ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 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
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
24		51
25	use JSON::XS 1.4 ();	52	use JSON::XS 2.01 ();
26	use BDB ();	53	use BDB ();
27	use Data::Dumper;	54	use Data::Dumper;
28	use Digest::MD5;	55	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		75
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		77
51	our %COMMAND = ();	78	our %COMMAND = ();
52	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	82	our %EXTCMD = ();
56	our %EXTICMD = ();	83	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
59		86
60	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	88	our @EVENT;
62		89
63	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	91	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
74		105
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	108	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	114	our $DB_ENV;
85		115
86	our %CFG;	116	our %CFG;
87		117
88	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
90		121
91	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
94		125
95	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		128
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		137
102	binmode STDOUT;	138	binmode STDOUT;
103	binmode STDERR;	139	binmode STDERR;
104		140
105	# read virtual server time, if available	141	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
110	}	146	}
111		147
112	mkdir $_	148	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		194
159	The raw value load value from the last tick.	195	The raw value load value from the last tick.
160		196
161	=item %cf::CFG	197	=item %cf::CFG
162		198
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	200	from wherever your confdir points to.
165		201
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		203
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	222	$msg .= "\n"
187	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
188		224
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		226
191	utf8::encode $msg;
192	LOG llevError, $msg;	227	LOG llevError, $msg;
193	};	228	};
194	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
195		245
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	256	for my $pkg (qw(
207	cf::global cf::attachable	257	cf::global cf::attachable
208	cf::object cf::object::player	258	cf::object cf::object::player
209	cf::client cf::player	259	cf::client cf::player
210	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
211	cf::map cf::party cf::region	262	cf::party cf::region
212	)) {	263	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	265	}
216		266
217	$Event::DIED = sub {	267	$EV::DIED = sub {
218	warn "error in event callback: @_";	268	warn "error in event callback: @_";
219	};	269	};
220		270
221	#############################################################################	271	#############################################################################
222		272
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	296	$d
247	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
248	}	298	}
249		299
250	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
251		301
252	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
253		303
254	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
255		305
256	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
257		307
258	=cut	308	=cut
259		309
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		311
262	sub to_json ($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
264		328
265	=item cf::lock_wait $string	329	=item cf::lock_wait $string
266		330
267	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
268		332
269	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
270		334
271	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
274	returned.	338	returned.
275		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
276	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
278		345
279	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
280		347
281	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
282		349
283	=cut	350	=cut
284		351
285	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	my ($key) = @_;
289		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
290	# wait for lock, if any	363	# wait for lock, if any
291	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	367	Coro::schedule;
294	}	368	}
295	}	369	}
296		370
…		…
299		373
300	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
301	lock_wait $key;	375	lock_wait $key;
302		376
303	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
304		379
305	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
308	}	384	}
309	}	385	}
310		386
…		…
313		389
314	! ! $LOCK{$key}	390	! ! $LOCK{$key}
315	}	391	}
316		392
317	sub freeze_mainloop {	393	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
319		395
320	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	397	}
322	};	398
323	$TICK_WATCHER->stop;	399	=item cf::periodic $interval, $cb
324	$guard	400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
325	}	412	}
326		413
327	=item cf::get_slot $time[, $priority[, $name]]	414	=item cf::get_slot $time[, $priority[, $name]]
328		415
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	427	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	428	our $SLOT_QUEUE;
342		429
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
345	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
346		435
347	while () {	436	while () {
348	next_job:	437	next_job:
349	my $avail = cf::till_tick;	438	my $avail = cf::till_tick;
…		…
357	}	446	}
358	}	447	}
359	}	448	}
360		449
361	if (@SLOT_QUEUE) {	450	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	452	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	453	$signal->wait;
365	} else {	454	} else {
366	Coro::schedule;	455	Coro::schedule;
367	}	456	}
368	}	457	}
369	};	458	};
370		459
371	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
372	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
373		464
374	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
376		467
…		…
390		481
391	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
392		483
393	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
394		485
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	489	acceptable.
