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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 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';
197for my $pkg (qw( 262for my $pkg (qw(
198 cf::global cf::attachable 263 cf::global cf::attachable
199 cf::object cf::object::player 264 cf::object cf::object::player
200 cf::client cf::player 265 cf::client cf::player
201 cf::arch cf::living 266 cf::arch cf::living
267 cf::map cf::mapspace
202 cf::map cf::party cf::region 268 cf::party cf::region
203)) { 269)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 270 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 271}
207 272
208$Event::DIED = sub { 273$EV::DIED = sub {
209 warn "error in event callback: @_"; 274 warn "error in event callback: @_";
210}; 275};
276
277#############################################################################
211 278
212=head2 UTILITY FUNCTIONS 279=head2 UTILITY FUNCTIONS
213 280
214=over 4 281=over 4
215 282
234 $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;
235 $d 302 $d
236 } || "[unable to dump $_[0]: '$@']"; 303 } || "[unable to dump $_[0]: '$@']";
237} 304}
238 305
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 306=item $ref = cf::decode_json $json
242 307
243Converts a JSON string into the corresponding perl data structure. 308Converts a JSON string into the corresponding perl data structure.
244 309
245=item $json = cf::to_json $ref 310=item $json = cf::encode_json $ref
246 311
247Converts a perl data structure into its JSON representation. 312Converts a perl data structure into its JSON representation.
248 313
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
249=item cf::lock_wait $string 335=item cf::lock_wait $string
250 336
251Wait until the given lock is available. See cf::lock_acquire. 337Wait until the given lock is available. See cf::lock_acquire.
252 338
253=item my $lock = cf::lock_acquire $string 339=item my $lock = cf::lock_acquire $string
254 340
255Wait 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
256a 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,
257for example when the coroutine gets canceled), the lock is automatically 343for example when the coroutine gets canceled), the lock is automatically
258returned. 344returned.
259 345
346Locks are *not* recursive, locking from the same coro twice results in a
347deadlocked coro.
348
260Lock 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
261uses map_find and cf::map::load uses map_load). 350uses map_find and cf::map::load uses map_load).
262 351
263=item $locked = cf::lock_active $string 352=item $locked = cf::lock_active $string
264 353
265Return 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.
266 355
267=cut 356=cut
268 357
269our %LOCK; 358our $LOCKS = new Coro::SemaphoreSet;
270 359
271sub lock_wait($) { 360sub lock_wait($) {
272 my ($key) = @_; 361 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 362}
280 363
281sub lock_acquire($) { 364sub lock_acquire($) {
282 my ($key) = @_; 365 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 366}
294 367
295sub lock_active($) { 368sub lock_active($) {
296 my ($key) = @_; 369 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 370}
300 371
301sub freeze_mainloop { 372sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 373 tick_inhibit_inc;
303 374
304 my $guard = Coro::guard { 375 &Guard::guard (\&tick_inhibit_dec);
305 $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($$) {
386 my ($interval, $cb) = @_;
387
388 my $start = rand List::Util::min 180, $interval;
389
390 EV::periodic $start, $interval, 0, $cb
391}
392
393=item cf::get_slot $time[, $priority[, $name]]
394
395Allocate $time seconds of blocking CPU time at priority C<$priority>:
396This call blocks and returns only when you have at least C<$time> seconds
397of cpu time till the next tick. The slot is only valid till the next cede.
398
399The optional C<$name> can be used to identify the job to run. It might be
400used for statistical purposes and should identify the same time-class.
401
402Useful for short background jobs.
403
404=cut
405
406our @SLOT_QUEUE;
407our $SLOT_QUEUE;
408
409$SLOT_QUEUE->cancel if $SLOT_QUEUE;
410$SLOT_QUEUE = Coro::async {
411 $Coro::current->desc ("timeslot manager");
412
413 my $signal = new Coro::Signal;
414
415 while () {
416 next_job:
417 my $avail = cf::till_tick;
418 if ($avail > 0.01) {
419 for (0 .. $#SLOT_QUEUE) {
420 if ($SLOT_QUEUE[$_][0] < $avail) {
421 my $job = splice @SLOT_QUEUE, $_, 1, ();
422 $job->[2]->send;
423 Coro::cede;
424 goto next_job;
425 }
426 }
427 }
428
429 if (@SLOT_QUEUE) {
430 # we do not use wait_for_tick() as it returns immediately when tick is inactive
431 push @cf::WAIT_FOR_TICK, $signal;
432 $signal->wait;
433 } else {
434 Coro::schedule;
435 }
306 }; 436 }
307 $TICK_WATCHER->stop; 437};
308 $guard 438
439sub get_slot($;$$) {
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 $sig->wait;
309} 451}
310 452
311=item cf::async { BLOCK } 453=item cf::async { BLOCK }
312 454
313Currently the same as Coro::async_pool, meaning you cannot use 455Currently the same as Coro::async_pool, meaning you cannot use
318 460
319BEGIN { *async = \&Coro::async_pool } 461BEGIN { *async = \&Coro::async_pool }
320 462
321=item cf::sync_job { BLOCK } 463=item cf::sync_job { BLOCK }
322 464
323The design of crossfire+ requires that the main coro ($Coro::main) is 465The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 466is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 467partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
468acceptable.
326 469
327If it must be done, put the blocking parts into C<sync_job>. This will run 470If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 471the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 472server will be frozen during this time, so the block should either finish
330fast or be very important. 473fast or be very important.
333 476
334sub sync_job(&) { 477sub sync_job(&) {
335 my ($job) = @_; 478 my ($job) = @_;
336 479
337 if ($Coro::current == $Coro::main) { 480 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 481 my $time = EV::time;
339 482
340 # this is the main coro, too bad, we have to block 483 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 484 # till the operation succeeds, freezing the server :/
342 485
343 # TODO: use suspend/resume instead 486 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 487
345 my $freeze_guard = freeze_mainloop; 488 my $freeze_guard = freeze_mainloop;
346 489
347 my $busy = 1; 490 my $busy = 1;
348 my @res; 491 my @res;
349 492
350 (async { 493 (async {
494 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 495 @res = eval { $job->() };
352 warn $@ if $@; 496 warn $@ if $@;
353 undef $busy; 497 undef $busy;
354 })->prio (Coro::PRIO_MAX); 498 })->prio (Coro::PRIO_MAX);
355 499
356 while ($busy) { 500 while ($busy) {
357 Coro::cede or Event::one_event; 501 if (Coro::nready) {
502 Coro::cede_notself;
503 } else {
504 EV::loop EV::LOOP_ONESHOT;
358 } 505 }
506 }
359 507
360 $time = Event::time - $time; 508 my $time = EV::time - $time;
361 509
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 510 $TICK_START += $time; # do not account sync jobs to server load
366 511
367 wantarray ? @res : $res[0] 512 wantarray ? @res : $res[0]
368 } else { 513 } else {
369 # we are in another coroutine, how wonderful, everything just works 514 # we are in another coroutine, how wonderful, everything just works
370 515
390 $EXT_CORO{$coro+0} = $coro; 535 $EXT_CORO{$coro+0} = $coro;
391 536
392 $coro 537 $coro
393} 538}
394 539
395sub write_runtime { 540=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 541
398 # first touch the runtime file to show we are still running: 542Executes the given code block with the given arguments in a seperate
399 # 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.
400 546
401 IO::AIO::aio_utime $runtime, undef, undef; 547=cut
402 548
403 my $guard = cf::lock_acquire "write_runtime"; 549sub fork_call(&@) {
550 my ($cb, @args) = @_;
404 551
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 552 # we seemingly have to make a local copy of the whole thing,
406 or return; 553 # otherwise perl prematurely frees the stuff :/
554 # TODO: investigate and fix (likely this will be rather laborious)
407 555
408 my $value = $cf::RUNTIME + 90 + 10; 556 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 557 reset_signals;
410 # 60 allows for the watchdog to kill the server. 558 &$cb
559 }, @args;
411 560
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 561 wantarray ? @res : $res[-1]
413 and return; 562}
414 563
415 # always fsync - this file is important 564=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 565
419 # touch it again to show we are up-to-date 566=cut
420 aio_utime $fh, undef, undef;
421 567
422 close $fh 568our %coin_alias = (
423 or return; 569 "silver" => "silvercoin",
570 "silvercoin" => "silvercoin",
571 "silvercoins" => "silvercoin",
572 "gold" => "goldcoin",
573 "goldcoin" => "goldcoin",
574 "goldcoins" => "goldcoin",
575 "platinum" => "platinacoin",
576 "platinumcoin" => "platinacoin",
577 "platinumcoins" => "platinacoin",
578 "platina" => "platinacoin",
579 "platinacoin" => "platinacoin",
580 "platinacoins" => "platinacoin",
581 "royalty" => "royalty",
582 "royalties" => "royalty",
583);
424 584
425 aio_rename "$runtime~", $runtime 585sub coin_from_name($) {
426 and return; 586 $coin_alias{$_[0]}
587 ? cf::arch::find $coin_alias{$_[0]}
588 : undef
589}
427 590
428 warn "runtime file written.\n"; 591=item $value = cf::db_get $family => $key
429 592
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($$) {
633 my $key = "$_[0]/$_[1]";
634
635 cf::sync_job {
636 BDB::db_get $DB, undef, $key, my $data;
637
638 $! ? ()
639 : $data
430 1 640 }
641}
642
643sub db_put($$$) {
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"
431} 716}
432 717
433=item cf::datalog type => key => value, ... 718=item cf::datalog type => key => value, ...
434 719
435Log 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.
447 732
448############################################################################# 733#############################################################################
449 734
450=head2 ATTACHABLE OBJECTS 735=head2 ATTACHABLE OBJECTS
451 736
452Many 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
453attach callbacks/event handlers (a collection of which is called an "attachment") 738attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 739to it. All such attachable objects support the following methods.
