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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 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 IO::AIO::aio_utime $runtime, undef, undef; 550=cut
401 551
402 my $guard = cf::lock_acquire "write_runtime"; 552sub fork_call(&@) {
553 my ($cb, @args) = @_;
403 554
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 555 # we seemingly have to make a local copy of the whole thing,
405 or return; 556 # otherwise perl prematurely frees the stuff :/
557 # TODO: investigate and fix (likely this will be rather laborious)
406 558
407 my $value = $cf::RUNTIME + 90 + 10; 559 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 560 reset_signals;
409 # 60 allows for the watchdog to kill the server. 561 &$cb
562 }, @args;
410 563
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 564 wantarray ? @res : $res[-1]
412 and return; 565}
413 566
414 # always fsync - this file is important 567=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 568
418 # touch it again to show we are up-to-date 569=cut
419 aio_utime $fh, undef, undef;
420 570
421 close $fh 571our %coin_alias = (
422 or return; 572 "silver" => "silvercoin",
573 "silvercoin" => "silvercoin",
574 "silvercoins" => "silvercoin",
575 "gold" => "goldcoin",
576 "goldcoin" => "goldcoin",
577 "goldcoins" => "goldcoin",
578 "platinum" => "platinacoin",
579 "platinumcoin" => "platinacoin",
580 "platinumcoins" => "platinacoin",
581 "platina" => "platinacoin",
582 "platinacoin" => "platinacoin",
583 "platinacoins" => "platinacoin",
584 "royalty" => "royalty",
585 "royalties" => "royalty",
586);
423 587
424 aio_rename "$runtime~", $runtime 588sub coin_from_name($) {
425 and return; 589 $coin_alias{$_[0]}
590 ? cf::arch::find $coin_alias{$_[0]}
591 : undef
592}
426 593
427 warn "runtime file written.\n";#d# 594=item $value = cf::db_get $family => $key
428 595
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 $!;
621 };
622 cf::cleanup "db_open(db): $@" if $@;
623
624 $db
625}
626
627our $DB;
628
629sub db_init {
630 cf::sync_job {
631 $DB ||= db_table "db";
632 };
633}
634
635sub db_get($$) {
636 my $key = "$_[0]/$_[1]";
637
638 cf::sync_job {
639 BDB::db_get $DB, undef, $key, my $data;
640
641 $! ? ()
642 : $data
429 1 643 }
644}
645
646sub db_put($$$) {
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"
430} 719}
431 720
432=item cf::datalog type => key => value, ... 721=item cf::datalog type => key => value, ...
433 722
434Log 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.
… …
446 735
447############################################################################# 736#############################################################################
448 737
449=head2 ATTACHABLE OBJECTS 738=head2 ATTACHABLE OBJECTS
450 739
451Many 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
452attach callbacks/event handlers (a collection of which is called an "attachment") 741attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 742to it. All such attachable objects support the following methods.
454 743
455In 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>
456C<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
457crossfire+). 746Deliantra).
458 747
459=over 4 748=over 4
460 749
461=item $attachable->attach ($attachment, key => $value...) 750=item $attachable->attach ($attachment, key => $value...)
462 751
… …
506=item cf::CLASS::attachment $name, ... 795=item cf::CLASS::attachment $name, ...
507 796
508Register an attachment by C<$name> through which attachable objects of the 797Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 798given CLASS can refer to this attachment.
510 799
511Some classes such as crossfire maps and objects can specify attachments 800Some classes such as deliantra maps and objects can specify attachments
512that 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.
513 802
514These calls expect any number of the following handler/hook descriptions: 803These calls expect any number of the following handler/hook descriptions:
515 804
516=over 4 805=over 4
… …
664 _attach $registry, $klass, @attach; 953 _attach $registry, $klass, @attach;
665 } 954 }
666 955
667 $obj->{$name} = \%arg; 956 $obj->{$name} = \%arg;
668 } else { 957 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 958 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 959 }
671 960
672 $obj->{_attachment}{$name} = undef; 961 $obj->{_attachment}{$name} = undef;
673} 962}
674 963
… …
714 "; 1003 ";
715 die if $@; 1004 die if $@;
716} 1005}
717 1006
718our $override; 1007our $override;
719our @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?
720 1009
721sub override { 1010sub override {
722 $override = 1; 1011 $override = 1;
723 @invoke_results = (); 1012 @INVOKE_RESULTS = (@_);
724} 1013}
725 1014
726sub do_invoke { 1015sub do_invoke {
727 my $event = shift; 1016 my $event = shift;
728 my $callbacks = shift; 1017 my $callbacks = shift;
729 1018
730 @invoke_results = (); 1019 @INVOKE_RESULTS = ();
731 1020
732 local $override; 1021 local $override;
733 1022
734 for (@$callbacks) { 1023 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1024 eval { &{$_->[1]} };
… …
744 } 1033 }
745 1034
746 0 1035 0
747} 1036}
748 1037
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1039
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1040=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1041
753Generate an object-specific event with the given arguments. 1042Generate an object-specific event with the given arguments.
754 1043
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 1046results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1047
759=back 1048=back
760 1049
761=cut 1050=cut
762 1051
763############################################################################# 1052#############################################################################
764# 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, $ob2
1095}
765 1096
766sub reattach { 1097sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1098 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1099 my ($obj) = @_;
769 1100
1101 # no longer needed after getting rid of delete_package?
770 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
771 1103
772 my $registry = $obj->registry; 1104 my $registry = $obj->registry;
773 1105
774 @$registry = (); 1106 @$registry = ();
775 1107
… …
790cf::attachable->attach ( 1122cf::attachable->attach (
791 prio => -1000000, 1123 prio => -1000000,
792 on_instantiate => sub { 1124 on_instantiate => sub {
793 my ($obj, $data) = @_; 1125 my ($obj, $data) = @_;
794 1126
795 $data = from_json $data; 1127 $data = decode_json $data;
796 1128
797 for (@$data) { 1129 for (@$data) {
798 my ($name, $args) = @$_; 1130 my ($name, $args) = @$_;
799 1131
800 $obj->attach ($name, %{$args || {} }); 1132 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1148sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1149 my ($filename, $rdata, $objs) = @_;
818 1150
819 sync_job { 1151 sync_job {
820 if (length $$rdata) { 1152 if (length $$rdata) {
1153 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1154 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
823 1156
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1158 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 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 }
828 close $fh; 1164 aio_close $fh;
829 1165
830 if (@$objs) { 1166 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1168 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
835 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 }
836 close $fh; 1175 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
838 } 1177 }
839 } else { 1178 } else {
840 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
841 } 1180 }
842 1181
843 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1186 } else {
845 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
846 } 1188 }
847 } else { 1189 } else {
848 aio_unlink $filename; 1190 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
850 } 1192 }
851 } 1193 };
852} 1194}
853 1195
854sub object_freezer_as_string { 1196sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1197 my ($rdata, $objs) = @_;
856 1198
… …
868 or return; 1210 or return;
869 1211
870 unless (aio_stat "$filename.pst") { 1212 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1213 (aio_load "$filename.pst", $av) >= 0
872 or return; 1214 or return;
1215
873 $av = eval { (Storable::thaw $av)->{objs} }; 1216 my $st = eval { Coro::Storable::thaw $av };
1217 $av = $st->{objs};
874 } 1218 }
875 1219
1220 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1221 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1222 $decname, length $data, scalar @{$av || []};
1223
878 return ($data, $av); 1224 ($data, $av)
879} 1225}
1226
1227=head2 COMMAND CALLBACKS
1228
1229=over 4
1230
1231=cut
880 1232
881############################################################################# 1233#############################################################################
882# command handling &c 1234# command handling &c
883 1235
884=item cf::register_command $name => \&callback($ob,$args); 1236=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1249 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1250}
899 1251
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1252=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1253
902Register 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.
