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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 1.477 by root, Wed Sep 2 22:52:36 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 $EMERGENCY_POSITION;
… …
155 203
156The raw value load value from the last tick. 204The raw value load value from the last tick.
157 205
158=item %cf::CFG 206=item %cf::CFG
159 207
160Configuration for the server, loaded from C</etc/crossfire/config>, or 208Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 209from wherever your confdir points to.
162 210
163=item cf::wait_for_tick, cf::wait_for_tick_begin 211=item cf::wait_for_tick, cf::wait_for_tick_begin
164 212
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 213These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 214returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 215per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 216
217=item @cf::INVOKE_RESULTS
218
219This array contains the results of the last C<invoke ()> call. When
220C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
221that call.
222
169=back 223=back
170 224
171=cut 225=cut
172 226
173BEGIN { 227$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 228 my $msg = join "", @_;
176 229
177 $msg .= "\n" 230 $msg .= "\n"
178 unless $msg =~ /\n$/; 231 unless $msg =~ /\n$/;
179 232
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 233 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 234
182 utf8::encode $msg;
183 LOG llevError, $msg; 235 LOG llevError, $msg;
184 }; 236};
185} 237
238$Coro::State::DIEHOOK = sub {
239 return unless $^S eq 0; # "eq", not "=="
240
241 warn Carp::longmess $_[0];
242
243 if ($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 Coro::terminate
250};
186 251
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 252@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 253@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 254@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 255@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 256@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
257@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 258@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 259
194# we bless all objects into (empty) derived classes to force a method lookup 260# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 261# within the Safe compartment.
196for my $pkg (qw( 262for my $pkg (qw(
197 cf::global cf::attachable 263 cf::global cf::attachable
198 cf::object cf::object::player 264 cf::object cf::object::player
199 cf::client cf::player 265 cf::client cf::player
200 cf::arch cf::living 266 cf::arch cf::living
267 cf::map cf::mapspace
201 cf::map cf::party cf::region 268 cf::party cf::region
202)) { 269)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 270 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 271}
206 272
207$Event::DIED = sub { 273$EV::DIED = sub {
208 warn "error in event callback: @_"; 274 warn "error in event callback: @_";
209}; 275};
276
277#############################################################################
210 278
211=head2 UTILITY FUNCTIONS 279=head2 UTILITY FUNCTIONS
212 280
213=over 4 281=over 4
214 282
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 301 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 302 $d
235 } || "[unable to dump $_[0]: '$@']"; 303 } || "[unable to dump $_[0]: '$@']";
236} 304}
237 305
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 306=item $ref = cf::decode_json $json
241 307
242Converts a JSON string into the corresponding perl data structure. 308Converts a JSON string into the corresponding perl data structure.
243 309
244=item $json = cf::to_json $ref 310=item $json = cf::encode_json $ref
245 311
246Converts a perl data structure into its JSON representation. 312Converts a perl data structure into its JSON representation.
247 313
314=cut
315
316our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
317
318sub encode_json($) { $json_coder->encode ($_[0]) }
319sub decode_json($) { $json_coder->decode ($_[0]) }
320
321=item cf::post_init { BLOCK }
322
323Execute the given codeblock, I<after> all extensions have been (re-)loaded,
324but I<before> the server starts ticking again.
325
326The cdoeblock will have a single boolean argument to indicate whether this
327is a reload or not.
328
329=cut
330
331sub post_init(&) {
332 push @POST_INIT, shift;
333}
334
248=item cf::lock_wait $string 335=item cf::lock_wait $string
249 336
250Wait until the given lock is available. See cf::lock_acquire. 337Wait until the given lock is available. See cf::lock_acquire.
251 338
252=item my $lock = cf::lock_acquire $string 339=item my $lock = cf::lock_acquire $string
253 340
254Wait until the given lock is available and then acquires it and returns 341Wait 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, 342a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 343for example when the coroutine gets canceled), the lock is automatically
257returned. 344returned.
258 345
346Locks are *not* recursive, locking from the same coro twice results in a
347deadlocked coro.
348
259Lock names should begin with a unique identifier (for example, cf::map::find 349Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 350uses map_find and cf::map::load uses map_load).
261 351
262=item $locked = cf::lock_active $string 352=item $locked = cf::lock_active $string
263 353
264Return true if the lock is currently active, i.e. somebody has locked it. 354Return true if the lock is currently active, i.e. somebody has locked it.
265 355
266=cut 356=cut
267 357
268our %LOCK; 358our $LOCKS = new Coro::SemaphoreSet;
269 359
270sub lock_wait($) { 360sub lock_wait($) {
271 my ($key) = @_; 361 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 362}
279 363
280sub lock_acquire($) { 364sub lock_acquire($) {
281 my ($key) = @_; 365 $LOCKS->guard ($_[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} 366}
293 367
294sub lock_active($) { 368sub lock_active($) {
295 my ($key) = @_; 369 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 370}
299 371
300sub freeze_mainloop { 372sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 373 tick_inhibit_inc;
302 374
303 my $guard = Coro::guard { 375 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 376}
377
378=item cf::periodic $interval, $cb
379
380Like EV::periodic, but randomly selects a starting point so that the actions
381get spread over timer.
382
383=cut
384
385sub periodic($$) {
386 my ($interval, $cb) = @_;
387
388 my $start = rand List::Util::min 180, $interval;
389
390 EV::periodic $start, $interval, 0, $cb
391}
392
393=item cf::get_slot $time[, $priority[, $name]]
394
395Allocate $time seconds of blocking CPU time at priority C<$priority>:
396This call blocks and returns only when you have at least C<$time> seconds
397of cpu time till the next tick. The slot is only valid till the next cede.
398
399The optional C<$name> can be used to identify the job to run. It might be
400used for statistical purposes and should identify the same time-class.
401
402Useful for short background jobs.
403
404=cut
405
406our @SLOT_QUEUE;
407our $SLOT_QUEUE;
408
409$SLOT_QUEUE->cancel if $SLOT_QUEUE;
410$SLOT_QUEUE = Coro::async {
411 $Coro::current->desc ("timeslot manager");
412
413 my $signal = new Coro::Signal;
414
415 while () {
416 next_job:
417 my $avail = cf::till_tick;
418 if ($avail > 0.01) {
419 for (0 .. $#SLOT_QUEUE) {
420 if ($SLOT_QUEUE[$_][0] < $avail) {
421 my $job = splice @SLOT_QUEUE, $_, 1, ();
422 $job->[2]->send;
423 Coro::cede;
424 goto next_job;
425 }
426 }
427 }
428
429 if (@SLOT_QUEUE) {
430 # we do not use wait_for_tick() as it returns immediately when tick is inactive
431 push @cf::WAIT_FOR_TICK, $signal;
432 $signal->wait;
433 } else {
434 Coro::schedule;
435 }
305 }; 436 }
306 $TICK_WATCHER->stop; 437};
307 $guard 438
439sub get_slot($;$$) {
440 return if tick_inhibit || $Coro::current == $Coro::main;
441
442 my ($time, $pri, $name) = @_;
443
444 $time = $TICK * .6 if $time > $TICK * .6;
445 my $sig = new Coro::Signal;
446
447 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
448 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
449 $SLOT_QUEUE->ready;
450 $sig->wait;
308} 451}
309 452
310=item cf::async { BLOCK } 453=item cf::async { BLOCK }
311 454
312Currently the same as Coro::async_pool, meaning you cannot use 455Currently the same as Coro::async_pool, meaning you cannot use
… …
317 460
318BEGIN { *async = \&Coro::async_pool } 461BEGIN { *async = \&Coro::async_pool }
319 462
320=item cf::sync_job { BLOCK } 463=item cf::sync_job { BLOCK }
321 464
322The design of crossfire+ requires that the main coro ($Coro::main) is 465The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 466is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 467partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
468acceptable.
325 469
326If it must be done, put the blocking parts into C<sync_job>. This will run 470If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 471the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 472server will be frozen during this time, so the block should either finish
329fast or be very important. 473fast or be very important.
… …
332 476
333sub sync_job(&) { 477sub sync_job(&) {
334 my ($job) = @_; 478 my ($job) = @_;
335 479
336 if ($Coro::current == $Coro::main) { 480 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 481 my $time = EV::time;
338 482
339 # this is the main coro, too bad, we have to block 483 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 484 # till the operation succeeds, freezing the server :/
341 485
342 # TODO: use suspend/resume instead 486 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 487
344 my $freeze_guard = freeze_mainloop; 488 my $freeze_guard = freeze_mainloop;
345 489
346 my $busy = 1; 490 my $busy = 1;
347 my @res; 491 my @res;
348 492
349 (async { 493 (async {
494 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 495 @res = eval { $job->() };
351 warn $@ if $@; 496 warn $@ if $@;
352 undef $busy; 497 undef $busy;
353 })->prio (Coro::PRIO_MAX); 498 })->prio (Coro::PRIO_MAX);
354 499
355 while ($busy) { 500 while ($busy) {
356 Coro::cede or Event::one_event; 501 if (Coro::nready) {
502 Coro::cede_notself;
503 } else {
504 EV::loop EV::LOOP_ONESHOT;
357 } 505 }
506 }
358 507
359 $time = Event::time - $time; 508 my $time = EV::time - $time;
360 509
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 510 $TICK_START += $time; # do not account sync jobs to server load
365 511
366 wantarray ? @res : $res[0] 512 wantarray ? @res : $res[0]
367 } else { 513 } else {
368 # we are in another coroutine, how wonderful, everything just works 514 # we are in another coroutine, how wonderful, everything just works
369 515
… …
389 $EXT_CORO{$coro+0} = $coro; 535 $EXT_CORO{$coro+0} = $coro;
390 536
391 $coro 537 $coro
392} 538}
393 539
394sub write_runtime { 540=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 541
397 # first touch the runtime file to show we are still running: 542Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 543process, returning the results. Everything must be serialisable with
544Coro::Storable. May, of course, block. Note that the executed sub may
545never block itself or use any form of event handling.
399 546
400 IO::AIO::aio_utime $runtime, undef, undef; 547=cut
401 548
402 my $guard = cf::lock_acquire "write_runtime"; 549sub fork_call(&@) {
550 my ($cb, @args) = @_;
403 551
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 552 # we seemingly have to make a local copy of the whole thing,
405 or return; 553 # otherwise perl prematurely frees the stuff :/
554 # TODO: investigate and fix (likely this will be rather laborious)
406 555
407 my $value = $cf::RUNTIME + 90 + 10; 556 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 557 reset_signals;
409 # 60 allows for the watchdog to kill the server. 558 &$cb
559 }, @args;
410 560
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 561 wantarray ? @res : $res[-1]
412 and return; 562}
413 563
414 # always fsync - this file is important 564=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 565
418 # touch it again to show we are up-to-date 566=cut
419 aio_utime $fh, undef, undef;
420 567
421 close $fh 568our %coin_alias = (
422 or return; 569 "silver" => "silvercoin",
570 "silvercoin" => "silvercoin",
571 "silvercoins" => "silvercoin",
572 "gold" => "goldcoin",
573 "goldcoin" => "goldcoin",
574 "goldcoins" => "goldcoin",
575 "platinum" => "platinacoin",
576 "platinumcoin" => "platinacoin",
577 "platinumcoins" => "platinacoin",
578 "platina" => "platinacoin",
579 "platinacoin" => "platinacoin",
580 "platinacoins" => "platinacoin",
581 "royalty" => "royalty",
582 "royalties" => "royalty",
583);
423 584
424 aio_rename "$runtime~", $runtime 585sub coin_from_name($) {
425 and return; 586 $coin_alias{$_[0]}
587 ? cf::arch::find $coin_alias{$_[0]}
588 : undef
589}
426 590
427 warn "runtime file written.\n";#d# 591=item $value = cf::db_get $family => $key
428 592
593Returns a single value from the environment database.