455 740
456In 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>
457C<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
458crossfire+). 743Deliantra).
459 744
460=over 4 745=over 4
461 746
462=item $attachable->attach ($attachment, key => $value...) 747=item $attachable->attach ($attachment, key => $value...)
463 748
507=item cf::CLASS::attachment $name, ... 792=item cf::CLASS::attachment $name, ...
508 793
509Register an attachment by C<$name> through which attachable objects of the 794Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 795given CLASS can refer to this attachment.
511 796
512Some classes such as crossfire maps and objects can specify attachments 797Some classes such as deliantra maps and objects can specify attachments
513that 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.
514 799
515These calls expect any number of the following handler/hook descriptions: 800These calls expect any number of the following handler/hook descriptions:
516 801
517=over 4 802=over 4
665 _attach $registry, $klass, @attach; 950 _attach $registry, $klass, @attach;
666 } 951 }
667 952
668 $obj->{$name} = \%arg; 953 $obj->{$name} = \%arg;
669 } else { 954 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 955 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 956 }
672 957
673 $obj->{_attachment}{$name} = undef; 958 $obj->{_attachment}{$name} = undef;
674} 959}
675 960
715 "; 1000 ";
716 die if $@; 1001 die if $@;
717} 1002}
718 1003
719our $override; 1004our $override;
720our @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?
721 1006
722sub override { 1007sub override {
723 $override = 1; 1008 $override = 1;
724 @invoke_results = (); 1009 @INVOKE_RESULTS = (@_);
725} 1010}
726 1011
727sub do_invoke { 1012sub do_invoke {
728 my $event = shift; 1013 my $event = shift;
729 my $callbacks = shift; 1014 my $callbacks = shift;
730 1015
731 @invoke_results = (); 1016 @INVOKE_RESULTS = ();
732 1017
733 local $override; 1018 local $override;
734 1019
735 for (@$callbacks) { 1020 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1021 eval { &{$_->[1]} };
745 } 1030 }
746 1031
747 0 1032 0
748} 1033}
749 1034
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1035=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1036
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1037=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1038
754Generate an object-specific event with the given arguments. 1039Generate an object-specific event with the given arguments.
755 1040
756This 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
757removed 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
758results (if you must, access C<@cf::invoke_results> directly). 1043results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1044
760=back 1045=back
761 1046
762=cut 1047=cut
763 1048
764############################################################################# 1049#############################################################################
765# 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, $ob2
1092}
766 1093
767sub reattach { 1094sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1095 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1096 my ($obj) = @_;
770 1097
1098 # no longer needed after getting rid of delete_package?
771 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
772 1100
773 my $registry = $obj->registry; 1101 my $registry = $obj->registry;
774 1102
775 @$registry = (); 1103 @$registry = ();
776 1104
791cf::attachable->attach ( 1119cf::attachable->attach (
792 prio => -1000000, 1120 prio => -1000000,
793 on_instantiate => sub { 1121 on_instantiate => sub {
794 my ($obj, $data) = @_; 1122 my ($obj, $data) = @_;
795 1123
796 $data = from_json $data; 1124 $data = decode_json $data;
797 1125
798 for (@$data) { 1126 for (@$data) {
799 my ($name, $args) = @$_; 1127 my ($name, $args) = @$_;
800 1128
801 $obj->attach ($name, %{$args || {} }); 1129 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1145sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1146 my ($filename, $rdata, $objs) = @_;
819 1147
820 sync_job { 1148 sync_job {
821 if (length $$rdata) { 1149 if (length $$rdata) {
1150 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1151 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1152 $decname, length $$rdata, scalar @$objs;
824 1153
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1156 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 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 }
829 close $fh; 1161 aio_close $fh;
830 1162
831 if (@$objs) { 1163 if (@$objs) {
832 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) {
833 chmod SAVE_MODE, $fh; 1165 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1166 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1167 aio_write $fh, 0, (length $data), $data, 0;
836 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 }
837 close $fh; 1172 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1173 aio_rename "$filename.pst~", "$filename.pst";
839 } 1174 }
840 } else { 1175 } else {
841 aio_unlink "$filename.pst"; 1176 aio_unlink "$filename.pst";
842 } 1177 }
843 1178
844 aio_rename "$filename~", $filename; 1179 aio_rename "$filename~", $filename;
1180
1181 $filename =~ s%/[^/]+$%%;
1182 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1183 } else {
846 warn "FATAL: $filename~: $!\n"; 1184 warn "unable to save objects: $filename~: $!\n";
847 } 1185 }
848 } else { 1186 } else {
849 aio_unlink $filename; 1187 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1188 aio_unlink "$filename.pst";
851 } 1189 }
852 } 1190 };
853} 1191}
854 1192
855sub object_freezer_as_string { 1193sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1194 my ($rdata, $objs) = @_;
857 1195
869 or return; 1207 or return;
870 1208
871 unless (aio_stat "$filename.pst") { 1209 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1210 (aio_load "$filename.pst", $av) >= 0
873 or return; 1211 or return;
1212
874 $av = eval { (Storable::thaw $av)->{objs} }; 1213 my $st = eval { Coro::Storable::thaw $av };
1214 $av = $st->{objs};
875 } 1215 }
876 1216
1217 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1218 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1219 $decname, length $data, scalar @{$av || []};
1220
879 return ($data, $av); 1221 ($data, $av)
880} 1222}
1223
1224=head2 COMMAND CALLBACKS
1225
1226=over 4
1227
1228=cut
881 1229
882############################################################################# 1230#############################################################################
883# command handling &c 1231# command handling &c
884 1232
885=item cf::register_command $name => \&callback($ob,$args); 1233=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1246 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1247}
900 1248
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1249=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1250
903Register 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.
904 1256
905If 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
906called. 1258called.
907 1259
1260=item cf::register_exticmd $name => \&callback($ns,$packet);
1261
1262Register a callback for execution when the client sends an (asynchronous)
1263exticmd packet. Exti commands are processed by the server as soon as they
1264are received, i.e. out of order w.r.t. other commands. The first argument
1265is a client socket. Exti commands can be received anytime, even before
1266log-in.
1267
1268If the callback returns something, it is sent back as if reply was being
1269called.
1270
908=cut 1271=cut
909 1272
910sub register_extcmd { 1273sub register_extcmd {
911 my ($name, $cb) = @_; 1274 my ($name, $cb) = @_;
912 1275
913 $EXTCMD{$name} = $cb; 1276 $EXTCMD{$name} = $cb;
914} 1277}
1278
1279sub register_exticmd {
1280 my ($name, $cb) = @_;
1281
1282 $EXTICMD{$name} = $cb;
1283}
1284
1285use File::Glob ();
915 1286
916cf::player->attach ( 1287cf::player->attach (
917 on_command => sub { 1288 on_command => sub {
918 my ($pl, $name, $params) = @_; 1289 my ($pl, $name, $params) = @_;
919 1290
927 cf::override; 1298 cf::override;
928 }, 1299 },
929 on_extcmd => sub { 1300 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1301 my ($pl, $buf) = @_;
931 1302
932 my $msg = eval { from_json $buf }; 1303 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1304
934 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
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1313 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1314 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1315 }
1316
1317 $pl->ext_reply ($reply, @reply)
1318 if $reply;
1319
940 } else { 1320 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1321 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1322 }
943 1323
944 cf::override; 1324 cf::override;
945 }, 1325 },
946); 1326);
947 1327
1328# "readahead" all extensions
948sub load_extension { 1329sub cache_extensions {
949 my ($path) = @_; 1330 my $grp = IO::AIO::aio_group;
950 1331
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1332 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1333 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1334 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 } 1335 }
976 die $@;
977 } 1336 };
978 1337
979 push @EXTS, $pkg; 1338 $grp
980} 1339}
981 1340
982sub load_extensions { 1341sub load_extensions {
1342 cf::sync_job {
1343 my %todo;
1344
983 for my $ext (<$LIBDIR/*.ext>) { 1345 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1346 next unless -r $path;
985 eval { 1347
986 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 $progress = 1;
987 1 1404 }
988 } or warn "$ext not loaded: $@"; 1405
1406 skip:
1407 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1408 unless $progress;
1409 }
989 } 1410 };
990} 1411}
991 1412
992############################################################################# 1413#############################################################################
993 1414
1415=back
1416
994=head2 CORE EXTENSIONS 1417=head2 CORE EXTENSIONS
995 1418
996Functions and methods that extend core crossfire objects. 1419Functions and methods that extend core deliantra objects.
997 1420
998=cut 1421=cut
999 1422
1000package cf::player; 1423package cf::player;
1001 1424
1002use Coro::AIO; 1425use Coro::AIO;
1003 1426
1004=head3 cf::player 1427=head3 cf::player
1005 1428
1006=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}
1007 1444
1008=item cf::player::find $login 1445=item cf::player::find $login
1009 1446
1010Returns the given player object, loading it if necessary (might block). 1447Returns the given player object, loading it if necessary (might block).