903 1259
904If 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
905called. 1261called.
906 1262
1263=item cf::register_exticmd $name => \&callback($ns,$packet);
1264
1265Register a callback for execution when the client sends an (asynchronous)
1266exticmd packet. Exti commands are processed by the server as soon as they
1267are received, i.e. out of order w.r.t. other commands. The first argument
1268is a client socket. Exti commands can be received anytime, even before
1269log-in.
1270
1271If the callback returns something, it is sent back as if reply was being
1272called.
1273
907=cut 1274=cut
908 1275
909sub register_extcmd { 1276sub register_extcmd {
910 my ($name, $cb) = @_; 1277 my ($name, $cb) = @_;
911 1278
912 $EXTCMD{$name} = $cb; 1279 $EXTCMD{$name} = $cb;
913} 1280}
1281
1282sub register_exticmd {
1283 my ($name, $cb) = @_;
1284
1285 $EXTICMD{$name} = $cb;
1286}
1287
1288use File::Glob ();
914 1289
915cf::player->attach ( 1290cf::player->attach (
916 on_command => sub { 1291 on_command => sub {
917 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
918 1293
… …
926 cf::override; 1301 cf::override;
927 }, 1302 },
928 on_extcmd => sub { 1303 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1304 my ($pl, $buf) = @_;
930 1305
931 my $msg = eval { from_json $buf }; 1306 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1307
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1316 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1317 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1318 }
1319
1320 $pl->ext_reply ($reply, @reply)
1321 if $reply;
1322
939 } else { 1323 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1324 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1325 }
942 1326
943 cf::override; 1327 cf::override;
944 }, 1328 },
945); 1329);
946 1330
1331# "readahead" all extensions
947sub load_extension { 1332sub cache_extensions {
948 my ($path) = @_; 1333 my $grp = IO::AIO::aio_group;
949 1334
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1335 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1336 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1337 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1338 }
975 die $@;
976 } 1339 };
977 1340
978 push @EXTS, $pkg; 1341 $grp
979} 1342}
980 1343
981sub load_extensions { 1344sub load_extensions {
1345 cf::sync_job {
1346 my %todo;
1347
982 for my $ext (<$LIBDIR/*.ext>) { 1348 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1349 next unless -r $path;
984 eval { 1350
985 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 $progress = 1;
986 1 1407 }
987 } or warn "$ext not loaded: $@"; 1408
1409 skip:
1410 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1411 unless $progress;
1412 }
988 } 1413 };
989} 1414}
990 1415
991############################################################################# 1416#############################################################################
992 1417
1418=back
1419
993=head2 CORE EXTENSIONS 1420=head2 CORE EXTENSIONS
994 1421
995Functions and methods that extend core crossfire objects. 1422Functions and methods that extend core deliantra objects.
996 1423
997=cut 1424=cut
998 1425
999package cf::player; 1426package cf::player;
1000 1427
1001use Coro::AIO; 1428use Coro::AIO;
1002 1429
1003=head3 cf::player 1430=head3 cf::player
1004 1431
1005=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}
1006 1447
1007=item cf::player::find $login 1448=item cf::player::find $login
1008 1449
1009Returns the given player object, loading it if necessary (might block). 1450Returns the given player object, loading it if necessary (might block).
1010 1451
… …
1029 1470
1030sub exists($) { 1471sub exists($) {
1031 my ($login) = @_; 1472 my ($login) = @_;
1032 1473
1033 $cf::PLAYER{$login} 1474 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1475 or !aio_stat path $login
1035} 1476}
1036 1477
1037sub find($) { 1478sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1479 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1480 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1487 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1488 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1489 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1490 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1491
1051 my $pl = load_pl path $login 1492 my $f = new_from_file cf::object::thawer path $login
1052 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;
1053 $cf::PLAYER{$login} = $pl 1500 $cf::PLAYER{$login} = $pl
1054 } 1501 }
1055 } 1502 }
1056} 1503}
1057 1504
… …
1066 return if $pl->{deny_save}; 1513 return if $pl->{deny_save};
1067 1514
1068 aio_mkdir playerdir $pl, 0770; 1515 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1516 $pl->{last_save} = $cf::RUNTIME;
1070 1517
1518 cf::get_slot 0.01;
1519
1071 $pl->save_pl ($path); 1520 $pl->save_pl ($path);
1072 Coro::cede; 1521 cf::cede_to_tick;
1073} 1522}
1074 1523
1075sub new($) { 1524sub new($) {
1076 my ($login) = @_; 1525 my ($login) = @_;
1077 1526
… …
1083 $cf::PLAYER{$login} = $self; 1532 $cf::PLAYER{$login} = $self;
1084 1533
1085 $self 1534 $self
1086} 1535}
1087 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
1088=item $pl->quit_character 1547=item $pl->quit_character
1089 1548
1090Nukes the player without looking back. If logged in, the connection will 1549Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1550be destroyed. May block for a long time.
1092 1551
… …
1096 my ($pl) = @_; 1555 my ($pl) = @_;
1097 1556
1098 my $name = $pl->ob->name; 1557 my $name = $pl->ob->name;
1099 1558
1100 $pl->{deny_save} = 1; 1559 $pl->{deny_save} = 1;
1101 $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
1102 1561
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1562 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1563 $pl->deactivate;
1564 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1565 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1566 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1567 $pl->ns->destroy if $pl->ns;
1107 1568
1108 my $path = playerdir $pl; 1569 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1570 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1606 or return [];
1146 1607
1147 my @logins; 1608 my @logins;
1148 1609
1149 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1616 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1617 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1618 $buf !~ /^password -------------$/m or next; # official not-valid tag
1619 }
1153 1620
1154 utf8::decode $login; 1621 utf8::decode $login;
1155 push @logins, $login; 1622 push @logins, $login;
1156 } 1623 }
1157 1624
… …
1184 } 1651 }
1185 1652
1186 \@paths 1653 \@paths
1187} 1654}
1188 1655
1656=item $protocol_xml = $player->expand_cfpod ($cfpod)
1657
1658Expand deliantra pod fragments into protocol xml.