399		490
400	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		497
407	sub sync_job(&) {	498	sub sync_job(&) {
408	my ($job) = @_;	499	my ($job) = @_;
409		500
410	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	502	my $time = EV::time;
412		503
413	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
415		506
416	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	508
418	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
419		510
420	my $busy = 1;	511	my $busy = 1;
421	my @res;	512	my @res;
422		513
423	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	516	@res = eval { $job->() };
425	warn $@ if $@;	517	warn $@ if $@;
426	undef $busy;	518	undef $busy;
427	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
428		520
429	while ($busy) {	521	while ($busy) {
430	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
431	}	526	}
		527	}
432		528
433	$time = Event::time - $time;	529	my $time = EV::time - $time;
434		530
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
439		532
440	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
441	} else {	534	} else {
442	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
443		536
…		…
468	=item fork_call { }, $args	561	=item fork_call { }, $args
469		562
470	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
474		567
475	=cut	568	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		569
486	sub fork_call(&@) {	570	sub fork_call(&@) {
487	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
488		572
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	573	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	574	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	575	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		576
494	if (my $pid = fork) {	577	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	578	reset_signals;
508	local $SIG{__WARN__};	579	&$cb
509	local $SIG{__DIE__};	580	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		581
516	eval {	582	wantarray ? @res : $res[-1]
517	close $fh1;	583	}
518		584
519	my @res = eval { $cb->(@args) };	585	=item $coin = coin_from_name $name
520		586
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	587	=cut
522	close $fh2;
523	};
524		588
525	warn $@ if $@;	589	our %coin_alias = (
526	_exit 0;	590	"silver" => "silvercoin",
527	}	591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
528	}	610	}
529		611
530	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
531		613
532	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
535		617
536	Stores the given C<$value> in the family. It can currently store binary	618	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
539	=cut	626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
540		644
541	our $DB;	645	our $DB;
542		646
543	sub db_init {	647	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	648	cf::sync_job {
548	eval {	649	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	650	};
558	}	651	}
559		652
560	sub db_get($$) {	653	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
562		655
…		…
612	if (1) {	705	if (1) {
613	$md5 =	706	$md5 =
614	join "\x00",	707	join "\x00",
615	$processversion,	708	$processversion,
616	map {	709	map {
617	Coro::cede;	710	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	712	} 0.. $#$src;
620		713
621		714
622	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		753
661	#############################################################################	754	#############################################################################
662		755
663	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
664		757
665	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
668		761
669	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	764	Deliantra).
672		765
673	=over 4	766	=over 4
674		767
675	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
676		769
…		…
720	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
721		814
722	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
724		817
725	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
727		820
728	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
729		822
730	=over 4	823	=over 4
…		…
958	}	1051	}
959		1052
960	0	1053	0
961	}	1054	}
962		1055
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1057
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1059
967	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
968		1061
…		…
974		1067
975	=cut	1068	=cut
976		1069
977	#############################################################################	1070	#############################################################################
978	# object support	1071	# object support
979	#
980		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
981	sub _can_merge {	1106	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1107	my ($ob1, $ob2) = @_;
983		1108
984	local $Storable::canonical = 1;	1109	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1110
988	$fob1 eq $fob2	1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
989	}	1113	}
990		1114
991	sub reattach {	1115	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1117	my ($obj) = @_;
994		1118
		1119	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1121
997	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
998		1123
999	@$registry = ();	1124	@$registry = ();
1000		1125
…		…
1015	cf::attachable->attach (	1140	cf::attachable->attach (
1016	prio => -1000000,	1141	prio => -1000000,
1017	on_instantiate => sub {	1142	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
1019		1144
1020	$data = from_json $data;	1145	$data = decode_json $data;
1021		1146
1022	for (@$data) {	1147	for (@$data) {
1023	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
1024		1149