1011 1448
1030 1467
1031sub exists($) { 1468sub exists($) {
1032 my ($login) = @_; 1469 my ($login) = @_;
1033 1470
1034 $cf::PLAYER{$login} 1471 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1472 or !aio_stat path $login
1036} 1473}
1037 1474
1038sub find($) { 1475sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1476 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1477 my $login = $_[0];
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1484 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1485 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1486 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1487 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1488
1052 my $pl = load_pl path $login 1489 my $f = new_from_file cf::object::thawer path $login
1053 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;
1054 $cf::PLAYER{$login} = $pl 1497 $cf::PLAYER{$login} = $pl
1055 } 1498 }
1056 } 1499 }
1057} 1500}
1058 1501
1067 return if $pl->{deny_save}; 1510 return if $pl->{deny_save};
1068 1511
1069 aio_mkdir playerdir $pl, 0770; 1512 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1513 $pl->{last_save} = $cf::RUNTIME;
1071 1514
1515 cf::get_slot 0.01;
1516
1072 $pl->save_pl ($path); 1517 $pl->save_pl ($path);
1073 Coro::cede; 1518 cf::cede_to_tick;
1074} 1519}
1075 1520
1076sub new($) { 1521sub new($) {
1077 my ($login) = @_; 1522 my ($login) = @_;
1078 1523
1084 $cf::PLAYER{$login} = $self; 1529 $cf::PLAYER{$login} = $self;
1085 1530
1086 $self 1531 $self
1087} 1532}
1088 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
1089=item $pl->quit_character 1544=item $pl->quit_character
1090 1545
1091Nukes the player without looking back. If logged in, the connection will 1546Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1547be destroyed. May block for a long time.
1093 1548
1097 my ($pl) = @_; 1552 my ($pl) = @_;
1098 1553
1099 my $name = $pl->ob->name; 1554 my $name = $pl->ob->name;
1100 1555
1101 $pl->{deny_save} = 1; 1556 $pl->{deny_save} = 1;
1102 $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
1103 1558
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1559 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1560 $pl->deactivate;
1561 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1562 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1563 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1564 $pl->ns->destroy if $pl->ns;
1108 1565
1109 my $path = playerdir $pl; 1566 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1567 my $temp = "$path~$cf::RUNTIME~deleting~";
1146 or return []; 1603 or return [];
1147 1604
1148 my @logins; 1605 my @logins;
1149 1606
1150 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") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1613 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1614 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1615 $buf !~ /^password -------------$/m or next; # official not-valid tag
1616 }
1154 1617
1155 utf8::decode $login; 1618 utf8::decode $login;
1156 push @logins, $login; 1619 push @logins, $login;
1157 } 1620 }
1158 1621
1185 } 1648 }
1186 1649
1187 \@paths 1650 \@paths
1188} 1651}
1189 1652
1653=item $protocol_xml = $player->expand_cfpod ($cfpod)
1654
1655Expand deliantra pod fragments into protocol xml.
1656
1190=item $player->ext_reply ($msgid, %msg) 1657=item $player->ext_reply ($msgid, @msg)
1191 1658
1192Sends an ext reply to the player. 1659Sends an ext reply to the player.
1193 1660
1194=cut 1661=cut
1195 1662
1196sub ext_reply($$%) { 1663sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1664 my ($self, $id, @msg) = @_;
1198 1665
1199 $msg{msgid} = $id; 1666 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1667}
1203 1668
1204=item $player->ext_event ($type, %msg) 1669=item $player->ext_msg ($type, @msg)
1205 1670
1206Sends an ext event to the client. 1671Sends an ext event to the client.
1207 1672
1208=cut 1673=cut
1209 1674
1210sub ext_event($$%) { 1675sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1676 my ($self, $type, @msg) = @_;
1212 1677
1213 $self->ns->ext_event ($type, %msg); 1678 $self->ns->ext_msg ($type, @msg);
1214} 1679}
1215 1680
1216=head3 cf::region 1681=head3 cf::region
1217 1682
1218=over 4 1683=over 4
1221 1686
1222package cf::region; 1687package cf::region;
1223 1688
1224=item cf::region::find_by_path $path 1689=item cf::region::find_by_path $path
1225 1690
1226Tries to decuce the probable region for a map knowing only its path. 1691Tries to decuce the likely region for a map knowing only its path.
1227 1692
1228=cut 1693=cut
1229 1694
1230sub find_by_path($) { 1695sub find_by_path($) {
1231 my ($path) = @_; 1696 my ($path) = @_;
1232 1697
1233 my ($match, $specificity); 1698 my ($match, $specificity);
1234 1699
1235 for my $region (list) { 1700 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1701 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1702 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1703 if $region->specificity > $specificity;
1239 } 1704 }
1240 } 1705 }
1241 1706
1262our $MAX_RESET = 3600; 1727our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1728our $DEFAULT_RESET = 3000;
1264 1729
1265sub generate_random_map { 1730sub generate_random_map {
1266 my ($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
1267 # mit "rum" bekleckern, nicht 1735 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1736 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1737 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1738 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1739 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1305 my ($self, $merge) = @_; 1773 my ($self, $merge) = @_;
1306 1774
1307 # we have to keep some variables in memory intact 1775 # we have to keep some variables in memory intact
1308 local $self->{path}; 1776 local $self->{path};
1309 local $self->{load_path}; 1777 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312 1778
1313 $self->SUPER::thawer_merge ($merge); 1779 $self->SUPER::thawer_merge ($merge);
1314} 1780}
1315 1781
1316sub normalise { 1782sub normalise {
1363 $self->init; # pass $1 etc. 1829 $self->init; # pass $1 etc.
1364 return $self; 1830 return $self;
1365 } 1831 }
1366 } 1832 }
1367 1833
1368 Carp::carp "unable to resolve path '$path' (base '$base')."; 1834 Carp::cluck "unable to resolve path '$path' (base '$base').";
1369 () 1835 ()
1370} 1836}
1371 1837
1372sub init { 1838sub init {
1373 my ($self) = @_; 1839 my ($self) = @_;
1395 1861
1396# the temporary/swap location 1862# the temporary/swap location
1397sub save_path { 1863sub save_path {
1398 my ($self) = @_; 1864 my ($self) = @_;
1399 1865
1400 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1866 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401 "$TMPDIR/$path.map" 1867 "$TMPDIR/$path.map"
1402} 1868}
1403 1869
1404# the unique path, undef == no special unique path 1870# the unique path, undef == no special unique path
1405sub uniq_path { 1871sub uniq_path {
1406 my ($self) = @_; 1872 my ($self) = @_;
1407 1873
1408 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1874 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409 "$UNIQUEDIR/$path" 1875 "$UNIQUEDIR/$path"
1410} 1876}
1411 1877
1412# and all this just because we cannot iterate over 1878sub decay_objects {
1413# all maps in C++...
1414sub change_all_map_light {
1415 my ($change) = @_; 1879 my ($self) = @_;
1416 1880
1417 $_->change_map_light ($change) 1881 return if $self->{deny_reset};
1418 for grep $_->outdoor, values %cf::MAP; 1882
1883 $self->do_decay_objects;
1419} 1884}
1420 1885
1421sub unlink_save { 1886sub unlink_save {
1422 my ($self) = @_; 1887 my ($self) = @_;
1423 1888
1428 1893
1429sub load_header_from($) { 1894sub load_header_from($) {
1430 my ($self, $path) = @_; 1895 my ($self, $path) = @_;
1431 1896
1432 utf8::encode $path; 1897 utf8::encode $path;
1433 #aio_open $path, O_RDONLY, 0 1898 my $f = new_from_file cf::object::thawer $path
1434 # or return;
1435
1436 $self->_load_header ($path)
1437 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;
1438 1906
1439 $self->{load_path} = $path; 1907 $self->{load_path} = $path;
1440 1908
1441 1 1909 1
1442} 1910}
1481 $self->load_header_orig 1949 $self->load_header_orig
1482 or return; 1950 or return;
1483 $self->prepare_orig; 1951 $self->prepare_orig;
1484 } 1952 }
1485 1953
1954 $self->{deny_reset} = 1
1955 if $self->no_reset;
1956
1486 $self->default_region (cf::region::find_by_path $self->{path}) 1957 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region; 1958 unless $self->default_region;
1488 1959
1489 1 1960 1
1490} 1961}
1493sub find { 1964sub find {
1494 my ($path, $origin) = @_; 1965 my ($path, $origin) = @_;
1495 1966
1496 $path = normalise $path, $origin && $origin->path; 1967 $path = normalise $path, $origin && $origin->path;
1497 1968
1969 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498 cf::lock_wait "map_find:$path"; 1970 my $guard2 = cf::lock_acquire "map_find:$path";
1499 1971
1500 $cf::MAP{$path} || do { 1972 $cf::MAP{$path} || do {
1501 my $guard = cf::lock_acquire "map_find:$path";
1502 my $map = new_from_path cf::map $path 1973 my $map = new_from_path cf::map $path
1503 or return; 1974 or return;
1504 1975
1505 $map->{last_save} = $cf::RUNTIME; 1976 $map->{last_save} = $cf::RUNTIME;
1506 1977
1507 $map->load_header 1978 $map->load_header
1508 or return; 1979 or return;
1509 1980
1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1981 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously 1982 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait; 1983 #$cf::WAIT_FOR_TICK->wait;
1984 undef $guard2;
1985 undef $guard1;
1513 $map->reset; 1986 $map->reset;
1514 undef $guard;
1515 return find $path; 1987 return find $path;