594
595=item cf::db_put $family => $key => $value
596
597Stores the given C<$value> in the family. It can currently store binary
598data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
599
600=item $db = cf::db_table "name"
601
602Create and/or open a new database table. The string must not be "db" and must be unique
603within each server.
604
605=cut
606
607sub db_table($) {
608 my ($name) = @_;
609 my $db = BDB::db_create $DB_ENV;
610
611 eval {
612 $db->set_flags (BDB::CHKSUM);
613
614 utf8::encode $name;
615 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
616 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
617 cf::cleanup "db_open(db): $!" if $!;
618 };
619 cf::cleanup "db_open(db): $@" if $@;
620
621 $db
622}
623
624our $DB;
625
626sub db_init {
627 cf::sync_job {
628 $DB ||= db_table "db";
629 };
630}
631
632sub db_get($$) {
633 my $key = "$_[0]/$_[1]";
634
635 cf::sync_job {
636 BDB::db_get $DB, undef, $key, my $data;
637
638 $! ? ()
639 : $data
429 1 640 }
641}
642
643sub db_put($$$) {
644 BDB::dbreq_pri 4;
645 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
646}
647
648=item cf::cache $id => [$paths...], $processversion => $process
649
650Generic caching function that returns the value of the resource $id,
651caching and regenerating as required.
652
653This function can block.
654
655=cut
656
657sub cache {
658 my ($id, $src, $processversion, $process) = @_;
659
660 my $meta =
661 join "\x00",
662 $processversion,
663 map {
664 aio_stat $_
665 and Carp::croak "$_: $!";
666
667 ($_, (stat _)[7,9])
668 } @$src;
669
670 my $dbmeta = db_get cache => "$id/meta";
671 if ($dbmeta ne $meta) {
672 # changed, we may need to process
673
674 my @data;
675 my $md5;
676
677 for (0 .. $#$src) {
678 0 <= aio_load $src->[$_], $data[$_]
679 or Carp::croak "$src->[$_]: $!";
680 }
681
682 # if processing is expensive, check
683 # checksum first
684 if (1) {
685 $md5 =
686 join "\x00",
687 $processversion,
688 map {
689 cf::cede_to_tick;
690 ($src->[$_], Digest::MD5::md5_hex $data[$_])
691 } 0.. $#$src;
692
693
694 my $dbmd5 = db_get cache => "$id/md5";
695 if ($dbmd5 eq $md5) {
696 db_put cache => "$id/meta", $meta;
697
698 return db_get cache => "$id/data";
699 }
700 }
701
702 my $t1 = Time::HiRes::time;
703 my $data = $process->(\@data);
704 my $t2 = Time::HiRes::time;
705
706 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
707
708 db_put cache => "$id/data", $data;
709 db_put cache => "$id/md5" , $md5;
710 db_put cache => "$id/meta", $meta;
711
712 return $data;
713 }
714
715 db_get cache => "$id/data"
430} 716}
431 717
432=item cf::datalog type => key => value, ... 718=item cf::datalog type => key => value, ...
433 719
434Log a datalog packet of the given type with the given key-value pairs. 720Log a datalog packet of the given type with the given key-value pairs.
… …
446 732
447############################################################################# 733#############################################################################
448 734
449=head2 ATTACHABLE OBJECTS 735=head2 ATTACHABLE OBJECTS
450 736
451Many objects in crossfire are so-called attachable objects. That means you can 737Many objects in deliantra are so-called attachable objects. That means you can
452attach callbacks/event handlers (a collection of which is called an "attachment") 738attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 739to it. All such attachable objects support the following methods.
454 740
455In the following description, CLASS can be any of C<global>, C<object> 741In 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 742C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 743Deliantra).
458 744
459=over 4 745=over 4
460 746
461=item $attachable->attach ($attachment, key => $value...) 747=item $attachable->attach ($attachment, key => $value...)
462 748
… …
506=item cf::CLASS::attachment $name, ... 792=item cf::CLASS::attachment $name, ...
507 793
508Register an attachment by C<$name> through which attachable objects of the 794Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 795given CLASS can refer to this attachment.
510 796
511Some classes such as crossfire maps and objects can specify attachments 797Some classes such as deliantra maps and objects can specify attachments
512that are attached at load/instantiate time, thus the need for a name. 798that are attached at load/instantiate time, thus the need for a name.
513 799
514These calls expect any number of the following handler/hook descriptions: 800These calls expect any number of the following handler/hook descriptions:
515 801
516=over 4 802=over 4
… …
664 _attach $registry, $klass, @attach; 950 _attach $registry, $klass, @attach;
665 } 951 }
666 952
667 $obj->{$name} = \%arg; 953 $obj->{$name} = \%arg;
668 } else { 954 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 955 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 956 }
671 957
672 $obj->{_attachment}{$name} = undef; 958 $obj->{_attachment}{$name} = undef;
673} 959}
674 960
… …
714 "; 1000 ";
715 die if $@; 1001 die if $@;
716} 1002}
717 1003
718our $override; 1004our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1005our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1006
721sub override { 1007sub override {
722 $override = 1; 1008 $override = 1;
723 @invoke_results = (); 1009 @INVOKE_RESULTS = (@_);
724} 1010}
725 1011
726sub do_invoke { 1012sub do_invoke {
727 my $event = shift; 1013 my $event = shift;
728 my $callbacks = shift; 1014 my $callbacks = shift;
729 1015
730 @invoke_results = (); 1016 @INVOKE_RESULTS = ();
731 1017
732 local $override; 1018 local $override;
733 1019
734 for (@$callbacks) { 1020 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1021 eval { &{$_->[1]} };
… …
744 } 1030 }
745 1031
746 0 1032 0
747} 1033}
748 1034
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1035=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1036
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1037=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1038
753Generate an object-specific event with the given arguments. 1039Generate an object-specific event with the given arguments.
754 1040
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1041This 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 1042removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1043results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1044
759=back 1045=back
760 1046
761=cut 1047=cut
762 1048
763############################################################################# 1049#############################################################################
764# object support 1050# object support
1051
1052sub _object_equal($$);
1053sub _object_equal($$) {
1054 my ($a, $b) = @_;
1055
1056 return 0 unless (ref $a) eq (ref $b);
1057
1058 if ("HASH" eq ref $a) {
1059 my @ka = keys %$a;
1060 my @kb = keys %$b;
1061
1062 return 0 if @ka != @kb;
1063
1064 for (0 .. $#ka) {
1065 return 0 unless $ka[$_] eq $kb[$_];
1066 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1067 }
1068
1069 } elsif ("ARRAY" eq ref $a) {
1070
1071 return 0 if @$a != @$b;
1072
1073 for (0 .. $#$a) {
1074 return 0 unless _object_equal $a->[$_], $b->[$_];
1075 }
1076
1077 } elsif ($a ne $b) {
1078 return 0;
1079 }
1080
1081 1
1082}
1083
1084our $SLOW_MERGES;#d#
1085sub _can_merge {
1086 my ($ob1, $ob2) = @_;
1087
1088 ++$SLOW_MERGES;#d#
1089
1090 # we do the slow way here
1091 return _object_equal $ob1, $ob2
1092}
765 1093
766sub reattach { 1094sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1095 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1096 my ($obj) = @_;
769 1097
1098 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1099 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1100
772 my $registry = $obj->registry; 1101 my $registry = $obj->registry;
773 1102
774 @$registry = (); 1103 @$registry = ();
775 1104
… …
790cf::attachable->attach ( 1119cf::attachable->attach (
791 prio => -1000000, 1120 prio => -1000000,
792 on_instantiate => sub { 1121 on_instantiate => sub {
793 my ($obj, $data) = @_; 1122 my ($obj, $data) = @_;
794 1123
795 $data = from_json $data; 1124 $data = decode_json $data;
796 1125
797 for (@$data) { 1126 for (@$data) {
798 my ($name, $args) = @$_; 1127 my ($name, $args) = @$_;
799 1128
800 $obj->attach ($name, %{$args || {} }); 1129 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1145sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1146 my ($filename, $rdata, $objs) = @_;
818 1147
819 sync_job { 1148 sync_job {
820 if (length $$rdata) { 1149 if (length $$rdata) {
1150 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1151 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1152 $decname, length $$rdata, scalar @$objs;
823 1153
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1156 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1157 if ($cf::USE_FSYNC) {
1158 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;
1159 aio_fsync $fh;
1160 }
828 close $fh; 1161 aio_close $fh;
829 1162
830 if (@$objs) { 1163 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1164 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1165 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1166 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1167 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1168 if ($cf::USE_FSYNC) {
1169 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;
1170 aio_fsync $fh;
1171 }
836 close $fh; 1172 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1173 aio_rename "$filename.pst~", "$filename.pst";
838 } 1174 }
839 } else { 1175 } else {
840 aio_unlink "$filename.pst"; 1176 aio_unlink "$filename.pst";
841 } 1177 }
842 1178
843 aio_rename "$filename~", $filename; 1179 aio_rename "$filename~", $filename;
1180
1181 $filename =~ s%/[^/]+$%%;
1182 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1183 } else {
845 warn "FATAL: $filename~: $!\n"; 1184 warn "unable to save objects: $filename~: $!\n";
846 } 1185 }
847 } else { 1186 } else {
848 aio_unlink $filename; 1187 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1188 aio_unlink "$filename.pst";
850 } 1189 }
851 } 1190 };
852} 1191}
853 1192
854sub object_freezer_as_string { 1193sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1194 my ($rdata, $objs) = @_;
856 1195
… …
868 or return; 1207 or return;
869 1208
870 unless (aio_stat "$filename.pst") { 1209 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1210 (aio_load "$filename.pst", $av) >= 0
872 or return; 1211 or return;
1212
873 $av = eval { (Storable::thaw $av)->{objs} }; 1213 my $st = eval { Coro::Storable::thaw $av };
1214 $av = $st->{objs};
874 } 1215 }
875 1216
1217 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1218 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1219 $decname, length $data, scalar @{$av || []};
1220
878 return ($data, $av); 1221 ($data, $av)
879} 1222}
1223
1224=head2 COMMAND CALLBACKS
1225
1226=over 4
1227
1228=cut
880 1229
881############################################################################# 1230#############################################################################
882# command handling &c 1231# command handling &c
883 1232
884=item cf::register_command $name => \&callback($ob,$args); 1233=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1246 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1247}
899 1248
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1249=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1250
902Register a callbackf ro execution when the client sends an extcmd packet. 1251Register a callback for execution when the client sends an (synchronous)
1252extcmd packet. Ext commands will be processed in the order they are
1253received by the server, like other user commands. The first argument is
1254the logged-in player. Ext commands can only be processed after a player
1255has logged in successfully.