1659
1189=item $player->ext_reply ($msgid, %msg) 1660=item $player->ext_reply ($msgid, @msg)
1190 1661
1191Sends an ext reply to the player. 1662Sends an ext reply to the player.
1192 1663
1193=cut 1664=cut
1194 1665
1195sub ext_reply($$%) { 1666sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1667 my ($self, $id, @msg) = @_;
1197 1668
1198 $msg{msgid} = $id; 1669 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1670}
1202 1671
1203=item $player->ext_event ($type, %msg) 1672=item $player->ext_msg ($type, @msg)
1204 1673
1205Sends an ext event to the client. 1674Sends an ext event to the client.
1206 1675
1207=cut 1676=cut
1208 1677
1209sub ext_event($$%) { 1678sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1679 my ($self, $type, @msg) = @_;
1211 1680
1212 $self->ns->ext_event ($type, %msg); 1681 $self->ns->ext_msg ($type, @msg);
1213} 1682}
1214 1683
1215=head3 cf::region 1684=head3 cf::region
1216 1685
1217=over 4 1686=over 4
… …
1220 1689
1221package cf::region; 1690package cf::region;
1222 1691
1223=item cf::region::find_by_path $path 1692=item cf::region::find_by_path $path
1224 1693
1225Tries to decuce the probable region for a map knowing only its path. 1694Tries to decuce the likely region for a map knowing only its path.
1226 1695
1227=cut 1696=cut
1228 1697
1229sub find_by_path($) { 1698sub find_by_path($) {
1230 my ($path) = @_; 1699 my ($path) = @_;
1231 1700
1232 my ($match, $specificity); 1701 my ($match, $specificity);
1233 1702
1234 for my $region (list) { 1703 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1704 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1705 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1706 if $region->specificity > $specificity;
1238 } 1707 }
1239 } 1708 }
1240 1709
… …
1261our $MAX_RESET = 3600; 1730our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1731our $DEFAULT_RESET = 3000;
1263 1732
1264sub generate_random_map { 1733sub generate_random_map {
1265 my ($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
1266 # mit "rum" bekleckern, nicht 1738 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1739 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1740 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1741 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1742 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1776 my ($self, $merge) = @_;
1305 1777
1306 # we have to keep some variables in memory intact 1778 # we have to keep some variables in memory intact
1307 local $self->{path}; 1779 local $self->{path};
1308 local $self->{load_path}; 1780 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1781
1312 $self->SUPER::thawer_merge ($merge); 1782 $self->SUPER::thawer_merge ($merge);
1313} 1783}
1314 1784
1315sub normalise { 1785sub normalise {
… …
1362 $self->init; # pass $1 etc. 1832 $self->init; # pass $1 etc.
1363 return $self; 1833 return $self;
1364 } 1834 }
1365 } 1835 }
1366 1836
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1837 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1838 ()
1369} 1839}
1370 1840
1371sub init { 1841sub init {
1372 my ($self) = @_; 1842 my ($self) = @_;
… …
1394 1864
1395# the temporary/swap location 1865# the temporary/swap location
1396sub save_path { 1866sub save_path {
1397 my ($self) = @_; 1867 my ($self) = @_;
1398 1868
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1870 "$TMPDIR/$path.map"
1401} 1871}
1402 1872
1403# the unique path, undef == no special unique path 1873# the unique path, undef == no special unique path
1404sub uniq_path { 1874sub uniq_path {
1405 my ($self) = @_; 1875 my ($self) = @_;
1406 1876
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$path"
1409} 1879}
1410 1880
1411# and all this just because we cannot iterate over 1881sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1882 my ($self) = @_;
1415 1883
1416 $_->change_map_light ($change) 1884 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1885
1886 $self->do_decay_objects;
1418} 1887}
1419 1888
1420sub unlink_save { 1889sub unlink_save {
1421 my ($self) = @_; 1890 my ($self) = @_;
1422 1891
… …
1427 1896
1428sub load_header_from($) { 1897sub load_header_from($) {
1429 my ($self, $path) = @_; 1898 my ($self, $path) = @_;
1430 1899
1431 utf8::encode $path; 1900 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 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;
1437 1909
1438 $self->{load_path} = $path; 1910 $self->{load_path} = $path;
1439 1911
1440 1 1912 1
1441} 1913}
… …
1480 $self->load_header_orig 1952 $self->load_header_orig
1481 or return; 1953 or return;
1482 $self->prepare_orig; 1954 $self->prepare_orig;
1483 } 1955 }
1484 1956
1957 $self->{deny_reset} = 1
1958 if $self->no_reset;
1959
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1960 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1961 unless $self->default_region;
1487 1962
1488 1 1963 1
1489} 1964}
… …
1492sub find { 1967sub find {
1493 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1494 1969
1495 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1496 1971
1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1974
1499 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1976 my $map = new_from_path cf::map $path
1502 or return; 1977 or return;
1503 1978
1504 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1505 1980
1506 $map->load_header 1981 $map->load_header
1507 or return; 1982 or return;
1508 1983
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1984 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1985 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1986 #$cf::WAIT_FOR_TICK->wait;
1987 undef $guard2;
1988 undef $guard1;
1512 $map->reset; 1989 $map->reset;
1513 undef $guard;
1514 return find $path; 1990 return find $path;
1515 } 1991 }
1516 1992
1517 $cf::MAP{$path} = $map 1993 $cf::MAP{$path} = $map
1518 } 1994 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 2003 local $self->{deny_reset} = 1; # loading can take a long time
1528 2004
1529 my $path = $self->{path}; 2005 my $path = $self->{path};
1530 2006
1531 { 2007 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2008 my $guard = cf::lock_acquire "map_data:$path";
1533 2009
2010 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2011 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2012
1536 $self->in_memory (cf::MAP_LOADING); 2013 $self->in_memory (cf::MAP_LOADING);
1537 2014
1538 $self->alloc; 2015 $self->alloc;
1539 2016
1540 $self->pre_load; 2017 $self->pre_load;
1541 Coro::cede; 2018 cf::cede_to_tick;
1542 2019
2020 my $f = new_from_file cf::object::thawer $self->{load_path};
2021 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2022 $self->_load_objects ($f)
1544 or return; 2023 or return;
1545 2024
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2025 $self->post_load_original
1547 if delete $self->{load_original}; 2026 if delete $self->{load_original};
1548 2027
1549 if (my $uniq = $self->uniq_path) { 2028 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2029 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2030 unless (aio_stat $uniq) {
2031 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2032 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2033 $self->_load_objects ($f);
2034 $f->resolve_delayed_derefs;
2035 }
1554 } 2036 }
1555 } 2037 }
1556 2038
1557 Coro::cede; 2039 $f->resolve_delayed_derefs;
2040
2041 cf::cede_to_tick;
1558 # now do the right thing for maps 2042 # now do the right thing for maps
1559 $self->link_multipart_objects; 2043 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2044 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2045 unless $self->difficulty;