1516 } 1988 }
1517 1989
1518 $cf::MAP{$path} = $map 1990 $cf::MAP{$path} = $map
1519 } 1991 }
1528 local $self->{deny_reset} = 1; # loading can take a long time 2000 local $self->{deny_reset} = 1; # loading can take a long time
1529 2001
1530 my $path = $self->{path}; 2002 my $path = $self->{path};
1531 2003
1532 { 2004 {
1533 my $guard = cf::lock_acquire "map_load:$path"; 2005 my $guard = cf::lock_acquire "map_data:$path";
1534 2006
2007 return unless $self->valid;
1535 return if $self->in_memory != cf::MAP_SWAPPED; 2008 return unless $self->in_memory == cf::MAP_SWAPPED;
1536 2009
1537 $self->in_memory (cf::MAP_LOADING); 2010 $self->in_memory (cf::MAP_LOADING);
1538 2011
1539 $self->alloc; 2012 $self->alloc;
1540 2013
1541 $self->pre_load; 2014 $self->pre_load;
1542 Coro::cede; 2015 cf::cede_to_tick;
1543 2016
2017 my $f = new_from_file cf::object::thawer $self->{load_path};
2018 $f->skip_block;
1544 $self->_load_objects ($self->{load_path}, 1) 2019 $self->_load_objects ($f)
1545 or return; 2020 or return;
1546 2021
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2022 $self->post_load_original
1548 if delete $self->{load_original}; 2023 if delete $self->{load_original};
1549 2024
1550 if (my $uniq = $self->uniq_path) { 2025 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq; 2026 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) { 2027 unless (aio_stat $uniq) {
2028 if (my $f = new_from_file cf::object::thawer $uniq) {
1553 $self->clear_unique_items; 2029 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0); 2030 $self->_load_objects ($f);
2031 $f->resolve_delayed_derefs;
2032 }
1555 } 2033 }
1556 } 2034 }
1557 2035
1558 Coro::cede; 2036 $f->resolve_delayed_derefs;
2037
2038 cf::cede_to_tick;
1559 # now do the right thing for maps 2039 # now do the right thing for maps
1560 $self->link_multipart_objects; 2040 $self->link_multipart_objects;
1561 $self->difficulty ($self->estimate_difficulty) 2041 $self->difficulty ($self->estimate_difficulty)
1562 unless $self->difficulty; 2042 unless $self->difficulty;
1563 Coro::cede; 2043 cf::cede_to_tick;
1564 2044
1565 unless ($self->{deny_activate}) { 2045 unless ($self->{deny_activate}) {
1566 $self->decay_objects; 2046 $self->decay_objects;
1567 $self->fix_auto_apply; 2047 $self->fix_auto_apply;
1568 $self->update_buttons; 2048 $self->update_buttons;
1569 Coro::cede; 2049 cf::cede_to_tick;
1570 $self->set_darkness_map;
1571 Coro::cede;
1572 $self->activate; 2050 $self->activate;
1573 } 2051 }
1574 2052
2053 $self->{last_save} = $cf::RUNTIME;
2054 $self->last_access ($cf::RUNTIME);
2055
1575 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
1576 } 2057 }
1577 2058
1578 $self->post_load; 2059 $self->post_load;
1579} 2060}
1580 2061
1582 my ($self, $ob) = @_; 2063 my ($self, $ob) = @_;
1583 2064
1584 return find "~" . $ob->name . "/" . $self->{path} 2065 return find "~" . $ob->name . "/" . $self->{path}
1585 if $self->per_player; 2066 if $self->per_player;
1586 2067
2068# return find "?party/" . $ob->name . "/" . $self->{path}
2069# if $self->per_party;
2070
1587 $self 2071 $self
1588} 2072}
1589 2073
1590# find and load all maps in the 3x3 area around a map 2074# find and load all maps in the 3x3 area around a map
1591sub load_diag { 2075sub load_neighbours {
1592 my ($map) = @_; 2076 my ($map) = @_;
1593 2077
1594 my @diag; # diagonal neighbours 2078 my @neigh; # diagonal neighbours
1595 2079
1596 for (0 .. 3) { 2080 for (0 .. 3) {
1597 my $neigh = $map->tile_path ($_) 2081 my $neigh = $map->tile_path ($_)
1598 or next; 2082 or next;
1599 $neigh = find $neigh, $map 2083 $neigh = find $neigh, $map
1600 or next; 2084 or next;
1601 $neigh->load; 2085 $neigh->load;
1602 2086
2087 push @neigh,
1603 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2088 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2089 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1605 } 2090 }
1606 2091
1607 for (@diag) { 2092 for (grep defined $_->[0], @neigh) {
2093 my ($path, $origin) = @$_;
1608 my $neigh = find @$_ 2094 my $neigh = find $path, $origin
1609 or next; 2095 or next;
1610 $neigh->load; 2096 $neigh->load;
1611 } 2097 }
1612} 2098}
1613 2099
1618} 2104}
1619 2105
1620sub do_load_sync { 2106sub do_load_sync {
1621 my ($map) = @_; 2107 my ($map) = @_;
1622 2108
2109 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2110 if $Coro::current == $Coro::main;
2111
1623 cf::sync_job { $map->load }; 2112 cf::sync_job { $map->load };
1624} 2113}
1625 2114
1626our %MAP_PREFETCH; 2115our %MAP_PREFETCH;
1627our $MAP_PREFETCHER = undef; 2116our $MAP_PREFETCHER = undef;
1628 2117
1629sub find_async { 2118sub find_async {
1630 my ($path, $origin) = @_; 2119 my ($path, $origin, $load) = @_;
1631 2120
1632 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
1633 2122
1634 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636 } 2125 }
1637 2126
1638 undef $MAP_PREFETCH{$path}; 2127 $MAP_PREFETCH{$path} |= $load;
2128
1639 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2130 $Coro::current->{desc} = "map prefetcher";
2131
1640 while (%MAP_PREFETCH) { 2132 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) { 2133 while (my ($k, $v) = each %MAP_PREFETCH) {
1642 my $map = find $path 2134 if (my $map = find $k) {
1643 or next;
1644 $map->load; 2135 $map->load if $v;
2136 }
1645 2137
1646 delete $MAP_PREFETCH{$path}; 2138 delete $MAP_PREFETCH{$k};
1647 } 2139 }
1648 } 2140 }
1649 undef $MAP_PREFETCHER; 2141 undef $MAP_PREFETCHER;
1650 }; 2142 };
1651 $MAP_PREFETCHER->prio (6); 2143 $MAP_PREFETCHER->prio (6);
1654} 2146}
1655 2147
1656sub save { 2148sub save {
1657 my ($self) = @_; 2149 my ($self) = @_;
1658 2150
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2151 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2152
1661 $self->{last_save} = $cf::RUNTIME; 2153 $self->{last_save} = $cf::RUNTIME;
1662 2154
1663 return unless $self->dirty; 2155 return unless $self->dirty;
1664 2156
1670 return if $self->{deny_save}; 2162 return if $self->{deny_save};
1671 2163
1672 local $self->{last_access} = $self->last_access;#d# 2164 local $self->{last_access} = $self->last_access;#d#
1673 2165
1674 cf::async { 2166 cf::async {
2167 $Coro::current->{desc} = "map player save";
1675 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
1676 }; 2169 };
2170
2171 cf::get_slot 0.02;
1677 2172
1678 if ($uniq) { 2173 if ($uniq) {
1679 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1681 } else { 2176 } else {
1687 my ($self) = @_; 2182 my ($self) = @_;
1688 2183
1689 # save first because save cedes 2184 # save first because save cedes
1690 $self->save; 2185 $self->save;
1691 2186
1692 my $lock = cf::lock_acquire "map_data:" . $self->path; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
1693 2188
1694 return if $self->players; 2189 return if $self->players;
1695 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
1696 return if $self->{deny_save}; 2191 return if $self->{deny_save};
1697 2192
2193 $self->in_memory (cf::MAP_SWAPPED);
2194
2195 $self->deactivate;
2196 $_->clear_links_to ($self) for values %cf::MAP;
1698 $self->clear; 2197 $self->clear;
1699 $self->in_memory (cf::MAP_SWAPPED);
1700} 2198}
1701 2199
1702sub reset_at { 2200sub reset_at {
1703 my ($self) = @_; 2201 my ($self) = @_;
1704 2202
1705 # TODO: safety, remove and allow resettable per-player maps 2203 # TODO: safety, remove and allow resettable per-player maps
1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1707 return 1e99 if $self->{deny_reset}; 2204 return 1e99 if $self->{deny_reset};
1708 2205
1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2206 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2207 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711 2208
1722 my ($self) = @_; 2219 my ($self) = @_;
1723 2220
1724 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1725 2222
1726 return if $self->players; 2223 return if $self->players;
1727 return if $self->isa ("ext::map_per_player");#d#
1728 2224
1729 warn "resetting map ", $self->path; 2225 warn "resetting map ", $self->path;
1730 2226
1731 $self->in_memory (cf::MAP_SWAPPED); 2227 $self->in_memory (cf::MAP_SWAPPED);
1732 2228
1738 if $uniq; 2234 if $uniq;
1739 } 2235 }
1740 2236
1741 delete $cf::MAP{$self->path}; 2237 delete $cf::MAP{$self->path};
1742 2238
2239 $self->deactivate;
2240 $_->clear_links_to ($self) for values %cf::MAP;
1743 $self->clear; 2241 $self->clear;
1744
1745 $_->clear_links_to ($self) for values %cf::MAP;
1746 2242
1747 $self->unlink_save; 2243 $self->unlink_save;
1748 $self->destroy; 2244 $self->destroy;
1749} 2245}
1750 2246
1751my $nuke_counter = "aaaa"; 2247my $nuke_counter = "aaaa";
1752 2248
1753sub nuke { 2249sub nuke {
1754 my ($self) = @_; 2250 my ($self) = @_;
1755 2251
2252 {
2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2254
1756 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1757 2256
1758 $self->unlink_save; 2257 $self->unlink_save;
1759 2258
1760 bless $self, "cf::map"; 2259 bless $self, "cf::map";
1761 delete $self->{deny_reset}; 2260 delete $self->{deny_reset};
1762 $self->{deny_save} = 1; 2261 $self->{deny_save} = 1;
1763 $self->reset_timeout (1); 2262 $self->reset_timeout (1);
1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2263 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765 2264
1766 $cf::MAP{$self->path} = $self; 2265 $cf::MAP{$self->path} = $self;
2266 }
1767 2267
1768 $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 ]
1769} 2305}
1770 2306
1771=item cf::map::unique_maps 2307=item cf::map::unique_maps
1772 2308
1773Returns an arrayref of paths of all shared maps that have 2309Returns an arrayref of paths of all shared maps that have
1774instantiated unique items. May block. 2310instantiated unique items. May block.
