165
832 if (@$objs) { 1166 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1167 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1168 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1171 if ($cf::USE_FSYNC) {
1172 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1173 aio_fsync $fh;
1174 }
838 close $fh; 1175 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
840 } 1177 }
841 } else { 1178 } else {
842 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
843 } 1180 }
844 1181
845 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
846 } else { 1186 } else {
847 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
848 } 1188 }
849 } else { 1189 } else {
850 aio_unlink $filename; 1190 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
852 } 1192 }
853 } 1193 };
854} 1194}
855 1195
856sub object_freezer_as_string { 1196sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1197 my ($rdata, $objs) = @_;
858 1198
… …
870 or return; 1210 or return;
871 1211
872 unless (aio_stat "$filename.pst") { 1212 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1213 (aio_load "$filename.pst", $av) >= 0
874 or return; 1214 or return;
1215
875 $av = eval { (Storable::thaw $av)->{objs} }; 1216 my $st = eval { Coro::Storable::thaw $av };
1217 $av = $st->{objs};
876 } 1218 }
877 1219
1220 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1221 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1222 $decname, length $data, scalar @{$av || []};
1223
880 return ($data, $av); 1224 ($data, $av)
881} 1225}
1226
1227=head2 COMMAND CALLBACKS
1228
1229=over 4
1230
1231=cut
882 1232
883############################################################################# 1233#############################################################################
884# command handling &c 1234# command handling &c
885 1235
886=item cf::register_command $name => \&callback($ob,$args); 1236=item cf::register_command $name => \&callback($ob,$args);
… …
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1249 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1250}
901 1251
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1252=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1253
904Register a callbackf ro execution when the client sends an extcmd packet. 1254Register a callback for execution when the client sends an (synchronous)
1255extcmd packet. Ext commands will be processed in the order they are
1256received by the server, like other user commands. The first argument is
1257the logged-in player. Ext commands can only be processed after a player
1258has logged in successfully.
905 1259
906If the callback returns something, it is sent back as if reply was being 1260If the callback returns something, it is sent back as if reply was being
907called. 1261called.
908 1262
1263=item cf::register_exticmd $name => \&callback($ns,$packet);
1264
1265Register a callback for execution when the client sends an (asynchronous)
1266exticmd packet. Exti commands are processed by the server as soon as they
1267are received, i.e. out of order w.r.t. other commands. The first argument
1268is a client socket. Exti commands can be received anytime, even before
1269log-in.
1270
1271If the callback returns something, it is sent back as if reply was being
1272called.
1273
909=cut 1274=cut
910 1275
911sub register_extcmd { 1276sub register_extcmd {
912 my ($name, $cb) = @_; 1277 my ($name, $cb) = @_;
913 1278
914 $EXTCMD{$name} = $cb; 1279 $EXTCMD{$name} = $cb;
915} 1280}
1281
1282sub register_exticmd {
1283 my ($name, $cb) = @_;
1284
1285 $EXTICMD{$name} = $cb;
1286}
1287
1288use File::Glob ();
916 1289
917cf::player->attach ( 1290cf::player->attach (
918 on_command => sub { 1291 on_command => sub {
919 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
920 1293
… …
928 cf::override; 1301 cf::override;
929 }, 1302 },
930 on_extcmd => sub { 1303 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1304 my ($pl, $buf) = @_;
932 1305
933 my $msg = eval { from_json $buf }; 1306 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1307
935 if (ref $msg) { 1308 if (ref $msg) {
1309 my ($type, $reply, @payload) =
1310 "ARRAY" eq ref $msg
1311 ? @$msg
1312 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313
1314 my @reply;
1315
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1316 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1317 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1318 }
1319
1320 $pl->ext_reply ($reply, @reply)
1321 if $reply;
1322
941 } else { 1323 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1324 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1325 }
944 1326
945 cf::override; 1327 cf::override;
946 }, 1328 },
947); 1329);
948 1330
1331# "readahead" all extensions
949sub load_extension { 1332sub cache_extensions {
950 my ($path) = @_; 1333 my $grp = IO::AIO::aio_group;
951 1334
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1335 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953 my $base = $1; 1336 for (grep /\.ext$/, @{$_[0]}) {
954 my $pkg = $1; 1337 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 } 1338 }
977 die $@;
978 } 1339 };
979 1340
980 push @EXTS, $pkg; 1341 $grp
981} 1342}
982 1343
983sub load_extensions { 1344sub load_extensions {
1345 cf::sync_job {
1346 my %todo;
1347
984 for my $ext (<$LIBDIR/*.ext>) { 1348 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1349 next unless -r $path;
986 eval { 1350
987 load_extension $ext; 1351 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1352 my $base = $1;
1353 my $pkg = $1;
1354 $pkg =~ s/[^[:word:]]/_/g;
1355 $pkg = "ext::$pkg";
1356
1357 open my $fh, "<:utf8", $path
1358 or die "$path: $!";
1359
1360 my $source = do { local $/; <$fh> };
1361
1362 my %ext = (
1363 path => $path,
1364 base => $base,
1365 pkg => $pkg,
1366 );
1367
1368 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1369 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1370
1371 $ext{source} =
1372 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1373 . "#line 1 \"$path\"\n{\n"
1374 . $source
1375 . "\n};\n1";
1376
1377 $todo{$base} = \%ext;
1378 }
1379
1380 my %done;
1381 while (%todo) {
1382 my $progress;
1383
1384 while (my ($k, $v) = each %todo) {
1385 for (split /,\s*/, $v->{meta}{depends}) {
1386 goto skip
1387 unless exists $done{$_};
1388 }
1389
1390 warn "... loading '$k' into '$v->{pkg}'\n";
1391
1392 unless (eval $v->{source}) {
1393 my $msg = $@ ? "$v->{path}: $@\n"
1394 : "$v->{base}: extension inactive.\n";
1395
1396 if (exists $v->{meta}{mandatory}) {
1397 warn $msg;
1398 cf::cleanup "mandatory extension failed to load, exiting.";
1399 }
1400
1401 warn $msg;
1402 }
1403
1404 $done{$k} = delete $todo{$k};
1405 push @EXTS, $v->{pkg};
1406 $progress = 1;
988 1 1407 }
989 } or warn "$ext not loaded: $@"; 1408
1409 skip:
1410 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1411 unless $progress;
1412 }
990 } 1413 };
991} 1414}
992 1415
993############################################################################# 1416#############################################################################
994 1417
1418=back
1419
995=head2 CORE EXTENSIONS 1420=head2 CORE EXTENSIONS
996 1421
997Functions and methods that extend core crossfire objects. 1422Functions and methods that extend core deliantra objects.
998 1423
999=cut 1424=cut
1000 1425
1001package cf::player; 1426package cf::player;
1002 1427
1003use Coro::AIO; 1428use Coro::AIO;
1004 1429
1005=head3 cf::player 1430=head3 cf::player
1006 1431
1007=over 4 1432=over 4
1433
1434=item cf::player::num_playing
1435
1436Returns the official number of playing players, as per the Crossfire metaserver rules.
1437
1438=cut
1439
1440sub num_playing {
1441 scalar grep
1442 $_->ob->map
1443 && !$_->hidden
1444 && !$_->ob->flag (cf::FLAG_WIZ),
1445 cf::player::list
1446}
1008 1447
1009=item cf::player::find $login 1448=item cf::player::find $login
1010 1449
1011Returns the given player object, loading it if necessary (might block). 1450Returns the given player object, loading it if necessary (might block).
1012 1451
… …
1031 1470
1032sub exists($) { 1471sub exists($) {
1033 my ($login) = @_; 1472 my ($login) = @_;
1034 1473
1035 $cf::PLAYER{$login} 1474 $cf::PLAYER{$login}
1036 or cf::sync_job { !aio_stat path $login } 1475 or !aio_stat path $login
1037} 1476}
1038 1477
1039sub find($) { 1478sub find($) {
1040 return $cf::PLAYER{$_[0]} || do { 1479 return $cf::PLAYER{$_[0]} || do {
1041 my $login = $_[0]; 1480 my $login = $_[0];
… …
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1487 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1488 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1489 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1490 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1491
1053 my $pl = load_pl path $login 1492 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1493 or return;
1494
1495 my $pl = cf::player::load_pl $f
1496 or return;
1497
1498 local $cf::PLAYER_LOADING{$login} = $pl;
1499 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1500 $cf::PLAYER{$login} = $pl
1056 } 1501 }
1057 } 1502 }
1058} 1503}
1059 1504
… …
1068 return if $pl->{deny_save}; 1513 return if $pl->{deny_save};
1069 1514
1070 aio_mkdir playerdir $pl, 0770; 1515 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1516 $pl->{last_save} = $cf::RUNTIME;
1072 1517
1518 cf::get_slot 0.01;
1519
1073 $pl->save_pl ($path); 1520 $pl->save_pl ($path);
1074 Coro::cede; 1521 cf::cede_to_tick;
1075} 1522}
1076 1523
1077sub new($) { 1524sub new($) {
1078 my ($login) = @_; 1525 my ($login) = @_;
1079 1526
… …
1085 $cf::PLAYER{$login} = $self; 1532 $cf::PLAYER{$login} = $self;
1086 1533
1087 $self 1534 $self
1088} 1535}
1089 1536
1537=item $player->send_msg ($channel, $msg, $color, [extra...])
1538
1539=cut
1540
1541sub send_msg {
1542 my $ns = shift->ns
1543 or return;
1544 $ns->send_msg (@_);
1545}
1546
1090=item $pl->quit_character 1547=item $pl->quit_character
1091 1548
1092Nukes the player without looking back. If logged in, the connection will 1549Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1550be destroyed. May block for a long time.
1094 1551
… …
1098 my ($pl) = @_; 1555 my ($pl) = @_;
1099 1556
1100 my $name = $pl->ob->name; 1557 my $name = $pl->ob->name;
1101 1558
1102 $pl->{deny_save} = 1; 1559 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1560 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1104 1561
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1562 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1563 $pl->deactivate;
1564 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1565 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1566 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1567 $pl->ns->destroy if $pl->ns;
1109 1568
1110 my $path = playerdir $pl; 1569 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1570 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1147 or return []; 1606 or return [];
1148 1607
1149 my @logins; 1608 my @logins;
1150 1609
1151 for my $login (@$dirs) { 1610 for my $login (@$dirs) {
1611 my $path = path $login;
1612
1613 # a .pst is a dead give-away for a valid player
1614 # if no pst file found, open and chekc for blocked users
1615 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1616 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1617 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1618 $buf !~ /^password -------------$/m or next; # official not-valid tag
1619 }
1155 1620
1156 utf8::decode $login; 1621 utf8::decode $login;
1157 push @logins, $login; 1622 push @logins, $login;
1158 } 1623 }
1159 1624
… …
1186 } 1651 }
1187 1652
1188 \@paths 1653 \@paths
1189} 1654}
1190 1655
1656=item $protocol_xml = $player->expand_cfpod ($cfpod)
1657
1658Expand deliantra pod fragments into protocol xml.