1562 Coro::cede; 2046 cf::cede_to_tick;
1563 2047
1564 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2049 $self->decay_objects;
1566 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
1567 $self->update_buttons; 2051 $self->update_buttons;
1568 Coro::cede; 2052 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2053 $self->activate;
1572 } 2054 }
1573 2055
2056 $self->{last_save} = $cf::RUNTIME;
2057 $self->last_access ($cf::RUNTIME);
2058
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2059 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2060 }
1576 2061
1577 $self->post_load; 2062 $self->post_load;
1578} 2063}
1579 2064
… …
1581 my ($self, $ob) = @_; 2066 my ($self, $ob) = @_;
1582 2067
1583 return find "~" . $ob->name . "/" . $self->{path} 2068 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2069 if $self->per_player;
1585 2070
2071# return find "?party/" . $ob->name . "/" . $self->{path}
2072# if $self->per_party;
2073
1586 $self 2074 $self
1587} 2075}
1588 2076
1589# find and load all maps in the 3x3 area around a map 2077# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2078sub load_neighbours {
1591 my ($map) = @_; 2079 my ($map) = @_;
1592 2080
1593 my @diag; # diagonal neighbours 2081 my @neigh; # diagonal neighbours
1594 2082
1595 for (0 .. 3) { 2083 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2084 my $neigh = $map->tile_path ($_)
1597 or next; 2085 or next;
1598 $neigh = find $neigh, $map 2086 $neigh = find $neigh, $map
1599 or next; 2087 or next;
1600 $neigh->load; 2088 $neigh->load;
1601 2089
2090 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2091 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2092 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2093 }
1605 2094
1606 for (@diag) { 2095 for (grep defined $_->[0], @neigh) {
2096 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2097 my $neigh = find $path, $origin
1608 or next; 2098 or next;
1609 $neigh->load; 2099 $neigh->load;
1610 } 2100 }
1611} 2101}
1612 2102
… …
1617} 2107}
1618 2108
1619sub do_load_sync { 2109sub do_load_sync {
1620 my ($map) = @_; 2110 my ($map) = @_;
1621 2111
2112 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2113 if $Coro::current == $Coro::main;
2114
1622 cf::sync_job { $map->load }; 2115 cf::sync_job { $map->load };
1623} 2116}
1624 2117
1625our %MAP_PREFETCH; 2118our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2119our $MAP_PREFETCHER = undef;
1627 2120
1628sub find_async { 2121sub find_async {
1629 my ($path, $origin) = @_; 2122 my ($path, $origin, $load) = @_;
1630 2123
1631 $path = normalise $path, $origin && $origin->{path}; 2124 $path = normalise $path, $origin && $origin->{path};
1632 2125
1633 if (my $map = $cf::MAP{$path}) { 2126 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2127 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2128 }
1636 2129
1637 undef $MAP_PREFETCH{$path}; 2130 $MAP_PREFETCH{$path} |= $load;
2131
1638 $MAP_PREFETCHER ||= cf::async { 2132 $MAP_PREFETCHER ||= cf::async {
2133 $Coro::current->{desc} = "map prefetcher";
2134
1639 while (%MAP_PREFETCH) { 2135 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2136 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2137 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2138 $map->load if $v;
2139 }
1644 2140
1645 delete $MAP_PREFETCH{$path}; 2141 delete $MAP_PREFETCH{$k};
1646 } 2142 }
1647 } 2143 }
1648 undef $MAP_PREFETCHER; 2144 undef $MAP_PREFETCHER;
1649 }; 2145 };
1650 $MAP_PREFETCHER->prio (6); 2146 $MAP_PREFETCHER->prio (6);
… …
1653} 2149}
1654 2150
1655sub save { 2151sub save {
1656 my ($self) = @_; 2152 my ($self) = @_;
1657 2153
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2154 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2155
1660 $self->{last_save} = $cf::RUNTIME; 2156 $self->{last_save} = $cf::RUNTIME;
1661 2157
1662 return unless $self->dirty; 2158 return unless $self->dirty;
1663 2159
… …
1669 return if $self->{deny_save}; 2165 return if $self->{deny_save};
1670 2166
1671 local $self->{last_access} = $self->last_access;#d# 2167 local $self->{last_access} = $self->last_access;#d#
1672 2168
1673 cf::async { 2169 cf::async {
2170 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2171 $_->contr->save for $self->players;
1675 }; 2172 };
2173
2174 cf::get_slot 0.02;
1676 2175
1677 if ($uniq) { 2176 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2177 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2178 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2179 } else {
… …
1686 my ($self) = @_; 2185 my ($self) = @_;
1687 2186
1688 # save first because save cedes 2187 # save first because save cedes
1689 $self->save; 2188 $self->save;
1690 2189
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2190 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2191
1693 return if $self->players; 2192 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2193 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2194 return if $self->{deny_save};
1696 2195
2196 $self->in_memory (cf::MAP_SWAPPED);
2197
2198 $self->deactivate;
2199 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2200 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2201}
1700 2202
1701sub reset_at { 2203sub reset_at {
1702 my ($self) = @_; 2204 my ($self) = @_;
1703 2205
1704 # TODO: safety, remove and allow resettable per-player maps 2206 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2207 return 1e99 if $self->{deny_reset};
1707 2208
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2209 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2210 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2211
… …
1721 my ($self) = @_; 2222 my ($self) = @_;
1722 2223
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2225
1725 return if $self->players; 2226 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2227
1728 warn "resetting map ", $self->path;#d# 2228 warn "resetting map ", $self->path;
1729 2229
1730 $self->in_memory (cf::MAP_SWAPPED); 2230 $self->in_memory (cf::MAP_SWAPPED);
1731 2231
1732 # need to save uniques path 2232 # need to save uniques path
1733 unless ($self->{deny_save}) { 2233 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2237 if $uniq;
1738 } 2238 }
1739 2239
1740 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1741 2241
2242 $self->deactivate;
2243 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2244 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2245
1746 $self->unlink_save; 2246 $self->unlink_save;
1747 $self->destroy; 2247 $self->destroy;
1748} 2248}
1749 2249
1750my $nuke_counter = "aaaa"; 2250my $nuke_counter = "aaaa";
1751 2251
1752sub nuke { 2252sub nuke {
1753 my ($self) = @_; 2253 my ($self) = @_;
1754 2254
2255 {
2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
2257
1755 delete $cf::MAP{$self->path}; 2258 delete $cf::MAP{$self->path};
1756 2259
1757 $self->unlink_save; 2260 $self->unlink_save;
1758 2261
1759 bless $self, "cf::map"; 2262 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2263 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2264 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2265 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2266 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2267
1765 $cf::MAP{$self->path} = $self; 2268 $cf::MAP{$self->path} = $self;
2269 }
1766 2270
1767 $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 ]
1768} 2308}
1769 2309
1770=item cf::map::unique_maps 2310=item cf::map::unique_maps
1771 2311
1772Returns an arrayref of paths of all shared maps that have 2312Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2313instantiated unique items. May block.