1775 2311
1776=cut 2312=cut
1777 2313
1778sub unique_maps() { 2314sub unique_maps() {
1779 my $files = aio_readdir $UNIQUEDIR 2315 [
1780 or return; 2316 map {
1781
1782 my @paths;
1783
1784 for (@$files) {
1785 utf8::decode $_; 2317 utf8::decode $_;
1786 next if /\.pst$/; 2318 s/\.map$//; # TODO future compatibility hack
1787 next unless /^$PATH_SEP/o; 2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788 2320 ? ()
1789 push @paths, cf::map::normalise $_; 2321 : normalise $_
2322 } @{ aio_readdir $UNIQUEDIR or [] }
1790 } 2323 ]
1791
1792 \@paths
1793} 2324}
1794
1795package cf;
1796 2325
1797=back 2326=back
1798 2327
1799=head3 cf::object 2328=head3 cf::object
1800 2329
1804 2333
1805=over 4 2334=over 4
1806 2335
1807=item $ob->inv_recursive 2336=item $ob->inv_recursive
1808 2337
1809Returns 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.
1810 2340
1811=cut 2341=cut
1812 2342
1813sub inv_recursive_; 2343sub inv_recursive_;
1814sub inv_recursive_ { 2344sub inv_recursive_ {
1817 2347
1818sub inv_recursive { 2348sub inv_recursive {
1819 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
1820} 2350}
1821 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
1822package cf; 2380package cf;
1823 2381
1824=back 2382=back
1825 2383
1826=head3 cf::object::player 2384=head3 cf::object::player
1832Sends 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>
1833can 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
1834dialogue with the given NPC character. 2392dialogue with the given NPC character.
1835 2393
1836=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};
1837 2409
1838# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
1839# with dialog boxes. 2411# with dialog boxes.
1840#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
1841sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
1843 2415
1844 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2416 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845 2417
1846 if ($self->{record_replies}) { 2418 if ($self->{record_replies}) {
1847 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2419 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2420
1848 } 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 {
1849 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
1850 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2431 }
1851 } 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 (@_);
1852} 2443}
1853 2444
1854=item $player_object->may ("access") 2445=item $player_object->may ("access")
1855 2446
1856Returns wether the given player is authorized to access resource "access" 2447Returns wether the given player is authorized to access resource "access"
1869 2460
1870=item $player_object->enter_link 2461=item $player_object->enter_link
1871 2462
1872Freezes 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}>).
1873 2464
1874The 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.
1875I<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.
1876 2469
1877Will never block. 2470Will never block.
1878 2471
1879=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
1880 2473
1935 # use -1 or undef as default coordinates, not 0, 0 2528 # use -1 or undef as default coordinates, not 0, 0
1936 ($x, $y) = ($map->enter_x, $map->enter_y) 2529 ($x, $y) = ($map->enter_x, $map->enter_y)
1937 if $x <=0 && $y <= 0; 2530 if $x <=0 && $y <= 0;
1938 2531
1939 $map->load; 2532 $map->load;
1940 $map->load_diag; 2533 $map->load_neighbours;
1941 2534
1942 return unless $self->contr->active; 2535 return unless $self->contr->active;
1943 $self->activate_recursive;
1944 2536
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2537 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946 $self->enter_map ($map, $x, $y); 2538 $self->enter_map ($map, $x, $y);
1947}
1948 2539
2540 # only activate afterwards, to support waiting in hooks
2541 $self->activate_recursive;
2542}
2543
1949=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950 2545
1951Moves 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
1952her, loading and preparing them map, calling the provided $check callback 2547her, loading and preparing them map, calling the provided $check callback
1953that 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
1954the 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 >>.
1955 2554
1956=cut 2555=cut
1957 2556
1958our $GOTOGEN; 2557our $GOTOGEN;
1959 2558
1960sub cf::object::player::goto { 2559sub cf::object::player::goto {
1961 my ($self, $path, $x, $y, $check) = @_; 2560 my ($self, $path, $x, $y, $check, $done) = @_;
1962 2561
1963 # 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
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2563 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965 2564
1966 $self->enter_link; 2565 $self->enter_link;
1967 2566
1968 (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
1969 my $map = eval { 2589 my $map = eval {
1970 my $map = cf::map::find $path; 2590 my $map = defined $path ? cf::map::find $path : undef;
1971 2591
1972 if ($map) { 2592 if ($map) {
1973 $map = $map->customise_for ($self); 2593 $map = $map->customise_for ($self);
1974 $map = $check->($map) if $check && $map; 2594 $map = $check->($map) if $check && $map;
1975 } else { 2595 } else {
1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2596 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977 } 2597 }
1978 2598
1979 $map 2599 $map
1980 }; 2600 };
1981 2601
1986 2606
1987 if ($gen == $self->{_goto_generation}) { 2607 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation}; 2608 delete $self->{_goto_generation};
1989 $self->leave_link ($map, $x, $y); 2609 $self->leave_link ($map, $x, $y);
1990 } 2610 }
2611
2612 $done->() if $done;
1991 })->prio (1); 2613 })->prio (1);
1992} 2614}
1993 2615
1994=item $player_object->enter_exit ($exit_object) 2616=item $player_object->enter_exit ($exit_object)
1995 2617
2015} 2637}
2016 2638
2017sub prepare_random_map { 2639sub prepare_random_map {
2018 my ($exit) = @_; 2640 my ($exit) = @_;
2019 2641
2020 my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022 # all this does is basically replace the /! path by 2642 # all this does is basically replace the /! path by
2023 # a new random map path (?random/...) with a seed 2643 # a new random map path (?random/...) with a seed
2024 # that depends on the exit object 2644 # that depends on the exit object
2025 2645
2026 my $rmp = parse_random_map_params $exit->msg; 2646 my $rmp = parse_random_map_params $exit->msg;
2028 if ($exit->map) { 2648 if ($exit->map) {
2029 $rmp->{region} = $exit->region->name; 2649 $rmp->{region} = $exit->region->name;
2030 $rmp->{origin_map} = $exit->map->path; 2650 $rmp->{origin_map} = $exit->map->path;
2031 $rmp->{origin_x} = $exit->x; 2651 $rmp->{origin_x} = $exit->x;
2032 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
2653
2654 $exit->map->touch;
2033 } 2655 }
2034 2656
2035 $rmp->{random_seed} ||= $exit->random_seed; 2657 $rmp->{random_seed} ||= $exit->random_seed;
2036 2658
2037 my $data = cf::to_json $rmp; 2659 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038 my $md5 = Digest::MD5::md5_hex $data; 2660 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta"; 2661 my $meta = "$RANDOMDIR/$md5.meta";
2040 2662
2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2663 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042 aio_write $fh, 0, (length $data), $data, 0; 2664 aio_write $fh, 0, (length $data), $data, 0;
2043 undef $fh; 2665 undef $fh;
2044 aio_rename "$meta~", $meta; 2666 aio_rename "$meta~", $meta;
2045 2667
2668 my $slaying = "?random/$md5";
2669
2670 if ($exit->valid) {
2046 $exit->slaying ("?random/$md5"); 2671 $exit->slaying ("?random/$md5");
2047 $exit->msg (undef); 2672 $exit->msg (undef);
2673 }
2048 } 2674 }
2049} 2675}
2050 2676
2051sub cf::object::player::enter_exit { 2677sub cf::object::player::enter_exit {
2052 my ($self, $exit) = @_; 2678 my ($self, $exit) = @_;
2053 2679
2054 return unless $self->type == cf::PLAYER; 2680 return unless $self->type == cf::PLAYER;
2055 2681
2056 if ($exit->slaying eq "/!") {
2057 #TODO: this should de-fi-ni-te-ly not be a sync-job
2058 # the problem is that $exit might not survive long enough
2059 # so it needs to be done right now, right here
2060 cf::sync_job { prepare_random_map $exit };
2061 }
2062
2063 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp;
2066
2067 $self->enter_link; 2682 $self->enter_link;
2068 2683
2069 (async { 2684 (async {
2070 $self->deactivate_recursive; # just to be sure 2685 $Coro::current->{desc} = "enter_exit";
2686
2071 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
2072 $self->goto ($slaying, $hp, $sp); 2702 $self->goto ($map, $x, $y);
2073 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
2074 1; 2708 1
2075 }) { 2709 }) {
2076 $self->message ("Something went wrong deep within the crossfire server. " 2710 $self->message ("Something went wrong deep within the deliantra server. "
2077 . "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. "
2078 . "Please report this to the dungeon master!", 2712 . "Please report this to the dungeon master!",
2079 cf::NDI_UNIQUE | cf::NDI_RED); 2713 cf::NDI_UNIQUE | cf::NDI_RED);
2080 2714
2081 warn "ERROR in enter_exit: $@"; 2715 warn "ERROR in enter_exit: $@";
2100 2734
2101 utf8::encode $text; 2735 utf8::encode $text;
2102 $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);
2103} 2737}
2104 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
2105=item $client->ext_event ($type, %msg) 2899=item $client->ext_msg ($type, @msg)
2106 2900
2107Sends an exti event to the client. 2901Sends an ext event to the client.
2108 2902
2109=cut 2903=cut
2110 2904
2111sub cf::client::ext_event($$%) { 2905sub cf::client::ext_msg($$@) {
2112 my ($self, $type, %msg) = @_; 2906 my ($self, $type, @msg) = @_;
2113 2907
2908 if ($self->extcmd == 2) {
2909 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2910 } elsif ($self->extcmd == 1) { # TODO: remove
2114 $msg{msgtype} = "event_$type"; 2911 push @msg, msgtype => "event_$type";
2115 $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 }
2116} 2932}
2117 2933
2118=item $success = $client->query ($flags, "text", \&cb) 2934=item $success = $client->query ($flags, "text", \&cb)
2119 2935
2120Queues a query to the client, calling the given callback with 2936Queues a query to the client, calling the given callback with
2121the 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>,
2122C<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>.