1659
1191=item $player->ext_reply ($msgid, %msg) 1660=item $player->ext_reply ($msgid, @msg)
1192 1661
1193Sends an ext reply to the player. 1662Sends an ext reply to the player.
1194 1663
1195=cut 1664=cut
1196 1665
1197sub ext_reply($$%) { 1666sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1667 my ($self, $id, @msg) = @_;
1199 1668
1200 $msg{msgid} = $id; 1669 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1670}
1204 1671
1205=item $player->ext_event ($type, %msg) 1672=item $player->ext_msg ($type, @msg)
1206 1673
1207Sends an ext event to the client. 1674Sends an ext event to the client.
1208 1675
1209=cut 1676=cut
1210 1677
1211sub ext_event($$%) { 1678sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1679 my ($self, $type, @msg) = @_;
1213 1680
1214 $self->ns->ext_event ($type, %msg); 1681 $self->ns->ext_msg ($type, @msg);
1215} 1682}
1216 1683
1217=head3 cf::region 1684=head3 cf::region
1218 1685
1219=over 4 1686=over 4
… …
1222 1689
1223package cf::region; 1690package cf::region;
1224 1691
1225=item cf::region::find_by_path $path 1692=item cf::region::find_by_path $path
1226 1693
1227Tries to decuce the probable region for a map knowing only its path. 1694Tries to decuce the likely region for a map knowing only its path.
1228 1695
1229=cut 1696=cut
1230 1697
1231sub find_by_path($) { 1698sub find_by_path($) {
1232 my ($path) = @_; 1699 my ($path) = @_;
1233 1700
1234 my ($match, $specificity); 1701 my ($match, $specificity);
1235 1702
1236 for my $region (list) { 1703 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1704 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1705 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1706 if $region->specificity > $specificity;
1240 } 1707 }
1241 } 1708 }
1242 1709
… …
1263our $MAX_RESET = 3600; 1730our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1731our $DEFAULT_RESET = 3000;
1265 1732
1266sub generate_random_map { 1733sub generate_random_map {
1267 my ($self, $rmp) = @_; 1734 my ($self, $rmp) = @_;
1735
1736 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1737
1268 # mit "rum" bekleckern, nicht 1738 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1739 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1740 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1741 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1742 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1306 my ($self, $merge) = @_; 1776 my ($self, $merge) = @_;
1307 1777
1308 # we have to keep some variables in memory intact 1778 # we have to keep some variables in memory intact
1309 local $self->{path}; 1779 local $self->{path};
1310 local $self->{load_path}; 1780 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1781
1314 $self->SUPER::thawer_merge ($merge); 1782 $self->SUPER::thawer_merge ($merge);
1315} 1783}
1316 1784
1317sub normalise { 1785sub normalise {
… …
1364 $self->init; # pass $1 etc. 1832 $self->init; # pass $1 etc.
1365 return $self; 1833 return $self;
1366 } 1834 }
1367 } 1835 }
1368 1836
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1837 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1838 ()
1371} 1839}
1372 1840
1373sub init { 1841sub init {
1374 my ($self) = @_; 1842 my ($self) = @_;
… …
1396 1864
1397# the temporary/swap location 1865# the temporary/swap location
1398sub save_path { 1866sub save_path {
1399 my ($self) = @_; 1867 my ($self) = @_;
1400 1868
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1870 "$TMPDIR/$path.map"
1403} 1871}
1404 1872
1405# the unique path, undef == no special unique path 1873# the unique path, undef == no special unique path
1406sub uniq_path { 1874sub uniq_path {
1407 my ($self) = @_; 1875 my ($self) = @_;
1408 1876
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$path"
1411} 1879}
1412 1880
1413# and all this just because we cannot iterate over 1881sub decay_objects {
1414# all maps in C++...
1415sub change_all_map_light {
1416 my ($change) = @_; 1882 my ($self) = @_;
1417 1883
1418 $_->change_map_light ($change) 1884 return if $self->{deny_reset};
1419 for grep $_->outdoor, values %cf::MAP; 1885
1886 $self->do_decay_objects;
1420} 1887}
1421 1888
1422sub unlink_save { 1889sub unlink_save {
1423 my ($self) = @_; 1890 my ($self) = @_;
1424 1891
… …
1429 1896
1430sub load_header_from($) { 1897sub load_header_from($) {
1431 my ($self, $path) = @_; 1898 my ($self, $path) = @_;
1432 1899
1433 utf8::encode $path; 1900 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1902 or return;
1903
1904 $self->_load_header ($f)
1905 or return;
1906
1907 local $MAP_LOADING{$self->{path}} = $self;
1908 $f->resolve_delayed_derefs;
1439 1909
1440 $self->{load_path} = $path; 1910 $self->{load_path} = $path;
1441 1911
1442 1 1912 1
1443} 1913}
… …
1482 $self->load_header_orig 1952 $self->load_header_orig
1483 or return; 1953 or return;
1484 $self->prepare_orig; 1954 $self->prepare_orig;
1485 } 1955 }
1486 1956
1957 $self->{deny_reset} = 1
1958 if $self->no_reset;
1959
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1960 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1961 unless $self->default_region;
1489 1962
1490 1 1963 1
1491} 1964}
… …
1494sub find { 1967sub find {
1495 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1496 1969
1497 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1498 1971
1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1500 1974
1501 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1502 my $guard = cf::lock_acquire "map_find:$path";
1503 my $map = new_from_path cf::map $path 1976 my $map = new_from_path cf::map $path
1504 or return; 1977 or return;
1505 1978
1506 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1507 1980
1508 $map->load_header 1981 $map->load_header
1509 or return; 1982 or return;
1510 1983
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1984 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1985 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1986 #$cf::WAIT_FOR_TICK->wait;
1987 undef $guard2;
1988 undef $guard1;
1514 $map->reset; 1989 $map->reset;
1515 undef $guard;
1516 return find $path; 1990 return find $path;
1517 } 1991 }
1518 1992
1519 $cf::MAP{$path} = $map 1993 $cf::MAP{$path} = $map
1520 } 1994 }
… …
1529 local $self->{deny_reset} = 1; # loading can take a long time 2003 local $self->{deny_reset} = 1; # loading can take a long time
1530 2004
1531 my $path = $self->{path}; 2005 my $path = $self->{path};
1532 2006
1533 { 2007 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2008 my $guard = cf::lock_acquire "map_data:$path";
1535 2009
2010 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2011 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2012
1538 $self->in_memory (cf::MAP_LOADING); 2013 $self->in_memory (cf::MAP_LOADING);
1539 2014
1540 $self->alloc; 2015 $self->alloc;
1541 2016
1542 $self->pre_load; 2017 $self->pre_load;
1543 Coro::cede; 2018 cf::cede_to_tick;
1544 2019
2020 my $f = new_from_file cf::object::thawer $self->{load_path};
2021 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2022 $self->_load_objects ($f)
1546 or return; 2023 or return;
1547 2024
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2025 $self->post_load_original
1549 if delete $self->{load_original}; 2026 if delete $self->{load_original};
1550 2027
1551 if (my $uniq = $self->uniq_path) { 2028 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2029 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2030 unless (aio_stat $uniq) {
2031 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2032 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2033 $self->_load_objects ($f);
2034 $f->resolve_delayed_derefs;
2035 }
1556 } 2036 }
1557 } 2037 }
1558 2038
1559 Coro::cede; 2039 $f->resolve_delayed_derefs;
2040
2041 cf::cede_to_tick;
1560 # now do the right thing for maps 2042 # now do the right thing for maps
1561 $self->link_multipart_objects; 2043 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2044 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2045 unless $self->difficulty;
1564 Coro::cede; 2046 cf::cede_to_tick;
1565 2047
1566 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2049 $self->decay_objects;
1568 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
1569 $self->update_buttons; 2051 $self->update_buttons;
1570 Coro::cede; 2052 cf::cede_to_tick;
1571 $self->set_darkness_map;
1572 Coro::cede;
1573 $self->activate; 2053 $self->activate;
1574 } 2054 }
1575 2055
2056 $self->{last_save} = $cf::RUNTIME;
2057 $self->last_access ($cf::RUNTIME);
2058
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2059 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2060 }
1578 2061
1579 $self->post_load; 2062 $self->post_load;
1580} 2063}
1581 2064
… …
1583 my ($self, $ob) = @_; 2066 my ($self, $ob) = @_;
1584 2067
1585 return find "~" . $ob->name . "/" . $self->{path} 2068 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2069 if $self->per_player;
1587 2070
2071# return find "?party/" . $ob->name . "/" . $self->{path}
2072# if $self->per_party;
2073
1588 $self 2074 $self
1589} 2075}
1590 2076
1591# find and load all maps in the 3x3 area around a map 2077# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2078sub load_neighbours {
1593 my ($map) = @_; 2079 my ($map) = @_;
1594 2080
1595 my @diag; # diagonal neighbours 2081 my @neigh; # diagonal neighbours
1596 2082
1597 for (0 .. 3) { 2083 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2084 my $neigh = $map->tile_path ($_)
1599 or next; 2085 or next;
1600 $neigh = find $neigh, $map 2086 $neigh = find $neigh, $map
1601 or next; 2087 or next;
1602 $neigh->load; 2088 $neigh->load;
1603 2089
2090 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2091 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2092 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2093 }
1607 2094
1608 for (@diag) { 2095 for (grep defined $_->[0], @neigh) {
2096 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2097 my $neigh = find $path, $origin
1610 or next; 2098 or next;
1611 $neigh->load; 2099 $neigh->load;
1612 } 2100 }
1613} 2101}
1614 2102
… …
1619} 2107}
1620 2108
1621sub do_load_sync { 2109sub do_load_sync {
1622 my ($map) = @_; 2110 my ($map) = @_;
1623 2111
2112 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2113 if $Coro::current == $Coro::main;
2114
1624 cf::sync_job { $map->load }; 2115 cf::sync_job { $map->load };
1625} 2116}
1626 2117
1627our %MAP_PREFETCH; 2118our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2119our $MAP_PREFETCHER = undef;
1629 2120
1630sub find_async { 2121sub find_async {
1631 my ($path, $origin) = @_; 2122 my ($path, $origin, $load) = @_;
1632 2123
1633 $path = normalise $path, $origin && $origin->{path}; 2124 $path = normalise $path, $origin && $origin->{path};
1634 2125
1635 if (my $map = $cf::MAP{$path}) { 2126 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2127 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2128 }
1638 2129
1639 undef $MAP_PREFETCH{$path}; 2130 $MAP_PREFETCH{$path} |= $load;
2131
1640 $MAP_PREFETCHER ||= cf::async { 2132 $MAP_PREFETCHER ||= cf::async {
2133 $Coro::current->{desc} = "map prefetcher";
2134
1641 while (%MAP_PREFETCH) { 2135 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2136 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2137 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2138 $map->load if $v;
2139 }
1646 2140
1647 delete $MAP_PREFETCH{$path}; 2141 delete $MAP_PREFETCH{$k};
1648 } 2142 }
1649 } 2143 }
1650 undef $MAP_PREFETCHER; 2144 undef $MAP_PREFETCHER;
1651 }; 2145 };
1652 $MAP_PREFETCHER->prio (6); 2146 $MAP_PREFETCHER->prio (6);
… …
1655} 2149}
1656 2150
1657sub save { 2151sub save {
1658 my ($self) = @_; 2152 my ($self) = @_;