1025	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1166	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
1043		1168
1044	sync_job {	1169	sync_job {
1045	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1048		1174
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1179	aio_close $fh;
1054		1180
1055	if (@$objs) {	1181	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1187	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1189	}
1064	} else {	1190	} else {
1065	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1066	}	1192	}
1067		1193
1068	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1198	} else {
1070	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1071	}	1200	}
1072	} else {	1201	} else {
1073	aio_unlink $filename;	1202	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1075	}	1204	}
1076	}	1205	};
1077	}	1206	}
1078		1207
1079	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
1081		1210
…		…
1093	or return;	1222	or return;
1094		1223
1095	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1226	or return;
		1227
1098	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
1099	}	1230	}
1100		1231
		1232	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
1103	return ($data, $av);	1236	($data, $av)
1104	}	1237	}
1105		1238
1106	=head2 COMMAND CALLBACKS	1239	=head2 COMMAND CALLBACKS
1107		1240
1108	=over 4	1241	=over 4
…		…
1162	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1163		1296
1164	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1165	}	1298	}
1166		1299
		1300	use File::Glob ();
		1301
1167	cf::player->attach (	1302	cf::player->attach (
1168	on_command => sub {	1303	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1170		1305
1171	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1181	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
1182		1317
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1319
1185	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
1191	} else {	1335	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1337	}
1194		1338
1195	cf::override;	1339	cf::override;
1196	},	1340	},
1197	);	1341	);
		1342
		1343	# "readahead" all extensions
		1344	sub cache_extensions {
		1345	my $grp = IO::AIO::aio_group;
		1346
		1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1348	for (grep /\.ext$/, @{$_[0]}) {
		1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1350	}
		1351	};
		1352
		1353	$grp
		1354	}
1198		1355
1199	sub load_extensions {	1356	sub load_extensions {
1200	cf::sync_job {	1357	cf::sync_job {
1201	my %todo;	1358	my %todo;
1202		1359
…		…
1222		1379
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1382
1226	$ext{source} =	1383	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1228	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1229	. $source	1386	. $source
1230	. "\n};\n1";	1387	. "\n};\n1";
1231		1388
1232	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1248	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1249	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1250		1407
1251	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1252	warn $msg;	1409	warn $msg;
1253	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1254	exit 1;
1255	}	1411	}
1256		1412
1257	warn $msg;	1413	warn $msg;
1258	}	1414	}
1259		1415
…		…
1273		1429
1274	=back	1430	=back
1275		1431
1276	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1277		1433
1278	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1279		1435
1280	=cut	1436	=cut
1281		1437
1282	package cf::player;	1438	package cf::player;
1283		1439
1284	use Coro::AIO;	1440	use Coro::AIO;
1285		1441
1286	=head3 cf::player	1442	=head3 cf::player
1287		1443
1288	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1289		1459
1290	=item cf::player::find $login	1460	=item cf::player::find $login
1291		1461
1292	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1293		1463
…		…
1312		1482
1313	sub exists($) {	1483	sub exists($) {
1314	my ($login) = @_;	1484	my ($login) = @_;
1315		1485
1316	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1318	}	1488	}
1319		1489
1320	sub find($) {	1490	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1492	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1503
1334	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1335	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1336	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1337	}	1513	}
1338	}	1514	}
1339	}	1515	}
1340		1516
…		…
1349	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1350		1526
1351	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1353		1529
		1530	cf::get_slot 0.01;
		1531
1354	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1355	Coro::cede;	1533	cf::cede_to_tick;
1356	}	1534	}
1357		1535
1358	sub new($) {	1536	sub new($) {
1359	my ($login) = @_;	1537	my ($login) = @_;
1360		1538
…		…
1366	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1367		1545
1368	$self	1546	$self
1369	}	1547	}
1370		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1371	=item $pl->quit_character	1559	=item $pl->quit_character
1372		1560
1373	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1375		1563
…		…
1379	my ($pl) = @_;	1567	my ($pl) = @_;
1380		1568
1381	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1382		1570
1383	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1573
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1390		1580
1391	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1428	or return [];	1618	or return [];
1429		1619
1430	my @logins;	1620	my @logins;
1431		1621
1432	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1436		1632
1437	utf8::decode $login;	1633	utf8::decode $login;
1438	push @logins, $login;	1634	push @logins, $login;
