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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
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 76
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 78
49our %COMMAND = (); 79our %COMMAND = ();
50our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
51 81
52our @EXTS = (); # list of extension package names 82our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 83our %EXTCMD = ();
84our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
56 87
57our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 89our @EVENT;
59 90
60our $CONFDIR = confdir; 91our $CONFDIR = confdir;
61our $DATADIR = datadir; 92our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
71 106
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $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 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 109our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default on
79 111
112our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 114our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 115our $DB_ENV;
116
117our @EXTRA_MODULES = qw(pod mapscript);
82 118
83our %CFG; 119our %CFG;
84 120
85our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 122our $RUNTIME;
123our $NOW;
87 124
88our %PLAYER; # all users 125our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 126our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 127our $LINK_MAP; # the special {link} map, which is always available
91 128
92# used to convert map paths into valid unix filenames by replacing / by ∕ 129# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 130our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 131
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
134our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98 140
99binmode STDOUT; 141binmode STDOUT;
100binmode STDERR; 142binmode STDERR;
101 143
102# read virtual server time, if available 144# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
107} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
108 152
109mkdir $_ 153mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 155
112our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
155 199
156The raw value load value from the last tick. 200The raw value load value from the last tick.
157 201
158=item %cf::CFG 202=item %cf::CFG
159 203
160Configuration for the server, loaded from C</etc/crossfire/config>, or 204Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 205from wherever your confdir points to.
162 206
163=item cf::wait_for_tick, cf::wait_for_tick_begin 207=item cf::wait_for_tick, cf::wait_for_tick_begin
164 208
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 209These 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 210returns 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. 211per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 212
213=item @cf::INVOKE_RESULTS
214
215This array contains the results of the last C<invoke ()> call. When
216C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
217that call.
218
169=back 219=back
170 220
171=cut 221=cut
172 222
173BEGIN { 223BEGIN {
177 $msg .= "\n" 227 $msg .= "\n"
178 unless $msg =~ /\n$/; 228 unless $msg =~ /\n$/;
179 229
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 230 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 231
182 utf8::encode $msg;
183 LOG llevError, $msg; 232 LOG llevError, $msg;
184 }; 233 };
185} 234}
235
236$Coro::State::DIEHOOK = sub {
237 return unless $^S eq 0; # "eq", not "=="
238
239 if ($Coro::current == $Coro::main) {#d#
240 warn "DIEHOOK called in main context, Coro bug?\n";#d#
241 return;#d#
242 }#d#
243
244 # kill coroutine otherwise
245 warn Carp::longmess $_[0];
246 Coro::terminate
247};
248
249$SIG{__DIE__} = sub { }; #d#?
186 250
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 251@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 252@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 253@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 254@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 261for my $pkg (qw(
198 cf::global cf::attachable 262 cf::global cf::attachable
199 cf::object cf::object::player 263 cf::object cf::object::player
200 cf::client cf::player 264 cf::client cf::player
201 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
202 cf::map cf::party cf::region 267 cf::party cf::region
203)) { 268)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 270}
207 271
208$Event::DIED = sub { 272$EV::DIED = sub {
209 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
210}; 274};
275
276#############################################################################
211 277
212=head2 UTILITY FUNCTIONS 278=head2 UTILITY FUNCTIONS
213 279
214=over 4 280=over 4
215 281
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 300 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 301 $d
236 } || "[unable to dump $_[0]: '$@']"; 302 } || "[unable to dump $_[0]: '$@']";
237} 303}
238 304
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 305=item $ref = cf::decode_json $json
242 306
243Converts a JSON string into the corresponding perl data structure. 307Converts a JSON string into the corresponding perl data structure.
244 308
245=item $json = cf::to_json $ref 309=item $json = cf::encode_json $ref
246 310
247Converts a perl data structure into its JSON representation. 311Converts a perl data structure into its JSON representation.
248 312
313=cut
314
315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
316
317sub encode_json($) { $json_coder->encode ($_[0]) }
318sub decode_json($) { $json_coder->decode ($_[0]) }
319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
332}
333
249=item cf::lock_wait $string 334=item cf::lock_wait $string
250 335
251Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
252 337
253=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
254 339
255Wait until the given lock is available and then acquires it and returns 340Wait 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, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
258returned. 343returned.
259 344
345Locks are *not* recursive, locking from the same coro twice results in a
346deadlocked coro.
347
260Lock names should begin with a unique identifier (for example, cf::map::find 348Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 349uses map_find and cf::map::load uses map_load).
262 350
263=item $locked = cf::lock_active $string 351=item $locked = cf::lock_active $string
264 352
265Return true if the lock is currently active, i.e. somebody has locked it. 353Return true if the lock is currently active, i.e. somebody has locked it.
266 354
267=cut 355=cut
268 356
269our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
270 358
271sub lock_wait($) { 359sub lock_wait($) {
272 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 361}
280 362
281sub lock_acquire($) { 363sub lock_acquire($) {
282 my ($key) = @_; 364 $LOCKS->guard ($_[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} 365}
294 366
295sub lock_active($) { 367sub lock_active($) {
296 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 369}
300 370
301sub freeze_mainloop { 371sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 372 tick_inhibit_inc;
303 373
304 my $guard = Coro::guard { 374 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 375}
376
377=item cf::periodic $interval, $cb
378
379Like EV::periodic, but randomly selects a starting point so that the actions
380get spread over timer.
381
382=cut
383
384sub periodic($$) {
385 my ($interval, $cb) = @_;
386
387 my $start = rand List::Util::min 180, $interval;
388
389 EV::periodic $start, $interval, 0, $cb
390}
391
392=item cf::get_slot $time[, $priority[, $name]]
393
394Allocate $time seconds of blocking CPU time at priority C<$priority>:
395This call blocks and returns only when you have at least C<$time> seconds
396of cpu time till the next tick. The slot is only valid till the next cede.
397
398The optional C<$name> can be used to identify the job to run. It might be
399used for statistical purposes and should identify the same time-class.
400
401Useful for short background jobs.
402
403=cut
404
405our @SLOT_QUEUE;
406our $SLOT_QUEUE;
407
408$SLOT_QUEUE->cancel if $SLOT_QUEUE;
409$SLOT_QUEUE = Coro::async {
410 $Coro::current->desc ("timeslot manager");
411
412 my $signal = new Coro::Signal;
413
414 while () {
415 next_job:
416 my $avail = cf::till_tick;
417 if ($avail > 0.01) {
418 for (0 .. $#SLOT_QUEUE) {
419 if ($SLOT_QUEUE[$_][0] < $avail) {
420 my $job = splice @SLOT_QUEUE, $_, 1, ();
421 $job->[2]->send;
422 Coro::cede;
423 goto next_job;
424 }
425 }
426 }
427
428 if (@SLOT_QUEUE) {
429 # we do not use wait_for_tick() as it returns immediately when tick is inactive
430 push @cf::WAIT_FOR_TICK, $signal;
431 $signal->wait;
432 } else {
433 Coro::schedule;
434 }
306 }; 435 }
307 $TICK_WATCHER->stop; 436};
308 $guard 437
438sub get_slot($;$$) {
439 return if tick_inhibit || $Coro::current == $Coro::main;
440
441 my ($time, $pri, $name) = @_;
442
443 $time = $TICK * .6 if $time > $TICK * .6;
444 my $sig = new Coro::Signal;
445
446 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
447 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
448 $SLOT_QUEUE->ready;
449 $sig->wait;
309} 450}
310 451
311=item cf::async { BLOCK } 452=item cf::async { BLOCK }
312 453
313Currently the same as Coro::async_pool, meaning you cannot use 454Currently the same as Coro::async_pool, meaning you cannot use
318 459
319BEGIN { *async = \&Coro::async_pool } 460BEGIN { *async = \&Coro::async_pool }
320 461
321=item cf::sync_job { BLOCK } 462=item cf::sync_job { BLOCK }
322 463
323The design of crossfire+ requires that the main coro ($Coro::main) is 464The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 465is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 466partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
467acceptable.
326 468
327If it must be done, put the blocking parts into C<sync_job>. This will run 469If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 470the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 471server will be frozen during this time, so the block should either finish
330fast or be very important. 472fast or be very important.
333 475
334sub sync_job(&) { 476sub sync_job(&) {
335 my ($job) = @_; 477 my ($job) = @_;
336 478
337 if ($Coro::current == $Coro::main) { 479 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 480 my $time = EV::time;
339 481
340 # this is the main coro, too bad, we have to block 482 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 483 # till the operation succeeds, freezing the server :/
342 484
343 # TODO: use suspend/resume instead 485 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 486
345 my $freeze_guard = freeze_mainloop; 487 my $freeze_guard = freeze_mainloop;
346 488
347 my $busy = 1; 489 my $busy = 1;
348 my @res; 490 my @res;
349 491
350 (async { 492 (async {
493 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 494 @res = eval { $job->() };
352 warn $@ if $@; 495 warn $@ if $@;
353 undef $busy; 496 undef $busy;
354 })->prio (Coro::PRIO_MAX); 497 })->prio (Coro::PRIO_MAX);
355 498
356 while ($busy) { 499 while ($busy) {
357 Coro::cede or Event::one_event; 500 if (Coro::nready) {
501 Coro::cede_notself;
502 } else {
503 EV::loop EV::LOOP_ONESHOT;
358 } 504 }
505 }
359 506
360 $time = Event::time - $time; 507 my $time = EV::time - $time;
361 508
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 509 $TICK_START += $time; # do not account sync jobs to server load
366 510
367 wantarray ? @res : $res[0] 511 wantarray ? @res : $res[0]
368 } else { 512 } else {
369 # we are in another coroutine, how wonderful, everything just works 513 # we are in another coroutine, how wonderful, everything just works
370 514
390 $EXT_CORO{$coro+0} = $coro; 534 $EXT_CORO{$coro+0} = $coro;
391 535
392 $coro 536 $coro
393} 537}
394 538
395sub write_runtime { 539=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 540
398 # first touch the runtime file to show we are still running: 541Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 542process, returning the results. Everything must be serialisable with
543Coro::Storable. May, of course, block. Note that the executed sub may
544never block itself or use any form of event handling.
400 545
401 IO::AIO::aio_utime $runtime, undef, undef; 546=cut
402 547
403 my $guard = cf::lock_acquire "write_runtime"; 548sub fork_call(&@) {
549 my ($cb, @args) = @_;
404 550
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 551 # we seemingly have to make a local copy of the whole thing,
406 or return; 552 # otherwise perl prematurely frees the stuff :/
553 # TODO: investigate and fix (likely this will be rather laborious)
407 554
408 my $value = $cf::RUNTIME + 90 + 10; 555 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 556 reset_signals;
410 # 60 allows for the watchdog to kill the server. 557 &$cb
558 }, @args;
411 559
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 560 wantarray ? @res : $res[-1]
413 and return; 561}
414 562
415 # always fsync - this file is important 563=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 564
419 # touch it again to show we are up-to-date 565=cut
420 aio_utime $fh, undef, undef;
421 566
422 close $fh 567our %coin_alias = (
423 or return; 568 "silver" => "silvercoin",
569 "silvercoin" => "silvercoin",
570 "silvercoins" => "silvercoin",
571 "gold" => "goldcoin",
572 "goldcoin" => "goldcoin",
573 "goldcoins" => "goldcoin",
574 "platinum" => "platinacoin",
575 "platinumcoin" => "platinacoin",
576 "platinumcoins" => "platinacoin",
577 "platina" => "platinacoin",
578 "platinacoin" => "platinacoin",
579 "platinacoins" => "platinacoin",
580 "royalty" => "royalty",
581 "royalties" => "royalty",
582);
424 583
425 aio_rename "$runtime~", $runtime 584sub coin_from_name($) {
426 and return; 585 $coin_alias{$_[0]}
586 ? cf::arch::find $coin_alias{$_[0]}
587 : undef
588}
427 589
428 warn "runtime file written.\n"; 590=item $value = cf::db_get $family => $key
429 591
592Returns a single value from the environment database.
593
594=item cf::db_put $family => $key => $value
595
596Stores the given C<$value> in the family. It can currently store binary
597data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
598
599=item $db = cf::db_table "name"
600
601Create and/or open a new database table. The string must not be "db" and must be unique
602within each server.
603
604=cut
605
606sub db_table($) {
607 my ($name) = @_;
608 my $db = BDB::db_create $DB_ENV;
609
610 eval {
611 $db->set_flags (BDB::CHKSUM);
612
613 utf8::encode $name;
614 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
615 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
616 cf::cleanup "db_open(db): $!" if $!;
617 };
618 cf::cleanup "db_open(db): $@" if $@;
619
620 $db
621}
622
623our $DB;
624
625sub db_init {
626 cf::sync_job {
627 $DB ||= db_table "db";
628 };
629}
630
631sub db_get($$) {
632 my $key = "$_[0]/$_[1]";
633
634 cf::sync_job {
635 BDB::db_get $DB, undef, $key, my $data;
636
637 $! ? ()
638 : $data
430 1 639 }
640}
641
642sub db_put($$$) {
643 BDB::dbreq_pri 4;
644 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
645}
646
647=item cf::cache $id => [$paths...], $processversion => $process
648
649Generic caching function that returns the value of the resource $id,
650caching and regenerating as required.
651
652This function can block.