1659 2153
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2154 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2155
1662 $self->{last_save} = $cf::RUNTIME; 2156 $self->{last_save} = $cf::RUNTIME;
1663 2157
1664 return unless $self->dirty; 2158 return unless $self->dirty;
1665 2159
… …
1671 return if $self->{deny_save}; 2165 return if $self->{deny_save};
1672 2166
1673 local $self->{last_access} = $self->last_access;#d# 2167 local $self->{last_access} = $self->last_access;#d#
1674 2168
1675 cf::async { 2169 cf::async {
2170 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2171 $_->contr->save for $self->players;
1677 }; 2172 };
2173
2174 cf::get_slot 0.02;
1678 2175
1679 if ($uniq) { 2176 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2177 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2178 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2179 } else {
… …
1688 my ($self) = @_; 2185 my ($self) = @_;
1689 2186
1690 # save first because save cedes 2187 # save first because save cedes
1691 $self->save; 2188 $self->save;
1692 2189
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2190 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2191
1695 return if $self->players; 2192 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2193 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2194 return if $self->{deny_save};
1698 2195
2196 $self->in_memory (cf::MAP_SWAPPED);
2197
2198 $self->deactivate;
2199 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2200 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2201}
1702 2202
1703sub reset_at { 2203sub reset_at {
1704 my ($self) = @_; 2204 my ($self) = @_;
1705 2205
1706 # TODO: safety, remove and allow resettable per-player maps 2206 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2207 return 1e99 if $self->{deny_reset};
1709 2208
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2209 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2210 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2211
… …
1723 my ($self) = @_; 2222 my ($self) = @_;
1724 2223
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2225
1727 return if $self->players; 2226 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2227
1730 warn "resetting map ", $self->path;#d# 2228 warn "resetting map ", $self->path;
1731 2229
1732 $self->in_memory (cf::MAP_SWAPPED); 2230 $self->in_memory (cf::MAP_SWAPPED);
1733 2231
1734 # need to save uniques path 2232 # need to save uniques path
1735 unless ($self->{deny_save}) { 2233 unless ($self->{deny_save}) {
… …
1739 if $uniq; 2237 if $uniq;
1740 } 2238 }
1741 2239
1742 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1743 2241
2242 $self->deactivate;
2243 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2244 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2245
1748 $self->unlink_save; 2246 $self->unlink_save;
1749 $self->destroy; 2247 $self->destroy;
1750} 2248}
1751 2249
1752my $nuke_counter = "aaaa"; 2250my $nuke_counter = "aaaa";
1753 2251
1754sub nuke { 2252sub nuke {
1755 my ($self) = @_; 2253 my ($self) = @_;
1756 2254
2255 {
2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
2257
1757 delete $cf::MAP{$self->path}; 2258 delete $cf::MAP{$self->path};
1758 2259
1759 $self->unlink_save; 2260 $self->unlink_save;
1760 2261
1761 bless $self, "cf::map"; 2262 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2263 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2264 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2265 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2266 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2267
1767 $cf::MAP{$self->path} = $self; 2268 $cf::MAP{$self->path} = $self;
2269 }
1768 2270
1769 $self->reset; # polite request, might not happen 2271 $self->reset; # polite request, might not happen
2272}
2273
2274=item $maps = cf::map::tmp_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277maps. May block.
2278
2279=cut
2280
2281sub tmp_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise $_
2287 : ()
2288 } @{ aio_readdir $TMPDIR or [] }
2289 ]
2290}
2291
2292=item $maps = cf::map::random_maps
2293
2294Returns an arrayref with all map paths of currently instantiated and saved
2295random maps. May block.
2296
2297=cut
2298
2299sub random_maps() {
2300 [
2301 map {
2302 utf8::decode $_;
2303 /\.map$/
2304 ? normalise "?random/$_"
2305 : ()
2306 } @{ aio_readdir $RANDOMDIR or [] }
2307 ]
1770} 2308}
1771 2309
1772=item cf::map::unique_maps 2310=item cf::map::unique_maps
1773 2311
1774Returns an arrayref of paths of all shared maps that have 2312Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2313instantiated unique items. May block.
1776 2314
1777=cut 2315=cut
1778 2316
1779sub unique_maps() { 2317sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2318 [
1781 or return; 2319 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2320 utf8::decode $_;
1787 next if /\.pst$/; 2321 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2322 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2323 ? ()
1790 push @paths, cf::map::normalise $_; 2324 : normalise $_
2325 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2326 ]
1792
1793 \@paths
1794} 2327}
1795
1796package cf;
1797 2328
1798=back 2329=back
1799 2330
1800=head3 cf::object 2331=head3 cf::object
1801 2332
… …
1805 2336
1806=over 4 2337=over 4
1807 2338
1808=item $ob->inv_recursive 2339=item $ob->inv_recursive
1809 2340
1810Returns the inventory of the object _and_ their inventories, recursively. 2341Returns the inventory of the object I<and> their inventories, recursively,
2342but I<not> the object itself.
1811 2343
1812=cut 2344=cut
1813 2345
1814sub inv_recursive_; 2346sub inv_recursive_;
1815sub inv_recursive_ { 2347sub inv_recursive_ {
… …
1818 2350
1819sub inv_recursive { 2351sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2352 inv_recursive_ inv $_[0]
1821} 2353}
1822 2354
2355=item $ref = $ob->ref
2356
2357Creates and returns a persistent reference to an object that can be stored as a string.
2358
2359=item $ob = cf::object::deref ($refstring)
2360
2361returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2362even if the object actually exists. May block.
2363
2364=cut
2365
2366sub deref {
2367 my ($ref) = @_;
2368
2369 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2370 my ($uuid, $name) = ($1, $2);
2371 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2372 or return;
2373 $pl->ob->uuid eq $uuid
2374 or return;
2375
2376 $pl->ob
2377 } else {
2378 warn "$ref: cannot resolve object reference\n";
2379 undef
2380 }
2381}
2382
1823package cf; 2383package cf;
1824 2384
1825=back 2385=back
1826 2386
1827=head3 cf::object::player 2387=head3 cf::object::player
… …
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2393Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2394can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2395dialogue with the given NPC character.
1836 2396
1837=cut 2397=cut
2398
2399our $SAY_CHANNEL = {
2400 id => "say",
2401 title => "Map",
2402 reply => "say ",
2403 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2404};
2405
2406our $CHAT_CHANNEL = {
2407 id => "chat",
2408 title => "Chat",
2409 reply => "chat ",
2410 tooltip => "Player chat and shouts, global to the server.",
2411};
1838 2412
1839# rough implementation of a future "reply" method that works 2413# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2414# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2415#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2416sub cf::object::player::reply($$$;$) {
… …
1844 2418
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2419 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2420
1847 if ($self->{record_replies}) { 2421 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2422 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2423
1849 } else { 2424 } else {
2425 my $pl = $self->contr;
2426
2427 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2428 my $dialog = $pl->{npc_dialog};
2429 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2430
2431 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2432 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2433 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2434 }
1852 } 2435 }
2436}
2437
2438=item $object->send_msg ($channel, $msg, $color, [extra...])
2439
2440=cut
2441
2442sub cf::object::send_msg {
2443 my $pl = shift->contr
2444 or return;
2445 $pl->send_msg (@_);
1853} 2446}
1854 2447
1855=item $player_object->may ("access") 2448=item $player_object->may ("access")
1856 2449
1857Returns wether the given player is authorized to access resource "access" 2450Returns wether the given player is authorized to access resource "access"
… …
1870 2463
1871=item $player_object->enter_link 2464=item $player_object->enter_link
1872 2465
1873Freezes the player and moves him/her to a special map (C<{link}>). 2466Freezes the player and moves him/her to a special map (C<{link}>).
1874 2467
1875The player should be reasonably safe there for short amounts of time. You 2468The player should be reasonably safe there for short amounts of time (e.g.
1876I<MUST> call C<leave_link> as soon as possible, though. 2469for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2470though, as the palyer cannot control the character while it is on the link
2471map.
1877 2472
1878Will never block. 2473Will never block.
1879 2474
1880=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
1881 2476
… …
1904 $self->deactivate_recursive; 2499 $self->deactivate_recursive;
1905 2500
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2501 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2502
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2503 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2504 if $self->map && $self->map->{path} ne "{link}";
1910 2505
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2506 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2507}
1913 2508
1914sub cf::object::player::leave_link { 2509sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2510 my ($self, $map, $x, $y) = @_;
2511
2512 return unless $self->contr->active;
1916 2513
1917 my $link_pos = delete $self->{_link_pos}; 2514 my $link_pos = delete $self->{_link_pos};
1918 2515
1919 unless ($map) { 2516 unless ($map) {
1920 # restore original map position 2517 # restore original map position
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2531 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2532 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2533 if $x <=0 && $y <= 0;
1937 2534
1938 $map->load; 2535 $map->load;
1939 $map->load_diag; 2536 $map->load_neighbours;
1940 2537
1941 return unless $self->contr->active; 2538 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2539
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1946}
1947 2542
1948cf::player->attach ( 2543 # only activate afterwards, to support waiting in hooks
1949 on_logout => sub { 2544 $self->activate_recursive;
1950 my ($pl) = @_; 2545}
1951 2546
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2547=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2548
1982Moves the player to the given map-path and coordinates by first freezing 2549Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2550her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2551that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2552the new (success) or old (failed) map position. In either case, $done will
2553be called at the end of this process.
1986 2554
2555Note that $check will be called with a potentially non-loaded map, so if
2556it needs a loaded map it has to call C<< ->load >>.