1439	}	1635	}
1440		1636
…		…
1467	}	1663	}
1468		1664
1469	\@paths	1665	\@paths
1470	}	1666	}
1471		1667
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1669
1474	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1475		1671
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1523		1673
1524	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1525		1675
1526	=cut	1676	=cut
1527		1677
1528	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1530		1680
1531	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1682	}
1534		1683
1535	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1536		1685
1537	Sends an ext event to the client.	1686	Sends an ext event to the client.
1538		1687
1539	=cut	1688	=cut
1540		1689
1541	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1543		1692
1544	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1545	}	1694	}
1546		1695
1547	=head3 cf::region	1696	=head3 cf::region
1548		1697
1549	=over 4	1698	=over 4
…		…
1593	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1595		1744
1596	sub generate_random_map {	1745	sub generate_random_map {
1597	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1598	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1751	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1724		1876
1725	# the temporary/swap location	1877	# the temporary/swap location
1726	sub save_path {	1878	sub save_path {
1727	my ($self) = @_;	1879	my ($self) = @_;
1728		1880
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1731	}	1883	}
1732		1884
1733	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1734	sub uniq_path {	1886	sub uniq_path {
1735	my ($self) = @_;	1887	my ($self) = @_;
1736		1888
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1739	}	1891	}
1740		1892
1741	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1742	# all maps in C++...	1894	# all maps in C++...
…		…
1765		1917
1766	sub load_header_from($) {	1918	sub load_header_from($) {
1767	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1768		1920
1769	utf8::encode $path;	1921	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1775		1930
1776	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1777		1932
1778	1	1933	1
1779	}	1934	}
…		…
1833	sub find {	1988	sub find {
1834	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1835		1990
1836	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1837		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1839		1995
1840	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1841	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1842	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1843	or return;	2001	or return;
1844		2002
1845	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1846		2004
…		…
1848	or return;	2006	or return;
1849		2007
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1853	$map->reset;	2013	$map->reset;
1854	undef $guard;
1855	return find $path;	2014	return find $path;
1856	}	2015	}
1857		2016
1858	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1859	}	2018	}
…		…
1868	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1869		2028
1870	my $path = $self->{path};	2029	my $path = $self->{path};
1871		2030
1872	{	2031	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1874		2033
		2034	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2036
1877	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1878		2038
1879	$self->alloc;	2039	$self->alloc;
1880		2040
1881	$self->pre_load;	2041	$self->pre_load;
1882	Coro::cede;	2042	cf::cede_to_tick;
1883		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1885	or return;	2047	or return;
1886		2048
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1888	if delete $self->{load_original};	2050	if delete $self->{load_original};
1889		2051
1890	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2053	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2056	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1895	}	2060	}
1896	}	2061	}
1897		2062
1898	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1899	# now do the right thing for maps	2066	# now do the right thing for maps
1900	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2069	unless $self->difficulty;
1903	Coro::cede;	2070	cf::cede_to_tick;
1904		2071
1905	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2073	$self->decay_objects;
1907	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1908	$self->update_buttons;	2075	$self->update_buttons;
1909	Coro::cede;	2076	cf::cede_to_tick;
1910	$self->set_darkness_map;	2077	$self->set_darkness_map;
1911	Coro::cede;	2078	cf::cede_to_tick;
1912	$self->activate;	2079	$self->activate;
1913	}	2080	}
1914		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2086	}
1917		2087
1918	$self->post_load;	2088	$self->post_load;
1919	}	2089	}
1920		2090
…		…
1929		2099
1930	$self	2100	$self
1931	}	2101	}
1932		2102
1933	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2104	sub load_neighbours {
1935	my ($map) = @_;	2105	my ($map) = @_;
1936		2106
1937	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1938		2108
1939	for (0 .. 3) {	2109	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1941	or next;	2111	or next;
1942	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1943	or next;	2113	or next;
1944	$neigh->load;	2114	$neigh->load;
1945		2115
		2116	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2119	}
1949		2120
1950	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1952	or next;	2124	or next;
1953	$neigh->load;	2125	$neigh->load;
1954	}	2126	}
1955	}	2127	}
1956		2128
…		…
1961	}	2133	}
1962		2134
1963	sub do_load_sync {	2135	sub do_load_sync {
1964	my ($map) = @_;	2136	my ($map) = @_;
1965		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1966	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1967	}	2142	}
1968		2143
1969	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1971		2146
1972	sub find_async {	2147	sub find_async {
1973	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1974		2149
1975	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1976		2151