1774 2314
1775=cut 2315=cut
1776 2316
1777sub unique_maps() { 2317sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2318 [
1779 or return; 2319 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2320 utf8::decode $_;
1785 next if /\.pst$/; 2321 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2322 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2323 ? ()
1788 push @paths, cf::map::normalise $_; 2324 : normalise $_
2325 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2326 ]
1790
1791 \@paths
1792} 2327}
1793
1794package cf;
1795 2328
1796=back 2329=back
1797 2330
1798=head3 cf::object 2331=head3 cf::object
1799 2332
… …
1803 2336
1804=over 4 2337=over 4
1805 2338
1806=item $ob->inv_recursive 2339=item $ob->inv_recursive
1807 2340
1808Returns 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.
1809 2343
1810=cut 2344=cut
1811 2345
1812sub inv_recursive_; 2346sub inv_recursive_;
1813sub inv_recursive_ { 2347sub inv_recursive_ {
… …
1816 2350
1817sub inv_recursive { 2351sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2352 inv_recursive_ inv $_[0]
1819} 2353}
1820 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
1821package cf; 2383package cf;
1822 2384
1823=back 2385=back
1824 2386
1825=head3 cf::object::player 2387=head3 cf::object::player
… …
1831Sends 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>
1832can 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
1833dialogue with the given NPC character. 2395dialogue with the given NPC character.
1834 2396
1835=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};
1836 2412
1837# rough implementation of a future "reply" method that works 2413# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2414# with dialog boxes.
1839#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
1840sub cf::object::player::reply($$$;$) { 2416sub cf::object::player::reply($$$;$) {
… …
1842 2418
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2419 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2420
1845 if ($self->{record_replies}) { 2421 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2422 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2423
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2432 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2433 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2434 }
1850 } 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 (@_);
1851} 2446}
1852 2447
1853=item $player_object->may ("access") 2448=item $player_object->may ("access")
1854 2449
1855Returns wether the given player is authorized to access resource "access" 2450Returns wether the given player is authorized to access resource "access"
… …
1868 2463
1869=item $player_object->enter_link 2464=item $player_object->enter_link
1870 2465
1871Freezes 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}>).
1872 2467
1873The 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.
1874I<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.
1875 2472
1876Will never block. 2473Will never block.
1877 2474
1878=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
1879 2476
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2531 # use -1 or undef as default coordinates, not 0, 0
1935 ($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
2543 # only activate afterwards, to support waiting in hooks
2544 $self->activate_recursive;
2545}
2546
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2547=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2548
1950Moves 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
1951her, loading and preparing them map, calling the provided $check callback 2550her, loading and preparing them map, calling the provided $check callback
1952that 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
1953the 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.
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 >>.
1954 2557
1955=cut 2558=cut
1956 2559
1957our $GOTOGEN; 2560our $GOTOGEN;
1958 2561
1959sub cf::object::player::goto { 2562sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2563 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2564
1962 # do generation counting so two concurrent goto's will be executed in-order 2565 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2566 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2567
1965 $self->enter_link; 2568 $self->enter_link;
1966 2569
1967 (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
1968 my $map = eval { 2592 my $map = eval {
1969 my $map = cf::map::find $path; 2593 my $map = defined $path ? cf::map::find $path : undef;
1970 2594
1971 if ($map) { 2595 if ($map) {
1972 $map = $map->customise_for ($self); 2596 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2597 $map = $check->($map) if $check && $map;
1974 } else { 2598 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2599 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2600 }
1977 2601
1978 $map 2602 $map
1979 }; 2603 };
1980 2604
… …
1985 2609
1986 if ($gen == $self->{_goto_generation}) { 2610 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2611 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2612 $self->leave_link ($map, $x, $y);
1989 } 2613 }
2614
2615 $done->() if $done;
1990 })->prio (1); 2616 })->prio (1);
1991} 2617}
1992 2618
1993=item $player_object->enter_exit ($exit_object) 2619=item $player_object->enter_exit ($exit_object)
1994 2620
… …
2014} 2640}
2015 2641
2016sub prepare_random_map { 2642sub prepare_random_map {
2017 my ($exit) = @_; 2643 my ($exit) = @_;
2018 2644
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2645 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2646 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2647 # that depends on the exit object
2024 2648
2025 my $rmp = parse_random_map_params $exit->msg; 2649 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2651 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2652 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2653 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2654 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2655 $rmp->{origin_y} = $exit->y;
2656
2657 $exit->map->touch;
2032 } 2658 }
2033 2659
2034 $rmp->{random_seed} ||= $exit->random_seed; 2660 $rmp->{random_seed} ||= $exit->random_seed;
2035 2661
2036 my $data = cf::to_json $rmp; 2662 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2663 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2664 my $meta = "$RANDOMDIR/$md5.meta";
2039 2665
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2666 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2667 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2668 undef $fh;
2043 aio_rename "$meta~", $meta; 2669 aio_rename "$meta~", $meta;
2044 2670
2671 my $slaying = "?random/$md5";
2672
2673 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2674 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2675 $exit->msg (undef);
2676 }
2047 } 2677 }
2048} 2678}
2049 2679
2050sub cf::object::player::enter_exit { 2680sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2681 my ($self, $exit) = @_;
2052 2682
2053 return unless $self->type == cf::PLAYER; 2683 return unless $self->type == cf::PLAYER;
2054 2684
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2685 $self->enter_link;
2067 2686
2068 (async { 2687 (async {
2069 $self->deactivate_recursive; # just to be sure 2688 $Coro::current->{desc} = "enter_exit";
2689
2070 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
2071 $self->goto ($slaying, $hp, $sp); 2705 $self->goto ($map, $x, $y);
2072 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
2073 1; 2711 1
2074 }) { 2712 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "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. "
2077 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2717
2080 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
… …
2099 2737
2100 utf8::encode $text; 2738 utf8::encode $text;
2101 $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);
2102} 2740}
2103 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
2104=item $client->ext_event ($type, %msg) 2902=item $client->ext_msg ($type, @msg)
2105 2903
2106Sends an exti event to the client. 2904Sends an ext event to the client.