2557
1987=cut 2558=cut
2559
2560our $GOTOGEN;
1988 2561
1989sub cf::object::player::goto { 2562sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2563 my ($self, $path, $x, $y, $check, $done) = @_;
2564
2565 # do generation counting so two concurrent goto's will be executed in-order
2566 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991 2567
1992 $self->enter_link; 2568 $self->enter_link;
1993 2569
1994 (async { 2570 (async {
2571 $Coro::current->{desc} = "player::goto $path $x $y";
2572
2573 # *tag paths override both path and x|y
2574 if ($path =~ /^\*(.*)$/) {
2575 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2576 my $ob = $obs[rand @obs];
2577
2578 # see if we actually can go there
2579 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2580 $ob = $obs[rand @obs];
2581 } else {
2582 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2583 }
2584 # else put us there anyways for now #d#
2585
2586 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2587 } else {
2588 ($path, $x, $y) = (undef, undef, undef);
2589 }
2590 }
2591
1995 my $map = eval { 2592 my $map = eval {
1996 my $map = cf::map::find $path; 2593 my $map = defined $path ? cf::map::find $path : undef;
1997 2594
1998 if ($map) { 2595 if ($map) {
1999 $map = $map->customise_for ($self); 2596 $map = $map->customise_for ($self);
2000 $map = $check->($map) if $check && $map; 2597 $map = $check->($map) if $check && $map;
2001 } else { 2598 } else {
2002 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2599 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003 } 2600 }
2004 2601
2005 $map 2602 $map
2006 }; 2603 };
2007 2604
2008 if ($@) { 2605 if ($@) {
2009 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2606 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010 LOG llevError | logBacktrace, Carp::longmess $@; 2607 LOG llevError | logBacktrace, Carp::longmess $@;
2011 } 2608 }
2012 2609
2610 if ($gen == $self->{_goto_generation}) {
2611 delete $self->{_goto_generation};
2013 $self->leave_link ($map, $x, $y); 2612 $self->leave_link ($map, $x, $y);
2613 }
2614
2615 $done->() if $done;
2014 })->prio (1); 2616 })->prio (1);
2015} 2617}
2016 2618
2017=item $player_object->enter_exit ($exit_object) 2619=item $player_object->enter_exit ($exit_object)
2018 2620
… …
2038} 2640}
2039 2641
2040sub prepare_random_map { 2642sub prepare_random_map {
2041 my ($exit) = @_; 2643 my ($exit) = @_;
2042 2644
2043 my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045 # all this does is basically replace the /! path by 2645 # all this does is basically replace the /! path by
2046 # a new random map path (?random/...) with a seed 2646 # a new random map path (?random/...) with a seed
2047 # that depends on the exit object 2647 # that depends on the exit object
2048 2648
2049 my $rmp = parse_random_map_params $exit->msg; 2649 my $rmp = parse_random_map_params $exit->msg;
… …
2051 if ($exit->map) { 2651 if ($exit->map) {
2052 $rmp->{region} = $exit->region->name; 2652 $rmp->{region} = $exit->region->name;
2053 $rmp->{origin_map} = $exit->map->path; 2653 $rmp->{origin_map} = $exit->map->path;
2054 $rmp->{origin_x} = $exit->x; 2654 $rmp->{origin_x} = $exit->x;
2055 $rmp->{origin_y} = $exit->y; 2655 $rmp->{origin_y} = $exit->y;
2656
2657 $exit->map->touch;
2056 } 2658 }
2057 2659
2058 $rmp->{random_seed} ||= $exit->random_seed; 2660 $rmp->{random_seed} ||= $exit->random_seed;
2059 2661
2060 my $data = cf::to_json $rmp; 2662 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061 my $md5 = Digest::MD5::md5_hex $data; 2663 my $md5 = Digest::MD5::md5_hex $data;
2062 my $meta = "$RANDOMDIR/$md5.meta"; 2664 my $meta = "$RANDOMDIR/$md5.meta";
2063 2665
2064 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2666 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065 aio_write $fh, 0, (length $data), $data, 0; 2667 aio_write $fh, 0, (length $data), $data, 0;
2066 undef $fh; 2668 undef $fh;
2067 aio_rename "$meta~", $meta; 2669 aio_rename "$meta~", $meta;
2068 2670
2671 my $slaying = "?random/$md5";
2672
2673 if ($exit->valid) {
2069 $exit->slaying ("?random/$md5"); 2674 $exit->slaying ("?random/$md5");
2070 $exit->msg (undef); 2675 $exit->msg (undef);
2676 }
2071 } 2677 }
2072} 2678}
2073 2679
2074sub cf::object::player::enter_exit { 2680sub cf::object::player::enter_exit {
2075 my ($self, $exit) = @_; 2681 my ($self, $exit) = @_;
2076 2682
2077 return unless $self->type == cf::PLAYER; 2683 return unless $self->type == cf::PLAYER;
2078 2684
2079 if ($exit->slaying eq "/!") {
2080 #TODO: this should de-fi-ni-te-ly not be a sync-job
2081 # the problem is that $exit might not survive long enough
2082 # so it needs to be done right now, right here
2083 cf::sync_job { prepare_random_map $exit };
2084 }
2085
2086 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087 my $hp = $exit->stats->hp;
2088 my $sp = $exit->stats->sp;
2089
2090 $self->enter_link; 2685 $self->enter_link;
2091 2686
2092 (async { 2687 (async {
2093 $self->deactivate_recursive; # just to be sure 2688 $Coro::current->{desc} = "enter_exit";
2689
2094 unless (eval { 2690 unless (eval {
2691 $self->deactivate_recursive; # just to be sure
2692
2693 # random map handling
2694 {
2695 my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697 prepare_random_map $exit
2698 if $exit->slaying eq "/!";
2699 }
2700
2701 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2702 my $x = $exit->stats->hp;
2703 my $y = $exit->stats->sp;
2704
2095 $self->goto ($slaying, $hp, $sp); 2705 $self->goto ($map, $x, $y);
2096 2706
2707 # if exit is damned, update players death & WoR home-position
2708 $self->contr->savebed ($map, $x, $y)
2709 if $exit->flag (cf::FLAG_DAMNED);
2710
2097 1; 2711 1
2098 }) { 2712 }) {
2099 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2100 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2101 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2102 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2103 2717
2104 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
… …
2123 2737
2124 utf8::encode $text; 2738 utf8::encode $text;
2125 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2739 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126} 2740}
2127 2741
2742=item $client->send_msg ($channel, $msg, $color, [extra...])
2743
2744Send a drawinfo or msg packet to the client, formatting the msg for the
2745client if neccessary. C<$type> should be a string identifying the type of
2746the message, with C<log> being the default. If C<$color> is negative, suppress
2747the message unless the client supports the msg packet.
2748
2749=cut
2750
2751# non-persistent channels (usually the info channel)
2752our %CHANNEL = (
2753 "c/identify" => {
2754 id => "infobox",
2755 title => "Identify",
2756 reply => undef,
2757 tooltip => "Items recently identified",
2758 },
2759 "c/examine" => {
2760 id => "infobox",
2761 title => "Examine",
2762 reply => undef,
2763 tooltip => "Signs and other items you examined",
2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2771 "c/lookat" => {
2772 id => "infobox",
2773 title => "Look",
2774 reply => undef,
2775 tooltip => "What you saw there",
2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/statistics" => {
2790 id => "infobox",
2791 title => "Statistics",
2792 reply => undef,
2793 tooltip => "Shows your primary statistics",
2794 },
2795 "c/skills" => {
2796 id => "infobox",
2797 title => "Skills",
2798 reply => undef,
2799 tooltip => "Shows your experience per skill and item power",
2800 },
2801 "c/shopitems" => {
2802 id => "infobox",
2803 title => "Shop Items",
2804 reply => undef,
2805 tooltip => "Shows the items currently for sale in this shop",
2806 },
2807 "c/resistances" => {
2808 id => "infobox",
2809 title => "Resistances",
2810 reply => undef,
2811 tooltip => "Shows your resistances",
2812 },
2813 "c/pets" => {
2814 id => "infobox",
2815 title => "Pets",
2816 reply => undef,
2817 tooltip => "Shows information abotu your pets/a specific pet",
2818 },
2819 "c/perceiveself" => {
2820 id => "infobox",
2821 title => "Perceive Self",
2822 reply => undef,
2823 tooltip => "You gained detailed knowledge about yourself",
2824 },
2825 "c/uptime" => {
2826 id => "infobox",
2827 title => "Uptime",
2828 reply => undef,
2829 tooltip => "How long the server has been running since last restart",
2830 },
2831 "c/mapinfo" => {
2832 id => "infobox",
2833 title => "Map Info",
2834 reply => undef,
2835 tooltip => "Information related to the maps",
2836 },
2837 "c/party" => {
2838 id => "party",
2839 title => "Party",
2840 reply => "gsay ",
2841 tooltip => "Messages and chat related to your party",
2842 },
2843 "c/death" => {
2844 id => "death",
2845 title => "Death",
2846 reply => undef,
2847 tooltip => "Reason for and more info about your most recent death",
2848 },
2849 "c/say" => $SAY_CHANNEL,
2850 "c/chat" => $CHAT_CHANNEL,
2851);
2852
2853sub cf::client::send_msg {
2854 my ($self, $channel, $msg, $color, @extra) = @_;
2855
2856 $msg = $self->pl->expand_cfpod ($msg)
2857 unless $color & cf::NDI_VERBATIM;
2858
2859 $color &= cf::NDI_CLIENT_MASK; # just in case...
2860
2861 # check predefined channels, for the benefit of C
2862 if ($CHANNEL{$channel}) {
2863 $channel = $CHANNEL{$channel};
2864
2865 $self->ext_msg (channel_info => $channel);
2866 $channel = $channel->{id};
2867
2868 } elsif (ref $channel) {
2869 # send meta info to client, if not yet sent
2870 unless (exists $self->{channel}{$channel->{id}}) {
2871 $self->{channel}{$channel->{id}} = $channel;
2872 $self->ext_msg (channel_info => $channel);
2873 }
2874
2875 $channel = $channel->{id};
2876 }
2877
2878 return unless @extra || length $msg;
2879
2880 # default colour, mask it out
2881 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2882 if $color & cf::NDI_DEF;
2883
2884 my $pkt = "msg "
2885 . $self->{json_coder}->encode (
2886 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2887 );
2888
2889 # try lzf for large packets
2890 $pkt = "lzf " . Compress::LZF::compress $pkt
2891 if 1024 <= length $pkt and $self->{can_lzf};
2892
2893 # split very large packets
2894 if (8192 < length $pkt and $self->{can_lzf}) {
2895 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2896 $pkt = "frag";
2897 }
2898
2899 $self->send_packet ($pkt);
2900}
2901
2128=item $client->ext_event ($type, %msg) 2902=item $client->ext_msg ($type, @msg)
2129 2903
2130Sends an exti event to the client. 2904Sends an ext event to the client.
2131 2905
2132=cut 2906=cut
2133 2907
2134sub cf::client::ext_event($$%) { 2908sub cf::client::ext_msg($$@) {
2135 my ($self, $type, %msg) = @_; 2909 my ($self, $type, @msg) = @_;
2136 2910
2911 if ($self->extcmd == 2) {
2912 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913 } elsif ($self->extcmd == 1) { # TODO: remove
2137 $msg{msgtype} = "event_$type"; 2914 push @msg, msgtype => "event_$type";
2138 $self->send_packet ("ext " . cf::to_json \%msg); 2915 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916 }
2917}
2918
2919=item $client->ext_reply ($msgid, @msg)
2920
2921Sends an ext reply to the client.
2922
2923=cut
2924
2925sub cf::client::ext_reply($$@) {
2926 my ($self, $id, @msg) = @_;
2927
2928 if ($self->extcmd == 2) {
2929 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930 } elsif ($self->extcmd == 1) {
2931 #TODO: version 1, remove
2932 unshift @msg, msgtype => "reply", msgid => $id;
2933 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934 }
2139} 2935}
2140 2936
2141=item $success = $client->query ($flags, "text", \&cb) 2937=item $success = $client->query ($flags, "text", \&cb)
2142 2938
2143Queues a query to the client, calling the given callback with 2939Queues a query to the client, calling the given callback with
2144the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2940the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2941C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146 2942
2147Queries can fail, so check the return code. Or don't, as queries will become 2943Queries can fail, so check the return code. Or don't, as queries will
2148reliable at some point in the future. 2944become reliable at some point in the future.