2123 2939
2124Queries 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
2125reliable at some point in the future. 2941become reliable at some point in the future.
2126 2942
2127=cut 2943=cut
2128 2944
2129sub cf::client::query { 2945sub cf::client::query {
2130 my ($self, $flags, $text, $cb) = @_; 2946 my ($self, $flags, $text, $cb) = @_;
2138 utf8::encode $text; 2954 utf8::encode $text;
2139 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2955 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140 2956
2141 $self->send_packet ($self->{query_queue}[0][0]) 2957 $self->send_packet ($self->{query_queue}[0][0])
2142 if @{ $self->{query_queue} } == 1; 2958 if @{ $self->{query_queue} } == 1;
2959
2960 1
2143} 2961}
2144 2962
2145cf::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 },
2146 on_reply => sub { 2969 on_reply => sub {
2147 my ($ns, $msg) = @_; 2970 my ($ns, $msg) = @_;
2148 2971
2149 # this weird shuffling is so that direct followup queries 2972 # this weird shuffling is so that direct followup queries
2150 # get handled first 2973 # get handled first
2162 } else { 2985 } else {
2163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2986 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164 } 2987 }
2165 } 2988 }
2166 }, 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 },
2167); 3016);
2168 3017
2169=item $client->async (\&cb) 3018=item $client->async (\&cb)
2170 3019
2171Create a new coroutine, running the specified callback. The coroutine will 3020Create a new coroutine, running the specified callback. The coroutine will
2212our $safe = new Safe "safe"; 3061our $safe = new Safe "safe";
2213our $safe_hole = new Safe::Hole; 3062our $safe_hole = new Safe::Hole;
2214 3063
2215$SIG{FPE} = 'IGNORE'; 3064$SIG{FPE} = 'IGNORE';
2216 3065
2217$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));
2218 3071
2219# here we export the classes and methods available to script code 3072# here we export the classes and methods available to script code
2220 3073
2221=pod 3074=pod
2222 3075
2223The following functions and methods are available within a safe environment: 3076The following functions and methods are available within a safe environment:
2224 3077
2225 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
2226 cf::object::player player 3083 cf::object::player
2227 cf::player peaceful 3084 player
2228 cf::map trigger 3085
3086 cf::player
3087 peaceful
3088
3089 cf::map
3090 trigger
2229 3091
2230=cut 3092=cut
2231 3093
2232for ( 3094for (
2233 ["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)],
2234 ["cf::object::player" => qw(player)], 3098 ["cf::object::player" => qw(player)],
2235 ["cf::player" => qw(peaceful)], 3099 ["cf::player" => qw(peaceful send_msg)],
2236 ["cf::map" => qw(trigger)], 3100 ["cf::map" => qw(trigger)],
2237) { 3101) {
2238 no strict 'refs'; 3102 no strict 'refs';
2239 my ($pkg, @funs) = @$_; 3103 my ($pkg, @funs) = @$_;
2240 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3104 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2257 my ($code, %vars) = @_; 3121 my ($code, %vars) = @_;
2258 3122
2259 my $qcode = $code; 3123 my $qcode = $code;
2260 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3124 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2261 $qcode =~ s/\n/\\n/g; 3125 $qcode =~ s/\n/\\n/g;
3126
3127 %vars = (_dummy => 0) unless %vars;
2262 3128
2263 local $_; 3129 local $_;
2264 local @safe::cf::_safe_eval_args = values %vars; 3130 local @safe::cf::_safe_eval_args = values %vars;
2265 3131
2266 my $eval = 3132 my $eval =
2309=back 3175=back
2310 3176
2311=cut 3177=cut
2312 3178
2313############################################################################# 3179#############################################################################
2314
2315=head2 EXTENSION DATABASE SUPPORT
2316
2317Crossfire maintains a very simple database for extension use. It can
2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319convert to/from binary).
2320
2321The parameter C<$family> should best start with the name of the extension
2322using it, it should be unique.
2323
2324=over 4
2325
2326=item $value = cf::db_get $family => $key
2327
2328Returns a single value from the database.
2329
2330=item cf::db_put $family => $key => $value
2331
2332Stores the given C<$value> in the family.
2333
2334=cut
2335
2336our $DB;
2337
2338sub db_init {
2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2341
2342 cf::sync_job {
2343 eval {
2344 $DB->set_flags (BDB::CHKSUM);
2345
2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348 cf::cleanup "db_open(db): $!" if $!;
2349 };
2350 cf::cleanup "db_open(db): $@" if $@;
2351 };
2352 }
2353}
2354
2355sub db_get($$) {
2356 my $key = "$_[0]/$_[1]";
2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2366sub db_put($$$) {
2367 BDB::dbreq_pri 4;
2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369}
2370
2371=item cf::cache $id => [$paths...], $processversion => $process
2372
2373Generic caching function that returns the value of the resource $id,
2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2403 }
2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2483}
2484
2485#############################################################################
2486# the server's init and main functions 3180# the server's init and main functions
2487 3181
2488sub load_facedata($) { 3182sub load_facedata($) {
2489 my ($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;
2490 3190
2491 warn "loading facedata from $path\n"; 3191 warn "loading facedata from $path\n";
2492 3192
2493 my $facedata; 3193 my $facedata;
2494 0 < aio_load $path, $facedata 3194 0 < aio_load $path, $facedata
2497 $facedata = Coro::Storable::thaw $facedata; 3197 $facedata = Coro::Storable::thaw $facedata;
2498 3198
2499 $facedata->{version} == 2 3199 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed."; 3200 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501 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
2502 { 3209 {
2503 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
2504 3211
2505 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3216 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510 Coro::cede; 3219
3220 cf::cede_to_tick;
2511 } 3221 }
2512 3222
2513 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
2515 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
2516 or next; 3227 or next;
3228
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3230 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3232 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3234 }
2522 Coro::cede; 3235
3236 cf::cede_to_tick;
2523 } 3237 }
2524 } 3238 }
2525 3239
2526 { 3240 {
2527 my $anims = $facedata->{animinfo}; 3241 my $anims = $facedata->{animinfo};
2528 3242
2529 while (my ($anim, $info) = each %$anims) { 3243 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3244 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3245 cf::cede_to_tick;
2532 } 3246 }
2533 3247
2534 cf::anim::invalidate_all; # d'oh 3248 cf::anim::invalidate_all; # d'oh
2535 } 3249 }
2536 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
2537 1 3286 1
2538} 3287}
2539 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 $status
3325}
3326
2540sub reload_regions { 3327sub reload_regions {
3328 # HACK to clear player env face cache, we need some signal framework
3329 # for this (global event?)
3330 %ext::player_env::MUSIC_FACE_CACHE = ();
3331
2541 load_resource_file "$MAPDIR/regions" 3332 load_resource_file "$MAPDIR/regions"
2542 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 $_->{match};
3338 }
2543} 3339}
2544 3340
2545sub reload_facedata { 3341sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3342 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3343 or die "unable to load facedata\n";
2558} 3354}
2559 3355
2560sub reload_resources { 3356sub reload_resources {
2561 warn "reloading resource files...\n"; 3357 warn "reloading resource files...\n";
2562 3358
3359 reload_facedata;
3360 reload_archetypes;
2563 reload_regions; 3361 reload_regions;
2564 reload_facedata;
2565 #reload_archetypes;#d#
2566 reload_archetypes;
2567 reload_treasures; 3362 reload_treasures;
2568 3363
2569 warn "finished reloading resource files\n"; 3364 warn "finished reloading resource files\n";
2570} 3365}
2571 3366
2572sub init { 3367sub reload_config {
2573 reload_resources;
2574}
2575
2576sub cfg_load {
2577 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
2578 or return; 3369 or return;
2579 3370
2580 local $/; 3371 local $/;
2581 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
2582 3373
2583 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584 3375
2585 $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};
2586 $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};
2592 }; 3383 };
2593 warn $@ if $@; 3384 warn $@ if $@;
2594 } 3385 }
2595} 3386}
2596 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
2597sub 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
2598 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2599 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2600 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#
2601 (async { 3434 (async {
2602 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2603 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2604 }; 3438 };
2605 3439
2606 cfg_load; 3440 evthread_start IO::AIO::poll_fileno;
3441
3442 cf::sync_job {
3443 reload_resources;
3444 reload_config;
2607 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
2608 load_extensions; 3458 load_extensions;
2609 3459
2610 $TICK_WATCHER->start; 3460 utime time, time, $RUNTIMEFILE;
2611 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;
2612} 3470}
2613 3471
2614############################################################################# 3472#############################################################################
2615# initialisation and cleanup 3473# initialisation and cleanup
2616 3474
2617# install some emergency cleanup handlers 3475# install some emergency cleanup handlers
2618BEGIN { 3476BEGIN {
3477 our %SIGWATCHER = ();
2619 for my $signal (qw(INT HUP TERM)) { 3478 for my $signal (qw(INT HUP TERM)) {
2620 Event->signal ( 3479 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2621 reentrant => 0,
2622 data => WF_AUTOCANCEL,
2623 signal => $signal,
2624 prio => 0,
2625 cb => sub {
2626 cf::cleanup "SIG$signal"; 3480 cf::cleanup "SIG$signal";
2627 },
2628 ); 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
2629 } 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 };
2630} 3569}
2631 3570
2632sub emergency_save() { 3571sub emergency_save() {
2633 my $freeze_guard = cf::freeze_mainloop; 3572 my $freeze_guard = cf::freeze_mainloop;
2634 3573
2635 warn "enter emergency perl save\n"; 3574 warn "emergency_perl_save: enter\n";
2636 3575
2637 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
2638 # use a peculiar iteration method to avoid tripping on perl 3582 # use a peculiar iteration method to avoid tripping on perl
2639 # refcount bugs in for. also avoids problems with players 3583 # refcount bugs in for. also avoids problems with players
2640 # and maps saved/destroyed asynchronously. 3584 # and maps saved/destroyed asynchronously.