653
654=cut
655
656sub cache {
657 my ($id, $src, $processversion, $process) = @_;
658
659 my $meta =
660 join "\x00",
661 $processversion,
662 map {
663 aio_stat $_
664 and Carp::croak "$_: $!";
665
666 ($_, (stat _)[7,9])
667 } @$src;
668
669 my $dbmeta = db_get cache => "$id/meta";
670 if ($dbmeta ne $meta) {
671 # changed, we may need to process
672
673 my @data;
674 my $md5;
675
676 for (0 .. $#$src) {
677 0 <= aio_load $src->[$_], $data[$_]
678 or Carp::croak "$src->[$_]: $!";
679 }
680
681 # if processing is expensive, check
682 # checksum first
683 if (1) {
684 $md5 =
685 join "\x00",
686 $processversion,
687 map {
688 cf::cede_to_tick;
689 ($src->[$_], Digest::MD5::md5_hex $data[$_])
690 } 0.. $#$src;
691
692
693 my $dbmd5 = db_get cache => "$id/md5";
694 if ($dbmd5 eq $md5) {
695 db_put cache => "$id/meta", $meta;
696
697 return db_get cache => "$id/data";
698 }
699 }
700
701 my $t1 = Time::HiRes::time;
702 my $data = $process->(\@data);
703 my $t2 = Time::HiRes::time;
704
705 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
706
707 db_put cache => "$id/data", $data;
708 db_put cache => "$id/md5" , $md5;
709 db_put cache => "$id/meta", $meta;
710
711 return $data;
712 }
713
714 db_get cache => "$id/data"
431} 715}
432 716
433=item cf::datalog type => key => value, ... 717=item cf::datalog type => key => value, ...
434 718
435Log a datalog packet of the given type with the given key-value pairs. 719Log a datalog packet of the given type with the given key-value pairs.
447 731
448############################################################################# 732#############################################################################
449 733
450=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
451 735
452Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
455 739
456In the following description, CLASS can be any of C<global>, C<object> 740In 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 741C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 742Deliantra).
459 743
460=over 4 744=over 4
461 745
462=item $attachable->attach ($attachment, key => $value...) 746=item $attachable->attach ($attachment, key => $value...)
463 747
507=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
508 792
509Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
511 795
512Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
514 798
515These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
516 800
517=over 4 801=over 4
665 _attach $registry, $klass, @attach; 949 _attach $registry, $klass, @attach;
666 } 950 }
667 951
668 $obj->{$name} = \%arg; 952 $obj->{$name} = \%arg;
669 } else { 953 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 954 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 955 }
672 956
673 $obj->{_attachment}{$name} = undef; 957 $obj->{_attachment}{$name} = undef;
674} 958}
675 959
715 "; 999 ";
716 die if $@; 1000 die if $@;
717} 1001}
718 1002
719our $override; 1003our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1004our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1005
722sub override { 1006sub override {
723 $override = 1; 1007 $override = 1;
724 @invoke_results = (); 1008 @INVOKE_RESULTS = (@_);
725} 1009}
726 1010
727sub do_invoke { 1011sub do_invoke {
728 my $event = shift; 1012 my $event = shift;
729 my $callbacks = shift; 1013 my $callbacks = shift;
730 1014
731 @invoke_results = (); 1015 @INVOKE_RESULTS = ();
732 1016
733 local $override; 1017 local $override;
734 1018
735 for (@$callbacks) { 1019 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1020 eval { &{$_->[1]} };
745 } 1029 }
746 1030
747 0 1031 0
748} 1032}
749 1033
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1034=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1035
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1037
754Generate an object-specific event with the given arguments. 1038Generate an object-specific event with the given arguments.
755 1039
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1040This 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 1041removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1042results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1043
760=back 1044=back
761 1045
762=cut 1046=cut
763 1047
764############################################################################# 1048#############################################################################
765# object support 1049# object support
1050
1051sub _object_equal($$);
1052sub _object_equal($$) {
1053 my ($a, $b) = @_;
1054
1055 return 0 unless (ref $a) eq (ref $b);
1056
1057 if ("HASH" eq ref $a) {
1058 my @ka = keys %$a;
1059 my @kb = keys %$b;
1060
1061 return 0 if @ka != @kb;
1062
1063 for (0 .. $#ka) {
1064 return 0 unless $ka[$_] eq $kb[$_];
1065 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1066 }
1067
1068 } elsif ("ARRAY" eq ref $a) {
1069
1070 return 0 if @$a != @$b;
1071
1072 for (0 .. $#$a) {
1073 return 0 unless _object_equal $a->[$_], $b->[$_];
1074 }
1075
1076 } elsif ($a ne $b) {
1077 return 0;
1078 }
1079
1080 1
1081}
1082
1083our $SLOW_MERGES;#d#
1084sub _can_merge {
1085 my ($ob1, $ob2) = @_;
1086
1087 ++$SLOW_MERGES;#d#
1088
1089 # we do the slow way here
1090 return _object_equal $ob1, $ob2
1091}
766 1092
767sub reattach { 1093sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1095 my ($obj) = @_;
770 1096
1097 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1098 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1099
773 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
774 1101
775 @$registry = (); 1102 @$registry = ();
776 1103
791cf::attachable->attach ( 1118cf::attachable->attach (
792 prio => -1000000, 1119 prio => -1000000,
793 on_instantiate => sub { 1120 on_instantiate => sub {
794 my ($obj, $data) = @_; 1121 my ($obj, $data) = @_;
795 1122
796 $data = from_json $data; 1123 $data = decode_json $data;
797 1124
798 for (@$data) { 1125 for (@$data) {
799 my ($name, $args) = @$_; 1126 my ($name, $args) = @$_;
800 1127
801 $obj->attach ($name, %{$args || {} }); 1128 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1144sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1145 my ($filename, $rdata, $objs) = @_;
819 1146
820 sync_job { 1147 sync_job {
821 if (length $$rdata) { 1148 if (length $$rdata) {
1149 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1150 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1151 $decname, length $$rdata, scalar @$objs;
824 1152
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1155 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1156 if ($cf::USE_FSYNC) {
1157 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;
1158 aio_fsync $fh;
1159 }
829 close $fh; 1160 aio_close $fh;
830 1161
831 if (@$objs) { 1162 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1163 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1164 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1165 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1166 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1167 if ($cf::USE_FSYNC) {
1168 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;
1169 aio_fsync $fh;
1170 }
837 close $fh; 1171 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1172 aio_rename "$filename.pst~", "$filename.pst";
839 } 1173 }
840 } else { 1174 } else {
841 aio_unlink "$filename.pst"; 1175 aio_unlink "$filename.pst";
842 } 1176 }
843 1177
844 aio_rename "$filename~", $filename; 1178 aio_rename "$filename~", $filename;
1179
1180 $filename =~ s%/[^/]+$%%;
1181 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1182 } else {
846 warn "FATAL: $filename~: $!\n"; 1183 warn "unable to save objects: $filename~: $!\n";
847 } 1184 }
848 } else { 1185 } else {
849 aio_unlink $filename; 1186 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1187 aio_unlink "$filename.pst";
851 } 1188 }
852 } 1189 };
853} 1190}
854 1191
855sub object_freezer_as_string { 1192sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1193 my ($rdata, $objs) = @_;
857 1194
869 or return; 1206 or return;
870 1207
871 unless (aio_stat "$filename.pst") { 1208 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1209 (aio_load "$filename.pst", $av) >= 0
873 or return; 1210 or return;
1211
874 $av = eval { (Storable::thaw $av)->{objs} }; 1212 my $st = eval { Coro::Storable::thaw $av };
1213 $av = $st->{objs};
875 } 1214 }
876 1215
1216 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1217 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1218 $decname, length $data, scalar @{$av || []};
1219
879 return ($data, $av); 1220 ($data, $av)
880} 1221}
1222
1223=head2 COMMAND CALLBACKS
1224
1225=over 4
1226
1227=cut
881 1228
882############################################################################# 1229#############################################################################
883# command handling &c 1230# command handling &c
884 1231
885=item cf::register_command $name => \&callback($ob,$args); 1232=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1245 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1246}
900 1247
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1248=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1249
903Register a callbackf ro execution when the client sends an extcmd packet. 1250Register a callback for execution when the client sends an (synchronous)
1251extcmd packet. Ext commands will be processed in the order they are
1252received by the server, like other user commands. The first argument is
1253the logged-in player. Ext commands can only be processed after a player
1254has logged in successfully.
904 1255
905If the callback returns something, it is sent back as if reply was being 1256If the callback returns something, it is sent back as if reply was being
906called. 1257called.
907 1258
1259=item cf::register_exticmd $name => \&callback($ns,$packet);
1260
1261Register a callback for execution when the client sends an (asynchronous)
1262exticmd packet. Exti commands are processed by the server as soon as they
1263are received, i.e. out of order w.r.t. other commands. The first argument
1264is a client socket. Exti commands can be received anytime, even before
1265log-in.
1266
1267If the callback returns something, it is sent back as if reply was being
1268called.
1269
908=cut 1270=cut
909 1271
910sub register_extcmd { 1272sub register_extcmd {
911 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
912 1274
913 $EXTCMD{$name} = $cb; 1275 $EXTCMD{$name} = $cb;
914} 1276}
1277
1278sub register_exticmd {
1279 my ($name, $cb) = @_;
1280
1281 $EXTICMD{$name} = $cb;
1282}
1283
1284use File::Glob ();
915 1285
916cf::player->attach ( 1286cf::player->attach (
917 on_command => sub { 1287 on_command => sub {
918 my ($pl, $name, $params) = @_; 1288 my ($pl, $name, $params) = @_;
919 1289
927 cf::override; 1297 cf::override;
928 }, 1298 },
929 on_extcmd => sub { 1299 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1300 my ($pl, $buf) = @_;
931 1301
932 my $msg = eval { from_json $buf }; 1302 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1303
934 if (ref $msg) { 1304 if (ref $msg) {
1305 my ($type, $reply, @payload) =
1306 "ARRAY" eq ref $msg
1307 ? @$msg
1308 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1309
1310 my @reply;
1311
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1312 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1313 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1314 }
1315
1316 $pl->ext_reply ($reply, @reply)
1317 if $reply;
1318
940 } else { 1319 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1320 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1321 }
943 1322
944 cf::override; 1323 cf::override;
945 }, 1324 },
946); 1325);
1326
1327# "readahead" all extensions
1328sub cache_extensions {
1329 my $grp = IO::AIO::aio_group;
1330
1331 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1332 for (grep /\.ext$/, @{$_[0]}) {
1333 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1334 }
1335 };
1336
1337 $grp
1338}
947 1339
948sub load_extensions { 1340sub load_extensions {
949 cf::sync_job { 1341 cf::sync_job {
950 my %todo; 1342 my %todo;
951 1343
967 path => $path, 1359 path => $path,
968 base => $base, 1360 base => $base,
969 pkg => $pkg, 1361 pkg => $pkg,
970 ); 1362 );
971 1363
972 $ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 } 1364 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /^#!.*?perl.*?#\s*(.*)$/; 1365 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1366
975 $ext{source} = 1367 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1368 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1369 . "#line 1 \"$path\"\n{\n"
978 . $source 1370 . $source
979 . "\n};\n1"; 1371 . "\n};\n1";
980 1372
981 $todo{$base} = \%ext; 1373 $todo{$base} = \%ext;
984 my %done; 1376 my %done;
985 while (%todo) { 1377 while (%todo) {
986 my $progress; 1378 my $progress;
987 1379
988 while (my ($k, $v) = each %todo) { 1380 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $ext{meta}{depends}) { 1381 for (split /,\s*/, $v->{meta}{depends}) {
990 goto skip 1382 goto skip
991 unless exists $done{$_}; 1383 unless exists $done{$_};
992 } 1384 }
993 1385
994 warn "... loading '$k' into '$v->{pkg}'\n"; 1386 warn "... loading '$k' into '$v->{pkg}'\n";
995 1387
996 unless (eval $v->{source}) { 1388 unless (eval $v->{source}) {
997 my $msg = $@ ? "$v->{path}: $@\n" 1389 my $msg = $@ ? "$v->{path}: $@\n"
998 : "extension disabled.\n"; 1390 : "$v->{base}: extension inactive.\n";
999 1391
1000 if (exists $v->{meta}{mandatory}) { 1392 if (exists $v->{meta}{mandatory}) {
1001 warn $msg; 1393 warn $msg;
1002 warn "mandatory extension failed to load, exiting.\n"; 1394 cf::cleanup "mandatory extension failed to load, exiting.";
1003 exit 1;
1004 } 1395 }
1005 1396
1006 die $msg; 1397 warn $msg;
1007 } 1398 }
1008 1399
1009 $done{$k} = delete $todo{$k}; 1400 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg}; 1401 push @EXTS, $v->{pkg};
1402 $progress = 1;
1011 } 1403 }
1012 1404
1013 skip: 1405 skip:
1014 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1406 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015 unless $progress; 1407 unless $progress;
1017 }; 1409 };
1018} 1410}
1019 1411
1020############################################################################# 1412#############################################################################
1021 1413
1414=back
1415
1022=head2 CORE EXTENSIONS 1416=head2 CORE EXTENSIONS
1023 1417
1024Functions and methods that extend core crossfire objects. 1418Functions and methods that extend core deliantra objects.
1025 1419
1026=cut 1420=cut
1027 1421
1028package cf::player; 1422package cf::player;
1029 1423
1030use Coro::AIO; 1424use Coro::AIO;
1031 1425
1032=head3 cf::player 1426=head3 cf::player
1033 1427
1034=over 4 1428=over 4
1429
1430=item cf::player::num_playing
1431
1432Returns the official number of playing players, as per the Crossfire metaserver rules.
1433
1434=cut
1435
1436sub num_playing {
1437 scalar grep
1438 $_->ob->map
1439 && !$_->hidden
1440 && !$_->ob->flag (cf::FLAG_WIZ),
1441 cf::player::list
1442}
1035 1443
1036=item cf::player::find $login 1444=item cf::player::find $login
1037 1445
1038Returns the given player object, loading it if necessary (might block). 1446Returns the given player object, loading it if necessary (might block).