2149 2945
2150=cut 2946=cut
2151 2947
2152sub cf::client::query { 2948sub cf::client::query {
2153 my ($self, $flags, $text, $cb) = @_; 2949 my ($self, $flags, $text, $cb) = @_;
… …
2161 utf8::encode $text; 2957 utf8::encode $text;
2162 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2958 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163 2959
2164 $self->send_packet ($self->{query_queue}[0][0]) 2960 $self->send_packet ($self->{query_queue}[0][0])
2165 if @{ $self->{query_queue} } == 1; 2961 if @{ $self->{query_queue} } == 1;
2962
2963 1
2166} 2964}
2167 2965
2168cf::client->attach ( 2966cf::client->attach (
2967 on_connect => sub {
2968 my ($ns) = @_;
2969
2970 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2971 },
2169 on_reply => sub { 2972 on_reply => sub {
2170 my ($ns, $msg) = @_; 2973 my ($ns, $msg) = @_;
2171 2974
2172 # this weird shuffling is so that direct followup queries 2975 # this weird shuffling is so that direct followup queries
2173 # get handled first 2976 # get handled first
… …
2185 } else { 2988 } else {
2186 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2989 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187 } 2990 }
2188 } 2991 }
2189 }, 2992 },
2993 on_exticmd => sub {
2994 my ($ns, $buf) = @_;
2995
2996 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2997
2998 if (ref $msg) {
2999 my ($type, $reply, @payload) =
3000 "ARRAY" eq ref $msg
3001 ? @$msg
3002 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3003
3004 my @reply;
3005
3006 if (my $cb = $EXTICMD{$type}) {
3007 @reply = $cb->($ns, @payload);
3008 }
3009
3010 $ns->ext_reply ($reply, @reply)
3011 if $reply;
3012
3013 } else {
3014 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3015 }
3016
3017 cf::override;
3018 },
2190); 3019);
2191 3020
2192=item $client->async (\&cb) 3021=item $client->async (\&cb)
2193 3022
2194Create a new coroutine, running the specified callback. The coroutine will 3023Create a new coroutine, running the specified callback. The coroutine will
… …
2235our $safe = new Safe "safe"; 3064our $safe = new Safe "safe";
2236our $safe_hole = new Safe::Hole; 3065our $safe_hole = new Safe::Hole;
2237 3066
2238$SIG{FPE} = 'IGNORE'; 3067$SIG{FPE} = 'IGNORE';
2239 3068
2240$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3069$safe->permit_only (Opcode::opset qw(
3070 :base_core :base_mem :base_orig :base_math
3071 grepstart grepwhile mapstart mapwhile
3072 sort time
3073));
2241 3074
2242# here we export the classes and methods available to script code 3075# here we export the classes and methods available to script code
2243 3076
2244=pod 3077=pod
2245 3078
2246The following functions and methods are available within a safe environment: 3079The following functions and methods are available within a safe environment:
2247 3080
2248 cf::object contr pay_amount pay_player map 3081 cf::object
3082 contr pay_amount pay_player map x y force_find force_add destroy
3083 insert remove name archname title slaying race decrease split
3084 value
3085
2249 cf::object::player player 3086 cf::object::player
2250 cf::player peaceful 3087 player
2251 cf::map trigger 3088
3089 cf::player
3090 peaceful
3091
3092 cf::map
3093 trigger
2252 3094
2253=cut 3095=cut
2254 3096
2255for ( 3097for (
2256 ["cf::object" => qw(contr pay_amount pay_player map)], 3098 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3099 insert remove inv nrof name archname title slaying race
3100 decrease split destroy change_exp value msg lore send_msg)],
2257 ["cf::object::player" => qw(player)], 3101 ["cf::object::player" => qw(player)],
2258 ["cf::player" => qw(peaceful)], 3102 ["cf::player" => qw(peaceful send_msg)],
2259 ["cf::map" => qw(trigger)], 3103 ["cf::map" => qw(trigger)],
2260) { 3104) {
2261 no strict 'refs'; 3105 no strict 'refs';
2262 my ($pkg, @funs) = @$_; 3106 my ($pkg, @funs) = @$_;
2263 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3107 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2280 my ($code, %vars) = @_; 3124 my ($code, %vars) = @_;
2281 3125
2282 my $qcode = $code; 3126 my $qcode = $code;
2283 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3127 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2284 $qcode =~ s/\n/\\n/g; 3128 $qcode =~ s/\n/\\n/g;
3129
3130 %vars = (_dummy => 0) unless %vars;
2285 3131
2286 local $_; 3132 local $_;
2287 local @safe::cf::_safe_eval_args = values %vars; 3133 local @safe::cf::_safe_eval_args = values %vars;
2288 3134
2289 my $eval = 3135 my $eval =
… …
2332=back 3178=back
2333 3179
2334=cut 3180=cut
2335 3181
2336############################################################################# 3182#############################################################################
2337
2338=head2 EXTENSION DATABASE SUPPORT
2339
2340Crossfire maintains a very simple database for extension use. It can
2341currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342convert to/from binary).
2343
2344The parameter C<$family> should best start with the name of the extension
2345using it, it should be unique.
2346
2347=over 4
2348
2349=item $value = cf::db_get $family => $key
2350
2351Returns a single value from the database.
2352
2353=item cf::db_put $family => $key => $value
2354
2355Stores the given C<$value> in the family.
2356
2357=cut
2358
2359our $DB;
2360
2361sub db_init {
2362 unless ($DB) {
2363 $DB = BDB::db_create $DB_ENV;
2364
2365 cf::sync_job {
2366 eval {
2367 $DB->set_flags (BDB::CHKSUM);
2368
2369 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371 cf::cleanup "db_open(db): $!" if $!;
2372 };
2373 cf::cleanup "db_open(db): $@" if $@;
2374 };
2375 }
2376}
2377
2378sub db_get($$) {
2379 my $key = "$_[0]/$_[1]";
2380
2381 cf::sync_job {
2382 BDB::db_get $DB, undef, $key, my $data;
2383
2384 $! ? ()
2385 : $data
2386 }
2387}
2388
2389sub db_put($$$) {
2390 BDB::dbreq_pri 4;
2391 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392}
2393
2394=item cf::cache $id => [$paths...], $processversion => $process
2395
2396Generic caching function that returns the value of the resource $id,
2397caching and regenerating as required.
2398
2399This function can block.
2400
2401=cut
2402
2403sub cache {
2404 my ($id, $src, $processversion, $process) = @_;
2405
2406 my $meta =
2407 join "\x00",
2408 $processversion,
2409 map {
2410 aio_stat $_
2411 and Carp::croak "$_: $!";
2412
2413 ($_, (stat _)[7,9])
2414 } @$src;
2415
2416 my $dbmeta = db_get cache => "$id/meta";
2417 if ($dbmeta ne $meta) {
2418 # changed, we may need to process
2419
2420 my @data;
2421 my $md5;
2422
2423 for (0 .. $#$src) {
2424 0 <= aio_load $src->[$_], $data[$_]
2425 or Carp::croak "$src->[$_]: $!";
2426 }
2427
2428 # if processing is expensive, check
2429 # checksum first
2430 if (1) {
2431 $md5 =
2432 join "\x00",
2433 $processversion,
2434 map {
2435 Coro::cede;
2436 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2437 } 0.. $#$src;
2438
2439
2440 my $dbmd5 = db_get cache => "$id/md5";
2441 if ($dbmd5 eq $md5) {
2442 db_put cache => "$id/meta", $meta;
2443
2444 return db_get cache => "$id/data";
2445 }
2446 }
2447
2448 my $t1 = Time::HiRes::time;
2449 my $data = $process->(\@data);
2450 my $t2 = Time::HiRes::time;
2451
2452 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454 db_put cache => "$id/data", $data;
2455 db_put cache => "$id/md5" , $md5;
2456 db_put cache => "$id/meta", $meta;
2457
2458 return $data;
2459 }
2460
2461 db_get cache => "$id/data"
2462}
2463
2464=item fork_call { }, $args
2465
2466Executes the given code block with the given arguments in a seperate
2467process, returning the results. Everything must be serialisable with
2468Coro::Storable. May, of course, block. Note that the executed sub may
2469never block itself or use any form of Event handling.
2470
2471=cut
2472
2473sub fork_call(&@) {
2474 my ($cb, @args) = @_;
2475
2476# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477# or die "socketpair: $!";
2478 pipe my $fh1, my $fh2
2479 or die "pipe: $!";
2480
2481 if (my $pid = fork) {
2482 close $fh2;
2483
2484 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485 $res = Coro::Storable::thaw $res;
2486
2487 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489 die $$res unless "ARRAY" eq ref $res;
2490
2491 return wantarray ? @$res : $res->[-1];
2492 } else {
2493 reset_signals;
2494 local $SIG{__WARN__};
2495 local $SIG{__DIE__};
2496 eval {
2497 close $fh1;
2498
2499 my @res = eval { $cb->(@args) };
2500 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501 };
2502
2503 warn $@ if $@;
2504 _exit 0;
2505 }
2506}
2507
2508
2509
2510#############################################################################
2511# the server's init and main functions 3183# the server's init and main functions
2512 3184
2513sub load_facedata($) { 3185sub load_facedata($) {
2514 my ($path) = @_; 3186 my ($path) = @_;
3187
3188 # HACK to clear player env face cache, we need some signal framework
3189 # for this (global event?)