2641 warn "begin emergency player save\n"; 3585 warn "emergency_perl_save: begin player save\n";
2642 for my $login (keys %cf::PLAYER) { 3586 for my $login (keys %cf::PLAYER) {
2643 my $pl = $cf::PLAYER{$login} or next; 3587 my $pl = $cf::PLAYER{$login} or next;
2644 $pl->valid or next; 3588 $pl->valid or next;
3589 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645 $pl->save; 3590 $pl->save;
2646 } 3591 }
2647 warn "end emergency player save\n"; 3592 warn "emergency_perl_save: end player save\n";
2648 3593
2649 warn "begin emergency map save\n"; 3594 warn "emergency_perl_save: begin map save\n";
2650 for my $path (keys %cf::MAP) { 3595 for my $path (keys %cf::MAP) {
2651 my $map = $cf::MAP{$path} or next; 3596 my $map = $cf::MAP{$path} or next;
2652 $map->valid or next; 3597 $map->valid or next;
2653 $map->save; 3598 $map->save;
2654 } 3599 }
2655 warn "end emergency map save\n"; 3600 warn "emergency_perl_save: end map save\n";
2656 3601
2657 warn "begin emergency database checkpoint\n"; 3602 warn "emergency_perl_save: begin database checkpoint\n";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2659 warn "end emergency database checkpoint\n"; 3604 warn "emergency_perl_save: end database checkpoint\n";
3605
3606 warn "emergency_perl_save: begin write uuid\n";
3607 write_uuid_sync 1;
3608 warn "emergency_perl_save: end write uuid\n";
2660 }; 3609 };
2661 3610
3611 warn "emergency_perl_save: starting sync()\n";
3612 IO::AIO::aio_sync sub {
3613 warn "emergency_perl_save: finished sync()\n";
3614 };
3615
2662 warn "leave emergency perl save\n"; 3616 warn "emergency_perl_save: leave\n";
2663} 3617}
2664 3618
2665sub post_cleanup { 3619sub post_cleanup {
2666 my ($make_core) = @_; 3620 my ($make_core) = @_;
2667 3621
2668 warn Carp::longmess "post_cleanup backtrace" 3622 warn Carp::longmess "post_cleanup backtrace"
2669 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#
2670} 3653}
2671 3654
2672sub do_reload_perl() { 3655sub do_reload_perl() {
2673 # can/must only be called in main 3656 # can/must only be called in main
2674 if ($Coro::current != $Coro::main) { 3657 if ($Coro::current != $Coro::main) {
2675 warn "can only reload from main coroutine"; 3658 warn "can only reload from main coroutine";
2676 return; 3659 return;
2677 } 3660 }
2678 3661
3662 return if $RELOAD++;
3663
3664 my $t1 = EV::time;
3665
3666 while ($RELOAD) {
2679 warn "reloading..."; 3667 warn "reloading...";
2680 3668
2681 warn "entering sync_job"; 3669 warn "entering sync_job";
2682 3670
2683 cf::sync_job { 3671 cf::sync_job {
2684 cf::write_runtime; # external watchdog should not bark 3672 cf::write_runtime_sync; # external watchdog should not bark
2685 cf::emergency_save; 3673 cf::emergency_save;
2686 cf::write_runtime; # external watchdog should not bark 3674 cf::write_runtime_sync; # external watchdog should not bark
2687 3675
2688 warn "syncing database to disk"; 3676 warn "syncing database to disk";
2689 BDB::db_env_txn_checkpoint $DB_ENV; 3677 BDB::db_env_txn_checkpoint $DB_ENV;
2690 3678
2691 # 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
2692 3680
2693 warn "cancelling all WF_AUTOCANCEL watchers";
2694 for (Event::all_watchers) {
2695 $_->cancel if $_->data & WF_AUTOCANCEL;
2696 }
2697
2698 warn "flushing outstanding aio requests"; 3681 warn "flushing outstanding aio requests";
2699 for (;;) {
2700 BDB::flush;
2701 IO::AIO::flush;
2702 Coro::cede;
2703 last unless IO::AIO::nreqs || BDB::nreqs; 3682 while (IO::AIO::nreqs || BDB::nreqs) {
2704 warn "iterate..."; 3683 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2705 }
2706
2707 ++$RELOAD;
2708
2709 warn "cancelling all extension coros";
2710 $_->cancel for values %EXT_CORO;
2711 %EXT_CORO = ();
2712
2713 warn "removing commands";
2714 %COMMAND = ();
2715
2716 warn "removing ext commands";
2717 %EXTCMD = ();
2718
2719 warn "unloading/nuking all extensions";
2720 for my $pkg (@EXTS) {
2721 warn "... unloading $pkg";
2722
2723 if (my $cb = $pkg->can ("unload")) {
2724 eval {
2725 $cb->($pkg);
2726 1
2727 } or warn "$pkg unloaded, but with errors: $@";
2728 } 3684 }
2729 3685
2730 warn "... nuking $pkg"; 3686 warn "cancelling all extension coros";
2731 Symbol::delete_package $pkg; 3687 $_->cancel for values %EXT_CORO;
2732 } 3688 %EXT_CORO = ();
2733 3689
2734 warn "unloading all perl modules loaded from $LIBDIR"; 3690 warn "removing commands";
2735 while (my ($k, $v) = each %INC) { 3691 %COMMAND = ();
2736 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737 3692
3693 warn "removing ext/exti commands";
3694 %EXTCMD = ();
3695 %EXTICMD = ();
3696
3697 warn "unloading/nuking all extensions";
3698 for my $pkg (@EXTS) {
2738 warn "... unloading $k"; 3699 warn "... unloading $pkg";
2739 delete $INC{$k};
2740 3700
2741 $k =~ s/\.pm$//;
2742 $k =~ s/\//::/g;
2743
2744 if (my $cb = $k->can ("unload_module")) { 3701 if (my $cb = $pkg->can ("unload")) {
3702 eval {
2745 $cb->(); 3703 $cb->($pkg);
3704 1
3705 } or warn "$pkg unloaded, but with errors: $@";
3706 }
3707
3708 warn "... clearing $pkg";
3709 clear_package $pkg;
2746 } 3710 }
2747 3711
2748 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;
2749 } 3727 }
2750 3728
2751 warn "getting rid of safe::, as good as possible"; 3729 warn "getting rid of safe::, as good as possible";
2752 Symbol::delete_package "safe::$_" 3730 clear_package "safe::$_"
2753 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);
2754 3732
2755 warn "unloading cf.pm \"a bit\""; 3733 warn "unloading cf.pm \"a bit\"";
2756 delete $INC{"cf.pm"}; 3734 delete $INC{"cf.pm"};
2757 delete $INC{"cf/pod.pm"}; 3735 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2758 3736
2759 # don't, removes xs symbols, too, 3737 # don't, removes xs symbols, too,
2760 # and global variables created in xs 3738 # and global variables created in xs
2761 #Symbol::delete_package __PACKAGE__; 3739 #clear_package __PACKAGE__;
2762 3740
2763 warn "unload completed, starting to reload now"; 3741 warn "unload completed, starting to reload now";
2764 3742
2765 warn "reloading cf.pm"; 3743 warn "reloading cf.pm";
2766 require cf; 3744 require cf;
2767 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3745 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768 3746
2769 warn "loading config and database again"; 3747 warn "loading config and database again";
2770 cf::cfg_load; 3748 cf::reload_config;
2771 3749
2772 warn "loading extensions"; 3750 warn "loading extensions";
2773 cf::load_extensions; 3751 cf::load_extensions;
2774 3752
3753 if ($REATTACH_ON_RELOAD) {
2775 warn "reattaching attachments to objects/players"; 3754 warn "reattaching attachments to objects/players";
2776 _global_reattach; # objects, sockets 3755 _global_reattach; # objects, sockets
2777 warn "reattaching attachments to maps"; 3756 warn "reattaching attachments to maps";
2778 reattach $_ for values %MAP; 3757 reattach $_ for values %MAP;
2779 warn "reattaching attachments to players"; 3758 warn "reattaching attachments to players";
2780 reattach $_ for values %PLAYER; 3759 reattach $_ for values %PLAYER;
3760 }
2781 3761
3762 warn "running post_init jobs";
3763 (pop @POST_INIT)->(1) while @POST_INIT;
3764
2782 warn "leaving sync_job"; 3765 warn "leaving sync_job";
2783 3766
2784 1 3767 1
2785 } or do { 3768 } or do {
2786 warn $@; 3769 warn $@;
2787 warn "error while reloading, exiting."; 3770 cf::cleanup "error while reloading, exiting.";
2788 exit 1;
2789 }; 3771 };
2790 3772
2791 warn "reloaded"; 3773 warn "reloaded";
3774 --$RELOAD;
3775 }
3776
3777 $t1 = EV::time - $t1;
3778 warn "reload completed in ${t1}s\n";
2792}; 3779};
2793 3780
2794our $RELOAD_WATCHER; # used only during reload 3781our $RELOAD_WATCHER; # used only during reload
2795 3782
2796sub reload_perl() { 3783sub reload_perl() {
2797 # doing reload synchronously and two reloads happen back-to-back, 3784 # doing reload synchronously and two reloads happen back-to-back,
2798 # coro crashes during coro_state_free->destroy here. 3785 # coro crashes during coro_state_free->destroy here.