1977	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2154	}
1980		2155
1981	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1982	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1983	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2163	if (my $map = find $k) {
1986	$map->load;	2164	$map->load if $v;
1987	}	2165	}
1988		2166
1989	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1990	}	2168	}
1991	}	2169	}
1992	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1993	};	2171	};
1994	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1997	}	2175	}
1998		2176
1999	sub save {	2177	sub save {
2000	my ($self) = @_;	2178	my ($self) = @_;
2001		2179
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2181
2004	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
2005		2183
2006	return unless $self->dirty;	2184	return unless $self->dirty;
2007		2185
…		…
2013	return if $self->{deny_save};	2191	return if $self->{deny_save};
2014		2192
2015	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
2016		2194
2017	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
2019	};	2198	};
		2199
		2200	cf::get_slot 0.02;
2020		2201
2021	if ($uniq) {	2202	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2205	} else {
…		…
2030	my ($self) = @_;	2211	my ($self) = @_;
2031		2212
2032	# save first because save cedes	2213	# save first because save cedes
2033	$self->save;	2214	$self->save;
2034		2215
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2217
2037	return if $self->players;	2218	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2220	return if $self->{deny_save};
2040		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2226	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2227	}
2044		2228
2045	sub reset_at {	2229	sub reset_at {
2046	my ($self) = @_;	2230	my ($self) = @_;
2047		2231
…		…
2079	if $uniq;	2263	if $uniq;
2080	}	2264	}
2081		2265
2082	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2083		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2270	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2271
2088	$self->unlink_save;	2272	$self->unlink_save;
2089	$self->destroy;	2273	$self->destroy;
2090	}	2274	}
2091		2275
2092	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
2093		2277
2094	sub nuke {	2278	sub nuke {
2095	my ($self) = @_;	2279	my ($self) = @_;
2096		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
2097	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
2098		2285
2099	$self->unlink_save;	2286	$self->unlink_save;
2100		2287
2101	bless $self, "cf::map";	2288	bless $self, "cf::map";
2102	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2293
2107	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
2108		2296
2109	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
2110	}	2298	}
2111		2299
2112	=item $maps = cf::map::tmp_maps	2300	=item $maps = cf::map::tmp_maps
…		…
2154		2342
2155	sub unique_maps() {	2343	sub unique_maps() {
2156	[	2344	[
2157	map {	2345	map {
2158	utf8::decode $_;	2346	utf8::decode $_;
2159	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2160	? normalise $_	2350	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2352	]
2164	}	2353	}
2165		2354
2166	package cf;
2167
2168	=back	2355	=back
2169		2356
2170	=head3 cf::object	2357	=head3 cf::object
2171		2358
2172	=cut	2359	=cut
…		…
2175		2362
2176	=over 4	2363	=over 4
2177		2364
2178	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2179		2366
2180	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
2181		2369
2182	=cut	2370	=cut
2183		2371
2184	sub inv_recursive_;	2372	sub inv_recursive_;
2185	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2188		2376
2189	sub inv_recursive {	2377	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2191	}	2379	}
2192		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
2193	package cf;	2409	package cf;
2194		2410
2195	=back	2411	=back
2196		2412
2197	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
2203	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
2205	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2206		2422
2207	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
2208		2438
2209	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2440	# with dialog boxes.
2211	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
2212	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
2219		2449
2220	} else {	2450	} else {
2221	my $pl = $self->contr;	2451	my $pl = $self->contr;
2222		2452
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2456
2232	} else {	2457	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2460	}
2236	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
2237	}	2472	}
2238		2473
2239	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
2240		2475
2241	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
2254		2489
2255	=item $player_object->enter_link	2490	=item $player_object->enter_link
2256		2491
2257	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
2258		2493
2259	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
2260	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
2261		2498
2262	Will never block.	2499	Will never block.
2263		2500
2264	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2265		2502
…		…
2320	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
2323		2560
2324	$map->load;	2561	$map->load;
2325	$map->load_diag;	2562	$map->load_neighbours;
2326		2563
2327	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2328	$self->activate_recursive;	2566	$self->activate_recursive;
2329		2567
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2332	}	2570	}
…		…
2337	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2338	that has to return the map if sucecssful, and then unfreezes the player on	2576	that has to return the map if sucecssful, and then unfreezes the player on
2339	the new (success) or old (failed) map position. In either case, $done will	2577	the new (success) or old (failed) map position. In either case, $done will
2340	be called at the end of this process.	2578	be called at the end of this process.