903 1256
904If the callback returns something, it is sent back as if reply was being 1257If the callback returns something, it is sent back as if reply was being
905called. 1258called.
906 1259
1260=item cf::register_exticmd $name => \&callback($ns,$packet);
1261
1262Register a callback for execution when the client sends an (asynchronous)
1263exticmd packet. Exti commands are processed by the server as soon as they
1264are received, i.e. out of order w.r.t. other commands. The first argument
1265is a client socket. Exti commands can be received anytime, even before
1266log-in.
1267
1268If the callback returns something, it is sent back as if reply was being
1269called.
1270
907=cut 1271=cut
908 1272
909sub register_extcmd { 1273sub register_extcmd {
910 my ($name, $cb) = @_; 1274 my ($name, $cb) = @_;
911 1275
912 $EXTCMD{$name} = $cb; 1276 $EXTCMD{$name} = $cb;
913} 1277}
1278
1279sub register_exticmd {
1280 my ($name, $cb) = @_;
1281
1282 $EXTICMD{$name} = $cb;
1283}
1284
1285use File::Glob ();
914 1286
915cf::player->attach ( 1287cf::player->attach (
916 on_command => sub { 1288 on_command => sub {
917 my ($pl, $name, $params) = @_; 1289 my ($pl, $name, $params) = @_;
918 1290
… …
926 cf::override; 1298 cf::override;
927 }, 1299 },
928 on_extcmd => sub { 1300 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1301 my ($pl, $buf) = @_;
930 1302
931 my $msg = eval { from_json $buf }; 1303 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1304
933 if (ref $msg) { 1305 if (ref $msg) {
1306 my ($type, $reply, @payload) =
1307 "ARRAY" eq ref $msg
1308 ? @$msg
1309 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1310
1311 my @reply;
1312
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1313 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1314 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1315 }
1316
1317 $pl->ext_reply ($reply, @reply)
1318 if $reply;
1319
939 } else { 1320 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1321 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1322 }
942 1323
943 cf::override; 1324 cf::override;
944 }, 1325 },
945); 1326);
946 1327
1328# "readahead" all extensions
947sub load_extension { 1329sub cache_extensions {
948 my ($path) = @_; 1330 my $grp = IO::AIO::aio_group;
949 1331
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1332 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1333 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1334 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 } 1335 }
975 die $@;
976 } 1336 };
977 1337
978 push @EXTS, $pkg; 1338 $grp
979} 1339}
980 1340
981sub load_extensions { 1341sub load_extensions {
1342 cf::sync_job {
1343 my %todo;
1344
982 for my $ext (<$LIBDIR/*.ext>) { 1345 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1346 next unless -r $path;
984 eval { 1347
985 load_extension $ext; 1348 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1349 my $base = $1;
1350 my $pkg = $1;
1351 $pkg =~ s/[^[:word:]]/_/g;
1352 $pkg = "ext::$pkg";
1353
1354 open my $fh, "<:utf8", $path
1355 or die "$path: $!";
1356
1357 my $source = do { local $/; <$fh> };
1358
1359 my %ext = (
1360 path => $path,
1361 base => $base,
1362 pkg => $pkg,
1363 );
1364
1365 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1366 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1367
1368 $ext{source} =
1369 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1370 . "#line 1 \"$path\"\n{\n"
1371 . $source
1372 . "\n};\n1";
1373
1374 $todo{$base} = \%ext;
1375 }
1376
1377 my %done;
1378 while (%todo) {
1379 my $progress;
1380
1381 while (my ($k, $v) = each %todo) {
1382 for (split /,\s*/, $v->{meta}{depends}) {
1383 goto skip
1384 unless exists $done{$_};
1385 }
1386
1387 warn "... loading '$k' into '$v->{pkg}'\n";
1388
1389 unless (eval $v->{source}) {
1390 my $msg = $@ ? "$v->{path}: $@\n"
1391 : "$v->{base}: extension inactive.\n";
1392
1393 if (exists $v->{meta}{mandatory}) {
1394 warn $msg;
1395 cf::cleanup "mandatory extension failed to load, exiting.";
1396 }
1397
1398 warn $msg;
1399 }
1400
1401 $done{$k} = delete $todo{$k};
1402 push @EXTS, $v->{pkg};
1403 $progress = 1;
986 1 1404 }
987 } or warn "$ext not loaded: $@"; 1405
1406 skip:
1407 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1408 unless $progress;
1409 }
988 } 1410 };
989} 1411}
990 1412
991############################################################################# 1413#############################################################################
992 1414
1415=back
1416
993=head2 CORE EXTENSIONS 1417=head2 CORE EXTENSIONS
994 1418
995Functions and methods that extend core crossfire objects. 1419Functions and methods that extend core deliantra objects.
996 1420
997=cut 1421=cut
998 1422
999package cf::player; 1423package cf::player;
1000 1424
1001use Coro::AIO; 1425use Coro::AIO;
1002 1426
1003=head3 cf::player 1427=head3 cf::player
1004 1428
1005=over 4 1429=over 4
1430
1431=item cf::player::num_playing
1432
1433Returns the official number of playing players, as per the Crossfire metaserver rules.
1434
1435=cut
1436
1437sub num_playing {
1438 scalar grep
1439 $_->ob->map
1440 && !$_->hidden
1441 && !$_->ob->flag (cf::FLAG_WIZ),
1442 cf::player::list
1443}
1006 1444
1007=item cf::player::find $login 1445=item cf::player::find $login
1008 1446
1009Returns the given player object, loading it if necessary (might block). 1447Returns the given player object, loading it if necessary (might block).
1010 1448
… …
1029 1467
1030sub exists($) { 1468sub exists($) {
1031 my ($login) = @_; 1469 my ($login) = @_;
1032 1470
1033 $cf::PLAYER{$login} 1471 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1472 or !aio_stat path $login
1035} 1473}
1036 1474
1037sub find($) { 1475sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1476 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1477 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1484 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1485 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1486 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1487 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1488
1051 my $pl = load_pl path $login 1489 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1490 or return;
1491
1492 my $pl = cf::player::load_pl $f
1493 or return;
1494
1495 local $cf::PLAYER_LOADING{$login} = $pl;
1496 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1497 $cf::PLAYER{$login} = $pl
1054 } 1498 }
1055 } 1499 }
1056} 1500}
1057 1501
… …
1066 return if $pl->{deny_save}; 1510 return if $pl->{deny_save};
1067 1511
1068 aio_mkdir playerdir $pl, 0770; 1512 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1513 $pl->{last_save} = $cf::RUNTIME;
1070 1514
1515 cf::get_slot 0.01;
1516
1071 $pl->save_pl ($path); 1517 $pl->save_pl ($path);
1072 Coro::cede; 1518 cf::cede_to_tick;
1073} 1519}
1074 1520
1075sub new($) { 1521sub new($) {
1076 my ($login) = @_; 1522 my ($login) = @_;
1077 1523
… …
1083 $cf::PLAYER{$login} = $self; 1529 $cf::PLAYER{$login} = $self;
1084 1530
1085 $self 1531 $self
1086} 1532}
1087 1533
1534=item $player->send_msg ($channel, $msg, $color, [extra...])
1535
1536=cut
1537
1538sub send_msg {
1539 my $ns = shift->ns
1540 or return;
1541 $ns->send_msg (@_);
1542}
1543
1088=item $pl->quit_character 1544=item $pl->quit_character
1089 1545
1090Nukes the player without looking back. If logged in, the connection will 1546Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1547be destroyed. May block for a long time.
1092 1548
… …
1096 my ($pl) = @_; 1552 my ($pl) = @_;
1097 1553
1098 my $name = $pl->ob->name; 1554 my $name = $pl->ob->name;
1099 1555
1100 $pl->{deny_save} = 1; 1556 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1557 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1558
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1559 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1560 $pl->deactivate;
1561 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1562 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1563 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1564 $pl->ns->destroy if $pl->ns;
1107 1565
1108 my $path = playerdir $pl; 1566 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1567 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1603 or return [];
1146 1604
1147 my @logins; 1605 my @logins;
1148 1606
1149 for my $login (@$dirs) { 1607 for my $login (@$dirs) {
1608 my $path = path $login;
1609
1610 # a .pst is a dead give-away for a valid player
1611 # if no pst file found, open and chekc for blocked users
1612 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1613 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1614 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1615 $buf !~ /^password -------------$/m or next; # official not-valid tag
1616 }
1153 1617
1154 utf8::decode $login; 1618 utf8::decode $login;
1155 push @logins, $login; 1619 push @logins, $login;
1156 } 1620 }
1157 1621
… …
1184 } 1648 }
1185 1649
1186 \@paths 1650 \@paths
1187} 1651}
1188 1652
1653=item $protocol_xml = $player->expand_cfpod ($cfpod)
1654
1655Expand deliantra pod fragments into protocol xml.
1656
1189=item $player->ext_reply ($msgid, %msg) 1657=item $player->ext_reply ($msgid, @msg)
1190 1658
1191Sends an ext reply to the player. 1659Sends an ext reply to the player.
1192 1660
1193=cut 1661=cut
1194 1662
1195sub ext_reply($$%) { 1663sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1664 my ($self, $id, @msg) = @_;
1197 1665
1198 $msg{msgid} = $id; 1666 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1667}
1202 1668
1203=item $player->ext_event ($type, %msg) 1669=item $player->ext_msg ($type, @msg)
1204 1670
1205Sends an ext event to the client. 1671Sends an ext event to the client.
1206 1672
1207=cut 1673=cut
1208 1674
1209sub ext_event($$%) { 1675sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1676 my ($self, $type, @msg) = @_;
1211 1677
1212 $self->ns->ext_event ($type, %msg); 1678 $self->ns->ext_msg ($type, @msg);
1213} 1679}
1214 1680
1215=head3 cf::region 1681=head3 cf::region
1216 1682
1217=over 4 1683=over 4
… …
1220 1686
1221package cf::region; 1687package cf::region;
1222 1688
1223=item cf::region::find_by_path $path 1689=item cf::region::find_by_path $path
1224 1690
1225Tries to decuce the probable region for a map knowing only its path. 1691Tries to decuce the likely region for a map knowing only its path.