3190 %ext::player_env::MUSIC_FACE_CACHE = ();
3191
3192 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515 3193
2516 warn "loading facedata from $path\n"; 3194 warn "loading facedata from $path\n";
2517 3195
2518 my $facedata; 3196 my $facedata;
2519 0 < aio_load $path, $facedata 3197 0 < aio_load $path, $facedata
… …
2522 $facedata = Coro::Storable::thaw $facedata; 3200 $facedata = Coro::Storable::thaw $facedata;
2523 3201
2524 $facedata->{version} == 2 3202 $facedata->{version} == 2
2525 or cf::cleanup "$path: version mismatch, cannot proceed."; 3203 or cf::cleanup "$path: version mismatch, cannot proceed.";
2526 3204
3205 # patch in the exptable
3206 $facedata->{resource}{"res/exp_table"} = {
3207 type => FT_RSRC,
3208 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3209 };
3210 cf::cede_to_tick;
3211
2527 { 3212 {
2528 my $faces = $facedata->{faceinfo}; 3213 my $faces = $facedata->{faceinfo};
2529 3214
2530 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
2531 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3216 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3217
2532 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3218 cf::face::set_visibility $idx, $info->{visibility};
3219 cf::face::set_magicmap $idx, $info->{magicmap};
2533 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3220 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3221 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535 Coro::cede; 3222
3223 cf::cede_to_tick;
2536 } 3224 }
2537 3225
2538 while (my ($face, $info) = each %$faces) { 3226 while (my ($face, $info) = each %$faces) {
2539 next unless $info->{smooth}; 3227 next unless $info->{smooth};
3228
2540 my $idx = cf::face::find $face 3229 my $idx = cf::face::find $face
2541 or next; 3230 or next;
3231
2542 if (my $smooth = cf::face::find $info->{smooth}) { 3232 if (my $smooth = cf::face::find $info->{smooth}) {
3233 cf::face::set_smooth $idx, $smooth;
2543 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3234 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544 } else { 3235 } else {
2545 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3236 warn "smooth face '$info->{smooth}' not found for face '$face'";
2546 } 3237 }
2547 Coro::cede; 3238
3239 cf::cede_to_tick;
2548 } 3240 }
2549 } 3241 }
2550 3242
2551 { 3243 {
2552 my $anims = $facedata->{animinfo}; 3244 my $anims = $facedata->{animinfo};
2553 3245
2554 while (my ($anim, $info) = each %$anims) { 3246 while (my ($anim, $info) = each %$anims) {
2555 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3247 cf::anim::set $anim, $info->{frames}, $info->{facings};
2556 Coro::cede; 3248 cf::cede_to_tick;
2557 } 3249 }
2558 3250
2559 cf::anim::invalidate_all; # d'oh 3251 cf::anim::invalidate_all; # d'oh
2560 } 3252 }
2561 3253
3254 {
3255 # TODO: for gcfclient pleasure, we should give resources
3256 # that gcfclient doesn't grok a >10000 face index.
3257 my $res = $facedata->{resource};
3258
3259 while (my ($name, $info) = each %$res) {
3260 if (defined $info->{type}) {
3261 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3262 my $data;
3263
3264 if ($info->{type} & 1) {
3265 # prepend meta info
3266
3267 my $meta = $enc->encode ({
3268 name => $name,
3269 %{ $info->{meta} || {} },
3270 });
3271
3272 $data = pack "(w/a*)*", $meta, $info->{data};
3273 } else {
3274 $data = $info->{data};
3275 }
3276
3277 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3278 cf::face::set_type $idx, $info->{type};
3279 } else {
3280 $RESOURCE{$name} = $info;
3281 }
3282
3283 cf::cede_to_tick;
3284 }
3285 }
3286
3287 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3288
2562 1 3289 1
2563} 3290}
2564 3291
3292cf::global->attach (on_resource_update => sub {
3293 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3294 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3295
3296 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3297 my $sound = $soundconf->{compat}[$_]
3298 or next;
3299
3300 my $face = cf::face::find "sound/$sound->[1]";
3301 cf::sound::set $sound->[0] => $face;
3302 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3303 }
3304
3305 while (my ($k, $v) = each %{$soundconf->{event}}) {
3306 my $face = cf::face::find "sound/$v";
3307 cf::sound::set $k => $face;
3308 }
3309 }
3310});
3311
3312register_exticmd fx_want => sub {
3313 my ($ns, $want) = @_;
3314
3315 while (my ($k, $v) = each %$want) {
3316 $ns->fx_want ($k, $v);
3317 }
3318};
3319
3320sub load_resource_file($) {
3321 my $guard = lock_acquire "load_resource_file";
3322
3323 my $status = load_resource_file_ $_[0];
3324 get_slot 0.1, 100;
3325 cf::arch::commit_load;
3326
3327 $status
3328}
3329
2565sub reload_regions { 3330sub reload_regions {
3331 # HACK to clear player env face cache, we need some signal framework
3332 # for this (global event?)
3333 %ext::player_env::MUSIC_FACE_CACHE = ();
3334
2566 load_resource_file "$MAPDIR/regions" 3335 load_resource_file "$MAPDIR/regions"
2567 or die "unable to load regions file\n"; 3336 or die "unable to load regions file\n";
3337
3338 for (cf::region::list) {
3339 $_->{match} = qr/$_->{match}/
3340 if exists $_->{match};
3341 }
2568} 3342}
2569 3343
2570sub reload_facedata { 3344sub reload_facedata {
2571 load_facedata "$DATADIR/facedata" 3345 load_facedata "$DATADIR/facedata"
2572 or die "unable to load facedata\n"; 3346 or die "unable to load facedata\n";
… …
2583} 3357}
2584 3358
2585sub reload_resources { 3359sub reload_resources {
2586 warn "reloading resource files...\n"; 3360 warn "reloading resource files...\n";
2587 3361
2588 reload_regions;
2589 reload_facedata; 3362 reload_facedata;
2590 reload_archetypes; 3363 reload_archetypes;
3364 reload_regions;
2591 reload_treasures; 3365 reload_treasures;
2592 3366
2593 warn "finished reloading resource files\n"; 3367 warn "finished reloading resource files\n";
2594} 3368}
2595 3369
2596sub init { 3370sub reload_config {
2597 reload_resources;
2598}
2599
2600sub cfg_load {
2601 open my $fh, "<:utf8", "$CONFDIR/config" 3371 open my $fh, "<:utf8", "$CONFDIR/config"
2602 or return; 3372 or return;
2603 3373
2604 local $/; 3374 local $/;
2605 *CFG = YAML::Syck::Load <$fh>; 3375 *CFG = YAML::Load <$fh>;
2606 3376
2607 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3377 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608 3378
2609 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3379 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3380 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2616 }; 3386 };
2617 warn $@ if $@; 3387 warn $@ if $@;
2618 } 3388 }
2619} 3389}
2620 3390
3391sub pidfile() {
3392 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3393 or die "$PIDFILE: $!";
3394 flock $fh, &Fcntl::LOCK_EX
3395 or die "$PIDFILE: flock: $!";
3396 $fh
3397}
3398
3399# make sure only one server instance is running at any one time
3400sub atomic {
3401 my $fh = pidfile;
3402
3403 my $pid = <$fh>;
3404 kill 9, $pid if $pid > 0;
3405
3406 seek $fh, 0, 0;
3407 print $fh $$;
3408}
3409
3410sub main_loop {
3411 warn "EV::loop starting\n";
3412 if (1) {
3413 EV::loop;
3414 }
3415 warn "EV::loop returned\n";
3416 goto &main_loop unless $REALLY_UNLOOP;
3417}
3418
2621sub main { 3419sub main {
3420 cf::init_globals; # initialise logging
3421
3422 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3423 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3424 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3425 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3426
3427 cf::init_experience;
3428 cf::init_anim;
3429 cf::init_attackmess;
3430 cf::init_dynamic;
3431
3432 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3433
2622 # we must not ever block the main coroutine 3434 # we must not ever block the main coroutine
2623 local $Coro::idle = sub { 3435 local $Coro::idle = sub {
2624 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3436 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625 (async { 3437 (async {
2626 Event::one_event; 3438 $Coro::current->{desc} = "IDLE BUG HANDLER";
3439 EV::loop EV::LOOP_ONESHOT;
2627 })->prio (Coro::PRIO_MAX); 3440 })->prio (Coro::PRIO_MAX);
2628 }; 3441 };
2629 3442
2630 cfg_load; 3443 evthread_start IO::AIO::poll_fileno;
3444
3445 cf::sync_job {
3446 reload_resources;
3447 reload_config;
2631 db_init; 3448 db_init;
3449
3450 cf::load_settings;
3451 cf::load_materials;
3452 cf::init_uuid;
3453 cf::init_signals;
3454 cf::init_commands;
3455 cf::init_skills;
3456
3457 cf::init_beforeplay;
3458
3459 atomic;
3460
2632 load_extensions; 3461 load_extensions;
2633 3462
2634 $TICK_WATCHER->start; 3463 utime time, time, $RUNTIMEFILE;
2635 Event::loop; 3464
3465 # no (long-running) fork's whatsoever before this point(!)
3466 use POSIX ();
3467 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3468
3469 (pop @POST_INIT)->(0) while @POST_INIT;
3470 };
3471
3472 main_loop;
2636} 3473}
2637 3474
2638############################################################################# 3475#############################################################################
2639# initialisation and cleanup 3476# initialisation and cleanup
2640 3477
2641# install some emergency cleanup handlers 3478# install some emergency cleanup handlers
2642BEGIN { 3479BEGIN {
3480 our %SIGWATCHER = ();
2643 for my $signal (qw(INT HUP TERM)) { 3481 for my $signal (qw(INT HUP TERM)) {
2644 Event->signal ( 3482 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2645 reentrant => 0,
2646 data => WF_AUTOCANCEL,
2647 signal => $signal,
2648 prio => 0,
2649 cb => sub {
2650 cf::cleanup "SIG$signal"; 3483 cf::cleanup "SIG$signal";
2651 },
2652 ); 3484 };
3485 }
3486}
3487
3488sub write_runtime_sync {
3489 # first touch the runtime file to show we are still running:
3490 # the fsync below can take a very very long time.
3491
3492 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3493
3494 my $guard = cf::lock_acquire "write_runtime";
3495
3496 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3497 or return;
3498
3499 my $value = $cf::RUNTIME + 90 + 10;
3500 # 10 is the runtime save interval, for a monotonic clock
3501 # 60 allows for the watchdog to kill the server.
3502
3503 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3504 and return;
3505
3506 # always fsync - this file is important
3507 aio_fsync $fh
3508 and return;
3509
3510 # touch it again to show we are up-to-date
3511 aio_utime $fh, undef, undef;
3512
3513 close $fh
3514 or return;
3515
3516 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3517 and return;
3518
3519 warn "runtime file written.\n";
3520
2653 } 3521 1
3522}
3523
3524our $uuid_lock;
3525our $uuid_skip;
3526
3527sub write_uuid_sync($) {
3528 $uuid_skip ||= $_[0];
3529
3530 return if $uuid_lock;
3531 local $uuid_lock = 1;
3532
3533 my $uuid = "$LOCALDIR/uuid";
3534
3535 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3536 or return;
3537
3538 my $value = uuid_seq uuid_cur;
3539
3540 unless ($value) {
3541 warn "cowardly refusing to write zero uuid value!\n";
3542 return;
3543 }
3544
3545 my $value = uuid_str $value + $uuid_skip;
3546 $uuid_skip = 0;
3547
3548 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3549 and return;
3550
3551 # always fsync - this file is important
3552 aio_fsync $fh
3553 and return;
3554
3555 close $fh
3556 or return;
3557
3558 aio_rename "$uuid~", $uuid
3559 and return;
3560
3561 warn "uuid file written ($value).\n";
3562
3563 1
3564
3565}
3566
3567sub write_uuid($$) {
3568 my ($skip, $sync) = @_;
3569
3570 $sync ? write_uuid_sync $skip
3571 : async { write_uuid_sync $skip };
2654} 3572}
2655 3573
2656sub emergency_save() { 3574sub emergency_save() {
2657 my $freeze_guard = cf::freeze_mainloop; 3575 my $freeze_guard = cf::freeze_mainloop;
2658 3576
2659 warn "enter emergency perl save\n"; 3577 warn "emergency_perl_save: enter\n";
2660 3578
2661 cf::sync_job { 3579 cf::sync_job {
3580 # this is a trade-off: we want to be very quick here, so
3581 # save all maps without fsync, and later call a global sync
3582 # (which in turn might be very very slow)
3583 local $USE_FSYNC = 0;
3584
2662 # use a peculiar iteration method to avoid tripping on perl 3585 # use a peculiar iteration method to avoid tripping on perl
2663 # refcount bugs in for. also avoids problems with players 3586 # refcount bugs in for. also avoids problems with players
2664 # and maps saved/destroyed asynchronously. 3587 # and maps saved/destroyed asynchronously.
2665 warn "begin emergency player save\n"; 3588 warn "emergency_perl_save: begin player save\n";
2666 for my $login (keys %cf::PLAYER) { 3589 for my $login (keys %cf::PLAYER) {
2667 my $pl = $cf::PLAYER{$login} or next; 3590 my $pl = $cf::PLAYER{$login} or next;
2668 $pl->valid or next; 3591 $pl->valid or next;
3592 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669 $pl->save; 3593 $pl->save;
2670 } 3594 }
2671 warn "end emergency player save\n"; 3595 warn "emergency_perl_save: end player save\n";
2672 3596
2673 warn "begin emergency map save\n"; 3597 warn "emergency_perl_save: begin map save\n";
2674 for my $path (keys %cf::MAP) { 3598 for my $path (keys %cf::MAP) {
2675 my $map = $cf::MAP{$path} or next; 3599 my $map = $cf::MAP{$path} or next;
2676 $map->valid or next; 3600 $map->valid or next;
2677 $map->save; 3601 $map->save;
2678 } 3602 }
2679 warn "end emergency map save\n"; 3603 warn "emergency_perl_save: end map save\n";
2680 3604
2681 warn "begin emergency database checkpoint\n"; 3605 warn "emergency_perl_save: begin database checkpoint\n";
2682 BDB::db_env_txn_checkpoint $DB_ENV; 3606 BDB::db_env_txn_checkpoint $DB_ENV;
2683 warn "end emergency database checkpoint\n"; 3607 warn "emergency_perl_save: end database checkpoint\n";
3608
3609 warn "emergency_perl_save: begin write uuid\n";
3610 write_uuid_sync 1;
3611 warn "emergency_perl_save: end write uuid\n";
2684 }; 3612 };
2685 3613
3614 warn "emergency_perl_save: starting sync()\n";
3615 IO::AIO::aio_sync sub {
3616 warn "emergency_perl_save: finished sync()\n";
3617 };
3618
2686 warn "leave emergency perl save\n"; 3619 warn "emergency_perl_save: leave\n";
2687} 3620}
2688 3621
2689sub post_cleanup { 3622sub post_cleanup {
2690 my ($make_core) = @_; 3623 my ($make_core) = @_;
2691 3624
2692 warn Carp::longmess "post_cleanup backtrace" 3625 warn Carp::longmess "post_cleanup backtrace"
2693 if $make_core; 3626 if $make_core;
3627
3628 my $fh = pidfile;
3629 unlink $PIDFILE if <$fh> == $$;
3630}
3631
3632# a safer delete_package, copied from Symbol
3633sub clear_package($) {
3634 my $pkg = shift;
3635
3636 # expand to full symbol table name if needed
3637 unless ($pkg =~ /^main::.*::$/) {
3638 $pkg = "main$pkg" if $pkg =~ /^::/;
3639 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3640 $pkg .= '::' unless $pkg =~ /::$/;
3641 }
3642
3643 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3644 my $stem_symtab = *{$stem}{HASH};
3645
3646 defined $stem_symtab and exists $stem_symtab->{$leaf}
3647 or return;
3648
3649 # clear all symbols
3650 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3651 for my $name (keys %$leaf_symtab) {
3652 _gv_clear *{"$pkg$name"};
3653# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3654 }
3655 warn "cleared package $pkg\n";#d#
2694} 3656}
2695 3657
2696sub do_reload_perl() { 3658sub do_reload_perl() {
2697 # can/must only be called in main 3659 # can/must only be called in main
2698 if ($Coro::current != $Coro::main) { 3660 if ($Coro::current != $Coro::main) {
2699 warn "can only reload from main coroutine"; 3661 warn "can only reload from main coroutine";
2700 return; 3662 return;
2701 } 3663 }
2702 3664
3665 return if $RELOAD++;
3666
3667 my $t1 = EV::time;
3668
3669 while ($RELOAD) {
2703 warn "reloading..."; 3670 warn "reloading...";
2704 3671
2705 warn "entering sync_job"; 3672 warn "entering sync_job";
2706 3673
2707 cf::sync_job { 3674 cf::sync_job {
2708 cf::write_runtime; # external watchdog should not bark 3675 cf::write_runtime_sync; # external watchdog should not bark
2709 cf::emergency_save; 3676 cf::emergency_save;
2710 cf::write_runtime; # external watchdog should not bark 3677 cf::write_runtime_sync; # external watchdog should not bark
2711 3678
2712 warn "syncing database to disk"; 3679 warn "syncing database to disk";
2713 BDB::db_env_txn_checkpoint $DB_ENV; 3680 BDB::db_env_txn_checkpoint $DB_ENV;
2714 3681
2715 # if anything goes wrong in here, we should simply crash as we already saved 3682 # if anything goes wrong in here, we should simply crash as we already saved
2716 3683
2717 warn "cancelling all WF_AUTOCANCEL watchers";
2718 for (Event::all_watchers) {
2719 $_->cancel if $_->data & WF_AUTOCANCEL;
2720 }
2721
2722 warn "flushing outstanding aio requests"; 3684 warn "flushing outstanding aio requests";
2723 for (;;) {
2724 BDB::flush;
2725 IO::AIO::flush;
2726 Coro::cede;
2727 last unless IO::AIO::nreqs || BDB::nreqs; 3685 while (IO::AIO::nreqs || BDB::nreqs) {
2728 warn "iterate..."; 3686 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2729 }
2730
2731 ++$RELOAD;
2732
2733 warn "cancelling all extension coros";
2734 $_->cancel for values %EXT_CORO;
2735 %EXT_CORO = ();
2736
2737 warn "removing commands";
2738 %COMMAND = ();
2739
2740 warn "removing ext commands";
2741 %EXTCMD = ();
2742
2743 warn "unloading/nuking all extensions";
2744 for my $pkg (@EXTS) {
2745 warn "... unloading $pkg";
2746
2747 if (my $cb = $pkg->can ("unload")) {
2748 eval {
2749 $cb->($pkg);
2750 1
2751 } or warn "$pkg unloaded, but with errors: $@";
2752 } 3687 }
2753 3688
2754 warn "... nuking $pkg"; 3689 warn "cancelling all extension coros";
2755 Symbol::delete_package $pkg; 3690 $_->cancel for values %EXT_CORO;
2756 } 3691 %EXT_CORO = ();
2757 3692
2758 warn "unloading all perl modules loaded from $LIBDIR"; 3693 warn "removing commands";
2759 while (my ($k, $v) = each %INC) { 3694 %COMMAND = ();
2760 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761 3695
3696 warn "removing ext/exti commands";
3697 %EXTCMD = ();
3698 %EXTICMD = ();
3699
3700 warn "unloading/nuking all extensions";
3701 for my $pkg (@EXTS) {
2762 warn "... unloading $k"; 3702 warn "... unloading $pkg";
2763 delete $INC{$k};
2764 3703
2765 $k =~ s/\.pm$//;
2766 $k =~ s/\//::/g;
2767
2768 if (my $cb = $k->can ("unload_module")) { 3704 if (my $cb = $pkg->can ("unload")) {
3705 eval {
2769 $cb->(); 3706 $cb->($pkg);
3707 1
3708 } or warn "$pkg unloaded, but with errors: $@";
3709 }
3710
3711 warn "... clearing $pkg";
3712 clear_package $pkg;
2770 } 3713 }
2771 3714
2772 Symbol::delete_package $k; 3715 warn "unloading all perl modules loaded from $LIBDIR";
3716 while (my ($k, $v) = each %INC) {
3717 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3718
3719 warn "... unloading $k";
3720 delete $INC{$k};
3721
3722 $k =~ s/\.pm$//;
3723 $k =~ s/\//::/g;
3724
3725 if (my $cb = $k->can ("unload_module")) {
3726 $cb->();
3727 }
3728
3729 clear_package $k;
2773 } 3730 }
2774 3731
2775 warn "getting rid of safe::, as good as possible"; 3732 warn "getting rid of safe::, as good as possible";
2776 Symbol::delete_package "safe::$_" 3733 clear_package "safe::$_"
2777 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3734 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778 3735
2779 warn "unloading cf.pm \"a bit\""; 3736 warn "unloading cf.pm \"a bit\"";
2780 delete $INC{"cf.pm"}; 3737 delete $INC{"cf.pm"};
2781 delete $INC{"cf/pod.pm"}; 3738 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2782 3739
2783 # don't, removes xs symbols, too, 3740 # don't, removes xs symbols, too,
2784 # and global variables created in xs 3741 # and global variables created in xs
2785 #Symbol::delete_package __PACKAGE__; 3742 #clear_package __PACKAGE__;
2786 3743
2787 warn "unload completed, starting to reload now"; 3744 warn "unload completed, starting to reload now";
2788 3745
2789 warn "reloading cf.pm"; 3746 warn "reloading cf.pm";
2790 require cf; 3747 require cf;
2791 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3748 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792 3749
2793 warn "loading config and database again"; 3750 warn "loading config and database again";
2794 cf::cfg_load; 3751 cf::reload_config;
2795 3752
2796 warn "loading extensions"; 3753 warn "loading extensions";
2797 cf::load_extensions; 3754 cf::load_extensions;
2798 3755
3756 if ($REATTACH_ON_RELOAD) {
2799 warn "reattaching attachments to objects/players"; 3757 warn "reattaching attachments to objects/players";
2800 _global_reattach; # objects, sockets 3758 _global_reattach; # objects, sockets
2801 warn "reattaching attachments to maps"; 3759 warn "reattaching attachments to maps";
2802 reattach $_ for values %MAP; 3760 reattach $_ for values %MAP;
2803 warn "reattaching attachments to players"; 3761 warn "reattaching attachments to players";
2804 reattach $_ for values %PLAYER; 3762 reattach $_ for values %PLAYER;
3763 }
2805 3764
3765 warn "running post_init jobs";
3766 (pop @POST_INIT)->(1) while @POST_INIT;
3767
2806 warn "leaving sync_job"; 3768 warn "leaving sync_job";
2807 3769
2808 1 3770 1
2809 } or do { 3771 } or do {
2810 warn $@; 3772 warn $@;
2811 warn "error while reloading, exiting."; 3773 cf::cleanup "error while reloading, exiting.";
2812 exit 1;
2813 }; 3774 };
2814 3775
2815 warn "reloaded"; 3776 warn "reloaded";
3777 --$RELOAD;
3778 }
3779
3780 $t1 = EV::time - $t1;
3781 warn "reload completed in ${t1}s\n";
2816}; 3782};
2817 3783
2818our $RELOAD_WATCHER; # used only during reload 3784our $RELOAD_WATCHER; # used only during reload
2819 3785
2820sub reload_perl() { 3786sub reload_perl() {
2821 # doing reload synchronously and two reloads happen back-to-back, 3787 # doing reload synchronously and two reloads happen back-to-back,
2822 # coro crashes during coro_state_free->destroy here. 3788 # coro crashes during coro_state_free->destroy here.