1039 1447
1058 1466
1059sub exists($) { 1467sub exists($) {
1060 my ($login) = @_; 1468 my ($login) = @_;
1061 1469
1062 $cf::PLAYER{$login} 1470 $cf::PLAYER{$login}
1063 or cf::sync_job { !aio_stat path $login } 1471 or !aio_stat path $login
1064} 1472}
1065 1473
1066sub find($) { 1474sub find($) {
1067 return $cf::PLAYER{$_[0]} || do { 1475 return $cf::PLAYER{$_[0]} || do {
1068 my $login = $_[0]; 1476 my $login = $_[0];
1075 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1483 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1484 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1485 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078 aio_unlink +(playerdir $login) . "/$login.pl"; 1486 aio_unlink +(playerdir $login) . "/$login.pl";
1079 1487
1080 my $pl = load_pl path $login 1488 my $f = new_from_file cf::object::thawer path $login
1081 or return; 1489 or return;
1490
1491 my $pl = cf::player::load_pl $f
1492 or return;
1493
1494 local $cf::PLAYER_LOADING{$login} = $pl;
1495 $f->resolve_delayed_derefs;
1082 $cf::PLAYER{$login} = $pl 1496 $cf::PLAYER{$login} = $pl
1083 } 1497 }
1084 } 1498 }
1085} 1499}
1086 1500
1095 return if $pl->{deny_save}; 1509 return if $pl->{deny_save};
1096 1510
1097 aio_mkdir playerdir $pl, 0770; 1511 aio_mkdir playerdir $pl, 0770;
1098 $pl->{last_save} = $cf::RUNTIME; 1512 $pl->{last_save} = $cf::RUNTIME;
1099 1513
1514 cf::get_slot 0.01;
1515
1100 $pl->save_pl ($path); 1516 $pl->save_pl ($path);
1101 Coro::cede; 1517 cf::cede_to_tick;
1102} 1518}
1103 1519
1104sub new($) { 1520sub new($) {
1105 my ($login) = @_; 1521 my ($login) = @_;
1106 1522
1112 $cf::PLAYER{$login} = $self; 1528 $cf::PLAYER{$login} = $self;
1113 1529
1114 $self 1530 $self
1115} 1531}
1116 1532
1533=item $player->send_msg ($channel, $msg, $color, [extra...])
1534
1535=cut
1536
1537sub send_msg {
1538 my $ns = shift->ns
1539 or return;
1540 $ns->send_msg (@_);
1541}
1542
1117=item $pl->quit_character 1543=item $pl->quit_character
1118 1544
1119Nukes the player without looking back. If logged in, the connection will 1545Nukes the player without looking back. If logged in, the connection will
1120be destroyed. May block for a long time. 1546be destroyed. May block for a long time.
1121 1547
1125 my ($pl) = @_; 1551 my ($pl) = @_;
1126 1552
1127 my $name = $pl->ob->name; 1553 my $name = $pl->ob->name;
1128 1554
1129 $pl->{deny_save} = 1; 1555 $pl->{deny_save} = 1;
1130 $pl->password ("*"); # this should lock out the player until we nuked the dir 1556 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1131 1557
1132 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1558 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133 $pl->deactivate; 1559 $pl->deactivate;
1560 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1561 $pl->ob->check_score;
1134 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1562 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1135 $pl->ns->destroy if $pl->ns; 1563 $pl->ns->destroy if $pl->ns;
1136 1564
1137 my $path = playerdir $pl; 1565 my $path = playerdir $pl;
1138 my $temp = "$path~$cf::RUNTIME~deleting~"; 1566 my $temp = "$path~$cf::RUNTIME~deleting~";
1174 or return []; 1602 or return [];
1175 1603
1176 my @logins; 1604 my @logins;
1177 1605
1178 for my $login (@$dirs) { 1606 for my $login (@$dirs) {
1607 my $path = path $login;
1608
1609 # a .pst is a dead give-away for a valid player
1610 # if no pst file found, open and chekc for blocked users
1611 if (aio_stat "$path.pst") {
1179 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1612 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180 aio_read $fh, 0, 512, my $buf, 0 or next; 1613 aio_read $fh, 0, 512, my $buf, 0 or next;
1181 $buf !~ /^password -------------$/m or next; # official not-valid tag 1614 $buf !~ /^password -------------$/m or next; # official not-valid tag
1615 }
1182 1616
1183 utf8::decode $login; 1617 utf8::decode $login;
1184 push @logins, $login; 1618 push @logins, $login;
1185 } 1619 }
1186 1620
1213 } 1647 }
1214 1648
1215 \@paths 1649 \@paths
1216} 1650}
1217 1651
1652=item $protocol_xml = $player->expand_cfpod ($cfpod)
1653
1654Expand deliantra pod fragments into protocol xml.
1655
1218=item $player->ext_reply ($msgid, %msg) 1656=item $player->ext_reply ($msgid, @msg)
1219 1657
1220Sends an ext reply to the player. 1658Sends an ext reply to the player.
1221 1659
1222=cut 1660=cut
1223 1661
1224sub ext_reply($$%) { 1662sub ext_reply($$@) {
1225 my ($self, $id, %msg) = @_; 1663 my ($self, $id, @msg) = @_;
1226 1664
1227 $msg{msgid} = $id; 1665 $self->ns->ext_reply ($id, @msg)
1228
1229 $self->send ("ext " . cf::to_json \%msg);
1230} 1666}
1231 1667
1232=item $player->ext_event ($type, %msg) 1668=item $player->ext_msg ($type, @msg)
1233 1669
1234Sends an ext event to the client. 1670Sends an ext event to the client.
1235 1671
1236=cut 1672=cut
1237 1673
1238sub ext_event($$%) { 1674sub ext_msg($$@) {
1239 my ($self, $type, %msg) = @_; 1675 my ($self, $type, @msg) = @_;
1240 1676
1241 $self->ns->ext_event ($type, %msg); 1677 $self->ns->ext_msg ($type, @msg);
1242} 1678}
1243 1679
1244=head3 cf::region 1680=head3 cf::region
1245 1681
1246=over 4 1682=over 4
1249 1685
1250package cf::region; 1686package cf::region;
1251 1687
1252=item cf::region::find_by_path $path 1688=item cf::region::find_by_path $path
1253 1689
1254Tries to decuce the probable region for a map knowing only its path. 1690Tries to decuce the likely region for a map knowing only its path.
1255 1691
1256=cut 1692=cut
1257 1693
1258sub find_by_path($) { 1694sub find_by_path($) {
1259 my ($path) = @_; 1695 my ($path) = @_;
1260 1696
1261 my ($match, $specificity); 1697 my ($match, $specificity);
1262 1698
1263 for my $region (list) { 1699 for my $region (list) {
1264 if ($region->match && $path =~ $region->match) { 1700 if ($region->{match} && $path =~ $region->{match}) {
1265 ($match, $specificity) = ($region, $region->specificity) 1701 ($match, $specificity) = ($region, $region->specificity)
1266 if $region->specificity > $specificity; 1702 if $region->specificity > $specificity;
1267 } 1703 }
1268 } 1704 }
1269 1705
1290our $MAX_RESET = 3600; 1726our $MAX_RESET = 3600;
1291our $DEFAULT_RESET = 3000; 1727our $DEFAULT_RESET = 3000;
1292 1728
1293sub generate_random_map { 1729sub generate_random_map {
1294 my ($self, $rmp) = @_; 1730 my ($self, $rmp) = @_;
1731
1732 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1733
1295 # mit "rum" bekleckern, nicht 1734 # mit "rum" bekleckern, nicht
1296 $self->_create_random_map ( 1735 $self->_create_random_map (
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1736 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1737 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1738 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1389 $self->init; # pass $1 etc. 1828 $self->init; # pass $1 etc.
1390 return $self; 1829 return $self;
1391 } 1830 }
1392 } 1831 }
1393 1832
1394 Carp::carp "unable to resolve path '$path' (base '$base')."; 1833 Carp::cluck "unable to resolve path '$path' (base '$base').";
1395 () 1834 ()
1396} 1835}
1397 1836
1398sub init { 1837sub init {
1399 my ($self) = @_; 1838 my ($self) = @_;
1421 1860
1422# the temporary/swap location 1861# the temporary/swap location
1423sub save_path { 1862sub save_path {
1424 my ($self) = @_; 1863 my ($self) = @_;
1425 1864
1426 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1865 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427 "$TMPDIR/$path.map" 1866 "$TMPDIR/$path.map"
1428} 1867}
1429 1868
1430# the unique path, undef == no special unique path 1869# the unique path, undef == no special unique path
1431sub uniq_path { 1870sub uniq_path {
1432 my ($self) = @_; 1871 my ($self) = @_;
1433 1872
1434 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1873 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435 "$UNIQUEDIR/$path" 1874 "$UNIQUEDIR/$path"
1436}
1437
1438# and all this just because we cannot iterate over
1439# all maps in C++...
1440sub change_all_map_light {
1441 my ($change) = @_;
1442
1443 $_->change_map_light ($change)
1444 for grep $_->outdoor, values %cf::MAP;
1445} 1875}
1446 1876
1447sub decay_objects { 1877sub decay_objects {
1448 my ($self) = @_; 1878 my ($self) = @_;
1449 1879
1462 1892
1463sub load_header_from($) { 1893sub load_header_from($) {
1464 my ($self, $path) = @_; 1894 my ($self, $path) = @_;
1465 1895
1466 utf8::encode $path; 1896 utf8::encode $path;
1467 #aio_open $path, O_RDONLY, 0 1897 my $f = new_from_file cf::object::thawer $path
1468 # or return;
1469
1470 $self->_load_header ($path)
1471 or return; 1898 or return;
1899
1900 $self->_load_header ($f)
1901 or return;
1902
1903 local $MAP_LOADING{$self->{path}} = $self;
1904 $f->resolve_delayed_derefs;
1472 1905
1473 $self->{load_path} = $path; 1906 $self->{load_path} = $path;
1474 1907
1475 1 1908 1
1476} 1909}
1530sub find { 1963sub find {
1531 my ($path, $origin) = @_; 1964 my ($path, $origin) = @_;
1532 1965
1533 $path = normalise $path, $origin && $origin->path; 1966 $path = normalise $path, $origin && $origin->path;
1534 1967
1968 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535 cf::lock_wait "map_find:$path"; 1969 my $guard2 = cf::lock_acquire "map_find:$path";
1536 1970
1537 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1538 my $guard = cf::lock_acquire "map_find:$path";
1539 my $map = new_from_path cf::map $path 1972 my $map = new_from_path cf::map $path
1540 or return; 1973 or return;
1541 1974
1542 $map->{last_save} = $cf::RUNTIME; 1975 $map->{last_save} = $cf::RUNTIME;
1543 1976
1545 or return; 1978 or return;
1546 1979
1547 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1980 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548 # doing this can freeze the server in a sync job, obviously 1981 # doing this can freeze the server in a sync job, obviously
1549 #$cf::WAIT_FOR_TICK->wait; 1982 #$cf::WAIT_FOR_TICK->wait;
1983 undef $guard2;
1984 undef $guard1;
1550 $map->reset; 1985 $map->reset;
1551 undef $guard;
1552 return find $path; 1986 return find $path;
1553 } 1987 }
1554 1988
1555 $cf::MAP{$path} = $map 1989 $cf::MAP{$path} = $map
1556 } 1990 }
1565 local $self->{deny_reset} = 1; # loading can take a long time 1999 local $self->{deny_reset} = 1; # loading can take a long time
1566 2000
1567 my $path = $self->{path}; 2001 my $path = $self->{path};
1568 2002
1569 { 2003 {
1570 my $guard = cf::lock_acquire "map_load:$path"; 2004 my $guard = cf::lock_acquire "map_data:$path";
1571 2005
2006 return unless $self->valid;
1572 return if $self->in_memory != cf::MAP_SWAPPED; 2007 return unless $self->in_memory == cf::MAP_SWAPPED;
1573 2008
1574 $self->in_memory (cf::MAP_LOADING); 2009 $self->in_memory (cf::MAP_LOADING);
1575 2010
1576 $self->alloc; 2011 $self->alloc;
1577 2012
1578 $self->pre_load; 2013 $self->pre_load;
1579 Coro::cede; 2014 cf::cede_to_tick;
1580 2015
2016 my $f = new_from_file cf::object::thawer $self->{load_path};
2017 $f->skip_block;
1581 $self->_load_objects ($self->{load_path}, 1) 2018 $self->_load_objects ($f)
1582 or return; 2019 or return;
1583 2020
1584 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2021 $self->post_load_original
1585 if delete $self->{load_original}; 2022 if delete $self->{load_original};
1586 2023
1587 if (my $uniq = $self->uniq_path) { 2024 if (my $uniq = $self->uniq_path) {
1588 utf8::encode $uniq; 2025 utf8::encode $uniq;
1589 if (aio_open $uniq, O_RDONLY, 0) { 2026 unless (aio_stat $uniq) {
2027 if (my $f = new_from_file cf::object::thawer $uniq) {
1590 $self->clear_unique_items; 2028 $self->clear_unique_items;
1591 $self->_load_objects ($uniq, 0); 2029 $self->_load_objects ($f);
2030 $f->resolve_delayed_derefs;
2031 }
1592 } 2032 }
1593 } 2033 }
1594 2034
1595 Coro::cede; 2035 $f->resolve_delayed_derefs;
2036
2037 cf::cede_to_tick;
1596 # now do the right thing for maps 2038 # now do the right thing for maps
1597 $self->link_multipart_objects; 2039 $self->link_multipart_objects;
1598 $self->difficulty ($self->estimate_difficulty) 2040 $self->difficulty ($self->estimate_difficulty)
1599 unless $self->difficulty; 2041 unless $self->difficulty;
1600 Coro::cede; 2042 cf::cede_to_tick;
1601 2043
1602 unless ($self->{deny_activate}) { 2044 unless ($self->{deny_activate}) {
1603 $self->decay_objects; 2045 $self->decay_objects;
1604 $self->fix_auto_apply; 2046 $self->fix_auto_apply;
1605 $self->update_buttons; 2047 $self->update_buttons;
1606 Coro::cede; 2048 cf::cede_to_tick;
1607 $self->set_darkness_map;
1608 Coro::cede;
1609 $self->activate; 2049 $self->activate;
1610 } 2050 }
1611 2051
2052 $self->{last_save} = $cf::RUNTIME;
2053 $self->last_access ($cf::RUNTIME);
2054
1612 $self->in_memory (cf::MAP_IN_MEMORY); 2055 $self->in_memory (cf::MAP_ACTIVE);
1613 } 2056 }
1614 2057
1615 $self->post_load; 2058 $self->post_load;