2341		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
		2582
2342	=cut	2583	=cut
2343		2584
2344	our $GOTOGEN;	2585	our $GOTOGEN;
2345		2586
2346	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
…		…
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2592
2352	$self->enter_link;	2593	$self->enter_link;
2353		2594
2354	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
2355	my $map = eval {	2617	my $map = eval {
2356	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
2357		2619
2358	if ($map) {	2620	if ($map) {
2359	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
2361	} else {	2623	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2625	}
2364		2626
2365	$map	2627	$map
2366	};	2628	};
2367		2629
…		…
2403	}	2665	}
2404		2666
2405	sub prepare_random_map {	2667	sub prepare_random_map {
2406	my ($exit) = @_;	2668	my ($exit) = @_;
2407		2669
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2672	# that depends on the exit object
2413		2673
2414	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2676	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2421	}	2683	}
2422		2684
2423	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2424		2686
2425	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2428		2690
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2693	undef $fh;
2432	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2433		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2436	}	2702	}
2437	}	2703	}
2438		2704
2439	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2441		2707
2442	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2443		2709
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2710	$self->enter_link;
2456		2711
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2712	(async {
2462	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2463	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2464	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2465		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2466	1;	2736	1
2467	}) {	2737	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2470	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2742
2473	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2503		2773
2504	=cut	2774	=cut
2505		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		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	);
		2839
2506	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2508		2842
2509	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
2510		2845
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
2513	if (ref $channel) {	2857	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	2858	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	2859	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	2860	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
2518	}	2863	}
2519		2864
2520	$channel = $channel->{id};	2865	$channel = $channel->{id};
2521	}	2866	}
2522		2867
2523	return unless @extra || length $msg;	2868	return unless @extra || length $msg;
2524		2869
2525	if ($self->can_msg) {	2870	if ($self->can_msg) {
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
2527	} else {	2891	} else {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537
2538	if ($color >= 0) {	2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
2539	if (0 && $msg =~ /\[/) {	2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
2541	} else {	2910	} else {
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")	2912	$self->send_packet ("drawinfo $color $msg")
2544	}	2913	}
2545	}	2914	}
2546	}	2915	}
2547	}	2916	}
2548		2917
2549	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2550		2919
2551	Sends an ext event to the client.	2920	Sends an ext event to the client.
2552		2921
2553	=cut	2922	=cut
2554		2923
2555	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2557		2926
2558	return unless $self->extcmd;	2927	if ($self->extcmd == 2) {
2559		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2562	}	2951	}
2563		2952
2564	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2565		2954
2566	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	3010	my ($ns, $buf) = @_;
2622		3011
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		3013
2625	if (ref $msg) {	3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3022	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3023	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
2632	} else {	3029	} else {
2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634	}	3031	}
2635		3032
2636	cf::override;	3033	cf::override;
…		…
2683	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2685		3082
2686	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2687		3084
2688	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2689		3090
2690	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2691		3092
2692	=pod	3093	=pod
2693		3094
2694	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2695		3096
2696	cf::object	3097	cf::object
2697	contr pay_amount pay_player map x y force_find force_add	3098	contr pay_amount pay_player map x y force_find force_add destroy
2698	insert remove	3099	insert remove name archname title slaying race decrease split
2699		3100
2700	cf::object::player	3101	cf::object::player
2701	player	3102	player
2702		3103
2703	cf::player	3104	cf::player
…		…
2708		3109
2709	=cut	3110	=cut
2710		3111
2711	for (	3112	for (
2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713	insert remove)],	3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2714	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2716	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2717	) {	3119	) {
2718	no strict 'refs';	3120	no strict 'refs';
…		…
2794	# the server's init and main functions	3196	# the server's init and main functions
2795		3197
2796	sub load_facedata($) {	3198	sub load_facedata($) {
2797	my ($path) = @_;	3199	my ($path) = @_;
2798		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3206
2799	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2800		3208
2801	my $facedata;	3209	my $facedata;
2802	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
2803	or die "$path: $!";	3211	or die "$path: $!";
…		…
2805	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2806		3214