2823 3789
2824 $RELOAD_WATCHER ||= Event->timer ( 3790 $RELOAD_WATCHER ||= cf::async {
2825 reentrant => 0, 3791 Coro::AIO::aio_wait cache_extensions;
2826 after => 0, 3792
2827 data => WF_AUTOCANCEL, 3793 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2828 cb => sub {
2829 do_reload_perl; 3794 do_reload_perl;
2830 undef $RELOAD_WATCHER; 3795 undef $RELOAD_WATCHER;
2831 }, 3796 };
2832 ); 3797 };
2833} 3798}
2834 3799
2835register_command "reload" => sub { 3800register_command "reload" => sub {
2836 my ($who, $arg) = @_; 3801 my ($who, $arg) = @_;
2837 3802
2838 if ($who->flag (FLAG_WIZ)) { 3803 if ($who->flag (FLAG_WIZ)) {
2839 $who->message ("reloading server."); 3804 $who->message ("reloading server.");
3805 async {
3806 $Coro::current->{desc} = "perl_reload";
2840 async { reload_perl }; 3807 reload_perl;
3808 };
2841 } 3809 }
2842}; 3810};
2843 3811
2844unshift @INC, $LIBDIR; 3812unshift @INC, $LIBDIR;
2845 3813
… …
2847 3815
2848our @WAIT_FOR_TICK; 3816our @WAIT_FOR_TICK;
2849our @WAIT_FOR_TICK_BEGIN; 3817our @WAIT_FOR_TICK_BEGIN;
2850 3818
2851sub wait_for_tick { 3819sub wait_for_tick {
2852 return unless $TICK_WATCHER->is_active;
2853 return if $Coro::current == $Coro::main; 3820 return if tick_inhibit || $Coro::current == $Coro::main;
2854 3821
2855 my $signal = new Coro::Signal; 3822 my $signal = new Coro::Signal;
2856 push @WAIT_FOR_TICK, $signal; 3823 push @WAIT_FOR_TICK, $signal;
2857 $signal->wait; 3824 $signal->wait;
2858} 3825}
2859 3826
2860sub wait_for_tick_begin { 3827sub wait_for_tick_begin {
2861 return unless $TICK_WATCHER->is_active;
2862 return if $Coro::current == $Coro::main; 3828 return if tick_inhibit || $Coro::current == $Coro::main;
2863 3829
2864 my $signal = new Coro::Signal; 3830 my $signal = new Coro::Signal;
2865 push @WAIT_FOR_TICK_BEGIN, $signal; 3831 push @WAIT_FOR_TICK_BEGIN, $signal;
2866 $signal->wait; 3832 $signal->wait;
2867} 3833}
2868 3834
2869 my $min = 1e6;#d# 3835sub tick {
2870 my $avg = 10;
2871$TICK_WATCHER = Event->timer (
2872 reentrant => 0,
2873 parked => 1,
2874 prio => 0,
2875 at => $NEXT_TICK || $TICK,
2876 data => WF_AUTOCANCEL,
2877 cb => sub {
2878 if ($Coro::current != $Coro::main) { 3836 if ($Coro::current != $Coro::main) {
2879 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3837 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880 unless ++$bug_warning > 10; 3838 unless ++$bug_warning > 10;
2881 return; 3839 return;
2882 } 3840 }
2883 3841
2884 $NOW = $tick_start = Event::time;
2885
2886 cf::server_tick; # one server iteration 3842 cf::server_tick; # one server iteration
2887 3843
2888 0 && sync_job {#d# 3844 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 for(1..10) { 3845 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890 my $t = Event::time; 3846 Coro::async_pool {
2891 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3847 $Coro::current->{desc} = "runtime saver";
2892 or die; 3848 write_runtime_sync
2893 3849 or warn "ERROR: unable to write runtime file: $!";
2894 $map->width (50);
2895 $map->height (50);
2896 $map->alloc;
2897 $map->_load_objects ("/tmp/x.map", 1);
2898 my $t = Event::time - $t;
2899
2900 #next unless $t < 0.0013;#d#
2901 if ($t < $min) {
2902 $min = $t;
2903 }
2904 $avg = $avg * 0.99 + $t * 0.01;
2905 }
2906 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907 exit 0;
2908 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909 }; 3850 };
3851 }
2910 3852
2911 $RUNTIME += $TICK;
2912 $NEXT_TICK += $TICK;
2913
2914 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915 $NEXT_RUNTIME_WRITE = $NOW + 10;
2916 Coro::async_pool {
2917 write_runtime
2918 or warn "ERROR: unable to write runtime file: $!";
2919 };
2920 }
2921
2922# my $AFTER = Event::time;
2923# warn $AFTER - $NOW;#d#
2924
2925 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3853 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926 $sig->send; 3854 $sig->send;
2927 } 3855 }
2928 while (my $sig = shift @WAIT_FOR_TICK) { 3856 while (my $sig = shift @WAIT_FOR_TICK) {
2929 $sig->send; 3857 $sig->send;
2930 } 3858 }
2931 3859
2932 $NOW = Event::time; 3860 $LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934 # if we are delayed by four ticks or more, skip them all
2935 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937 $TICK_WATCHER->at ($NEXT_TICK);
2938 $TICK_WATCHER->start;
2939
2940 $LOAD = ($NOW - $tick_start) / $TICK;
2941 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3861 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942 3862
2943 _post_tick; 3863 if (0) {
2944 3864 if ($NEXT_TICK) {
2945 3865 my $jitter = $TICK_START - $NEXT_TICK;
3866 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3867 warn "jitter $JITTER\n";#d#
3868 }
2946 }, 3869 }
2947); 3870}
2948 3871
2949{ 3872{
2950 BDB::max_poll_time $TICK * 0.1; 3873 # configure BDB
2951 $BDB_POLL_WATCHER = Event->io ( 3874
2952 reentrant => 0,
2953 fd => BDB::poll_fileno,
2954 poll => 'r',
2955 prio => 0,
2956 data => WF_AUTOCANCEL,
2957 cb => \&BDB::poll_cb,
2958 );
2959 BDB::min_parallel 8; 3875 BDB::min_parallel 8;
2960 3876 BDB::max_poll_reqs $TICK * 0.1;
2961 BDB::set_sync_prepare { 3877 $AnyEvent::BDB::WATCHER->priority (1);
2962 my $status;
2963 my $current = $Coro::current;
2964 (
2965 sub {
2966 $status = $!;
2967 $current->ready; undef $current;
2968 },
2969 sub {
2970 Coro::schedule while defined $current;
2971 $! = $status;
2972 },
2973 )
2974 };
2975 3878
2976 unless ($DB_ENV) { 3879 unless ($DB_ENV) {
2977 $DB_ENV = BDB::db_env_create; 3880 $DB_ENV = BDB::db_env_create;
3881 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3882 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3883 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3884 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3885 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978 3886
2979 cf::sync_job { 3887 cf::sync_job {
2980 eval { 3888 eval {
2981 BDB::db_env_open 3889 BDB::db_env_open
2982 $DB_ENV, 3890 $DB_ENV,
… …
2984 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3892 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3893 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986 0666; 3894 0666;
2987 3895
2988 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3896 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991 $DB_ENV->set_lk_detect;
2992 }; 3897 };
2993 3898
2994 cf::cleanup "db_env_open(db): $@" if $@; 3899 cf::cleanup "db_env_open(db): $@" if $@;
2995 }; 3900 };
2996 } 3901 }
3902
3903 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3904 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3905 };
3906 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3907 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3908 };
3909 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3910 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3911 };
2997} 3912}
2998 3913
2999{ 3914{
3915 # configure IO::AIO
3916
3000 IO::AIO::min_parallel 8; 3917 IO::AIO::min_parallel 8;
3001
3002 undef $Coro::AIO::WATCHER;
3003 IO::AIO::max_poll_time $TICK * 0.1; 3918 IO::AIO::max_poll_time $TICK * 0.1;
3004 $AIO_POLL_WATCHER = Event->io ( 3919 undef $AnyEvent::AIO::WATCHER;
3005 reentrant => 0,
3006 data => WF_AUTOCANCEL,
3007 fd => IO::AIO::poll_fileno,
3008 poll => 'r',
3009 prio => 6,
3010 cb => \&IO::AIO::poll_cb,
3011 );
3012} 3920}
3013 3921
3014my $_log_backtrace; 3922my $_log_backtrace;
3015 3923
3016sub _log_backtrace { 3924sub _log_backtrace {
… …
3019 $msg =~ s/\n//; 3927 $msg =~ s/\n//;
3020 3928
3021 # limit the # of concurrent backtraces 3929 # limit the # of concurrent backtraces
3022 if ($_log_backtrace < 2) { 3930 if ($_log_backtrace < 2) {
3023 ++$_log_backtrace; 3931 ++$_log_backtrace;
3932 my $perl_bt = Carp::longmess $msg;
3024 async { 3933 async {
3934 $Coro::current->{desc} = "abt $msg";
3935
3025 my @bt = fork_call { 3936 my @bt = fork_call {
3026 @addr = map { sprintf "%x", $_ } @addr; 3937 @addr = map { sprintf "%x", $_ } @addr;
3027 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3938 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3939 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029 or die "addr2line: $!"; 3940 or die "addr2line: $!";
… …
3037 } 3948 }
3038 3949
3039 @funcs 3950 @funcs
3040 }; 3951 };
3041 3952
3042 LOG llevInfo, "[ABT] $msg\n"; 3953 LOG llevInfo, "[ABT] $perl_bt\n";
3954 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043 LOG llevInfo, "[ABT] $_\n" for @bt; 3955 LOG llevInfo, "[ABT] $_\n" for @bt;
3044 --$_log_backtrace; 3956 --$_log_backtrace;
3045 }; 3957 };
3046 } else { 3958 } else {
3047 LOG llevInfo, "[ABT] $msg\n"; 3959 LOG llevInfo, "[ABT] $msg\n";
3048 LOG llevInfo, "[ABT] [suppressed]\n"; 3960 LOG llevInfo, "[ABT] [suppressed]\n";
3049 } 3961 }
3050} 3962}
3051 3963
3052# load additional modules 3964# load additional modules
3053use cf::pod; 3965require "cf/$_.pm" for @EXTRA_MODULES;
3054 3966
3055END { cf::emergency_save } 3967END { cf::emergency_save }
3056 3968
30571 39691
3058 3970

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