1226 1692
1227=cut 1693=cut
1228 1694
1229sub find_by_path($) { 1695sub find_by_path($) {
1230 my ($path) = @_; 1696 my ($path) = @_;
1231 1697
1232 my ($match, $specificity); 1698 my ($match, $specificity);
1233 1699
1234 for my $region (list) { 1700 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1701 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1702 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1703 if $region->specificity > $specificity;
1238 } 1704 }
1239 } 1705 }
1240 1706
… …
1261our $MAX_RESET = 3600; 1727our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1728our $DEFAULT_RESET = 3000;
1263 1729
1264sub generate_random_map { 1730sub generate_random_map {
1265 my ($self, $rmp) = @_; 1731 my ($self, $rmp) = @_;
1732
1733 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1734
1266 # mit "rum" bekleckern, nicht 1735 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1736 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1737 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1738 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1739 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1773 my ($self, $merge) = @_;
1305 1774
1306 # we have to keep some variables in memory intact 1775 # we have to keep some variables in memory intact
1307 local $self->{path}; 1776 local $self->{path};
1308 local $self->{load_path}; 1777 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1778
1312 $self->SUPER::thawer_merge ($merge); 1779 $self->SUPER::thawer_merge ($merge);
1313} 1780}
1314 1781
1315sub normalise { 1782sub normalise {
… …
1362 $self->init; # pass $1 etc. 1829 $self->init; # pass $1 etc.
1363 return $self; 1830 return $self;
1364 } 1831 }
1365 } 1832 }
1366 1833
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1834 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1835 ()
1369} 1836}
1370 1837
1371sub init { 1838sub init {
1372 my ($self) = @_; 1839 my ($self) = @_;
… …
1394 1861
1395# the temporary/swap location 1862# the temporary/swap location
1396sub save_path { 1863sub save_path {
1397 my ($self) = @_; 1864 my ($self) = @_;
1398 1865
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1866 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1867 "$TMPDIR/$path.map"
1401} 1868}
1402 1869
1403# the unique path, undef == no special unique path 1870# the unique path, undef == no special unique path
1404sub uniq_path { 1871sub uniq_path {
1405 my ($self) = @_; 1872 my ($self) = @_;
1406 1873
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1874 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1875 "$UNIQUEDIR/$path"
1409} 1876}
1410 1877
1411# and all this just because we cannot iterate over 1878sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1879 my ($self) = @_;
1415 1880
1416 $_->change_map_light ($change) 1881 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1882
1883 $self->do_decay_objects;
1418} 1884}
1419 1885
1420sub unlink_save { 1886sub unlink_save {
1421 my ($self) = @_; 1887 my ($self) = @_;
1422 1888
… …
1427 1893
1428sub load_header_from($) { 1894sub load_header_from($) {
1429 my ($self, $path) = @_; 1895 my ($self, $path) = @_;
1430 1896
1431 utf8::encode $path; 1897 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1898 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1899 or return;
1900
1901 $self->_load_header ($f)
1902 or return;
1903
1904 local $MAP_LOADING{$self->{path}} = $self;
1905 $f->resolve_delayed_derefs;
1437 1906
1438 $self->{load_path} = $path; 1907 $self->{load_path} = $path;
1439 1908
1440 1 1909 1
1441} 1910}
… …
1480 $self->load_header_orig 1949 $self->load_header_orig
1481 or return; 1950 or return;
1482 $self->prepare_orig; 1951 $self->prepare_orig;
1483 } 1952 }
1484 1953
1954 $self->{deny_reset} = 1
1955 if $self->no_reset;
1956
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1957 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1958 unless $self->default_region;
1487 1959
1488 1 1960 1
1489} 1961}
… …
1492sub find { 1964sub find {
1493 my ($path, $origin) = @_; 1965 my ($path, $origin) = @_;
1494 1966
1495 $path = normalise $path, $origin && $origin->path; 1967 $path = normalise $path, $origin && $origin->path;
1496 1968
1969 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1970 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1971
1499 $cf::MAP{$path} || do { 1972 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1973 my $map = new_from_path cf::map $path
1502 or return; 1974 or return;
1503 1975
1504 $map->{last_save} = $cf::RUNTIME; 1976 $map->{last_save} = $cf::RUNTIME;
1505 1977
1506 $map->load_header 1978 $map->load_header
1507 or return; 1979 or return;
1508 1980
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1981 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1982 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1983 #$cf::WAIT_FOR_TICK->wait;
1984 undef $guard2;
1985 undef $guard1;
1512 $map->reset; 1986 $map->reset;
1513 undef $guard;
1514 return find $path; 1987 return find $path;
1515 } 1988 }
1516 1989
1517 $cf::MAP{$path} = $map 1990 $cf::MAP{$path} = $map
1518 } 1991 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 2000 local $self->{deny_reset} = 1; # loading can take a long time
1528 2001
1529 my $path = $self->{path}; 2002 my $path = $self->{path};
1530 2003
1531 { 2004 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2005 my $guard = cf::lock_acquire "map_data:$path";
1533 2006
2007 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2008 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2009
1536 $self->in_memory (cf::MAP_LOADING); 2010 $self->in_memory (cf::MAP_LOADING);
1537 2011
1538 $self->alloc; 2012 $self->alloc;
1539 2013
1540 $self->pre_load; 2014 $self->pre_load;
1541 Coro::cede; 2015 cf::cede_to_tick;
1542 2016
2017 my $f = new_from_file cf::object::thawer $self->{load_path};
2018 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2019 $self->_load_objects ($f)
1544 or return; 2020 or return;
1545 2021
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2022 $self->post_load_original
1547 if delete $self->{load_original}; 2023 if delete $self->{load_original};
1548 2024
1549 if (my $uniq = $self->uniq_path) { 2025 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2026 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2027 unless (aio_stat $uniq) {
2028 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2029 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2030 $self->_load_objects ($f);
2031 $f->resolve_delayed_derefs;
2032 }
1554 } 2033 }
1555 } 2034 }
1556 2035
1557 Coro::cede; 2036 $f->resolve_delayed_derefs;
2037
2038 cf::cede_to_tick;
1558 # now do the right thing for maps 2039 # now do the right thing for maps
1559 $self->link_multipart_objects; 2040 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2041 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2042 unless $self->difficulty;
1562 Coro::cede; 2043 cf::cede_to_tick;
1563 2044
1564 unless ($self->{deny_activate}) { 2045 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2046 $self->decay_objects;
1566 $self->fix_auto_apply; 2047 $self->fix_auto_apply;
1567 $self->update_buttons; 2048 $self->update_buttons;
1568 Coro::cede; 2049 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2050 $self->activate;
1572 } 2051 }
1573 2052
2053 $self->{last_save} = $cf::RUNTIME;
2054 $self->last_access ($cf::RUNTIME);
2055
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2057 }
1576 2058
1577 $self->post_load; 2059 $self->post_load;
1578} 2060}
1579 2061
… …
1581 my ($self, $ob) = @_; 2063 my ($self, $ob) = @_;
1582 2064
1583 return find "~" . $ob->name . "/" . $self->{path} 2065 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2066 if $self->per_player;
1585 2067
2068# return find "?party/" . $ob->name . "/" . $self->{path}
2069# if $self->per_party;
2070
1586 $self 2071 $self
1587} 2072}
1588 2073
1589# find and load all maps in the 3x3 area around a map 2074# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2075sub load_neighbours {
1591 my ($map) = @_; 2076 my ($map) = @_;
1592 2077
1593 my @diag; # diagonal neighbours 2078 my @neigh; # diagonal neighbours
1594 2079
1595 for (0 .. 3) { 2080 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2081 my $neigh = $map->tile_path ($_)
1597 or next; 2082 or next;
1598 $neigh = find $neigh, $map 2083 $neigh = find $neigh, $map
1599 or next; 2084 or next;
1600 $neigh->load; 2085 $neigh->load;
1601 2086
2087 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2088 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2089 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2090 }
1605 2091
1606 for (@diag) { 2092 for (grep defined $_->[0], @neigh) {
2093 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2094 my $neigh = find $path, $origin
1608 or next; 2095 or next;
1609 $neigh->load; 2096 $neigh->load;
1610 } 2097 }
1611} 2098}
1612 2099
… …
1617} 2104}
1618 2105
1619sub do_load_sync { 2106sub do_load_sync {
1620 my ($map) = @_; 2107 my ($map) = @_;
1621 2108
2109 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2110 if $Coro::current == $Coro::main;
2111
1622 cf::sync_job { $map->load }; 2112 cf::sync_job { $map->load };
1623} 2113}
1624 2114
1625our %MAP_PREFETCH; 2115our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2116our $MAP_PREFETCHER = undef;
1627 2117
1628sub find_async { 2118sub find_async {
1629 my ($path, $origin) = @_; 2119 my ($path, $origin, $load) = @_;
1630 2120
1631 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
1632 2122
1633 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2125 }
1636 2126
1637 undef $MAP_PREFETCH{$path}; 2127 $MAP_PREFETCH{$path} |= $load;
2128
1638 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2130 $Coro::current->{desc} = "map prefetcher";
2131
1639 while (%MAP_PREFETCH) { 2132 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2133 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2134 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2135 $map->load if $v;
2136 }
1644 2137
1645 delete $MAP_PREFETCH{$path}; 2138 delete $MAP_PREFETCH{$k};
1646 } 2139 }
1647 } 2140 }
1648 undef $MAP_PREFETCHER; 2141 undef $MAP_PREFETCHER;
1649 }; 2142 };
1650 $MAP_PREFETCHER->prio (6); 2143 $MAP_PREFETCHER->prio (6);
… …
1653} 2146}
1654 2147
1655sub save { 2148sub save {
1656 my ($self) = @_; 2149 my ($self) = @_;
1657 2150
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2151 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2152
1660 $self->{last_save} = $cf::RUNTIME; 2153 $self->{last_save} = $cf::RUNTIME;
1661 2154
1662 return unless $self->dirty; 2155 return unless $self->dirty;
1663 2156
… …
1669 return if $self->{deny_save}; 2162 return if $self->{deny_save};
1670 2163
1671 local $self->{last_access} = $self->last_access;#d# 2164 local $self->{last_access} = $self->last_access;#d#
1672 2165
1673 cf::async { 2166 cf::async {
2167 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
1675 }; 2169 };
2170
2171 cf::get_slot 0.02;
1676 2172
1677 if ($uniq) { 2173 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2176 } else {
… …
1686 my ($self) = @_; 2182 my ($self) = @_;
1687 2183
1688 # save first because save cedes 2184 # save first because save cedes
1689 $self->save; 2185 $self->save;
1690 2186
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2188
1693 return if $self->players; 2189 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2191 return if $self->{deny_save};
1696 2192
2193 $self->in_memory (cf::MAP_SWAPPED);
2194
2195 $self->deactivate;
2196 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2197 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2198}
1700 2199
1701sub reset_at { 2200sub reset_at {
1702 my ($self) = @_; 2201 my ($self) = @_;
1703 2202
1704 # TODO: safety, remove and allow resettable per-player maps 2203 # 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}; 2204 return 1e99 if $self->{deny_reset};
1707 2205
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2206 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2207 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2208
… …
1721 my ($self) = @_; 2219 my ($self) = @_;
1722 2220
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2222
1725 return if $self->players; 2223 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2224
1728 warn "resetting map ", $self->path;#d# 2225 warn "resetting map ", $self->path;
1729 2226
1730 $self->in_memory (cf::MAP_SWAPPED); 2227 $self->in_memory (cf::MAP_SWAPPED);
1731 2228
1732 # need to save uniques path 2229 # need to save uniques path
1733 unless ($self->{deny_save}) { 2230 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2234 if $uniq;
1738 } 2235 }
1739 2236
1740 delete $cf::MAP{$self->path}; 2237 delete $cf::MAP{$self->path};
1741 2238
2239 $self->deactivate;
2240 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2241 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2242
1746 $self->unlink_save; 2243 $self->unlink_save;
1747 $self->destroy; 2244 $self->destroy;
1748} 2245}
1749 2246
1750my $nuke_counter = "aaaa"; 2247my $nuke_counter = "aaaa";
1751 2248
1752sub nuke { 2249sub nuke {
1753 my ($self) = @_; 2250 my ($self) = @_;
1754 2251
2252 {
2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2254
1755 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1756 2256
1757 $self->unlink_save; 2257 $self->unlink_save;
1758 2258
1759 bless $self, "cf::map"; 2259 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2260 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2261 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2262 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2263 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2264
1765 $cf::MAP{$self->path} = $self; 2265 $cf::MAP{$self->path} = $self;
2266 }
1766 2267
1767 $self->reset; # polite request, might not happen 2268 $self->reset; # polite request, might not happen
2269}
2270
2271=item $maps = cf::map::tmp_maps
2272
2273Returns an arrayref with all map paths of currently instantiated and saved
2274maps. May block.
2275
2276=cut
2277
2278sub tmp_maps() {
2279 [
2280 map {
2281 utf8::decode $_;
2282 /\.map$/
2283 ? normalise $_
2284 : ()
2285 } @{ aio_readdir $TMPDIR or [] }
2286 ]
2287}
2288
2289=item $maps = cf::map::random_maps
2290
2291Returns an arrayref with all map paths of currently instantiated and saved
2292random maps. May block.
2293
2294=cut
2295
2296sub random_maps() {
2297 [
2298 map {
2299 utf8::decode $_;
2300 /\.map$/
2301 ? normalise "?random/$_"
2302 : ()
2303 } @{ aio_readdir $RANDOMDIR or [] }
2304 ]
1768} 2305}
1769 2306
1770=item cf::map::unique_maps 2307=item cf::map::unique_maps
1771 2308
1772Returns an arrayref of paths of all shared maps that have 2309Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2310instantiated unique items. May block.
1774 2311
1775=cut 2312=cut
1776 2313
1777sub unique_maps() { 2314sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2315 [
1779 or return; 2316 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2317 utf8::decode $_;
1785 next if /\.pst$/; 2318 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2320 ? ()
1788 push @paths, cf::map::normalise $_; 2321 : normalise $_
2322 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2323 ]
1790
1791 \@paths
1792} 2324}
1793
1794package cf;
1795 2325
1796=back 2326=back
1797 2327
1798=head3 cf::object 2328=head3 cf::object
1799 2329
… …
1803 2333
1804=over 4 2334=over 4
1805 2335
1806=item $ob->inv_recursive 2336=item $ob->inv_recursive
1807 2337
1808Returns the inventory of the object _and_ their inventories, recursively. 2338Returns the inventory of the object I<and> their inventories, recursively,
2339but I<not> the object itself.
1809 2340
1810=cut 2341=cut
1811 2342
1812sub inv_recursive_; 2343sub inv_recursive_;
1813sub inv_recursive_ { 2344sub inv_recursive_ {
… …
1816 2347
1817sub inv_recursive { 2348sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
1819} 2350}
1820 2351
2352=item $ref = $ob->ref
2353
2354Creates and returns a persistent reference to an object that can be stored as a string.
2355
2356=item $ob = cf::object::deref ($refstring)
2357
2358returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2359even if the object actually exists. May block.
2360
2361=cut
2362
2363sub deref {
2364 my ($ref) = @_;
2365
2366 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2367 my ($uuid, $name) = ($1, $2);
2368 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2369 or return;
2370 $pl->ob->uuid eq $uuid
2371 or return;
2372
2373 $pl->ob
2374 } else {
2375 warn "$ref: cannot resolve object reference\n";
2376 undef
2377 }
2378}
2379
1821package cf; 2380package cf;
1822 2381
1823=back 2382=back
1824 2383
1825=head3 cf::object::player 2384=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2390Sends 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 2391can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2392dialogue with the given NPC character.
1834 2393
1835=cut 2394=cut
2395
2396our $SAY_CHANNEL = {
2397 id => "say",
2398 title => "Map",
2399 reply => "say ",
2400 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2401};
2402
2403our $CHAT_CHANNEL = {
2404 id => "chat",
2405 title => "Chat",
2406 reply => "chat ",
2407 tooltip => "Player chat and shouts, global to the server.",
2408};
1836 2409
1837# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2411# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2412#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
… …
1842 2415
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2416 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2417
1845 if ($self->{record_replies}) { 2418 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2419 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2420
1847 } else { 2421 } else {
2422 my $pl = $self->contr;
2423
2424 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2425 my $dialog = $pl->{npc_dialog};
2426 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2427
2428 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2431 }
1850 } 2432 }
2433}
2434
2435=item $object->send_msg ($channel, $msg, $color, [extra...])
2436
2437=cut
2438
2439sub cf::object::send_msg {
2440 my $pl = shift->contr
2441 or return;
2442 $pl->send_msg (@_);
1851} 2443}
1852 2444
1853=item $player_object->may ("access") 2445=item $player_object->may ("access")
1854 2446
1855Returns wether the given player is authorized to access resource "access" 2447Returns wether the given player is authorized to access resource "access"
… …
1868 2460
1869=item $player_object->enter_link 2461=item $player_object->enter_link
1870 2462
1871Freezes the player and moves him/her to a special map (C<{link}>). 2463Freezes the player and moves him/her to a special map (C<{link}>).
1872 2464
1873The player should be reasonably safe there for short amounts of time. You 2465The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2466for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2467though, as the palyer cannot control the character while it is on the link
2468map.
1875 2469
1876Will never block. 2470Will never block.
1877 2471
1878=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
1879 2473
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2528 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2529 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2530 if $x <=0 && $y <= 0;
1937 2531
1938 $map->load; 2532 $map->load;
1939 $map->load_diag; 2533 $map->load_neighbours;
1940 2534
1941 return unless $self->contr->active; 2535 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2536
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2537 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2538 $self->enter_map ($map, $x, $y);
1946}
1947 2539
2540 # only activate afterwards, to support waiting in hooks
2541 $self->activate_recursive;
2542}
2543
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2545
1950Moves the player to the given map-path and coordinates by first freezing 2546Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2547her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2548that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2549the new (success) or old (failed) map position. In either case, $done will
2550be called at the end of this process.
2551
2552Note that $check will be called with a potentially non-loaded map, so if
2553it needs a loaded map it has to call C<< ->load >>.
1954 2554
1955=cut 2555=cut
1956 2556
1957our $GOTOGEN; 2557our $GOTOGEN;
1958 2558
1959sub cf::object::player::goto { 2559sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2560 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2561
1962 # do generation counting so two concurrent goto's will be executed in-order 2562 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2563 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2564
1965 $self->enter_link; 2565 $self->enter_link;
1966 2566
1967 (async { 2567 (async {
2568 $Coro::current->{desc} = "player::goto $path $x $y";
2569
2570 # *tag paths override both path and x|y
2571 if ($path =~ /^\*(.*)$/) {
2572 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2573 my $ob = $obs[rand @obs];
2574
2575 # see if we actually can go there
2576 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2577 $ob = $obs[rand @obs];
2578 } else {
2579 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2580 }
2581 # else put us there anyways for now #d#
2582
2583 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2584 } else {
2585 ($path, $x, $y) = (undef, undef, undef);
2586 }
2587 }
2588
1968 my $map = eval { 2589 my $map = eval {
1969 my $map = cf::map::find $path; 2590 my $map = defined $path ? cf::map::find $path : undef;
1970 2591
1971 if ($map) { 2592 if ($map) {
1972 $map = $map->customise_for ($self); 2593 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2594 $map = $check->($map) if $check && $map;
1974 } else { 2595 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2596 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2597 }
1977 2598
1978 $map 2599 $map
1979 }; 2600 };
1980 2601
… …
1985 2606
1986 if ($gen == $self->{_goto_generation}) { 2607 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2608 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2609 $self->leave_link ($map, $x, $y);
1989 } 2610 }
2611
2612 $done->() if $done;
1990 })->prio (1); 2613 })->prio (1);
1991} 2614}
1992 2615
1993=item $player_object->enter_exit ($exit_object) 2616=item $player_object->enter_exit ($exit_object)
1994 2617
… …
2014} 2637}
2015 2638
2016sub prepare_random_map { 2639sub prepare_random_map {
2017 my ($exit) = @_; 2640 my ($exit) = @_;
2018 2641
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2642 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2643 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2644 # that depends on the exit object
2024 2645
2025 my $rmp = parse_random_map_params $exit->msg; 2646 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2648 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2649 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2650 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2651 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
2653
2654 $exit->map->touch;
2032 } 2655 }
2033 2656
2034 $rmp->{random_seed} ||= $exit->random_seed; 2657 $rmp->{random_seed} ||= $exit->random_seed;
2035 2658
2036 my $data = cf::to_json $rmp; 2659 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2660 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2661 my $meta = "$RANDOMDIR/$md5.meta";
2039 2662
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2663 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2664 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2665 undef $fh;
2043 aio_rename "$meta~", $meta; 2666 aio_rename "$meta~", $meta;
2044 2667
2668 my $slaying = "?random/$md5";
2669
2670 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2671 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2672 $exit->msg (undef);
2673 }
2047 } 2674 }
2048} 2675}
2049 2676
2050sub cf::object::player::enter_exit { 2677sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2678 my ($self, $exit) = @_;
2052 2679
2053 return unless $self->type == cf::PLAYER; 2680 return unless $self->type == cf::PLAYER;
2054 2681
2055 if ($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; 2682 $self->enter_link;
2067 2683
2068 (async { 2684 (async {
2069 $self->deactivate_recursive; # just to be sure 2685 $Coro::current->{desc} = "enter_exit";
2686
2070 unless (eval { 2687 unless (eval {
2688 $self->deactivate_recursive; # just to be sure
2689
2690 # random map handling
2691 {
2692 my $guard = cf::lock_acquire "exit_prepare:$exit";
2693
2694 prepare_random_map $exit
2695 if $exit->slaying eq "/!";
2696 }
2697
2698 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2699 my $x = $exit->stats->hp;
2700 my $y = $exit->stats->sp;
2701
2071 $self->goto ($slaying, $hp, $sp); 2702 $self->goto ($map, $x, $y);
2072 2703
2704 # if exit is damned, update players death & WoR home-position
2705 $self->contr->savebed ($map, $x, $y)
2706 if $exit->flag (cf::FLAG_DAMNED);
2707
2073 1; 2708 1
2074 }) { 2709 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2710 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "I'll try to bring you back to the map you were before. " 2711 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2712 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2713 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2714
2080 warn "ERROR in enter_exit: $@"; 2715 warn "ERROR in enter_exit: $@";
… …
2099 2734
2100 utf8::encode $text; 2735 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2736 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2737}
2103 2738
2739=item $client->send_msg ($channel, $msg, $color, [extra...])
2740
2741Send a drawinfo or msg packet to the client, formatting the msg for the
2742client if neccessary. C<$type> should be a string identifying the type of
2743the message, with C<log> being the default. If C<$color> is negative, suppress
2744the message unless the client supports the msg packet.
2745
2746=cut
2747
2748# non-persistent channels (usually the info channel)
2749our %CHANNEL = (
2750 "c/identify" => {
2751 id => "infobox",
2752 title => "Identify",
2753 reply => undef,
2754 tooltip => "Items recently identified",
2755 },
2756 "c/examine" => {
2757 id => "infobox",
2758 title => "Examine",
2759 reply => undef,
2760 tooltip => "Signs and other items you examined",
2761 },
2762 "c/book" => {
2763 id => "infobox",
2764 title => "Book",
2765 reply => undef,
2766 tooltip => "The contents of a note or book",
2767 },
2768 "c/lookat" => {
2769 id => "infobox",
2770 title => "Look",
2771 reply => undef,
2772 tooltip => "What you saw there",
2773 },
2774 "c/who" => {
2775 id => "infobox",
2776 title => "Players",
2777 reply => undef,
2778 tooltip => "Shows players who are currently online",
2779 },
2780 "c/body" => {
2781 id => "infobox",
2782 title => "Body Parts",
2783 reply => undef,
2784 tooltip => "Shows which body parts you posess and are available",
2785 },
2786 "c/statistics" => {
2787 id => "infobox",
2788 title => "Statistics",
2789 reply => undef,
2790 tooltip => "Shows your primary statistics",
2791 },
2792 "c/skills" => {
2793 id => "infobox",
2794 title => "Skills",
2795 reply => undef,
2796 tooltip => "Shows your experience per skill and item power",
2797 },
2798 "c/shopitems" => {
2799 id => "infobox",
2800 title => "Shop Items",
2801 reply => undef,
2802 tooltip => "Shows the items currently for sale in this shop",
2803 },
2804 "c/resistances" => {
2805 id => "infobox",
2806 title => "Resistances",
2807 reply => undef,
2808 tooltip => "Shows your resistances",
2809 },
2810 "c/pets" => {
2811 id => "infobox",
2812 title => "Pets",
2813 reply => undef,
2814 tooltip => "Shows information abotu your pets/a specific pet",
2815 },
2816 "c/perceiveself" => {
2817 id => "infobox",
2818 title => "Perceive Self",
2819 reply => undef,
2820 tooltip => "You gained detailed knowledge about yourself",
2821 },
2822 "c/uptime" => {
2823 id => "infobox",
2824 title => "Uptime",
2825 reply => undef,
2826 tooltip => "How long the server has been running since last restart",
2827 },
2828 "c/mapinfo" => {
2829 id => "infobox",
2830 title => "Map Info",
2831 reply => undef,
2832 tooltip => "Information related to the maps",
2833 },
2834 "c/party" => {
2835 id => "party",
2836 title => "Party",
2837 reply => "gsay ",
2838 tooltip => "Messages and chat related to your party",
2839 },
2840 "c/death" => {
2841 id => "death",
2842 title => "Death",
2843 reply => undef,
2844 tooltip => "Reason for and more info about your most recent death",
2845 },
2846 "c/say" => $SAY_CHANNEL,
2847 "c/chat" => $CHAT_CHANNEL,
2848);
2849
2850sub cf::client::send_msg {
2851 my ($self, $channel, $msg, $color, @extra) = @_;
2852
2853 $msg = $self->pl->expand_cfpod ($msg)
2854 unless $color & cf::NDI_VERBATIM;
2855
2856 $color &= cf::NDI_CLIENT_MASK; # just in case...
2857
2858 # check predefined channels, for the benefit of C
2859 if ($CHANNEL{$channel}) {
2860 $channel = $CHANNEL{$channel};
2861
2862 $self->ext_msg (channel_info => $channel);
2863 $channel = $channel->{id};
2864
2865 } elsif (ref $channel) {
2866 # send meta info to client, if not yet sent
2867 unless (exists $self->{channel}{$channel->{id}}) {
2868 $self->{channel}{$channel->{id}} = $channel;
2869 $self->ext_msg (channel_info => $channel);
2870 }
2871
2872 $channel = $channel->{id};
2873 }
2874
2875 return unless @extra || length $msg;
2876
2877 # default colour, mask it out
2878 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879 if $color & cf::NDI_DEF;
2880
2881 my $pkt = "msg "
2882 . $self->{json_coder}->encode (
2883 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2884 );
2885
2886 # try lzf for large packets
2887 $pkt = "lzf " . Compress::LZF::compress $pkt
2888 if 1024 <= length $pkt and $self->{can_lzf};
2889
2890 # split very large packets
2891 if (8192 < length $pkt and $self->{can_lzf}) {
2892 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2893 $pkt = "frag";
2894 }
2895
2896 $self->send_packet ($pkt);
2897}
2898
2104=item $client->ext_event ($type, %msg) 2899=item $client->ext_msg ($type, @msg)
2105 2900
2106Sends an exti event to the client. 2901Sends an ext event to the client.
2107 2902
2108=cut 2903=cut
2109 2904
2110sub cf::client::ext_event($$%) { 2905sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2906 my ($self, $type, @msg) = @_;
2112 2907
2908 if ($self->extcmd == 2) {
2909 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2910 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2911 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2912 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2913 }
2914}
2915
2916=item $client->ext_reply ($msgid, @msg)
2917
2918Sends an ext reply to the client.
2919
2920=cut
2921
2922sub cf::client::ext_reply($$@) {
2923 my ($self, $id, @msg) = @_;
2924
2925 if ($self->extcmd == 2) {
2926 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2927 } elsif ($self->extcmd == 1) {
2928 #TODO: version 1, remove
2929 unshift @msg, msgtype => "reply", msgid => $id;
2930 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2931 }
2115} 2932}
2116 2933
2117=item $success = $client->query ($flags, "text", \&cb) 2934=item $success = $client->query ($flags, "text", \&cb)
2118 2935
2119Queues a query to the client, calling the given callback with 2936Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2937the 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>. 2938C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2939
2123Queries can fail, so check the return code. Or don't, as queries will become 2940Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2941become reliable at some point in the future.
2125 2942
2126=cut 2943=cut
2127 2944
2128sub cf::client::query { 2945sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2946 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 2954 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2955 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2956
2140 $self->send_packet ($self->{query_queue}[0][0]) 2957 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2958 if @{ $self->{query_queue} } == 1;
2959
2960 1
2142} 2961}
2143 2962
2144cf::client->attach ( 2963cf::client->attach (
2964 on_connect => sub {
2965 my ($ns) = @_;
2966
2967 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2968 },
2145 on_reply => sub { 2969 on_reply => sub {
2146 my ($ns, $msg) = @_; 2970 my ($ns, $msg) = @_;
2147 2971
2148 # this weird shuffling is so that direct followup queries 2972 # this weird shuffling is so that direct followup queries
2149 # get handled first 2973 # get handled first
… …
2161 } else { 2985 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2986 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2987 }
2164 } 2988 }
2165 }, 2989 },
2990 on_exticmd => sub {
2991 my ($ns, $buf) = @_;
2992
2993 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2994
2995 if (ref $msg) {
2996 my ($type, $reply, @payload) =
2997 "ARRAY" eq ref $msg
2998 ? @$msg
2999 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3000
3001 my @reply;
3002
3003 if (my $cb = $EXTICMD{$type}) {
3004 @reply = $cb->($ns, @payload);
3005 }
3006
3007 $ns->ext_reply ($reply, @reply)
3008 if $reply;
3009
3010 } else {
3011 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3012 }
3013
3014 cf::override;
3015 },
2166); 3016);
2167 3017
2168=item $client->async (\&cb) 3018=item $client->async (\&cb)
2169 3019
2170Create a new coroutine, running the specified callback. The coroutine will 3020Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3061our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3062our $safe_hole = new Safe::Hole;
2213 3063
2214$SIG{FPE} = 'IGNORE'; 3064$SIG{FPE} = 'IGNORE';
2215 3065
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3066$safe->permit_only (Opcode::opset qw(
3067 :base_core :base_mem :base_orig :base_math
3068 grepstart grepwhile mapstart mapwhile
3069 sort time
3070));
2217 3071
2218# here we export the classes and methods available to script code 3072# here we export the classes and methods available to script code
2219 3073
2220=pod 3074=pod
2221 3075
2222The following functions and methods are available within a safe environment: 3076The following functions and methods are available within a safe environment:
2223 3077
2224 cf::object contr pay_amount pay_player map 3078 cf::object
3079 contr pay_amount pay_player map x y force_find force_add destroy
3080 insert remove name archname title slaying race decrease split
3081 value
3082
2225 cf::object::player player 3083 cf::object::player
2226 cf::player peaceful 3084 player
2227 cf::map trigger 3085
3086 cf::player
3087 peaceful
3088
3089 cf::map
3090 trigger
2228 3091
2229=cut 3092=cut
2230 3093
2231for ( 3094for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3095 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3096 insert remove inv nrof name archname title slaying race
3097 decrease split destroy change_exp value msg lore send_msg)],
2233 ["cf::object::player" => qw(player)], 3098 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3099 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3100 ["cf::map" => qw(trigger)],
2236) { 3101) {
2237 no strict 'refs'; 3102 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3103 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3104 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2256 my ($code, %vars) = @_; 3121 my ($code, %vars) = @_;
2257 3122
2258 my $qcode = $code; 3123 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3124 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3125 $qcode =~ s/\n/\\n/g;
3126
3127 %vars = (_dummy => 0) unless %vars;
2261 3128
2262 local $_; 3129 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars; 3130 local @safe::cf::_safe_eval_args = values %vars;
2264 3131
2265 my $eval = 3132 my $eval =
… …
2308=back 3175=back
2309 3176
2310=cut 3177=cut
2311 3178
2312############################################################################# 3179#############################################################################
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 $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3180# the server's init and main functions
2486 3181
2487sub load_facedata($) { 3182sub load_facedata($) {
2488 my ($path) = @_; 3183 my ($path) = @_;
3184
3185 # HACK to clear player env face cache, we need some signal framework
3186 # for this (global event?)
3187 %ext::player_env::MUSIC_FACE_CACHE = ();
3188
3189 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3190
2490 warn "loading facedata from $path\n"; 3191 warn "loading facedata from $path\n";
2491 3192
2492 my $facedata; 3193 my $facedata;
2493 0 < aio_load $path, $facedata 3194 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3197 $facedata = Coro::Storable::thaw $facedata;
2497 3198
2498 $facedata->{version} == 2 3199 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3200 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3201
3202 # patch in the exptable
3203 $facedata->{resource}{"res/exp_table"} = {
3204 type => FT_RSRC,
3205 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3206 };
3207 cf::cede_to_tick;
3208
2501 { 3209 {
2502 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
2503 3211
2504 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3216 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3219
3220 cf::cede_to_tick;
2510 } 3221 }
2511 3222
2512 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
2514 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
2515 or next; 3227 or next;
3228
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3230 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3232 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3234 }
2521 Coro::cede; 3235
3236 cf::cede_to_tick;
2522 } 3237 }
2523 } 3238 }
2524 3239
2525 { 3240 {
2526 my $anims = $facedata->{animinfo}; 3241 my $anims = $facedata->{animinfo};
2527 3242
2528 while (my ($anim, $info) = each %$anims) { 3243 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3244 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3245 cf::cede_to_tick;
2531 } 3246 }
2532 3247
2533 cf::anim::invalidate_all; # d'oh 3248 cf::anim::invalidate_all; # d'oh
2534 } 3249 }
2535 3250
3251 {
3252 # TODO: for gcfclient pleasure, we should give resources
3253 # that gcfclient doesn't grok a >10000 face index.
3254 my $res = $facedata->{resource};
3255
3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259 my $data;
3260
3261 if ($info->{type} & 1) {
3262 # prepend meta info
3263
3264 my $meta = $enc->encode ({
3265 name => $name,
3266 %{ $info->{meta} || {} },
3267 });
3268
3269 $data = pack "(w/a*)*", $meta, $info->{data};
3270 } else {
3271 $data = $info->{data};
3272 }
3273
3274 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275 cf::face::set_type $idx, $info->{type};
3276 } else {
3277 $RESOURCE{$name} = $info;
3278 }
3279
3280 cf::cede_to_tick;
3281 }
3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285
2536 1 3286 1
2537} 3287}
2538 3288
3289cf::global->attach (on_resource_update => sub {
3290 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294 my $sound = $soundconf->{compat}[$_]
3295 or next;
3296
3297 my $face = cf::face::find "sound/$sound->[1]";
3298 cf::sound::set $sound->[0] => $face;
3299 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300 }
3301
3302 while (my ($k, $v) = each %{$soundconf->{event}}) {
3303 my $face = cf::face::find "sound/$v";
3304 cf::sound::set $k => $face;
3305 }
3306 }
3307});
3308
3309register_exticmd fx_want => sub {
3310 my ($ns, $want) = @_;
3311
3312 while (my ($k, $v) = each %$want) {
3313 $ns->fx_want ($k, $v);
3314 }
3315};
3316
3317sub load_resource_file($) {
3318 my $guard = lock_acquire "load_resource_file";
3319
3320 my $status = load_resource_file_ $_[0];
3321 get_slot 0.1, 100;
3322 cf::arch::commit_load;
3323
3324 $status
3325}
3326
2539sub reload_regions { 3327sub reload_regions {
3328 # HACK to clear player env face cache, we need some signal framework
3329 # for this (global event?)
3330 %ext::player_env::MUSIC_FACE_CACHE = ();
3331
2540 load_resource_file "$MAPDIR/regions" 3332 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3333 or die "unable to load regions file\n";
3334
3335 for (cf::region::list) {
3336 $_->{match} = qr/$_->{match}/
3337 if exists $_->{match};
3338 }
2542} 3339}
2543 3340
2544sub reload_facedata { 3341sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3342 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3343 or die "unable to load facedata\n";
… …
2557} 3354}
2558 3355
2559sub reload_resources { 3356sub reload_resources {
2560 warn "reloading resource files...\n"; 3357 warn "reloading resource files...\n";
2561 3358
2562 reload_regions;
2563 reload_facedata; 3359 reload_facedata;
2564 reload_archetypes; 3360 reload_archetypes;
3361 reload_regions;
2565 reload_treasures; 3362 reload_treasures;
2566 3363
2567 warn "finished reloading resource files\n"; 3364 warn "finished reloading resource files\n";
2568} 3365}
2569 3366
2570sub init { 3367sub reload_config {
2571 reload_resources;
2572}
2573
2574sub cfg_load {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3369 or return;
2577 3370
2578 local $/; 3371 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
2580 3373
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3375
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3376 $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}; 3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2590 }; 3383 };
2591 warn $@ if $@; 3384 warn $@ if $@;
2592 } 3385 }
2593} 3386}
2594 3387
3388sub pidfile() {
3389 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3390 or die "$PIDFILE: $!";
3391 flock $fh, &Fcntl::LOCK_EX
3392 or die "$PIDFILE: flock: $!";
3393 $fh
3394}
3395
3396# make sure only one server instance is running at any one time
3397sub atomic {
3398 my $fh = pidfile;
3399
3400 my $pid = <$fh>;
3401 kill 9, $pid if $pid > 0;
3402
3403 seek $fh, 0, 0;
3404 print $fh $$;
3405}
3406
3407sub main_loop {
3408 warn "EV::loop starting\n";
3409 if (1) {
3410 EV::loop;
3411 }
3412 warn "EV::loop returned\n";
3413 goto &main_loop unless $REALLY_UNLOOP;
3414}
3415
2595sub main { 3416sub main {
3417 cf::init_globals; # initialise logging
3418
3419 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3420 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3421 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3422 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3423
3424 cf::init_experience;
3425 cf::init_anim;
3426 cf::init_attackmess;
3427 cf::init_dynamic;
3428
3429 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3430
2596 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3434 (async {
2600 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2602 }; 3438 };
2603 3439
2604 cfg_load; 3440 evthread_start IO::AIO::poll_fileno;
3441
3442 cf::sync_job {
3443 reload_resources;
3444 reload_config;
2605 db_init; 3445 db_init;
3446
3447 cf::load_settings;
3448 cf::load_materials;
3449 cf::init_uuid;
3450 cf::init_signals;
3451 cf::init_commands;
3452 cf::init_skills;
3453
3454 cf::init_beforeplay;
3455
3456 atomic;
3457
2606 load_extensions; 3458 load_extensions;
2607 3459
2608 $TICK_WATCHER->start; 3460 utime time, time, $RUNTIMEFILE;
2609 Event::loop; 3461
3462 # no (long-running) fork's whatsoever before this point(!)
3463 use POSIX ();
3464 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3465
3466 (pop @POST_INIT)->(0) while @POST_INIT;
3467 };
3468
3469 main_loop;
2610} 3470}
2611 3471
2612############################################################################# 3472#############################################################################
2613# initialisation and cleanup 3473# initialisation and cleanup
2614 3474
2615# install some emergency cleanup handlers 3475# install some emergency cleanup handlers
2616BEGIN { 3476BEGIN {
3477 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3478 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3479 $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"; 3480 cf::cleanup "SIG$signal";
2625 },
2626 ); 3481 };
3482 }
3483}
3484
3485sub write_runtime_sync {
3486 # first touch the runtime file to show we are still running:
3487 # the fsync below can take a very very long time.
3488
3489 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3490
3491 my $guard = cf::lock_acquire "write_runtime";
3492
3493 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3494 or return;
3495
3496 my $value = $cf::RUNTIME + 90 + 10;
3497 # 10 is the runtime save interval, for a monotonic clock
3498 # 60 allows for the watchdog to kill the server.
3499
3500 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3501 and return;
3502
3503 # always fsync - this file is important
3504 aio_fsync $fh
3505 and return;
3506
3507 # touch it again to show we are up-to-date
3508 aio_utime $fh, undef, undef;
3509
3510 close $fh
3511 or return;
3512
3513 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3514 and return;
3515
3516 warn "runtime file written.\n";
3517
2627 } 3518 1
3519}
3520
3521our $uuid_lock;
3522our $uuid_skip;
3523
3524sub write_uuid_sync($) {
3525 $uuid_skip ||= $_[0];
3526
3527 return if $uuid_lock;
3528 local $uuid_lock = 1;
3529
3530 my $uuid = "$LOCALDIR/uuid";
3531
3532 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3533 or return;
3534
3535 my $value = uuid_seq uuid_cur;
3536
3537 unless ($value) {
3538 warn "cowardly refusing to write zero uuid value!\n";
3539 return;
3540 }
3541
3542 my $value = uuid_str $value + $uuid_skip;
3543 $uuid_skip = 0;
3544
3545 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3546 and return;
3547
3548 # always fsync - this file is important
3549 aio_fsync $fh
3550 and return;
3551
3552 close $fh
3553 or return;
3554
3555 aio_rename "$uuid~", $uuid
3556 and return;
3557
3558 warn "uuid file written ($value).\n";
3559
3560 1
3561
3562}
3563
3564sub write_uuid($$) {
3565 my ($skip, $sync) = @_;
3566
3567 $sync ? write_uuid_sync $skip
3568 : async { write_uuid_sync $skip };
2628} 3569}
2629 3570
2630sub emergency_save() { 3571sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3572 my $freeze_guard = cf::freeze_mainloop;
2632 3573
2633 warn "enter emergency perl save\n"; 3574 warn "emergency_perl_save: enter\n";
2634 3575
2635 cf::sync_job { 3576 cf::sync_job {
3577 # this is a trade-off: we want to be very quick here, so
3578 # save all maps without fsync, and later call a global sync
3579 # (which in turn might be very very slow)
3580 local $USE_FSYNC = 0;
3581
2636 # use a peculiar iteration method to avoid tripping on perl 3582 # use a peculiar iteration method to avoid tripping on perl
2637 # refcount bugs in for. also avoids problems with players 3583 # refcount bugs in for. also avoids problems with players
2638 # and maps saved/destroyed asynchronously. 3584 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3585 warn "emergency_perl_save: begin player save\n";
2640 for my $login (keys %cf::PLAYER) { 3586 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3587 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3588 $pl->valid or next;
3589 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3590 $pl->save;
2644 } 3591 }
2645 warn "end emergency player save\n"; 3592 warn "emergency_perl_save: end player save\n";
2646 3593
2647 warn "begin emergency map save\n"; 3594 warn "emergency_perl_save: begin map save\n";
2648 for my $path (keys %cf::MAP) { 3595 for my $path (keys %cf::MAP) {
2649 my $map = $cf::MAP{$path} or next; 3596 my $map = $cf::MAP{$path} or next;
2650 $map->valid or next; 3597 $map->valid or next;
2651 $map->save; 3598 $map->save;
2652 } 3599 }
2653 warn "end emergency map save\n"; 3600 warn "emergency_perl_save: end map save\n";
2654 3601
2655 warn "begin emergency database checkpoint\n"; 3602 warn "emergency_perl_save: begin database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3604 warn "emergency_perl_save: end database checkpoint\n";
3605
3606 warn "emergency_perl_save: begin write uuid\n";
3607 write_uuid_sync 1;
3608 warn "emergency_perl_save: end write uuid\n";
2658 }; 3609 };
2659 3610
3611 warn "emergency_perl_save: starting sync()\n";
3612 IO::AIO::aio_sync sub {
3613 warn "emergency_perl_save: finished sync()\n";
3614 };
3615
2660 warn "leave emergency perl save\n"; 3616 warn "emergency_perl_save: leave\n";
2661} 3617}
2662 3618
2663sub post_cleanup { 3619sub post_cleanup {
2664 my ($make_core) = @_; 3620 my ($make_core) = @_;
2665 3621
2666 warn Carp::longmess "post_cleanup backtrace" 3622 warn Carp::longmess "post_cleanup backtrace"
2667 if $make_core; 3623 if $make_core;
3624
3625 my $fh = pidfile;
3626 unlink $PIDFILE if <$fh> == $$;
3627}
3628
3629# a safer delete_package, copied from Symbol
3630sub clear_package($) {
3631 my $pkg = shift;
3632
3633 # expand to full symbol table name if needed
3634 unless ($pkg =~ /^main::.*::$/) {