2107 2905
2108=cut 2906=cut
2109 2907
2110sub cf::client::ext_event($$%) { 2908sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2909 my ($self, $type, @msg) = @_;
2112 2910
2911 if ($self->extcmd == 2) {
2912 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2914 push @msg, msgtype => "event_$type";
2114 $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 }
2115} 2935}
2116 2936
2117=item $success = $client->query ($flags, "text", \&cb) 2937=item $success = $client->query ($flags, "text", \&cb)
2118 2938
2119Queues a query to the client, calling the given callback with 2939Queues a query to the client, calling the given callback with
2120the 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>,
2121C<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>.
2122 2942
2123Queries 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
2124reliable at some point in the future. 2944become reliable at some point in the future.
2125 2945
2126=cut 2946=cut
2127 2947
2128sub cf::client::query { 2948sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2949 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 2957 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2958 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2959
2140 $self->send_packet ($self->{query_queue}[0][0]) 2960 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2961 if @{ $self->{query_queue} } == 1;
2962
2963 1
2142} 2964}
2143 2965
2144cf::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 },
2145 on_reply => sub { 2972 on_reply => sub {
2146 my ($ns, $msg) = @_; 2973 my ($ns, $msg) = @_;
2147 2974
2148 # this weird shuffling is so that direct followup queries 2975 # this weird shuffling is so that direct followup queries
2149 # get handled first 2976 # get handled first
… …
2161 } else { 2988 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2989 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2990 }
2164 } 2991 }
2165 }, 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 },
2166); 3019);
2167 3020
2168=item $client->async (\&cb) 3021=item $client->async (\&cb)
2169 3022
2170Create a new coroutine, running the specified callback. The coroutine will 3023Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3064our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3065our $safe_hole = new Safe::Hole;
2213 3066
2214$SIG{FPE} = 'IGNORE'; 3067$SIG{FPE} = 'IGNORE';
2215 3068
2216$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));
2217 3074
2218# here we export the classes and methods available to script code 3075# here we export the classes and methods available to script code
2219 3076
2220=pod 3077=pod
2221 3078
2222The following functions and methods are available within a safe environment: 3079The following functions and methods are available within a safe environment:
2223 3080
2224 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
2225 cf::object::player player 3086 cf::object::player
2226 cf::player peaceful 3087 player
2227 cf::map trigger 3088
3089 cf::player
3090 peaceful
3091
3092 cf::map
3093 trigger
2228 3094
2229=cut 3095=cut
2230 3096
2231for ( 3097for (
2232 ["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)],
2233 ["cf::object::player" => qw(player)], 3101 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3102 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3103 ["cf::map" => qw(trigger)],
2236) { 3104) {
2237 no strict 'refs'; 3105 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3106 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3107 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2256 my ($code, %vars) = @_; 3124 my ($code, %vars) = @_;
2257 3125
2258 my $qcode = $code; 3126 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3127 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3128 $qcode =~ s/\n/\\n/g;
3129
3130 %vars = (_dummy => 0) unless %vars;
2261 3131
2262 local $_; 3132 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars; 3133 local @safe::cf::_safe_eval_args = values %vars;
2264 3134
2265 my $eval = 3135 my $eval =
… …
2308=back 3178=back
2309 3179
2310=cut 3180=cut
2311 3181
2312############################################################################# 3182#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3183# the server's init and main functions
2486 3184
2487sub load_facedata($) { 3185sub load_facedata($) {
2488 my ($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;
2489 3193
2490 warn "loading facedata from $path\n"; 3194 warn "loading facedata from $path\n";
2491 3195
2492 my $facedata; 3196 my $facedata;
2493 0 < aio_load $path, $facedata 3197 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3200 $facedata = Coro::Storable::thaw $facedata;
2497 3201
2498 $facedata->{version} == 2 3202 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3203 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 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
2501 { 3212 {
2502 my $faces = $facedata->{faceinfo}; 3213 my $faces = $facedata->{faceinfo};
2503 3214
2504 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3216 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3217
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3218 cf::face::set_visibility $idx, $info->{visibility};
3219 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3220 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3221 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3222
3223 cf::cede_to_tick;
2510 } 3224 }
2511 3225
2512 while (my ($face, $info) = each %$faces) { 3226 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3227 next unless $info->{smooth};
3228
2514 my $idx = cf::face::find $face 3229 my $idx = cf::face::find $face
2515 or next; 3230 or next;
3231
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3232 if (my $smooth = cf::face::find $info->{smooth}) {
3233 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3234 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3235 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3236 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3237 }
2521 Coro::cede; 3238
3239 cf::cede_to_tick;
2522 } 3240 }
2523 } 3241 }
2524 3242
2525 { 3243 {
2526 my $anims = $facedata->{animinfo}; 3244 my $anims = $facedata->{animinfo};
2527 3245
2528 while (my ($anim, $info) = each %$anims) { 3246 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3247 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3248 cf::cede_to_tick;
2531 } 3249 }
2532 3250
2533 cf::anim::invalidate_all; # d'oh 3251 cf::anim::invalidate_all; # d'oh
2534 } 3252 }
2535 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
2536 1 3289 1
2537} 3290}
2538 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 $status
3328}
3329
2539sub reload_regions { 3330sub reload_regions {
3331 # HACK to clear player env face cache, we need some signal framework
3332 # for this (global event?)