2799 3786
2800 $RELOAD_WATCHER ||= Event->timer ( 3787 $RELOAD_WATCHER ||= cf::async {
2801 reentrant => 0, 3788 Coro::AIO::aio_wait cache_extensions;
2802 after => 0, 3789
2803 data => WF_AUTOCANCEL, 3790 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2804 cb => sub {
2805 do_reload_perl; 3791 do_reload_perl;
2806 undef $RELOAD_WATCHER; 3792 undef $RELOAD_WATCHER;
2807 }, 3793 };
2808 ); 3794 };
2809} 3795}
2810 3796
2811register_command "reload" => sub { 3797register_command "reload" => sub {
2812 my ($who, $arg) = @_; 3798 my ($who, $arg) = @_;
2813 3799
2814 if ($who->flag (FLAG_WIZ)) { 3800 if ($who->flag (FLAG_WIZ)) {
2815 $who->message ("reloading server."); 3801 $who->message ("reloading server.");
3802 async {
3803 $Coro::current->{desc} = "perl_reload";
2816 async { reload_perl }; 3804 reload_perl;
3805 };
2817 } 3806 }
2818}; 3807};
2819 3808
2820unshift @INC, $LIBDIR; 3809unshift @INC, $LIBDIR;
2821 3810
2823 3812
2824our @WAIT_FOR_TICK; 3813our @WAIT_FOR_TICK;
2825our @WAIT_FOR_TICK_BEGIN; 3814our @WAIT_FOR_TICK_BEGIN;
2826 3815
2827sub wait_for_tick { 3816sub wait_for_tick {
2828 return unless $TICK_WATCHER->is_active;
2829 return if $Coro::current == $Coro::main; 3817 return if tick_inhibit || $Coro::current == $Coro::main;
2830 3818
2831 my $signal = new Coro::Signal; 3819 my $signal = new Coro::Signal;
2832 push @WAIT_FOR_TICK, $signal; 3820 push @WAIT_FOR_TICK, $signal;
2833 $signal->wait; 3821 $signal->wait;
2834} 3822}
2835 3823
2836sub wait_for_tick_begin { 3824sub wait_for_tick_begin {
2837 return unless $TICK_WATCHER->is_active;
2838 return if $Coro::current == $Coro::main; 3825 return if tick_inhibit || $Coro::current == $Coro::main;
2839 3826
2840 my $signal = new Coro::Signal; 3827 my $signal = new Coro::Signal;
2841 push @WAIT_FOR_TICK_BEGIN, $signal; 3828 push @WAIT_FOR_TICK_BEGIN, $signal;
2842 $signal->wait; 3829 $signal->wait;
2843} 3830}
2844 3831
2845 my $min = 1e6;#d# 3832sub tick {
2846 my $avg = 10;
2847$TICK_WATCHER = Event->timer (
2848 reentrant => 0,
2849 parked => 1,
2850 prio => 0,
2851 at => $NEXT_TICK || $TICK,
2852 data => WF_AUTOCANCEL,
2853 cb => sub {
2854 if ($Coro::current != $Coro::main) { 3833 if ($Coro::current != $Coro::main) {
2855 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"
2856 unless ++$bug_warning > 10; 3835 unless ++$bug_warning > 10;
2857 return; 3836 return;
2858 } 3837 }
2859 3838
2860 $NOW = $tick_start = Event::time;
2861
2862 cf::server_tick; # one server iteration 3839 cf::server_tick; # one server iteration
2863 3840
2864 0 && sync_job {#d# 3841 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865 for(1..10) { 3842 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866 my $t = Event::time; 3843 Coro::async_pool {
2867 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3844 $Coro::current->{desc} = "runtime saver";
2868 or die; 3845 write_runtime_sync
2869 3846 or warn "ERROR: unable to write runtime file: $!";
2870 $map->width (50);
2871 $map->height (50);
2872 $map->alloc;
2873 $map->_load_objects ("/tmp/x.map", 1);
2874 my $t = Event::time - $t;
2875
2876 #next unless $t < 0.0013;#d#
2877 if ($t < $min) {
2878 $min = $t;
2879 }
2880 $avg = $avg * 0.99 + $t * 0.01;
2881 }
2882 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883 exit 0;
2884 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885 }; 3847 };
3848 }
2886 3849
2887 $RUNTIME += $TICK;
2888 $NEXT_TICK += $TICK;
2889
2890 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891 $NEXT_RUNTIME_WRITE = $NOW + 10;
2892 Coro::async_pool {
2893 write_runtime
2894 or warn "ERROR: unable to write runtime file: $!";
2895 };
2896 }
2897
2898# my $AFTER = Event::time;
2899# warn $AFTER - $NOW;#d#
2900
2901 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3850 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902 $sig->send; 3851 $sig->send;
2903 } 3852 }
2904 while (my $sig = shift @WAIT_FOR_TICK) { 3853 while (my $sig = shift @WAIT_FOR_TICK) {
2905 $sig->send; 3854 $sig->send;
2906 } 3855 }
2907 3856
2908 $NOW = Event::time; 3857 $LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910 # if we are delayed by four ticks or more, skip them all
2911 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913 $TICK_WATCHER->at ($NEXT_TICK);
2914 $TICK_WATCHER->start;
2915
2916 $LOAD = ($NOW - $tick_start) / $TICK;
2917 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3858 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918 3859
2919 _post_tick; 3860 if (0) {
2920 3861 if ($NEXT_TICK) {
2921 3862 my $jitter = $TICK_START - $NEXT_TICK;
3863 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3864 warn "jitter $JITTER\n";#d#
3865 }
2922 }, 3866 }
2923); 3867}
2924 3868
2925{ 3869{
2926 BDB::max_poll_time $TICK * 0.1; 3870 # configure BDB
2927 $BDB_POLL_WATCHER = Event->io ( 3871
2928 reentrant => 0,
2929 fd => BDB::poll_fileno,
2930 poll => 'r',
2931 prio => 0,
2932 data => WF_AUTOCANCEL,
2933 cb => \&BDB::poll_cb,
2934 );
2935 BDB::min_parallel 8; 3872 BDB::min_parallel 8;
2936 3873 BDB::max_poll_reqs $TICK * 0.1;
2937 BDB::set_sync_prepare { 3874 $AnyEvent::BDB::WATCHER->priority (1);
2938 my $status;
2939 my $current = $Coro::current;
2940 (
2941 sub {
2942 $status = $!;
2943 $current->ready; undef $current;
2944 },
2945 sub {
2946 Coro::schedule while defined $current;
2947 $! = $status;
2948 },
2949 )
2950 };
2951 3875
2952 unless ($DB_ENV) { 3876 unless ($DB_ENV) {
2953 $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);
2954 3883
2955 cf::sync_job { 3884 cf::sync_job {
2956 eval { 3885 eval {
2957 BDB::db_env_open 3886 BDB::db_env_open
2958 $DB_ENV, 3887 $DB_ENV,
2960 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
2961 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3890 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962 0666; 3891 0666;
2963 3892
2964 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3893 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967 $DB_ENV->set_lk_detect;
2968 }; 3894 };
2969 3895
2970 cf::cleanup "db_env_open(db): $@" if $@; 3896 cf::cleanup "db_env_open(db): $@" if $@;
2971 }; 3897 };
2972 } 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 };
2973} 3909}
2974 3910
2975{ 3911{
3912 # configure IO::AIO
3913
2976 IO::AIO::min_parallel 8; 3914 IO::AIO::min_parallel 8;
2977
2978 undef $Coro::AIO::WATCHER;
2979 IO::AIO::max_poll_time $TICK * 0.1; 3915 IO::AIO::max_poll_time $TICK * 0.1;
2980 $AIO_POLL_WATCHER = Event->io ( 3916 undef $AnyEvent::AIO::WATCHER;
2981 reentrant => 0,
2982 data => WF_AUTOCANCEL,
2983 fd => IO::AIO::poll_fileno,
2984 poll => 'r',
2985 prio => 6,
2986 cb => \&IO::AIO::poll_cb,
2987 );
2988} 3917}
2989 3918
2990my $_log_backtrace; 3919my $_log_backtrace;
2991 3920
2992sub _log_backtrace { 3921sub _log_backtrace {
2995 $msg =~ s/\n//; 3924 $msg =~ s/\n//;
2996 3925
2997 # limit the # of concurrent backtraces 3926 # limit the # of concurrent backtraces
2998 if ($_log_backtrace < 2) { 3927 if ($_log_backtrace < 2) {
2999 ++$_log_backtrace; 3928 ++$_log_backtrace;
3929 my $perl_bt = Carp::longmess $msg;
3000 async { 3930 async {
3931 $Coro::current->{desc} = "abt $msg";
3932
3001 my @bt = fork_call { 3933 my @bt = fork_call {
3002 @addr = map { sprintf "%x", $_ } @addr; 3934 @addr = map { sprintf "%x", $_ } @addr;
3003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3935 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004 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 |"
3005 or die "addr2line: $!"; 3937 or die "addr2line: $!";
3013 } 3945 }
3014 3946
3015 @funcs 3947 @funcs
3016 }; 3948 };
3017 3949
3018 LOG llevInfo, "[ABT] $msg\n"; 3950 LOG llevInfo, "[ABT] $perl_bt\n";
3951 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3019 LOG llevInfo, "[ABT] $_\n" for @bt; 3952 LOG llevInfo, "[ABT] $_\n" for @bt;
3020 --$_log_backtrace; 3953 --$_log_backtrace;
3021 }; 3954 };
3022 } else { 3955 } else {
3023 LOG llevInfo, "[ABT] $msg\n"; 3956 LOG llevInfo, "[ABT] $msg\n";
3024 LOG llevInfo, "[ABT] [suppressed]\n"; 3957 LOG llevInfo, "[ABT] [suppressed]\n";
3025 } 3958 }
3026} 3959}
3027 3960
3028# load additional modules 3961# load additional modules
3029use cf::pod; 3962require "cf/$_.pm" for @EXTRA_MODULES;
3030 3963
3031END { cf::emergency_save } 3964END { cf::emergency_save }
3032 3965
30331 39661
3034 3967

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