1616} 2059}
1617 2060
1626 2069
1627 $self 2070 $self
1628} 2071}
1629 2072
1630# find and load all maps in the 3x3 area around a map 2073# find and load all maps in the 3x3 area around a map
1631sub load_diag { 2074sub load_neighbours {
1632 my ($map) = @_; 2075 my ($map) = @_;
1633 2076
1634 my @diag; # diagonal neighbours 2077 my @neigh; # diagonal neighbours
1635 2078
1636 for (0 .. 3) { 2079 for (0 .. 3) {
1637 my $neigh = $map->tile_path ($_) 2080 my $neigh = $map->tile_path ($_)
1638 or next; 2081 or next;
1639 $neigh = find $neigh, $map 2082 $neigh = find $neigh, $map
1640 or next; 2083 or next;
1641 $neigh->load; 2084 $neigh->load;
1642 2085
2086 push @neigh,
1643 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2087 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1644 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2088 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1645 } 2089 }
1646 2090
1647 for (@diag) { 2091 for (grep defined $_->[0], @neigh) {
2092 my ($path, $origin) = @$_;
1648 my $neigh = find @$_ 2093 my $neigh = find $path, $origin
1649 or next; 2094 or next;
1650 $neigh->load; 2095 $neigh->load;
1651 } 2096 }
1652} 2097}
1653 2098
1658} 2103}
1659 2104
1660sub do_load_sync { 2105sub do_load_sync {
1661 my ($map) = @_; 2106 my ($map) = @_;
1662 2107
2108 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2109 if $Coro::current == $Coro::main;
2110
1663 cf::sync_job { $map->load }; 2111 cf::sync_job { $map->load };
1664} 2112}
1665 2113
1666our %MAP_PREFETCH; 2114our %MAP_PREFETCH;
1667our $MAP_PREFETCHER = undef; 2115our $MAP_PREFETCHER = undef;
1668 2116
1669sub find_async { 2117sub find_async {
1670 my ($path, $origin) = @_; 2118 my ($path, $origin, $load) = @_;
1671 2119
1672 $path = normalise $path, $origin && $origin->{path}; 2120 $path = normalise $path, $origin && $origin->{path};
1673 2121
1674 if (my $map = $cf::MAP{$path}) { 2122 if (my $map = $cf::MAP{$path}) {
1675 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2123 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676 } 2124 }
1677 2125
1678 undef $MAP_PREFETCH{$path}; 2126 $MAP_PREFETCH{$path} |= $load;
2127
1679 $MAP_PREFETCHER ||= cf::async { 2128 $MAP_PREFETCHER ||= cf::async {
2129 $Coro::current->{desc} = "map prefetcher";
2130
1680 while (%MAP_PREFETCH) { 2131 while (%MAP_PREFETCH) {
1681 for my $path (keys %MAP_PREFETCH) { 2132 while (my ($k, $v) = each %MAP_PREFETCH) {
1682 my $map = find $path 2133 if (my $map = find $k) {
1683 or next;
1684 $map->load; 2134 $map->load if $v;
2135 }
1685 2136
1686 delete $MAP_PREFETCH{$path}; 2137 delete $MAP_PREFETCH{$k};
1687 } 2138 }
1688 } 2139 }
1689 undef $MAP_PREFETCHER; 2140 undef $MAP_PREFETCHER;
1690 }; 2141 };
1691 $MAP_PREFETCHER->prio (6); 2142 $MAP_PREFETCHER->prio (6);
1694} 2145}
1695 2146
1696sub save { 2147sub save {
1697 my ($self) = @_; 2148 my ($self) = @_;
1698 2149
1699 my $lock = cf::lock_acquire "map_data:" . $self->path; 2150 my $lock = cf::lock_acquire "map_data:$self->{path}";
1700 2151
1701 $self->{last_save} = $cf::RUNTIME; 2152 $self->{last_save} = $cf::RUNTIME;
1702 2153
1703 return unless $self->dirty; 2154 return unless $self->dirty;
1704 2155
1710 return if $self->{deny_save}; 2161 return if $self->{deny_save};
1711 2162
1712 local $self->{last_access} = $self->last_access;#d# 2163 local $self->{last_access} = $self->last_access;#d#
1713 2164
1714 cf::async { 2165 cf::async {
2166 $Coro::current->{desc} = "map player save";
1715 $_->contr->save for $self->players; 2167 $_->contr->save for $self->players;
1716 }; 2168 };
2169
2170 cf::get_slot 0.02;
1717 2171
1718 if ($uniq) { 2172 if ($uniq) {
1719 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2173 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2174 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1721 } else { 2175 } else {
1727 my ($self) = @_; 2181 my ($self) = @_;
1728 2182
1729 # save first because save cedes 2183 # save first because save cedes
1730 $self->save; 2184 $self->save;
1731 2185
1732 my $lock = cf::lock_acquire "map_data:" . $self->path; 2186 my $lock = cf::lock_acquire "map_data:$self->{path}";
1733 2187
1734 return if $self->players; 2188 return if $self->players;
1735 return if $self->in_memory != cf::MAP_IN_MEMORY; 2189 return if $self->in_memory != cf::MAP_ACTIVE;
1736 return if $self->{deny_save}; 2190 return if $self->{deny_save};
1737 2191
2192 $self->in_memory (cf::MAP_SWAPPED);
2193
2194 $self->deactivate;
2195 $_->clear_links_to ($self) for values %cf::MAP;
1738 $self->clear; 2196 $self->clear;
1739 $self->in_memory (cf::MAP_SWAPPED);
1740} 2197}
1741 2198
1742sub reset_at { 2199sub reset_at {
1743 my ($self) = @_; 2200 my ($self) = @_;
1744 2201
1776 if $uniq; 2233 if $uniq;
1777 } 2234 }
1778 2235
1779 delete $cf::MAP{$self->path}; 2236 delete $cf::MAP{$self->path};
1780 2237
2238 $self->deactivate;
2239 $_->clear_links_to ($self) for values %cf::MAP;
1781 $self->clear; 2240 $self->clear;
1782
1783 $_->clear_links_to ($self) for values %cf::MAP;
1784 2241
1785 $self->unlink_save; 2242 $self->unlink_save;
1786 $self->destroy; 2243 $self->destroy;
1787} 2244}
1788 2245
1789my $nuke_counter = "aaaa"; 2246my $nuke_counter = "aaaa";
1790 2247
1791sub nuke { 2248sub nuke {
1792 my ($self) = @_; 2249 my ($self) = @_;
1793 2250
2251 {
2252 my $lock = cf::lock_acquire "map_data:$self->{path}";
2253
1794 delete $cf::MAP{$self->path}; 2254 delete $cf::MAP{$self->path};
1795 2255
1796 $self->unlink_save; 2256 $self->unlink_save;
1797 2257
1798 bless $self, "cf::map"; 2258 bless $self, "cf::map";
1799 delete $self->{deny_reset}; 2259 delete $self->{deny_reset};
1800 $self->{deny_save} = 1; 2260 $self->{deny_save} = 1;
1801 $self->reset_timeout (1); 2261 $self->reset_timeout (1);
1802 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2262 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803 2263
1804 $cf::MAP{$self->path} = $self; 2264 $cf::MAP{$self->path} = $self;
2265 }
1805 2266
1806 $self->reset; # polite request, might not happen 2267 $self->reset; # polite request, might not happen
1807} 2268}
1808 2269
1809=item $maps = cf::map::tmp_maps 2270=item $maps = cf::map::tmp_maps
1851 2312
1852sub unique_maps() { 2313sub unique_maps() {
1853 [ 2314 [
1854 map { 2315 map {
1855 utf8::decode $_; 2316 utf8::decode $_;
1856 /\.map$/ 2317 s/\.map$//; # TODO future compatibility hack
2318 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2319 ? ()
1857 ? normalise $_ 2320 : normalise $_
1858 : ()
1859 } @{ aio_readdir $UNIQUEDIR or [] } 2321 } @{ aio_readdir $UNIQUEDIR or [] }
1860 ] 2322 ]
1861} 2323}
1862 2324
1863package cf;
1864
1865=back 2325=back
1866 2326
1867=head3 cf::object 2327=head3 cf::object
1868 2328
1869=cut 2329=cut
1872 2332
1873=over 4 2333=over 4
1874 2334
1875=item $ob->inv_recursive 2335=item $ob->inv_recursive
1876 2336
1877Returns the inventory of the object _and_ their inventories, recursively. 2337Returns the inventory of the object I<and> their inventories, recursively,
2338but I<not> the object itself.
1878 2339
1879=cut 2340=cut
1880 2341
1881sub inv_recursive_; 2342sub inv_recursive_;
1882sub inv_recursive_ { 2343sub inv_recursive_ {
1885 2346
1886sub inv_recursive { 2347sub inv_recursive {
1887 inv_recursive_ inv $_[0] 2348 inv_recursive_ inv $_[0]
1888} 2349}
1889 2350
2351=item $ref = $ob->ref
2352
2353Creates and returns a persistent reference to an object that can be stored as a string.
2354
2355=item $ob = cf::object::deref ($refstring)
2356
2357returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2358even if the object actually exists. May block.
2359
2360=cut
2361
2362sub deref {
2363 my ($ref) = @_;
2364
2365 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2366 my ($uuid, $name) = ($1, $2);
2367 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2368 or return;
2369 $pl->ob->uuid eq $uuid
2370 or return;
2371
2372 $pl->ob
2373 } else {
2374 warn "$ref: cannot resolve object reference\n";
2375 undef
2376 }
2377}
2378
1890package cf; 2379package cf;
1891 2380
1892=back 2381=back
1893 2382
1894=head3 cf::object::player 2383=head3 cf::object::player
1900Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2389Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901can be C<undef>. Does the right thing when the player is currently in a 2390can be C<undef>. Does the right thing when the player is currently in a
1902dialogue with the given NPC character. 2391dialogue with the given NPC character.
1903 2392
1904=cut 2393=cut
2394
2395our $SAY_CHANNEL = {
2396 id => "say",
2397 title => "Map",
2398 reply => "say ",
2399 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2400};
2401
2402our $CHAT_CHANNEL = {
2403 id => "chat",
2404 title => "Chat",
2405 reply => "chat ",
2406 tooltip => "Player chat and shouts, global to the server.",
2407};
1905 2408
1906# rough implementation of a future "reply" method that works 2409# rough implementation of a future "reply" method that works
1907# with dialog boxes. 2410# with dialog boxes.
1908#TODO: the first argument must go, split into a $npc->reply_to ( method 2411#TODO: the first argument must go, split into a $npc->reply_to ( method
1909sub cf::object::player::reply($$$;$) { 2412sub cf::object::player::reply($$$;$) {
1911 2414
1912 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2415 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913 2416
1914 if ($self->{record_replies}) { 2417 if ($self->{record_replies}) {
1915 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2418 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2419
1916 } else { 2420 } else {
2421 my $pl = $self->contr;
2422
2423 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2424 my $dialog = $pl->{npc_dialog};
2425 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2426
2427 } else {
1917 $msg = $npc->name . " says: $msg" if $npc; 2428 $msg = $npc->name . " says: $msg" if $npc;
1918 $self->message ($msg, $flags); 2429 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2430 }
1919 } 2431 }
2432}
2433
2434=item $object->send_msg ($channel, $msg, $color, [extra...])
2435
2436=cut
2437
2438sub cf::object::send_msg {
2439 my $pl = shift->contr
2440 or return;
2441 $pl->send_msg (@_);
1920} 2442}
1921 2443
1922=item $player_object->may ("access") 2444=item $player_object->may ("access")
1923 2445
1924Returns wether the given player is authorized to access resource "access" 2446Returns wether the given player is authorized to access resource "access"
1937 2459
1938=item $player_object->enter_link 2460=item $player_object->enter_link
1939 2461
1940Freezes the player and moves him/her to a special map (C<{link}>). 2462Freezes the player and moves him/her to a special map (C<{link}>).
1941 2463
1942The player should be reasonably safe there for short amounts of time. You 2464The player should be reasonably safe there for short amounts of time (e.g.
1943I<MUST> call C<leave_link> as soon as possible, though. 2465for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2466though, as the palyer cannot control the character while it is on the link
2467map.
1944 2468
1945Will never block. 2469Will never block.
1946 2470
1947=item $player_object->leave_link ($map, $x, $y) 2471=item $player_object->leave_link ($map, $x, $y)
1948 2472
2003 # use -1 or undef as default coordinates, not 0, 0 2527 # use -1 or undef as default coordinates, not 0, 0
2004 ($x, $y) = ($map->enter_x, $map->enter_y) 2528 ($x, $y) = ($map->enter_x, $map->enter_y)
2005 if $x <=0 && $y <= 0; 2529 if $x <=0 && $y <= 0;
2006 2530
2007 $map->load; 2531 $map->load;
2008 $map->load_diag; 2532 $map->load_neighbours;
2009 2533
2010 return unless $self->contr->active; 2534 return unless $self->contr->active;
2535 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2011 $self->activate_recursive; 2536 $self->activate_recursive;
2012 2537
2013 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2538 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014 $self->enter_map ($map, $x, $y); 2539 $self->enter_map ($map, $x, $y);
2015} 2540}
2016 2541
2017=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2542=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018 2543
2019Moves the player to the given map-path and coordinates by first freezing 2544Moves the player to the given map-path and coordinates by first freezing
2020her, loading and preparing them map, calling the provided $check callback 2545her, loading and preparing them map, calling the provided $check callback
2021that has to return the map if sucecssful, and then unfreezes the player on 2546that has to return the map if sucecssful, and then unfreezes the player on
2022the new (success) or old (failed) map position. 2547the new (success) or old (failed) map position. In either case, $done will
2548be called at the end of this process.
2549
2550Note that $check will be called with a potentially non-loaded map, so if
2551it needs a loaded map it has to call C<< ->load >>.
2023 2552
2024=cut 2553=cut
2025 2554
2026our $GOTOGEN; 2555our $GOTOGEN;
2027 2556
2028sub cf::object::player::goto { 2557sub cf::object::player::goto {
2029 my ($self, $path, $x, $y, $check) = @_; 2558 my ($self, $path, $x, $y, $check, $done) = @_;
2030 2559
2031 # do generation counting so two concurrent goto's will be executed in-order 2560 # do generation counting so two concurrent goto's will be executed in-order
2032 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2561 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033 2562
2034 $self->enter_link; 2563 $self->enter_link;
2035 2564
2036 (async { 2565 (async {
2566 $Coro::current->{desc} = "player::goto $path $x $y";
2567
2568 # *tag paths override both path and x|y
2569 if ($path =~ /^\*(.*)$/) {
2570 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2571 my $ob = $obs[rand @obs];
2572
2573 # see if we actually can go there
2574 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2575 $ob = $obs[rand @obs];
2576 } else {
2577 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579 # else put us there anyways for now #d#
2580
2581 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2582 } else {
2583 ($path, $x, $y) = (undef, undef, undef);
2584 }
2585 }
2586
2037 my $map = eval { 2587 my $map = eval {
2038 my $map = cf::map::find $path; 2588 my $map = defined $path ? cf::map::find $path : undef;
2039 2589
2040 if ($map) { 2590 if ($map) {
2041 $map = $map->customise_for ($self); 2591 $map = $map->customise_for ($self);
2042 $map = $check->($map) if $check && $map; 2592 $map = $check->($map) if $check && $map;
2043 } else { 2593 } else {
2044 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2594 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045 } 2595 }
2046 2596
2047 $map 2597 $map
2048 }; 2598 };
2049 2599
2054 2604
2055 if ($gen == $self->{_goto_generation}) { 2605 if ($gen == $self->{_goto_generation}) {
2056 delete $self->{_goto_generation}; 2606 delete $self->{_goto_generation};
2057 $self->leave_link ($map, $x, $y); 2607 $self->leave_link ($map, $x, $y);
2058 } 2608 }
2609
2610 $done->() if $done;
2059 })->prio (1); 2611 })->prio (1);
2060} 2612}
2061 2613
2062=item $player_object->enter_exit ($exit_object) 2614=item $player_object->enter_exit ($exit_object)
2063 2615
2083} 2635}
2084 2636
2085sub prepare_random_map { 2637sub prepare_random_map {
2086 my ($exit) = @_; 2638 my ($exit) = @_;
2087 2639
2088 my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090 # all this does is basically replace the /! path by 2640 # all this does is basically replace the /! path by
2091 # a new random map path (?random/...) with a seed 2641 # a new random map path (?random/...) with a seed
2092 # that depends on the exit object 2642 # that depends on the exit object
2093 2643
2094 my $rmp = parse_random_map_params $exit->msg; 2644 my $rmp = parse_random_map_params $exit->msg;
2096 if ($exit->map) { 2646 if ($exit->map) {
2097 $rmp->{region} = $exit->region->name; 2647 $rmp->{region} = $exit->region->name;
2098 $rmp->{origin_map} = $exit->map->path; 2648 $rmp->{origin_map} = $exit->map->path;
2099 $rmp->{origin_x} = $exit->x; 2649 $rmp->{origin_x} = $exit->x;
2100 $rmp->{origin_y} = $exit->y; 2650 $rmp->{origin_y} = $exit->y;
2651
2652 $exit->map->touch;
2101 } 2653 }
2102 2654
2103 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
2104 2656
2105 my $data = cf::to_json $rmp; 2657 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2107 my $meta = "$RANDOMDIR/$md5.meta"; 2659 my $meta = "$RANDOMDIR/$md5.meta";
2108 2660
2109 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
2111 undef $fh; 2663 undef $fh;
2112 aio_rename "$meta~", $meta; 2664 aio_rename "$meta~", $meta;
2113 2665
2666 my $slaying = "?random/$md5";
2667
2668 if ($exit->valid) {
2114 $exit->slaying ("?random/$md5"); 2669 $exit->slaying ("?random/$md5");
2115 $exit->msg (undef); 2670 $exit->msg (undef);
2671 }
2116 } 2672 }
2117} 2673}
2118 2674
2119sub cf::object::player::enter_exit { 2675sub cf::object::player::enter_exit {
2120 my ($self, $exit) = @_; 2676 my ($self, $exit) = @_;
2121 2677
2122 return unless $self->type == cf::PLAYER; 2678 return unless $self->type == cf::PLAYER;
2123 2679
2124 if ($exit->slaying eq "/!") {
2125 #TODO: this should de-fi-ni-te-ly not be a sync-job
2126 # the problem is that $exit might not survive long enough
2127 # so it needs to be done right now, right here
2128 cf::sync_job { prepare_random_map $exit };
2129 }
2130
2131 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132 my $hp = $exit->stats->hp;
2133 my $sp = $exit->stats->sp;
2134
2135 $self->enter_link; 2680 $self->enter_link;
2136 2681
2137 (async { 2682 (async {
2138 $self->deactivate_recursive; # just to be sure 2683 $Coro::current->{desc} = "enter_exit";
2684
2139 unless (eval { 2685 unless (eval {
2686 $self->deactivate_recursive; # just to be sure
2687
2688 # random map handling
2689 {
2690 my $guard = cf::lock_acquire "exit_prepare:$exit";
2691
2692 prepare_random_map $exit
2693 if $exit->slaying eq "/!";
2694 }
2695
2696 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2697 my $x = $exit->stats->hp;
2698 my $y = $exit->stats->sp;
2699
2140 $self->goto ($slaying, $hp, $sp); 2700 $self->goto ($map, $x, $y);
2141 2701
2702 # if exit is damned, update players death & WoR home-position
2703 $self->contr->savebed ($map, $x, $y)
2704 if $exit->flag (cf::FLAG_DAMNED);
2705
2142 1; 2706 1
2143 }) { 2707 }) {
2144 $self->message ("Something went wrong deep within the crossfire server. " 2708 $self->message ("Something went wrong deep within the deliantra server. "
2145 . "I'll try to bring you back to the map you were before. " 2709 . "I'll try to bring you back to the map you were before. "
2146 . "Please report this to the dungeon master!", 2710 . "Please report this to the dungeon master!",
2147 cf::NDI_UNIQUE | cf::NDI_RED); 2711 cf::NDI_UNIQUE | cf::NDI_RED);
2148 2712
2149 warn "ERROR in enter_exit: $@"; 2713 warn "ERROR in enter_exit: $@";
2168 2732
2169 utf8::encode $text; 2733 utf8::encode $text;
2170 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2734 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171} 2735}
2172 2736
2737=item $client->send_msg ($channel, $msg, $color, [extra...])
2738
2739Send a drawinfo or msg packet to the client, formatting the msg for the
2740client if neccessary. C<$type> should be a string identifying the type of
2741the message, with C<log> being the default. If C<$color> is negative, suppress
2742the message unless the client supports the msg packet.
2743
2744=cut
2745
2746# non-persistent channels (usually the info channel)
2747our %CHANNEL = (
2748 "c/identify" => {
2749 id => "infobox",
2750 title => "Identify",
2751 reply => undef,
2752 tooltip => "Items recently identified",
2753 },
2754 "c/examine" => {
2755 id => "infobox",
2756 title => "Examine",
2757 reply => undef,
2758 tooltip => "Signs and other items you examined",
2759 },
2760 "c/book" => {
2761 id => "infobox",
2762 title => "Book",
2763 reply => undef,
2764 tooltip => "The contents of a note or book",
2765 },
2766 "c/lookat" => {
2767 id => "infobox",
2768 title => "Look",
2769 reply => undef,
2770 tooltip => "What you saw there",
2771 },
2772 "c/who" => {
2773 id => "infobox",
2774 title => "Players",
2775 reply => undef,
2776 tooltip => "Shows players who are currently online",
2777 },
2778 "c/body" => {
2779 id => "infobox",
2780 title => "Body Parts",
2781 reply => undef,
2782 tooltip => "Shows which body parts you posess and are available",
2783 },
2784 "c/statistics" => {
2785 id => "infobox",
2786 title => "Statistics",
2787 reply => undef,
2788 tooltip => "Shows your primary statistics",
2789 },
2790 "c/skills" => {
2791 id => "infobox",
2792 title => "Skills",
2793 reply => undef,
2794 tooltip => "Shows your experience per skill and item power",
2795 },
2796 "c/shopitems" => {
2797 id => "infobox",
2798 title => "Shop Items",
2799 reply => undef,
2800 tooltip => "Shows the items currently for sale in this shop",
2801 },
2802 "c/resistances" => {
2803 id => "infobox",
2804 title => "Resistances",
2805 reply => undef,
2806 tooltip => "Shows your resistances",
2807 },
2808 "c/pets" => {
2809 id => "infobox",
2810 title => "Pets",
2811 reply => undef,
2812 tooltip => "Shows information abotu your pets/a specific pet",
2813 },
2814 "c/perceiveself" => {
2815 id => "infobox",
2816 title => "Perceive Self",
2817 reply => undef,
2818 tooltip => "You gained detailed knowledge about yourself",
2819 },
2820 "c/uptime" => {
2821 id => "infobox",
2822 title => "Uptime",
2823 reply => undef,
2824 tooltip => "How long the server has been running since last restart",
2825 },
2826 "c/mapinfo" => {
2827 id => "infobox",
2828 title => "Map Info",
2829 reply => undef,
2830 tooltip => "Information related to the maps",
2831 },
2832 "c/party" => {
2833 id => "party",
2834 title => "Party",
2835 reply => "gsay ",
2836 tooltip => "Messages and chat related to your party",
2837 },
2838 "c/death" => {
2839 id => "death",
2840 title => "Death",
2841 reply => undef,
2842 tooltip => "Reason for and more info about your most recent death",
2843 },
2844 "c/say" => $SAY_CHANNEL,
2845 "c/chat" => $CHAT_CHANNEL,
2846);
2847
2848sub cf::client::send_msg {
2849 my ($self, $channel, $msg, $color, @extra) = @_;
2850
2851 $msg = $self->pl->expand_cfpod ($msg)
2852 unless $color & cf::NDI_VERBATIM;
2853
2854 $color &= cf::NDI_CLIENT_MASK; # just in case...
2855
2856 # check predefined channels, for the benefit of C
2857 if ($CHANNEL{$channel}) {
2858 $channel = $CHANNEL{$channel};
2859
2860 $self->ext_msg (channel_info => $channel);
2861 $channel = $channel->{id};
2862
2863 } elsif (ref $channel) {
2864 # send meta info to client, if not yet sent
2865 unless (exists $self->{channel}{$channel->{id}}) {
2866 $self->{channel}{$channel->{id}} = $channel;
2867 $self->ext_msg (channel_info => $channel);
2868 }
2869
2870 $channel = $channel->{id};
2871 }
2872
2873 return unless @extra || length $msg;
2874
2875 # default colour, mask it out
2876 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877 if $color & cf::NDI_DEF;
2878
2879 my $pkt = "msg "
2880 . $self->{json_coder}->encode (
2881 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2882 );
2883
2884 # try lzf for large packets
2885 $pkt = "lzf " . Compress::LZF::compress $pkt
2886 if 1024 <= length $pkt and $self->{can_lzf};
2887
2888 # split very large packets
2889 if (8192 < length $pkt and $self->{can_lzf}) {
2890 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2891 $pkt = "frag";
2892 }
2893
2894 $self->send_packet ($pkt);
2895}
2896
2173=item $client->ext_event ($type, %msg) 2897=item $client->ext_msg ($type, @msg)
2174 2898
2175Sends an exti event to the client. 2899Sends an ext event to the client.
2176 2900
2177=cut 2901=cut
2178 2902
2179sub cf::client::ext_event($$%) { 2903sub cf::client::ext_msg($$@) {
2180 my ($self, $type, %msg) = @_; 2904 my ($self, $type, @msg) = @_;
2181 2905
2906 if ($self->extcmd == 2) {
2907 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2908 } elsif ($self->extcmd == 1) { # TODO: remove
2182 $msg{msgtype} = "event_$type"; 2909 push @msg, msgtype => "event_$type";
2183 $self->send_packet ("ext " . cf::to_json \%msg); 2910 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2911 }
2912}
2913
2914=item $client->ext_reply ($msgid, @msg)
2915
2916Sends an ext reply to the client.
2917
2918=cut
2919
2920sub cf::client::ext_reply($$@) {
2921 my ($self, $id, @msg) = @_;
2922
2923 if ($self->extcmd == 2) {
2924 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2925 } elsif ($self->extcmd == 1) {
2926 #TODO: version 1, remove
2927 unshift @msg, msgtype => "reply", msgid => $id;
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929 }
2184} 2930}
2185 2931
2186=item $success = $client->query ($flags, "text", \&cb) 2932=item $success = $client->query ($flags, "text", \&cb)
2187 2933
2188Queues a query to the client, calling the given callback with 2934Queues a query to the client, calling the given callback with
2189the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2935the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2936C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191 2937
2192Queries can fail, so check the return code. Or don't, as queries will become 2938Queries can fail, so check the return code. Or don't, as queries will
2193reliable at some point in the future. 2939become reliable at some point in the future.
2194 2940
2195=cut 2941=cut
2196 2942
2197sub cf::client::query { 2943sub cf::client::query {
2198 my ($self, $flags, $text, $cb) = @_; 2944 my ($self, $flags, $text, $cb) = @_;
2206 utf8::encode $text; 2952 utf8::encode $text;
2207 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2953 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208 2954
2209 $self->send_packet ($self->{query_queue}[0][0]) 2955 $self->send_packet ($self->{query_queue}[0][0])
2210 if @{ $self->{query_queue} } == 1; 2956 if @{ $self->{query_queue} } == 1;
2957
2958 1
2211} 2959}
2212 2960
2213cf::client->attach ( 2961cf::client->attach (
2962 on_connect => sub {
2963 my ($ns) = @_;
2964
2965 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2966 },
2214 on_reply => sub { 2967 on_reply => sub {
2215 my ($ns, $msg) = @_; 2968 my ($ns, $msg) = @_;
2216 2969
2217 # this weird shuffling is so that direct followup queries 2970 # this weird shuffling is so that direct followup queries
2218 # get handled first 2971 # get handled first
2230 } else { 2983 } else {
2231 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2984 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232 } 2985 }
2233 } 2986 }
2234 }, 2987 },
2988 on_exticmd => sub {
2989 my ($ns, $buf) = @_;
2990
2991 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2992
2993 if (ref $msg) {
2994 my ($type, $reply, @payload) =
2995 "ARRAY" eq ref $msg
2996 ? @$msg
2997 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2998
2999 my @reply;
3000
3001 if (my $cb = $EXTICMD{$type}) {
3002 @reply = $cb->($ns, @payload);
3003 }
3004
3005 $ns->ext_reply ($reply, @reply)
3006 if $reply;
3007
3008 } else {
3009 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3010 }
3011
3012 cf::override;
3013 },
2235); 3014);
2236 3015
2237=item $client->async (\&cb) 3016=item $client->async (\&cb)
2238 3017
2239Create a new coroutine, running the specified callback. The coroutine will 3018Create a new coroutine, running the specified callback. The coroutine will
2280our $safe = new Safe "safe"; 3059our $safe = new Safe "safe";
2281our $safe_hole = new Safe::Hole; 3060our $safe_hole = new Safe::Hole;
2282 3061
2283$SIG{FPE} = 'IGNORE'; 3062$SIG{FPE} = 'IGNORE';
2284 3063
2285$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3064$safe->permit_only (Opcode::opset qw(
3065 :base_core :base_mem :base_orig :base_math
3066 grepstart grepwhile mapstart mapwhile
3067 sort time
3068));
2286 3069
2287# here we export the classes and methods available to script code 3070# here we export the classes and methods available to script code
2288 3071
2289=pod 3072=pod
2290 3073
2291The following functions and methods are available within a safe environment: 3074The following functions and methods are available within a safe environment:
2292 3075
2293 cf::object contr pay_amount pay_player map 3076 cf::object
3077 contr pay_amount pay_player map x y force_find force_add destroy
3078 insert remove name archname title slaying race decrease split
3079 value
3080
2294 cf::object::player player 3081 cf::object::player
2295 cf::player peaceful 3082 player
2296 cf::map trigger 3083
3084 cf::player
3085 peaceful
3086
3087 cf::map
3088 trigger
2297 3089
2298=cut 3090=cut
2299 3091
2300for ( 3092for (
2301 ["cf::object" => qw(contr pay_amount pay_player map)], 3093 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3094 insert remove inv nrof name archname title slaying race
3095 decrease split destroy change_exp value msg lore send_msg)],
2302 ["cf::object::player" => qw(player)], 3096 ["cf::object::player" => qw(player)],
2303 ["cf::player" => qw(peaceful)], 3097 ["cf::player" => qw(peaceful send_msg)],
2304 ["cf::map" => qw(trigger)], 3098 ["cf::map" => qw(trigger)],
2305) { 3099) {
2306 no strict 'refs'; 3100 no strict 'refs';
2307 my ($pkg, @funs) = @$_; 3101 my ($pkg, @funs) = @$_;
2308 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3102 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2325 my ($code, %vars) = @_; 3119 my ($code, %vars) = @_;
2326 3120
2327 my $qcode = $code; 3121 my $qcode = $code;
2328 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3122 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2329 $qcode =~ s/\n/\\n/g; 3123 $qcode =~ s/\n/\\n/g;
3124
3125 %vars = (_dummy => 0) unless %vars;
2330 3126
2331 local $_; 3127 local $_;
2332 local @safe::cf::_safe_eval_args = values %vars; 3128 local @safe::cf::_safe_eval_args = values %vars;
2333 3129
2334 my $eval = 3130 my $eval =
2377=back 3173=back
2378 3174
2379=cut 3175=cut
2380 3176
2381############################################################################# 3177#############################################################################
2382
2383=head2 EXTENSION DATABASE SUPPORT
2384
2385Crossfire maintains a very simple database for extension use. It can
2386currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387convert to/from binary).
2388
2389The parameter C<$family> should best start with the name of the extension
2390using it, it should be unique.
2391
2392=over 4
2393
2394=item $value = cf::db_get $family => $key
2395
2396Returns a single value from the database.
2397
2398=item cf::db_put $family => $key => $value
2399
2400Stores the given C<$value> in the family.
2401
2402=cut
2403
2404our $DB;
2405
2406sub db_init {
2407 unless ($DB) {
2408 $DB = BDB::db_create $DB_ENV;
2409
2410 cf::sync_job {
2411 eval {
2412 $DB->set_flags (BDB::CHKSUM);
2413
2414 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416 cf::cleanup "db_open(db): $!" if $!;
2417 };
2418 cf::cleanup "db_open(db): $@" if $@;
2419 };
2420 }
2421}
2422
2423sub db_get($$) {
2424 my $key = "$_[0]/$_[1]";
2425
2426 cf::sync_job {
2427 BDB::db_get $DB, undef, $key, my $data;
2428
2429 $! ? ()
2430 : $data
2431 }
2432}
2433
2434sub db_put($$$) {
2435 BDB::dbreq_pri 4;
2436 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437}
2438
2439=item cf::cache $id => [$paths...], $processversion => $process
2440
2441Generic caching function that returns the value of the resource $id,
2442caching and regenerating as required.
2443
2444This function can block.
2445
2446=cut
2447
2448sub cache {
2449 my ($id, $src, $processversion, $process) = @_;
2450
2451 my $meta =
2452 join "\x00",
2453 $processversion,
2454 map {
2455 aio_stat $_
2456 and Carp::croak "$_: $!";
2457
2458 ($_, (stat _)[7,9])
2459 } @$src;
2460
2461 my $dbmeta = db_get cache => "$id/meta";
2462 if ($dbmeta ne $meta) {
2463 # changed, we may need to process
2464
2465 my @data;
2466 my $md5;
2467
2468 for (0 .. $#$src) {
2469 0 <= aio_load $src->[$_], $data[$_]
2470 or Carp::croak "$src->[$_]: $!";
2471 }
2472
2473 # if processing is expensive, check
2474 # checksum first
2475 if (1) {
2476 $md5 =
2477 join "\x00",
2478 $processversion,
2479 map {
2480 Coro::cede;
2481 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2482 } 0.. $#$src;
2483
2484
2485 my $dbmd5 = db_get cache => "$id/md5";
2486 if ($dbmd5 eq $md5) {
2487 db_put cache => "$id/meta", $meta;
2488
2489 return db_get cache => "$id/data";
2490 }
2491 }
2492
2493 my $t1 = Time::HiRes::time;
2494 my $data = $process->(\@data);
2495 my $t2 = Time::HiRes::time;
2496
2497 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499 db_put cache => "$id/data", $data;
2500 db_put cache => "$id/md5" , $md5;
2501 db_put cache => "$id/meta", $meta;
2502
2503 return $data;
2504 }
2505
2506 db_get cache => "$id/data"
2507}
2508
2509=item fork_call { }, $args
2510
2511Executes the given code block with the given arguments in a seperate
2512process, returning the results. Everything must be serialisable with
2513Coro::Storable. May, of course, block. Note that the executed sub may
2514never block itself or use any form of Event handling.
2515
2516=cut
2517
2518sub fork_call(&@) {
2519 my ($cb, @args) = @_;
2520
2521# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522# or die "socketpair: $!";
2523 pipe my $fh1, my $fh2
2524 or die "pipe: $!";
2525
2526 if (my $pid = fork) {
2527 close $fh2;
2528
2529 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530 $res = Coro::Storable::thaw $res;
2531
2532 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534 die $$res unless "ARRAY" eq ref $res;
2535
2536 return wantarray ? @$res : $res->[-1];
2537 } else {
2538 reset_signals;
2539 local $SIG{__WARN__};
2540 local $SIG{__DIE__};
2541 eval {
2542 close $fh1;
2543
2544 my @res = eval { $cb->(@args) };
2545 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546 };
2547
2548 warn $@ if $@;
2549 _exit 0;
2550 }
2551}
2552
2553#############################################################################
2554# the server's init and main functions 3178# the server's init and main functions
2555 3179
2556sub load_facedata($) { 3180sub load_facedata($) {
2557 my ($path) = @_; 3181 my ($path) = @_;
3182
3183 # HACK to clear player env face cache, we need some signal framework
3184 # for this (global event?)
3185 %ext::player_env::MUSIC_FACE_CACHE = ();
3186
3187 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558 3188
2559 warn "loading facedata from $path\n"; 3189 warn "loading facedata from $path\n";
2560 3190
2561 my $facedata; 3191 my $facedata;
2562 0 < aio_load $path, $facedata 3192 0 < aio_load $path, $facedata
2565 $facedata = Coro::Storable::thaw $facedata; 3195 $facedata = Coro::Storable::thaw $facedata;
2566 3196
2567 $facedata->{version} == 2 3197 $facedata->{version} == 2
2568 or cf::cleanup "$path: version mismatch, cannot proceed."; 3198 or cf::cleanup "$path: version mismatch, cannot proceed.";
2569 3199
3200 # patch in the exptable
3201 $facedata->{resource}{"res/exp_table"} = {
3202 type => FT_RSRC,
3203 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3204 };
3205 cf::cede_to_tick;
3206
2570 { 3207 {
2571 my $faces = $facedata->{faceinfo}; 3208 my $faces = $facedata->{faceinfo};
2572 3209
2573 while (my ($face, $info) = each %$faces) { 3210 while (my ($face, $info) = each %$faces) {
2574 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3211 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3212
2575 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3213 cf::face::set_visibility $idx, $info->{visibility};
3214 cf::face::set_magicmap $idx, $info->{magicmap};
2576 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3215 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3216 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578 Coro::cede; 3217
3218 cf::cede_to_tick;
2579 } 3219 }
2580 3220
2581 while (my ($face, $info) = each %$faces) { 3221 while (my ($face, $info) = each %$faces) {
2582 next unless $info->{smooth}; 3222 next unless $info->{smooth};
3223
2583 my $idx = cf::face::find $face 3224 my $idx = cf::face::find $face
2584 or next; 3225 or next;
3226
2585 if (my $smooth = cf::face::find $info->{smooth}) { 3227 if (my $smooth = cf::face::find $info->{smooth}) {
3228 cf::face::set_smooth $idx, $smooth;
2586 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3229 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587 } else { 3230 } else {
2588 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3231 warn "smooth face '$info->{smooth}' not found for face '$face'";
2589 } 3232 }
2590 Coro::cede; 3233
3234 cf::cede_to_tick;
2591 } 3235 }
2592 } 3236 }
2593 3237
2594 { 3238 {
2595 my $anims = $facedata->{animinfo}; 3239 my $anims = $facedata->{animinfo};
2596 3240
2597 while (my ($anim, $info) = each %$anims) { 3241 while (my ($anim, $info) = each %$anims) {
2598 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3242 cf::anim::set $anim, $info->{frames}, $info->{facings};
2599 Coro::cede; 3243 cf::cede_to_tick;
2600 } 3244 }
2601 3245
2602 cf::anim::invalidate_all; # d'oh 3246 cf::anim::invalidate_all; # d'oh
2603 } 3247 }
2604 3248
3249 {
3250 # TODO: for gcfclient pleasure, we should give resources
3251 # that gcfclient doesn't grok a >10000 face index.
3252 my $res = $facedata->{resource};
3253
3254 while (my ($name, $info) = each %$res) {
3255 if (defined $info->{type}) {
3256 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3257 my $data;
3258
3259 if ($info->{type} & 1) {
3260 # prepend meta info
3261
3262 my $meta = $enc->encode ({
3263 name => $name,
3264 %{ $info->{meta} || {} },
3265 });
3266
3267 $data = pack "(w/a*)*", $meta, $info->{data};
3268 } else {
3269 $data = $info->{data};
3270 }
3271
3272 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3273 cf::face::set_type $idx, $info->{type};
3274 } else {
3275 $RESOURCE{$name} = $info;
3276 }
3277
3278 cf::cede_to_tick;
3279 }
3280 }
3281
3282 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3283
2605 1 3284 1
2606} 3285}
2607 3286
3287cf::global->attach (on_resource_update => sub {
3288 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3289 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3290
3291 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3292 my $sound = $soundconf->{compat}[$_]
3293 or next;
3294
3295 my $face = cf::face::find "sound/$sound->[1]";
3296 cf::sound::set $sound->[0] => $face;
3297 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3298 }
3299
3300 while (my ($k, $v) = each %{$soundconf->{event}}) {
3301 my $face = cf::face::find "sound/$v";
3302 cf::sound::set $k => $face;
3303 }
3304 }
3305});
3306
3307register_exticmd fx_want => sub {
3308 my ($ns, $want) = @_;
3309
3310 while (my ($k, $v) = each %$want) {
3311 $ns->fx_want ($k, $v);
3312 }
3313};
3314
3315sub load_resource_file($) {
3316 my $guard = lock_acquire "load_resource_file";
3317
3318 my $status = load_resource_file_ $_[0];
3319 get_slot 0.1, 100;
3320 cf::arch::commit_load;
3321
3322 $status
3323}
3324
2608sub reload_regions { 3325sub reload_regions {
3326 # HACK to clear player env face cache, we need some signal framework
3327 # for this (global event?)
3328 %ext::player_env::MUSIC_FACE_CACHE = ();
3329
2609 load_resource_file "$MAPDIR/regions" 3330 load_resource_file "$MAPDIR/regions"
2610 or die "unable to load regions file\n"; 3331 or die "unable to load regions file\n";
3332
3333 for (cf::region::list) {
3334 $_->{match} = qr/$_->{match}/
3335 if exists $_->{match};
3336 }
2611} 3337}
2612 3338
2613sub reload_facedata { 3339sub reload_facedata {
2614 load_facedata "$DATADIR/facedata" 3340 load_facedata "$DATADIR/facedata"
2615 or die "unable to load facedata\n"; 3341 or die "unable to load facedata\n";
2626} 3352}
2627 3353
2628sub reload_resources { 3354sub reload_resources {
2629 warn "reloading resource files...\n"; 3355 warn "reloading resource files...\n";
2630 3356
3357 reload_facedata;
3358 reload_archetypes;
2631 reload_regions; 3359 reload_regions;
2632 reload_facedata;
2633 #reload_archetypes;#d#
2634 reload_archetypes;
2635 reload_treasures; 3360 reload_treasures;
2636 3361
2637 warn "finished reloading resource files\n"; 3362 warn "finished reloading resource files\n";
2638} 3363}
2639 3364
2640sub init { 3365sub reload_config {
2641 reload_resources;
2642}
2643
2644sub cfg_load {
2645 open my $fh, "<:utf8", "$CONFDIR/config" 3366 open my $fh, "<:utf8", "$CONFDIR/config"
2646 or return; 3367 or return;
2647 3368
2648 local $/; 3369 local $/;
2649 *CFG = YAML::Syck::Load <$fh>; 3370 *CFG = YAML::Load <$fh>;
2650 3371
2651 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3372 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652 3373
2653 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3374 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3375 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2660 }; 3381 };
2661 warn $@ if $@; 3382 warn $@ if $@;
2662 } 3383 }
2663} 3384}
2664 3385
3386sub pidfile() {
3387 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3388 or die "$PIDFILE: $!";
3389 flock $fh, &Fcntl::LOCK_EX
3390 or die "$PIDFILE: flock: $!";
3391 $fh
3392}
3393
3394# make sure only one server instance is running at any one time
3395sub atomic {
3396 my $fh = pidfile;
3397
3398 my $pid = <$fh>;
3399 kill 9, $pid if $pid > 0;
3400
3401 seek $fh, 0, 0;
3402 print $fh $$;
3403}
3404
2665sub main { 3405sub main {
3406 cf::init_globals; # initialise logging
3407
3408 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3410 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3411 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3412
3413 cf::init_experience;
3414 cf::init_anim;
3415 cf::init_attackmess;
3416 cf::init_dynamic;
3417
3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419
2666 # we must not ever block the main coroutine 3420 # we must not ever block the main coroutine
2667 local $Coro::idle = sub { 3421 local $Coro::idle = sub {
2668 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3422 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669 (async { 3423 (async {
2670 Event::one_event; 3424 $Coro::current->{desc} = "IDLE BUG HANDLER";
3425 EV::loop EV::LOOP_ONESHOT;
2671 })->prio (Coro::PRIO_MAX); 3426 })->prio (Coro::PRIO_MAX);
2672 }; 3427 };
2673 3428
2674 cfg_load; 3429 evthread_start IO::AIO::poll_fileno;
3430
3431 cf::sync_job {
3432 reload_resources;
3433 reload_config;
2675 db_init; 3434 db_init;
3435
3436 cf::load_settings;
3437 cf::load_materials;
3438 cf::init_uuid;
3439 cf::init_signals;
3440 cf::init_commands;
3441 cf::init_skills;
3442
3443 cf::init_beforeplay;
3444
3445 atomic;
3446
2676 load_extensions; 3447 load_extensions;
2677 3448
2678 $TICK_WATCHER->start; 3449 utime time, time, $RUNTIMEFILE;
3450
3451 # no (long-running) fork's whatsoever before this point(!)
3452 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3453
3454 (pop @POST_INIT)->(0) while @POST_INIT;
3455 };
3456
2679 Event::loop; 3457 EV::loop;
2680} 3458}
2681 3459
2682############################################################################# 3460#############################################################################
2683# initialisation and cleanup 3461# initialisation and cleanup
2684 3462
2685# install some emergency cleanup handlers 3463# install some emergency cleanup handlers
2686BEGIN { 3464BEGIN {
3465 our %SIGWATCHER = ();
2687 for my $signal (qw(INT HUP TERM)) { 3466 for my $signal (qw(INT HUP TERM)) {
2688 Event->signal ( 3467 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2689 reentrant => 0,
2690 data => WF_AUTOCANCEL,
2691 signal => $signal,
2692 prio => 0,
2693 cb => sub {
2694 cf::cleanup "SIG$signal"; 3468 cf::cleanup "SIG$signal";
2695 },
2696 ); 3469 };
3470 }
3471}
3472
3473sub write_runtime_sync {
3474 # first touch the runtime file to show we are still running:
3475 # the fsync below can take a very very long time.
3476
3477 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3478
3479 my $guard = cf::lock_acquire "write_runtime";
3480
3481 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3482 or return;
3483
3484 my $value = $cf::RUNTIME + 90 + 10;
3485 # 10 is the runtime save interval, for a monotonic clock
3486 # 60 allows for the watchdog to kill the server.
3487
3488 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3489 and return;
3490
3491 # always fsync - this file is important
3492 aio_fsync $fh
3493 and return;
3494
3495 # touch it again to show we are up-to-date
3496 aio_utime $fh, undef, undef;
3497
3498 close $fh
3499 or return;
3500
3501 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3502 and return;
3503
3504 warn "runtime file written.\n";
3505
2697 } 3506 1
3507}
3508
3509our $uuid_lock;
3510our $uuid_skip;
3511
3512sub write_uuid_sync($) {
3513 $uuid_skip ||= $_[0];
3514
3515 return if $uuid_lock;
3516 local $uuid_lock = 1;
3517
3518 my $uuid = "$LOCALDIR/uuid";
3519
3520 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3521 or return;
3522
3523 my $value = uuid_seq uuid_cur;
3524
3525 unless ($value) {
3526 warn "cowardly refusing to write zero uuid value!\n";
3527 return;
3528 }
3529
3530 my $value = uuid_str $value + $uuid_skip;
3531 $uuid_skip = 0;
3532
3533 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3534 and return;
3535
3536 # always fsync - this file is important
3537 aio_fsync $fh
3538 and return;
3539
3540 close $fh
3541 or return;
3542
3543 aio_rename "$uuid~", $uuid
3544 and return;
3545
3546 warn "uuid file written ($value).\n";
3547
3548 1
3549
3550}
3551
3552sub write_uuid($$) {
3553 my ($skip, $sync) = @_;
3554
3555 $sync ? write_uuid_sync $skip
3556 : async { write_uuid_sync $skip };
2698} 3557}
2699 3558
2700sub emergency_save() { 3559sub emergency_save() {
2701 my $freeze_guard = cf::freeze_mainloop; 3560 my $freeze_guard = cf::freeze_mainloop;
2702 3561
2703 warn "enter emergency perl save\n"; 3562 warn "emergency_perl_save: enter\n";
2704 3563
2705 cf::sync_job { 3564 cf::sync_job {
3565 # this is a trade-off: we want to be very quick here, so
3566 # save all maps without fsync, and later call a global sync
3567 # (which in turn might be very very slow)
3568 local $USE_FSYNC = 0;
3569
2706 # use a peculiar iteration method to avoid tripping on perl 3570 # use a peculiar iteration method to avoid tripping on perl
2707 # refcount bugs in for. also avoids problems with players 3571 # refcount bugs in for. also avoids problems with players
2708 # and maps saved/destroyed asynchronously. 3572 # and maps saved/destroyed asynchronously.
2709 warn "begin emergency player save\n"; 3573 warn "emergency_perl_save: begin player save\n";
2710 for my $login (keys %cf::PLAYER) { 3574 for my $login (keys %cf::PLAYER) {
2711 my $pl = $cf::PLAYER{$login} or next; 3575 my $pl = $cf::PLAYER{$login} or next;
2712 $pl->valid or next; 3576 $pl->valid or next;
3577 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713 $pl->save; 3578 $pl->save;
2714 } 3579 }
2715 warn "end emergency player save\n"; 3580 warn "emergency_perl_save: end player save\n";
2716 3581
2717 warn "begin emergency map save\n"; 3582 warn "emergency_perl_save: begin map save\n";
2718 for my $path (keys %cf::MAP) { 3583 for my $path (keys %cf::MAP) {
2719 my $map = $cf::MAP{$path} or next; 3584 my $map = $cf::MAP{$path} or next;
2720 $map->valid or next; 3585 $map->valid or next;
2721 $map->save; 3586 $map->save;
2722 } 3587 }
2723 warn "end emergency map save\n"; 3588 warn "emergency_perl_save: end map save\n";
2724 3589
2725 warn "begin emergency database checkpoint\n"; 3590 warn "emergency_perl_save: begin database checkpoint\n";
2726 BDB::db_env_txn_checkpoint $DB_ENV; 3591 BDB::db_env_txn_checkpoint $DB_ENV;
2727 warn "end emergency database checkpoint\n"; 3592 warn "emergency_perl_save: end database checkpoint\n";
3593
3594 warn "emergency_perl_save: begin write uuid\n";
3595 write_uuid_sync 1;
3596 warn "emergency_perl_save: end write uuid\n";
2728 }; 3597 };
2729 3598
3599 warn "emergency_perl_save: starting sync()\n";
3600 IO::AIO::aio_sync sub {
3601 warn "emergency_perl_save: finished sync()\n";
3602 };
3603
2730 warn "leave emergency perl save\n"; 3604 warn "emergency_perl_save: leave\n";
2731} 3605}
2732 3606
2733sub post_cleanup { 3607sub post_cleanup {
2734 my ($make_core) = @_; 3608 my ($make_core) = @_;
2735 3609
2736 warn Carp::longmess "post_cleanup backtrace" 3610 warn Carp::longmess "post_cleanup backtrace"
2737 if $make_core; 3611 if $make_core;
3612
3613 my $fh = pidfile;
3614 unlink $PIDFILE if <$fh> == $$;
3615}
3616
3617# a safer delete_package, copied from Symbol
3618sub clear_package($) {
3619 my $pkg = shift;
3620
3621 # expand to full symbol table name if needed
3622 unless ($pkg =~ /^main::.*::$/) {
3623 $pkg = "main$pkg" if $pkg =~ /^::/;
3624 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3625 $pkg .= '::' unless $pkg =~ /::$/;
3626 }
3627
3628 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3629 my $stem_symtab = *{$stem}{HASH};
3630
3631 defined $stem_symtab and exists $stem_symtab->{$leaf}
3632 or return;
3633
3634 # clear all symbols
3635 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3636 for my $name (keys %$leaf_symtab) {
3637 _gv_clear *{"$pkg$name"};
3638# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3639 }
3640 warn "cleared package $pkg\n";#d#
2738} 3641}
2739 3642
2740sub do_reload_perl() { 3643sub do_reload_perl() {
2741 # can/must only be called in main 3644 # can/must only be called in main
2742 if ($Coro::current != $Coro::main) { 3645 if ($Coro::current != $Coro::main) {
2743 warn "can only reload from main coroutine"; 3646 warn "can only reload from main coroutine";
2744 return; 3647 return;
2745 } 3648 }
2746 3649
3650 return if $RELOAD++;
3651
3652 my $t1 = EV::time;
3653
3654 while ($RELOAD) {
2747 warn "reloading..."; 3655 warn "reloading...";
2748 3656
2749 warn "entering sync_job"; 3657 warn "entering sync_job";
2750 3658
2751 cf::sync_job { 3659 cf::sync_job {
2752 cf::write_runtime; # external watchdog should not bark 3660 cf::write_runtime_sync; # external watchdog should not bark
2753 cf::emergency_save; 3661 cf::emergency_save;
2754 cf::write_runtime; # external watchdog should not bark 3662 cf::write_runtime_sync; # external watchdog should not bark
2755 3663
2756 warn "syncing database to disk"; 3664 warn "syncing database to disk";
2757 BDB::db_env_txn_checkpoint $DB_ENV; 3665 BDB::db_env_txn_checkpoint $DB_ENV;
2758 3666
2759 # if anything goes wrong in here, we should simply crash as we already saved 3667 # if anything goes wrong in here, we should simply crash as we already saved
2760 3668
2761 warn "cancelling all WF_AUTOCANCEL watchers";
2762 for (Event::all_watchers) {
2763 $_->cancel if $_->data & WF_AUTOCANCEL;
2764 }
2765
2766 warn "flushing outstanding aio requests"; 3669 warn "flushing outstanding aio requests";
2767 for (;;) {
2768 BDB::flush;
2769 IO::AIO::flush;
2770 Coro::cede;
2771 last unless IO::AIO::nreqs || BDB::nreqs; 3670 while (IO::AIO::nreqs || BDB::nreqs) {
2772 warn "iterate..."; 3671 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773 }
2774
2775 ++$RELOAD;
2776
2777 warn "cancelling all extension coros";
2778 $_->cancel for values %EXT_CORO;
2779 %EXT_CORO = ();
2780
2781 warn "removing commands";
2782 %COMMAND = ();
2783
2784 warn "removing ext commands";
2785 %EXTCMD = ();
2786
2787 warn "unloading/nuking all extensions";
2788 for my $pkg (@EXTS) {
2789 warn "... unloading $pkg";
2790
2791 if (my $cb = $pkg->can ("unload")) {
2792 eval {
2793 $cb->($pkg);
2794 1
2795 } or warn "$pkg unloaded, but with errors: $@";
2796 } 3672 }
2797 3673
2798 warn "... nuking $pkg"; 3674 warn "cancelling all extension coros";
2799 Symbol::delete_package $pkg; 3675 $_->cancel for values %EXT_CORO;
2800 } 3676 %EXT_CORO = ();
2801 3677
2802 warn "unloading all perl modules loaded from $LIBDIR"; 3678 warn "removing commands";
2803 while (my ($k, $v) = each %INC) { 3679 %COMMAND = ();
2804 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805 3680
3681 warn "removing ext/exti commands";
3682 %EXTCMD = ();
3683 %EXTICMD = ();
3684
3685 warn "unloading/nuking all extensions";
3686 for my $pkg (@EXTS) {
2806 warn "... unloading $k"; 3687 warn "... unloading $pkg";
2807 delete $INC{$k};
2808 3688
2809 $k =~ s/\.pm$//;
2810 $k =~ s/\//::/g;
2811
2812 if (my $cb = $k->can ("unload_module")) { 3689 if (my $cb = $pkg->can ("unload")) {
3690 eval {
2813 $cb->(); 3691 $cb->($pkg);
3692 1
3693 } or warn "$pkg unloaded, but with errors: $@";
3694 }
3695
3696 warn "... clearing $pkg";
3697 clear_package $pkg;
2814 } 3698 }
2815 3699
2816 Symbol::delete_package $k; 3700 warn "unloading all perl modules loaded from $LIBDIR";
3701 while (my ($k, $v) = each %INC) {
3702 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3703
3704 warn "... unloading $k";
3705 delete $INC{$k};
3706
3707 $k =~ s/\.pm$//;
3708 $k =~ s/\//::/g;
3709
3710 if (my $cb = $k->can ("unload_module")) {
3711 $cb->();
3712 }
3713
3714 clear_package $k;
2817 } 3715 }
2818 3716
2819 warn "getting rid of safe::, as good as possible"; 3717 warn "getting rid of safe::, as good as possible";
2820 Symbol::delete_package "safe::$_" 3718 clear_package "safe::$_"
2821 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3719 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822 3720
2823 warn "unloading cf.pm \"a bit\""; 3721 warn "unloading cf.pm \"a bit\"";
2824 delete $INC{"cf.pm"}; 3722 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"}; 3723 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826 3724
2827 # don't, removes xs symbols, too, 3725 # don't, removes xs symbols, too,
2828 # and global variables created in xs 3726 # and global variables created in xs
2829 #Symbol::delete_package __PACKAGE__; 3727 #clear_package __PACKAGE__;
2830 3728
2831 warn "unload completed, starting to reload now"; 3729 warn "unload completed, starting to reload now";
2832 3730
2833 warn "reloading cf.pm"; 3731 warn "reloading cf.pm";
2834 require cf; 3732 require cf;
2835 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3733 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836 3734
2837 warn "loading config and database again"; 3735 warn "loading config and database again";
2838 cf::cfg_load; 3736 cf::reload_config;
2839 3737
2840 warn "loading extensions"; 3738 warn "loading extensions";
2841 cf::load_extensions; 3739 cf::load_extensions;
2842 3740
3741 if ($REATTACH_ON_RELOAD) {
2843 warn "reattaching attachments to objects/players"; 3742 warn "reattaching attachments to objects/players";
2844 _global_reattach; # objects, sockets 3743 _global_reattach; # objects, sockets
2845 warn "reattaching attachments to maps"; 3744 warn "reattaching attachments to maps";
2846 reattach $_ for values %MAP; 3745 reattach $_ for values %MAP;
2847 warn "reattaching attachments to players"; 3746 warn "reattaching attachments to players";
2848 reattach $_ for values %PLAYER; 3747 reattach $_ for values %PLAYER;
3748 }
2849 3749
3750 warn "running post_init jobs";
3751 (pop @POST_INIT)->(1) while @POST_INIT;
3752
2850 warn "leaving sync_job"; 3753 warn "leaving sync_job";
2851 3754
2852 1 3755 1
2853 } or do { 3756 } or do {
2854 warn $@; 3757 warn $@;
2855 warn "error while reloading, exiting."; 3758 cf::cleanup "error while reloading, exiting.";
2856 exit 1;
2857 }; 3759 };
2858 3760
2859 warn "reloaded"; 3761 warn "reloaded";
3762 --$RELOAD;
3763 }
3764
3765 $t1 = EV::time - $t1;
3766 warn "reload completed in ${t1}s\n";
2860}; 3767};
2861 3768
2862our $RELOAD_WATCHER; # used only during reload 3769our $RELOAD_WATCHER; # used only during reload
2863 3770
2864sub reload_perl() { 3771sub reload_perl() {
2865 # doing reload synchronously and two reloads happen back-to-back, 3772 # doing reload synchronously and two reloads happen back-to-back,
2866 # coro crashes during coro_state_free->destroy here. 3773 # coro crashes during coro_state_free->destroy here.
2867 3774
2868 $RELOAD_WATCHER ||= Event->timer ( 3775 $RELOAD_WATCHER ||= cf::async {
2869 reentrant => 0, 3776 Coro::AIO::aio_wait cache_extensions;
2870 after => 0, 3777
2871 data => WF_AUTOCANCEL, 3778 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872 cb => sub {
2873 do_reload_perl; 3779 do_reload_perl;
2874 undef $RELOAD_WATCHER; 3780 undef $RELOAD_WATCHER;
2875 }, 3781 };
2876 ); 3782 };
2877} 3783}
2878 3784
2879register_command "reload" => sub { 3785register_command "reload" => sub {
2880 my ($who, $arg) = @_; 3786 my ($who, $arg) = @_;
2881 3787
2882 if ($who->flag (FLAG_WIZ)) { 3788 if ($who->flag (FLAG_WIZ)) {
2883 $who->message ("reloading server."); 3789 $who->message ("reloading server.");
3790 async {
3791 $Coro::current->{desc} = "perl_reload";
2884 async { reload_perl }; 3792 reload_perl;
3793 };
2885 } 3794 }
2886}; 3795};
2887 3796
2888unshift @INC, $LIBDIR; 3797unshift @INC, $LIBDIR;
2889 3798
2891 3800
2892our @WAIT_FOR_TICK; 3801our @WAIT_FOR_TICK;
2893our @WAIT_FOR_TICK_BEGIN; 3802our @WAIT_FOR_TICK_BEGIN;
2894 3803
2895sub wait_for_tick { 3804sub wait_for_tick {
2896 return unless $TICK_WATCHER->is_active;
2897 return if $Coro::current == $Coro::main; 3805 return if tick_inhibit || $Coro::current == $Coro::main;
2898 3806
2899 my $signal = new Coro::Signal; 3807 my $signal = new Coro::Signal;
2900 push @WAIT_FOR_TICK, $signal; 3808 push @WAIT_FOR_TICK, $signal;
2901 $signal->wait; 3809 $signal->wait;
2902} 3810}
2903 3811
2904sub wait_for_tick_begin { 3812sub wait_for_tick_begin {
2905 return unless $TICK_WATCHER->is_active;
2906 return if $Coro::current == $Coro::main; 3813 return if tick_inhibit || $Coro::current == $Coro::main;
2907 3814
2908 my $signal = new Coro::Signal; 3815 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal; 3816 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait; 3817 $signal->wait;
2911} 3818}
2912 3819
2913 my $min = 1e6;#d# 3820sub tick {
2914 my $avg = 10;
2915$TICK_WATCHER = Event->timer (
2916 reentrant => 0,
2917 parked => 1,
2918 prio => 0,
2919 at => $NEXT_TICK || $TICK,
2920 data => WF_AUTOCANCEL,
2921 cb => sub {
2922 if ($Coro::current != $Coro::main) { 3821 if ($Coro::current != $Coro::main) {
2923 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924 unless ++$bug_warning > 10; 3823 unless ++$bug_warning > 10;
2925 return; 3824 return;
2926 } 3825 }
2927 3826
2928 $NOW = $tick_start = Event::time;
2929
2930 cf::server_tick; # one server iteration 3827 cf::server_tick; # one server iteration
2931 3828
2932 0 && sync_job {#d# 3829 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933 for(1..10) { 3830 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934 my $t = Event::time; 3831 Coro::async_pool {
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3832 $Coro::current->{desc} = "runtime saver";
2936 or die; 3833 write_runtime_sync
2937 3834 or warn "ERROR: unable to write runtime file: $!";
2938 $map->width (50);
2939 $map->height (50);
2940 $map->alloc;
2941 $map->_load_objects ("/tmp/x.map", 1);
2942 my $t = Event::time - $t;
2943
2944 #next unless $t < 0.0013;#d#
2945 if ($t < $min) {
2946 $min = $t;
2947 }
2948 $avg = $avg * 0.99 + $t * 0.01;
2949 }
2950 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951 exit 0;
2952 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953 }; 3835 };
3836 }
2954 3837
2955 $RUNTIME += $TICK;
2956 $NEXT_TICK += $TICK;
2957
2958 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959 $NEXT_RUNTIME_WRITE = $NOW + 10;
2960 Coro::async_pool {
2961 write_runtime
2962 or warn "ERROR: unable to write runtime file: $!";
2963 };
2964 }
2965
2966# my $AFTER = Event::time;
2967# warn $AFTER - $NOW;#d#
2968
2969 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3838 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send; 3839 $sig->send;
2971 } 3840 }
2972 while (my $sig = shift @WAIT_FOR_TICK) { 3841 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send; 3842 $sig->send;
2974 } 3843 }
2975 3844
2976 $NOW = Event::time; 3845 $LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978 # if we are delayed by four ticks or more, skip them all
2979 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981 $TICK_WATCHER->at ($NEXT_TICK);
2982 $TICK_WATCHER->start;
2983
2984 $LOAD = ($NOW - $tick_start) / $TICK;
2985 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3846 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986 3847
2987 _post_tick; 3848 if (0) {
2988 3849 if ($NEXT_TICK) {
2989 3850 my $jitter = $TICK_START - $NEXT_TICK;
3851 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3852 warn "jitter $JITTER\n";#d#
3853 }
2990 }, 3854 }
2991); 3855}
2992 3856
2993{ 3857{
2994 BDB::max_poll_time $TICK * 0.1; 3858 # configure BDB
2995 $BDB_POLL_WATCHER = Event->io ( 3859
2996 reentrant => 0,
2997 fd => BDB::poll_fileno,
2998 poll => 'r',
2999 prio => 0,
3000 data => WF_AUTOCANCEL,
3001 cb => \&BDB::poll_cb,
3002 );
3003 BDB::min_parallel 8; 3860 BDB::min_parallel 8;
3004 3861 BDB::max_poll_reqs $TICK * 0.1;
3005 BDB::set_sync_prepare { 3862 $AnyEvent::BDB::WATCHER->priority (1);
3006 my $status;
3007 my $current = $Coro::current;
3008 (
3009 sub {
3010 $status = $!;
3011 $current->ready; undef $current;
3012 },
3013 sub {
3014 Coro::schedule while defined $current;
3015 $! = $status;
3016 },
3017 )
3018 };
3019 3863
3020 unless ($DB_ENV) { 3864 unless ($DB_ENV) {
3021 $DB_ENV = BDB::db_env_create; 3865 $DB_ENV = BDB::db_env_create;
3866 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3867 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3868 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3869 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3870 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022 3871
3023 cf::sync_job { 3872 cf::sync_job {
3024 eval { 3873 eval {
3025 BDB::db_env_open 3874 BDB::db_env_open
3026 $DB_ENV, 3875 $DB_ENV,
3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3877 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3878 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030 0666; 3879 0666;
3031 3880
3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3881 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035 $DB_ENV->set_lk_detect;
3036 }; 3882 };
3037 3883
3038 cf::cleanup "db_env_open(db): $@" if $@; 3884 cf::cleanup "db_env_open(db): $@" if $@;
3039 }; 3885 };
3040 } 3886 }
3887
3888 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3889 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3890 };
3891 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3892 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3893 };
3894 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3895 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3896 };
3041} 3897}
3042 3898
3043{ 3899{
3900 # configure IO::AIO
3901
3044 IO::AIO::min_parallel 8; 3902 IO::AIO::min_parallel 8;
3045
3046 undef $Coro::AIO::WATCHER;
3047 IO::AIO::max_poll_time $TICK * 0.1; 3903 IO::AIO::max_poll_time $TICK * 0.1;
3048 $AIO_POLL_WATCHER = Event->io ( 3904 undef $AnyEvent::AIO::WATCHER;
3049 reentrant => 0,
3050 data => WF_AUTOCANCEL,
3051 fd => IO::AIO::poll_fileno,
3052 poll => 'r',
3053 prio => 6,
3054 cb => \&IO::AIO::poll_cb,
3055 );
3056} 3905}
3057 3906
3058my $_log_backtrace; 3907my $_log_backtrace;
3059 3908
3060sub _log_backtrace { 3909sub _log_backtrace {
3063 $msg =~ s/\n//; 3912 $msg =~ s/\n//;
3064 3913
3065 # limit the # of concurrent backtraces 3914 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) { 3915 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace; 3916 ++$_log_backtrace;
3917 my $perl_bt = Carp::longmess $msg;
3068 async { 3918 async {
3919 $Coro::current->{desc} = "abt $msg";
3920
3069 my @bt = fork_call { 3921 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr; 3922 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3923 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3924 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!"; 3925 or die "addr2line: $!";
3081 } 3933 }
3082 3934
3083 @funcs 3935 @funcs
3084 }; 3936 };
3085 3937
3086 LOG llevInfo, "[ABT] $msg\n"; 3938 LOG llevInfo, "[ABT] $perl_bt\n";
3939 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087 LOG llevInfo, "[ABT] $_\n" for @bt; 3940 LOG llevInfo, "[ABT] $_\n" for @bt;
3088 --$_log_backtrace; 3941 --$_log_backtrace;
3089 }; 3942 };
3090 } else { 3943 } else {
3091 LOG llevInfo, "[ABT] $msg\n"; 3944 LOG llevInfo, "[ABT] $msg\n";
3092 LOG llevInfo, "[ABT] [suppressed]\n"; 3945 LOG llevInfo, "[ABT] [suppressed]\n";
3093 } 3946 }
3094} 3947}
3095 3948
3096# load additional modules 3949# load additional modules
3097use cf::pod; 3950require "cf/$_.pm" for @EXTRA_MODULES;
3098 3951
3099END { cf::emergency_save } 3952END { cf::emergency_save }
3100 3953
31011 39541
3102 3955

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