3333 %ext::player_env::MUSIC_FACE_CACHE = ();
3334
2540 load_resource_file "$MAPDIR/regions" 3335 load_resource_file "$MAPDIR/regions"
2541 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 $_->{match};
3341 }
2542} 3342}
2543 3343
2544sub reload_facedata { 3344sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3345 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3346 or die "unable to load facedata\n";
… …
2557} 3357}
2558 3358
2559sub reload_resources { 3359sub reload_resources {
2560 warn "reloading resource files...\n"; 3360 warn "reloading resource files...\n";
2561 3361
2562 reload_regions;
2563 reload_facedata; 3362 reload_facedata;
2564 reload_archetypes; 3363 reload_archetypes;
3364 reload_regions;
2565 reload_treasures; 3365 reload_treasures;
2566 3366
2567 warn "finished reloading resource files\n"; 3367 warn "finished reloading resource files\n";
2568} 3368}
2569 3369
2570sub init { 3370sub reload_config {
2571 reload_resources;
2572}
2573
2574sub cfg_load {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3371 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3372 or return;
2577 3373
2578 local $/; 3374 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3375 *CFG = YAML::Load <$fh>;
2580 3376
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3377 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3378
2583 $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};
2584 $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};
… …
2590 }; 3386 };
2591 warn $@ if $@; 3387 warn $@ if $@;
2592 } 3388 }
2593} 3389}
2594 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
2595sub 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
2596 # we must not ever block the main coroutine 3434 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3435 local $Coro::idle = sub {
2598 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#
2599 (async { 3437 (async {
2600 Event::one_event; 3438 $Coro::current->{desc} = "IDLE BUG HANDLER";
3439 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3440 })->prio (Coro::PRIO_MAX);
2602 }; 3441 };
2603 3442
2604 cfg_load; 3443 evthread_start IO::AIO::poll_fileno;
3444
3445 cf::sync_job {
3446 reload_resources;
3447 reload_config;
2605 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
2606 load_extensions; 3461 load_extensions;
2607 3462
2608 $TICK_WATCHER->start; 3463 utime time, time, $RUNTIMEFILE;
2609 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;
2610} 3473}
2611 3474
2612############################################################################# 3475#############################################################################
2613# initialisation and cleanup 3476# initialisation and cleanup
2614 3477
2615# install some emergency cleanup handlers 3478# install some emergency cleanup handlers
2616BEGIN { 3479BEGIN {
3480 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3481 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3482 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3483 cf::cleanup "SIG$signal";
2625 },
2626 ); 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
2627 } 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 };
2628} 3572}
2629 3573
2630sub emergency_save() { 3574sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3575 my $freeze_guard = cf::freeze_mainloop;
2632 3576
2633 warn "enter emergency perl save\n"; 3577 warn "emergency_perl_save: enter\n";
2634 3578
2635 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
2636 # use a peculiar iteration method to avoid tripping on perl 3585 # use a peculiar iteration method to avoid tripping on perl
2637 # refcount bugs in for. also avoids problems with players 3586 # refcount bugs in for. also avoids problems with players
2638 # and maps saved/destroyed asynchronously. 3587 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3588 warn "emergency_perl_save: begin player save\n";
2640 for my $login (keys %cf::PLAYER) { 3589 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3590 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3591 $pl->valid or next;
3592 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3593 $pl->save;
2644 } 3594 }
2645 warn "end emergency player save\n"; 3595 warn "emergency_perl_save: end player save\n";
2646 3596
2647 warn "begin emergency map save\n"; 3597 warn "emergency_perl_save: begin map save\n";
2648 for my $path (keys %cf::MAP) { 3598 for my $path (keys %cf::MAP) {
2649 my $map = $cf::MAP{$path} or next; 3599 my $map = $cf::MAP{$path} or next;
2650 $map->valid or next; 3600 $map->valid or next;
2651 $map->save; 3601 $map->save;
2652 } 3602 }
2653 warn "end emergency map save\n"; 3603 warn "emergency_perl_save: end map save\n";
2654 3604
2655 warn "begin emergency database checkpoint\n"; 3605 warn "emergency_perl_save: begin database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3606 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3607 warn "emergency_perl_save: end database checkpoint\n";
3608
3609 warn "emergency_perl_save: begin write uuid\n";
3610 write_uuid_sync 1;
3611 warn "emergency_perl_save: end write uuid\n";
2658 }; 3612 };
2659 3613
3614 warn "emergency_perl_save: starting sync()\n";
3615 IO::AIO::aio_sync sub {
3616 warn "emergency_perl_save: finished sync()\n";
3617 };
3618
2660 warn "leave emergency perl save\n"; 3619 warn "emergency_perl_save: leave\n";
2661} 3620}
2662 3621
2663sub post_cleanup { 3622sub post_cleanup {
2664 my ($make_core) = @_; 3623 my ($make_core) = @_;
2665 3624
2666 warn Carp::longmess "post_cleanup backtrace" 3625 warn Carp::longmess "post_cleanup backtrace"
2667 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#
2668} 3656}
2669 3657
2670sub do_reload_perl() { 3658sub do_reload_perl() {
2671 # can/must only be called in main 3659 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3660 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3661 warn "can only reload from main coroutine";
2674 return; 3662 return;
2675 } 3663 }
2676 3664
3665 return if $RELOAD++;
3666
3667 my $t1 = EV::time;
3668
3669 while ($RELOAD) {
2677 warn "reloading..."; 3670 warn "reloading...";
2678 3671
2679 warn "entering sync_job"; 3672 warn "entering sync_job";
2680 3673
2681 cf::sync_job { 3674 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3675 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3676 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3677 cf::write_runtime_sync; # external watchdog should not bark
2685 3678
2686 warn "syncing database to disk"; 3679 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3680 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3681
2689 # 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
2690 3683
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695
2696 warn "flushing outstanding aio requests"; 3684 warn "flushing outstanding aio requests";
2697 for (;;) {
2698 BDB::flush;
2699 IO::AIO::flush;
2700 Coro::cede;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3685 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3686 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703 }
2704
2705 ++$RELOAD;
2706
2707 warn "cancelling all extension coros";
2708 $_->cancel for values %EXT_CORO;
2709 %EXT_CORO = ();
2710
2711 warn "removing commands";
2712 %COMMAND = ();
2713
2714 warn "removing ext commands";
2715 %EXTCMD = ();
2716
2717 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg";
2720
2721 if (my $cb = $pkg->can ("unload")) {
2722 eval {
2723 $cb->($pkg);
2724 1
2725 } or warn "$pkg unloaded, but with errors: $@";
2726 } 3687 }
2727 3688
2728 warn "... nuking $pkg"; 3689 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3690 $_->cancel for values %EXT_CORO;
2730 } 3691 %EXT_CORO = ();
2731 3692
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3693 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3694 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3695
3696 warn "removing ext/exti commands";
3697 %EXTCMD = ();
3698 %EXTICMD = ();
3699
3700 warn "unloading/nuking all extensions";
3701 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3702 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3703
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3704 if (my $cb = $pkg->can ("unload")) {
3705 eval {
2743 $cb->(); 3706 $cb->($pkg);
3707 1
3708 } or warn "$pkg unloaded, but with errors: $@";
3709 }
3710
3711 warn "... clearing $pkg";
3712 clear_package $pkg;
2744 } 3713 }
2745 3714
2746 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;
2747 } 3730 }
2748 3731
2749 warn "getting rid of safe::, as good as possible"; 3732 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3733 clear_package "safe::$_"
2751 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);
2752 3735
2753 warn "unloading cf.pm \"a bit\""; 3736 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3737 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3738 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756 3739
2757 # don't, removes xs symbols, too, 3740 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3741 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3742 #clear_package __PACKAGE__;
2760 3743
2761 warn "unload completed, starting to reload now"; 3744 warn "unload completed, starting to reload now";
2762 3745
2763 warn "reloading cf.pm"; 3746 warn "reloading cf.pm";
2764 require cf; 3747 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3748 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3749
2767 warn "loading config and database again"; 3750 warn "loading config and database again";
2768 cf::cfg_load; 3751 cf::reload_config;
2769 3752
2770 warn "loading extensions"; 3753 warn "loading extensions";
2771 cf::load_extensions; 3754 cf::load_extensions;
2772 3755
3756 if ($REATTACH_ON_RELOAD) {
2773 warn "reattaching attachments to objects/players"; 3757 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3758 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3759 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3760 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3761 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3762 reattach $_ for values %PLAYER;
3763 }
2779 3764
3765 warn "running post_init jobs";
3766 (pop @POST_INIT)->(1) while @POST_INIT;
3767
2780 warn "leaving sync_job"; 3768 warn "leaving sync_job";
2781 3769
2782 1 3770 1
2783 } or do { 3771 } or do {
2784 warn $@; 3772 warn $@;
2785 warn "error while reloading, exiting."; 3773 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3774 };
2788 3775
2789 warn "reloaded"; 3776 warn "reloaded";
3777 --$RELOAD;
3778 }
3779
3780 $t1 = EV::time - $t1;
3781 warn "reload completed in ${t1}s\n";
2790}; 3782};
2791 3783
2792our $RELOAD_WATCHER; # used only during reload 3784our $RELOAD_WATCHER; # used only during reload
2793 3785
2794sub reload_perl() { 3786sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3787 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3788 # coro crashes during coro_state_free->destroy here.