3635 $pkg = "main$pkg" if $pkg =~ /^::/;
3636 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3637 $pkg .= '::' unless $pkg =~ /::$/;
3638 }
3639
3640 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3641 my $stem_symtab = *{$stem}{HASH};
3642
3643 defined $stem_symtab and exists $stem_symtab->{$leaf}
3644 or return;
3645
3646 # clear all symbols
3647 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3648 for my $name (keys %$leaf_symtab) {
3649 _gv_clear *{"$pkg$name"};
3650# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3651 }
3652 warn "cleared package $pkg\n";#d#
2668} 3653}
2669 3654
2670sub do_reload_perl() { 3655sub do_reload_perl() {
2671 # can/must only be called in main 3656 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3657 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3658 warn "can only reload from main coroutine";
2674 return; 3659 return;
2675 } 3660 }
2676 3661
3662 return if $RELOAD++;
3663
3664 my $t1 = EV::time;
3665
3666 while ($RELOAD) {
2677 warn "reloading..."; 3667 warn "reloading...";
2678 3668
2679 warn "entering sync_job"; 3669 warn "entering sync_job";
2680 3670
2681 cf::sync_job { 3671 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3672 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3673 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3674 cf::write_runtime_sync; # external watchdog should not bark
2685 3675
2686 warn "syncing database to disk"; 3676 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3677 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3678
2689 # if anything goes wrong in here, we should simply crash as we already saved 3679 # if anything goes wrong in here, we should simply crash as we already saved
2690 3680
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"; 3681 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; 3682 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3683 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 } 3684 }
2727 3685
2728 warn "... nuking $pkg"; 3686 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3687 $_->cancel for values %EXT_CORO;
2730 } 3688 %EXT_CORO = ();
2731 3689
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3690 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3691 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3692
3693 warn "removing ext/exti commands";
3694 %EXTCMD = ();
3695 %EXTICMD = ();
3696
3697 warn "unloading/nuking all extensions";
3698 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3699 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3700
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3701 if (my $cb = $pkg->can ("unload")) {
3702 eval {
2743 $cb->(); 3703 $cb->($pkg);
3704 1
3705 } or warn "$pkg unloaded, but with errors: $@";
3706 }
3707
3708 warn "... clearing $pkg";
3709 clear_package $pkg;
2744 } 3710 }
2745 3711
2746 Symbol::delete_package $k; 3712 warn "unloading all perl modules loaded from $LIBDIR";
3713 while (my ($k, $v) = each %INC) {
3714 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3715
3716 warn "... unloading $k";
3717 delete $INC{$k};
3718
3719 $k =~ s/\.pm$//;
3720 $k =~ s/\//::/g;
3721
3722 if (my $cb = $k->can ("unload_module")) {
3723 $cb->();
3724 }
3725
3726 clear_package $k;
2747 } 3727 }
2748 3728
2749 warn "getting rid of safe::, as good as possible"; 3729 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3730 clear_package "safe::$_"
2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3731 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752 3732
2753 warn "unloading cf.pm \"a bit\""; 3733 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3734 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3735 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756 3736
2757 # don't, removes xs symbols, too, 3737 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3738 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3739 #clear_package __PACKAGE__;
2760 3740
2761 warn "unload completed, starting to reload now"; 3741 warn "unload completed, starting to reload now";
2762 3742
2763 warn "reloading cf.pm"; 3743 warn "reloading cf.pm";
2764 require cf; 3744 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3745 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3746
2767 warn "loading config and database again"; 3747 warn "loading config and database again";
2768 cf::cfg_load; 3748 cf::reload_config;
2769 3749
2770 warn "loading extensions"; 3750 warn "loading extensions";
2771 cf::load_extensions; 3751 cf::load_extensions;
2772 3752
3753 if ($REATTACH_ON_RELOAD) {
2773 warn "reattaching attachments to objects/players"; 3754 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3755 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3756 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3757 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3758 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3759 reattach $_ for values %PLAYER;
3760 }
2779 3761
3762 warn "running post_init jobs";
3763 (pop @POST_INIT)->(1) while @POST_INIT;
3764
2780 warn "leaving sync_job"; 3765 warn "leaving sync_job";
2781 3766
2782 1 3767 1
2783 } or do { 3768 } or do {
2784 warn $@; 3769 warn $@;
2785 warn "error while reloading, exiting."; 3770 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3771 };
2788 3772
2789 warn "reloaded"; 3773 warn "reloaded";
3774 --$RELOAD;
3775 }
3776
3777 $t1 = EV::time - $t1;
3778 warn "reload completed in ${t1}s\n";
2790}; 3779};
2791 3780
2792our $RELOAD_WATCHER; # used only during reload 3781our $RELOAD_WATCHER; # used only during reload
2793 3782
2794sub reload_perl() { 3783sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3784 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3785 # coro crashes during coro_state_free->destroy here.
2797 3786
2798 $RELOAD_WATCHER ||= Event->timer ( 3787 $RELOAD_WATCHER ||= cf::async {
2799 reentrant => 0, 3788 Coro::AIO::aio_wait cache_extensions;
2800 after => 0, 3789
2801 data => WF_AUTOCANCEL, 3790 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802 cb => sub {
2803 do_reload_perl; 3791 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3792 undef $RELOAD_WATCHER;
2805 }, 3793 };
2806 ); 3794 };
2807} 3795}
2808 3796
2809register_command "reload" => sub { 3797register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3798 my ($who, $arg) = @_;
2811 3799
2812 if ($who->flag (FLAG_WIZ)) { 3800 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3801 $who->message ("reloading server.");
3802 async {
3803 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3804 reload_perl;
3805 };
2815 } 3806 }
2816}; 3807};
2817 3808
2818unshift @INC, $LIBDIR; 3809unshift @INC, $LIBDIR;
2819 3810
… …
2821 3812
2822our @WAIT_FOR_TICK; 3813our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3814our @WAIT_FOR_TICK_BEGIN;
2824 3815
2825sub wait_for_tick { 3816sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3817 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3818
2829 my $signal = new Coro::Signal; 3819 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3820 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3821 $signal->wait;
2832} 3822}
2833 3823
2834sub wait_for_tick_begin { 3824sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3825 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3826
2838 my $signal = new Coro::Signal; 3827 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3828 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3829 $signal->wait;
2841} 3830}
2842 3831
2843 my $min = 1e6;#d# 3832sub 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) { 3833 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3834 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3835 unless ++$bug_warning > 10;
2855 return; 3836 return;
2856 } 3837 }
2857 3838
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3839 cf::server_tick; # one server iteration
2861 3840
2862 0 && sync_job {#d# 3841 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3842 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3843 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3844 $Coro::current->{desc} = "runtime saver";
2866 or die; 3845 write_runtime_sync
2867 3846 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 }; 3847 };
3848 }
2884 3849
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) { 3850 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3851 $sig->send;
2901 } 3852 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3853 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3854 $sig->send;
2904 } 3855 }
2905 3856
2906 $NOW = Event::time; 3857 $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; 3858 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3859
2917 _post_tick; 3860 if (0) {
2918 3861 if ($NEXT_TICK) {
2919 3862 my $jitter = $TICK_START - $NEXT_TICK;
3863 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3864 warn "jitter $JITTER\n";#d#
3865 }
2920 }, 3866 }
2921); 3867}
2922 3868
2923{ 3869{
2924 BDB::max_poll_time $TICK * 0.1; 3870 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3871
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; 3872 BDB::min_parallel 8;
2934 3873 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3874 $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 3875
2950 unless ($DB_ENV) { 3876 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3877 $DB_ENV = BDB::db_env_create;
3878 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3879 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3880 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3881 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3882 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3883
2953 cf::sync_job { 3884 cf::sync_job {
2954 eval { 3885 eval {
2955 BDB::db_env_open 3886 BDB::db_env_open
2956 $DB_ENV, 3887 $DB_ENV,
… …
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3889 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3890 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3891 0666;
2961 3892
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3893 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 }; 3894 };
2967 3895
2968 cf::cleanup "db_env_open(db): $@" if $@; 3896 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3897 };
2970 } 3898 }
3899
3900 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3901 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3902 };
3903 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3904 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3905 };
3906 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3907 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3908 };
2971} 3909}
2972 3910
2973{ 3911{
3912 # configure IO::AIO
3913
2974 IO::AIO::min_parallel 8; 3914 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3915 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3916 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} 3917}
2987 3918
2988my $_log_backtrace; 3919my $_log_backtrace;
2989 3920
2990sub _log_backtrace { 3921sub _log_backtrace {
… …
2993 $msg =~ s/\n//; 3924 $msg =~ s/\n//;
2994 3925
2995 # limit the # of concurrent backtraces 3926 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3927 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3928 ++$_log_backtrace;
3929 my $perl_bt = Carp::longmess $msg;
2998 async { 3930 async {
3931 $Coro::current->{desc} = "abt $msg";
3932
2999 my @bt = fork_call { 3933 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3934 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3935 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3936 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3937 or die "addr2line: $!";
… …
3011 } 3945 }
3012 3946
3013 @funcs 3947 @funcs
3014 }; 3948 };
3015 3949
3016 LOG llevInfo, "[ABT] $msg\n"; 3950 LOG llevInfo, "[ABT] $perl_bt\n";
3951 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt; 3952 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace; 3953 --$_log_backtrace;
3019 }; 3954 };
3020 } else { 3955 } else {
3021 LOG llevInfo, "[ABT] $msg\n"; 3956 LOG llevInfo, "[ABT] $msg\n";
3022 LOG llevInfo, "[ABT] [suppressed]\n"; 3957 LOG llevInfo, "[ABT] [suppressed]\n";
3023 } 3958 }
3024} 3959}
3025 3960
3026# load additional modules 3961# load additional modules
3027use cf::pod; 3962require "cf/$_.pm" for @EXTRA_MODULES;
3028 3963
3029END { cf::emergency_save } 3964END { cf::emergency_save }
3030 3965
30311 39661
3032 3967

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