2807	$facedata->{version} == 2	3215	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2810	{	3225	{
2811	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2812		3227
2813	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2815	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2819		3235
2820	cf::cede_to_tick;	3236	cf::cede_to_tick;
2821	}	3237	}
2822		3238
2823	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2825	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2826	or next;	3243	or next;
		3244
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3248	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2848		3266
2849	{	3267	{
2850	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3271
2855	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3273	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
2863		3276
2864	if ($name =~ /\.jpg$/) {	3277	if ($info->{type} & 1) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3278	# prepend meta info
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
2867	} else {	3292	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3293	$RESOURCE{$name} = $info;
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3294	}
2874		3295
2875	cf::cede_to_tick;	3296	cf::cede_to_tick;
2876	}	3297	}
2877	}	3298	}
2878		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2879	1	3302	1
2880	}	3303	}
2881		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2882	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2883	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
2885		3350
2886	for (cf::region::list) {	3351	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3352	$_->{match} = qr/$_->{match}/
…		…
2895	}	3360	}
2896		3361
2897	sub reload_archetypes {	3362	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3365	}
2906		3366
2907	sub reload_treasures {	3367	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
2910	}	3370	}
2911		3371
2912	sub reload_resources {	3372	sub reload_resources {
2913	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2914		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2915	reload_regions;	3377	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3378	reload_treasures;
2920		3379
2921	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2922	}	3381	}
2923		3382
2924	sub init {	3383	sub reload_config {
2925	reload_resources;
2926	}
2927
2928	sub cfg_load {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3385	or return;
2931		3386
2932	local $/;	3387	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2934		3389
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2936		3391
2937	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2944	};	3399	};
2945	warn $@ if $@;	3400	warn $@ if $@;
2946	}	3401	}
2947	}	3402	}
2948		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2949	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2950	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953	(async {	3442	(async {
2954	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2956	};	3446	};
2957		3447
2958	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2959	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2960	load_extensions;	3466	load_extensions;
2961		3467
2962	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2963	Event::loop;	3476	EV::loop;
2964	}	3477	}
2965		3478
2966	#############################################################################	3479	#############################################################################
2967	# initialisation and cleanup	3480	# initialisation and cleanup
2968		3481
2969	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2970	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2979	},
2980	);	3488	};
2981	}	3489	}
2982	}	3490	}
2983		3491
2984	sub write_runtime {	3492	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";
2986
2987	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
2989		3495
2990	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3497
2992	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
2993		3499
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2995	or return;	3501	or return;
2996		3502
2997	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
3010		3516
3011	close $fh	3517	close $fh
3012	or return;	3518	or return;
3013		3519
3014	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3521	and return;
3016		3522
3017	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
3018		3524
3019	1	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
3020	}	3576	}
3021		3577
3022	sub emergency_save() {	3578	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
3024		3580
3025	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
3026		3582
3027	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
3028	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3597	$pl->save;
3036	}	3598	}
3037	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
3038		3600
3039	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3604	$map->valid or next;
3043	$map->save;	3605	$map->save;
3044	}	3606	}
3045	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
3046		3608
3047	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3049	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
3050	};	3616	};
3051		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
3052	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
3053	}	3624	}
3054		3625
3055	sub post_cleanup {	3626	sub post_cleanup {
3056	my ($make_core) = @_;	3627	my ($make_core) = @_;
3057		3628
3058	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
3059	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
3060	}	3660	}
3061		3661
3062	sub do_reload_perl() {	3662	sub do_reload_perl() {
3063	# can/must only be called in main	3663	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
3065	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
3066	return;	3666	return;
3067	}	3667	}
3068		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
3069	warn "reloading...";	3674	warn "reloading...";
3070		3675
3071	warn "entering sync_job";	3676	warn "entering sync_job";
3072		3677
3073	cf::sync_job {	3678	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3680	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
3077		3682