2797 3789
2798 $RELOAD_WATCHER ||= Event->timer ( 3790 $RELOAD_WATCHER ||= cf::async {
2799 reentrant => 0, 3791 Coro::AIO::aio_wait cache_extensions;
2800 after => 0, 3792
2801 data => WF_AUTOCANCEL, 3793 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802 cb => sub {
2803 do_reload_perl; 3794 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3795 undef $RELOAD_WATCHER;
2805 }, 3796 };
2806 ); 3797 };
2807} 3798}
2808 3799
2809register_command "reload" => sub { 3800register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3801 my ($who, $arg) = @_;
2811 3802
2812 if ($who->flag (FLAG_WIZ)) { 3803 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3804 $who->message ("reloading server.");
3805 async {
3806 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3807 reload_perl;
3808 };
2815 } 3809 }
2816}; 3810};
2817 3811
2818unshift @INC, $LIBDIR; 3812unshift @INC, $LIBDIR;
2819 3813
… …
2821 3815
2822our @WAIT_FOR_TICK; 3816our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3817our @WAIT_FOR_TICK_BEGIN;
2824 3818
2825sub wait_for_tick { 3819sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3820 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3821
2829 my $signal = new Coro::Signal; 3822 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3823 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3824 $signal->wait;
2832} 3825}
2833 3826
2834sub wait_for_tick_begin { 3827sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3828 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3829
2838 my $signal = new Coro::Signal; 3830 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3831 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3832 $signal->wait;
2841} 3833}
2842 3834
2843 my $min = 1e6;#d# 3835sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3836 if ($Coro::current != $Coro::main) {
2853 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"
2854 unless ++$bug_warning > 10; 3838 unless ++$bug_warning > 10;
2855 return; 3839 return;
2856 } 3840 }
2857 3841
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3842 cf::server_tick; # one server iteration
2861 3843
2862 0 && sync_job {#d# 3844 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3845 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3846 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3847 $Coro::current->{desc} = "runtime saver";
2866 or die; 3848 write_runtime_sync
2867 3849 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3850 };
3851 }
2884 3852
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3853 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3854 $sig->send;
2901 } 3855 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3856 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3857 $sig->send;
2904 } 3858 }
2905 3859
2906 $NOW = Event::time; 3860 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3861 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3862
2917 _post_tick; 3863 if (0) {
2918 3864 if ($NEXT_TICK) {
2919 3865 my $jitter = $TICK_START - $NEXT_TICK;
3866 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3867 warn "jitter $JITTER\n";#d#
3868 }
2920 }, 3869 }
2921); 3870}
2922 3871
2923{ 3872{
2924 BDB::max_poll_time $TICK * 0.1; 3873 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3874
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3875 BDB::min_parallel 8;
2934 3876 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3877 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3878
2950 unless ($DB_ENV) { 3879 unless ($DB_ENV) {
2951 $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);
2952 3886
2953 cf::sync_job { 3887 cf::sync_job {
2954 eval { 3888 eval {
2955 BDB::db_env_open 3889 BDB::db_env_open
2956 $DB_ENV, 3890 $DB_ENV,
… …
2958 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
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3893 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3894 0666;
2961 3895
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3896 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3897 };
2967 3898
2968 cf::cleanup "db_env_open(db): $@" if $@; 3899 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3900 };
2970 } 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 };
2971} 3912}
2972 3913
2973{ 3914{
3915 # configure IO::AIO
3916
2974 IO::AIO::min_parallel 8; 3917 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3918 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3919 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3920}
2987 3921
2988my $_log_backtrace; 3922my $_log_backtrace;
2989 3923
2990sub _log_backtrace { 3924sub _log_backtrace {
… …
2993 $msg =~ s/\n//; 3927 $msg =~ s/\n//;
2994 3928
2995 # limit the # of concurrent backtraces 3929 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3930 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3931 ++$_log_backtrace;
3932 my $perl_bt = Carp::longmess $msg;
2998 async { 3933 async {
3934 $Coro::current->{desc} = "abt $msg";
3935
2999 my @bt = fork_call { 3936 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3937 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3938 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 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 |"
3003 or die "addr2line: $!"; 3940 or die "addr2line: $!";
… …
3011 } 3948 }
3012 3949
3013 @funcs 3950 @funcs
3014 }; 3951 };
3015 3952
3016 LOG llevInfo, "[ABT] $msg\n"; 3953 LOG llevInfo, "[ABT] $perl_bt\n";
3954 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt; 3955 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace; 3956 --$_log_backtrace;
3019 }; 3957 };
3020 } else { 3958 } else {
3021 LOG llevInfo, "[ABT] $msg\n"; 3959 LOG llevInfo, "[ABT] $msg\n";
3022 LOG llevInfo, "[ABT] [suppressed]\n"; 3960 LOG llevInfo, "[ABT] [suppressed]\n";
3023 } 3961 }
3024} 3962}
3025 3963
3026# load additional modules 3964# load additional modules
3027use cf::pod; 3965require "cf/$_.pm" for @EXTRA_MODULES;
3028 3966
3029END { cf::emergency_save } 3967END { cf::emergency_save }
3030 3968
30311 39691
3032 3970

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