3078	warn "syncing database to disk";	3683	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3685
3081	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
3082		3687
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3094	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();
3102
3103	warn "removing commands";
3104	%COMMAND = ();
3105
3106	warn "removing ext/exti commands";
3107	%EXTCMD = ();
3108	%EXTICMD = ();
3109
3110	warn "unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";
3113
3114	if (my $cb = $pkg->can ("unload")) {
3115	eval {
3116	$cb->($pkg);
3117	1
3118	} or warn "$pkg unloaded, but with errors: $@";
3119	}	3691	}
3120		3692
3121	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3122	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3123	}	3695	%EXT_CORO = ();
3124		3696
3125	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3126	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3129	warn "... unloading $k";	3706	warn "... unloading $pkg";
3130	delete $INC{$k};
3131		3707
3132	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;
3134
3135	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3136	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3137	}	3717	}
3138		3718
3139	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
3140	}	3734	}
3141		3735
3142	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145		3739
3146	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3149		3743
3150	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3745	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3153		3747
3154	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3155		3749
3156	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3157	require cf;	3751	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3159		3753
3160	warn "loading config and database again";	3754	warn "loading config and database again";
3161	cf::cfg_load;	3755	cf::reload_config;
3162		3756
3163	warn "loading extensions";	3757	warn "loading extensions";
3164	cf::load_extensions;	3758	cf::load_extensions;
3165		3759
		3760	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3172		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3173	warn "leaving sync_job";	3772	warn "leaving sync_job";
3174		3773
3175	1	3774	1
3176	} or do {	3775	} or do {
3177	warn $@;	3776	warn $@;
3178	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3179	exit 1;
3180	};	3778	};
3181		3779
3182	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3183	};	3786	};
3184		3787
3185	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3186		3789
3187	sub reload_perl() {	3790	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3190		3793
3191	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	3796
3194	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	3798	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3198	},	3800	};
3199	);	3801	};
3200	}	3802	}
3201		3803
3202	register_command "reload" => sub {	3804	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3204		3806
3205	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3811	reload_perl;
		3812	};
3208	}	3813	}
3209	};	3814	};
3210		3815
3211	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
3212		3817
…		…
3214		3819
3215	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3217		3822
3218	sub wait_for_tick {	3823	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3221		3825
3222	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3828	$signal->wait;
3225	}	3829	}
3226		3830
3227	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3230		3833
3231	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	3836	$signal->wait;
3234	}	3837	}
3235		3838
3236	my $min = 1e6;#d#	3839	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3248	return;	3843	return;
3249	}	3844	}
3250		3845
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3254		3847
3255	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	my $t = Event::time;	3850	Coro::async_pool {
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
3259	or die;	3852	write_runtime_sync
3260		3853	or warn "ERROR: unable to write runtime file: $!";
3261	$map->width (50);
3262	$map->height (50);
3263	$map->alloc;
3264	$map->_load_objects ("/tmp/x.map", 1);
3265	my $t = Event::time - $t;
3266
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	3854	};
		3855	}
3277		3856
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	3858	$sig->send;
3294	}	3859	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	3861	$sig->send;
3297	}	3862	}
3298		3863
3299	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		3866
3310	_post_tick;	3867	if (0) {
3311		3868	if ($NEXT_TICK) {
3312		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3313	},	3873	}
3314	);	3874	}
3315		3875
3316	{	3876	{
3317	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	3878
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3327		3880	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		3882
3343	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3344	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345		3890
3346	cf::sync_job {	3891	cf::sync_job {
3347	eval {	3892	eval {
3348	BDB::db_env_open	3893	BDB::db_env_open
3349	$DB_ENV,	3894	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	3898	0666;
3354		3899
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	3901	};
3360		3902
3361	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	3904	};
3363	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
3364	}	3916	}
3365		3917
3366	{	3918	{
		3919	# configure IO::AIO
		3920
3367	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	3924	}
3380		3925
3381	my $_log_backtrace;	3926	my $_log_backtrace;
3382		3927
3383	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3386	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3387		3932
3388	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3391	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3392	my @bt = fork_call {	3940	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3404	}	3952	}
3405		3953
3406	@funcs	3954	@funcs
3407	};	3955	};
3408		3956
3409	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	3960	--$_log_backtrace;
3412	};	3961	};
3413	} else {	3962	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines